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Kamis, 30 April 2009
Jumat, 06 Juni 2008
The Responsibilities That Come Along With Owning Home Security Camera
This world is no longer the safe and comforting place that we used to know and you as person in the world should know that. Remember those days when neighbors and friends would look out for your best interest, your best property, etc. Well that time is done and gone; most homeowners nowadays have switched to a more responsible and dependable system of installing home security cameras in order to protect their family and their assets and to ward the dangers of the outside world. Also with the fact that home security cameras prices are continually on the decline it is become more and more affordable for the commonplace family to own for themselves. Most cameras however come in black and white, though there are color cameras but slightly more expensive, the images produced are readily recognizable and accepted in court.
Increasing so homeowners are constantly increasing home security cameras in their home as a preemptive strike against delinquent activities especially if their residence in a crime ridden neighborhood. Cameras are also majority used in business and industry as a way to keep track of the daily ongoing events in their businesses, private residences are however becoming the prime targets of companies that sell and market home security cameras for personal use as they would to take advantage of the lack of knowledge and ignorance of most individuals to the security product industry. That is why it is so important to do research first and purchase the proper that suits you as is the lenses for the cameras.
The problem and most unfortunate thing is that quite a few individuals nowadays use cameras for their personal and illicit activities such as leering in on neighbors or even worst at their family members. While the increase in availability is good thing, there is also an increase the lack of the sense of responsibility when comes to owning a camera. Way to often people end of committing crimes, quite often so carelessly, in the process of protecting their family.
Being careful in reference to Privacy Laws
Frequently nowadays there are too many cases of homeowners installing security cameras in their premises without looking into or inspecting the total scope or region of sight of a camera. One good example is someone keeping records of their boundary lines could quite accidentally so,take images of the neighbors' private property. This in itself is a violation of privacy and gives off a rather negative foresight of what a home security camera really represents and its uses not forgetting giving privacy advocates something to scream about.
Another case to think about is inside of your own home, yes inside of your house. Imagine you are in the bathroom or in your bedroom changing, bathing, etc and all that time somebody is looking at you through a camera. Even in some states, in order to record in common areas in the house, if a person is visiting the have to be forewarned that they are being recorded. The use of home security camera in a household environment has to be use sparingly and with a sense of privacy in mind because while some boundaries might clear like the bedroom and bathroom others are a thin line between being the family protector and being a plain old stalker.
Outside presents even more a challenge in that as stated before while recording your own property you could end up with images of the neighbor's property. What is worst is images are captured of activities inside of the neighbor's house? And this can be heavily charged for invading the neighbors' privacy.
In conclusion while the use of home security cameras may have changed the world for better, giving a person a tighter grip over the security of their family and assets, if used irresponsibly could mean some serious jail time and/or fines.
Increasing so homeowners are constantly increasing home security cameras in their home as a preemptive strike against delinquent activities especially if their residence in a crime ridden neighborhood. Cameras are also majority used in business and industry as a way to keep track of the daily ongoing events in their businesses, private residences are however becoming the prime targets of companies that sell and market home security cameras for personal use as they would to take advantage of the lack of knowledge and ignorance of most individuals to the security product industry. That is why it is so important to do research first and purchase the proper that suits you as is the lenses for the cameras.
The problem and most unfortunate thing is that quite a few individuals nowadays use cameras for their personal and illicit activities such as leering in on neighbors or even worst at their family members. While the increase in availability is good thing, there is also an increase the lack of the sense of responsibility when comes to owning a camera. Way to often people end of committing crimes, quite often so carelessly, in the process of protecting their family.
Being careful in reference to Privacy Laws
Frequently nowadays there are too many cases of homeowners installing security cameras in their premises without looking into or inspecting the total scope or region of sight of a camera. One good example is someone keeping records of their boundary lines could quite accidentally so,take images of the neighbors' private property. This in itself is a violation of privacy and gives off a rather negative foresight of what a home security camera really represents and its uses not forgetting giving privacy advocates something to scream about.
Another case to think about is inside of your own home, yes inside of your house. Imagine you are in the bathroom or in your bedroom changing, bathing, etc and all that time somebody is looking at you through a camera. Even in some states, in order to record in common areas in the house, if a person is visiting the have to be forewarned that they are being recorded. The use of home security camera in a household environment has to be use sparingly and with a sense of privacy in mind because while some boundaries might clear like the bedroom and bathroom others are a thin line between being the family protector and being a plain old stalker.
Outside presents even more a challenge in that as stated before while recording your own property you could end up with images of the neighbor's property. What is worst is images are captured of activities inside of the neighbor's house? And this can be heavily charged for invading the neighbors' privacy.
In conclusion while the use of home security cameras may have changed the world for better, giving a person a tighter grip over the security of their family and assets, if used irresponsibly could mean some serious jail time and/or fines.
What Is Wireless Internet And How Can I Get It?
Wireless Internet has truly changed the way the world goes online. Because of this transformative technology, you can go online and enjoy high-speed Internet access without being tied down to your home. In fact, wireless Internet is so wonderful because of the freedom it gives the individual to surf online away from the desktop, on your laptop or other portable device.
Also referred to as "wifi," wireless Internet is usually accessed on a laptop, cell phone, and other mobile computing device. You can also set up a wireless network between the computers in your house using a special router. People use wifi at home as a way to wirelessly access the Internet from any room in the house. It really is the most convenient way to go online in the modern world.
Wireless Internet providers offer a wide range of services to customers with speeds that compete well with DSL and cable. In the past, before the introduction of wireless Internet and routers, the only way you could connect to the Internet on your laptop was through a very slow, dial-up connection. Luckily, wireless Internet now allows you to go online without having to plug into a phone line.
Connection speeds for wireless broadband vary between 384 Kbps and 2.0 Mbps, which is a whopping 35 times faster than your average dial-up speed. This allows users of mobile devices to carry out online tasks on the go - and you can do more than just email and text message. Plus, it allows you to wirelessly set up a network at home with the use of a router.
Wifi and wireless routers make it possible to download streaming media and large files no matter where you happen to be - this is a convenient option for media junkies who just can't get enough of online media, such as videos. This type of router in particular lets you share files between several computers at home. In the past, you had to create a wired network for this to work - now routers make it possible to network more than one home computer more easily. Wireless routers let you bridge several computers together, even in different rooms.
How it works is that you purchase a wireless Internet connection, and then set up a router to transfer the signal elsewhere, and share the Internet connection.
With a laptop and router it's easy to get connected to a wifi signal and take advantage of wireless broadband - almost every laptop sold now comes with a wireless modem already installed. The same goes for portable handheld devices, which have wifi capabilities built right in. The number of wifi hotspots is also increasing, so you can almost always find access to a broadband connection when you need it.
So where do you find a wifi provider? If you want to find a broadband connection in your local area, that isn't in your home or office, all you have to do is search online for hotspots that provide wireless Internet service. There are various websites that help you locate broadband connections in certain areas, especially as wireless Internet access grows in demand.
A wifi connection doesn't have many requirements. Although different from other connections, providers do provide many of the same features provided by other services. A wireless Internet service usually requires a laptop computer or a computer that is connected to wireless routers. A regular computer may need a Wi-Fi card for the service to work properly.
For wireless Internet access you may also need sniffer software that allows you to search out hotspots around your town.
Also referred to as "wifi," wireless Internet is usually accessed on a laptop, cell phone, and other mobile computing device. You can also set up a wireless network between the computers in your house using a special router. People use wifi at home as a way to wirelessly access the Internet from any room in the house. It really is the most convenient way to go online in the modern world.
Wireless Internet providers offer a wide range of services to customers with speeds that compete well with DSL and cable. In the past, before the introduction of wireless Internet and routers, the only way you could connect to the Internet on your laptop was through a very slow, dial-up connection. Luckily, wireless Internet now allows you to go online without having to plug into a phone line.
Connection speeds for wireless broadband vary between 384 Kbps and 2.0 Mbps, which is a whopping 35 times faster than your average dial-up speed. This allows users of mobile devices to carry out online tasks on the go - and you can do more than just email and text message. Plus, it allows you to wirelessly set up a network at home with the use of a router.
Wifi and wireless routers make it possible to download streaming media and large files no matter where you happen to be - this is a convenient option for media junkies who just can't get enough of online media, such as videos. This type of router in particular lets you share files between several computers at home. In the past, you had to create a wired network for this to work - now routers make it possible to network more than one home computer more easily. Wireless routers let you bridge several computers together, even in different rooms.
How it works is that you purchase a wireless Internet connection, and then set up a router to transfer the signal elsewhere, and share the Internet connection.
With a laptop and router it's easy to get connected to a wifi signal and take advantage of wireless broadband - almost every laptop sold now comes with a wireless modem already installed. The same goes for portable handheld devices, which have wifi capabilities built right in. The number of wifi hotspots is also increasing, so you can almost always find access to a broadband connection when you need it.
So where do you find a wifi provider? If you want to find a broadband connection in your local area, that isn't in your home or office, all you have to do is search online for hotspots that provide wireless Internet service. There are various websites that help you locate broadband connections in certain areas, especially as wireless Internet access grows in demand.
A wifi connection doesn't have many requirements. Although different from other connections, providers do provide many of the same features provided by other services. A wireless Internet service usually requires a laptop computer or a computer that is connected to wireless routers. A regular computer may need a Wi-Fi card for the service to work properly.
For wireless Internet access you may also need sniffer software that allows you to search out hotspots around your town.
3G Cell Phones Explained
Many of the new phones being offered by the big carriers are being advertised as being "3G" ready. The average mobile phone consumer often will not know what 3G is or why it's important to them. To be a better informed consumer lets investigate exactly what 3G is.
What Is It?
3G stands for Third Generation and refers to the third generation of technology in the mobile industry. 3G follows 1G and 2G technology.
1G
The first real cell phones are considered to be 1G (First Generation). The networks for these early cell phones used analog signals. The phones used on the networks were big and clunky, with no abilities aside from voice.
2G
The technology categorized as 1G was in place up until the early 1990's, when it was then replaced by the 2G technology features. With 2G came a break away from the analog signals and a move towards the digital spectrum. 2G brought with it the introduction to providing multimedia content and increased bandwidth. A lot of the technologies classified as 2G are still being used in cell phones today.
2.5G
Before the complete rollout of 3G technologies, 2.5G was introduced. Primarily used as a marketing term, 2.5G is not an officially recognized technology; but it can be used to refer to the "in between" stage of moving away from 2G and moving completely into the 3G realm. 2.5G uses the existing 2G infrastructure while enabling some of the benefits of the 3G technologies, including increased multimedia abilities and improved data transfer speeds.
3G
The technologies that now qualify as 3G include increased functionality of mobile phones; with increased speeds and bandwidth being the biggest appealing factors. Multimedia functionality on the networks also improves, by leaps and bounds, with the move to 3G technologies.
While 3G capable phones are incredibly appealing to cell phone buyers they may find that not all of the functionality their phones are capable of available to them. Carriers in the US have yet to fully roll out their 3G networks in all markets. AT&T is leading the market right now, with their 3G networks being available in most major metropolitan markets; however the biggest AT&T seller, the iPhone, is not 3G capable. Apple has stated that a 3G version might be possible in the future when 3G is more widely available in the US.
T-Mobile is trailing behind AT&T when it comes to their 3G network. Until recently, none of the 3G capable phones T-Mobile sold could have their full functionality used; simply because the 3G infrastructure is not yet fully in place across the T-Mobile markets. T-Mobile has recently launched their 3G network in New York, allowing New York customers the ability to take advantage of the full functionality of their 3G capable phones.
3G will, soon, become the standard technology in the mobile industry; it is just up to the wireless carriers to ensure that they quickly meet the demands of their users who want to take advantage of the 3G technologies as soon as possible.
What Is It?
3G stands for Third Generation and refers to the third generation of technology in the mobile industry. 3G follows 1G and 2G technology.
1G
The first real cell phones are considered to be 1G (First Generation). The networks for these early cell phones used analog signals. The phones used on the networks were big and clunky, with no abilities aside from voice.
2G
The technology categorized as 1G was in place up until the early 1990's, when it was then replaced by the 2G technology features. With 2G came a break away from the analog signals and a move towards the digital spectrum. 2G brought with it the introduction to providing multimedia content and increased bandwidth. A lot of the technologies classified as 2G are still being used in cell phones today.
2.5G
Before the complete rollout of 3G technologies, 2.5G was introduced. Primarily used as a marketing term, 2.5G is not an officially recognized technology; but it can be used to refer to the "in between" stage of moving away from 2G and moving completely into the 3G realm. 2.5G uses the existing 2G infrastructure while enabling some of the benefits of the 3G technologies, including increased multimedia abilities and improved data transfer speeds.
3G
The technologies that now qualify as 3G include increased functionality of mobile phones; with increased speeds and bandwidth being the biggest appealing factors. Multimedia functionality on the networks also improves, by leaps and bounds, with the move to 3G technologies.
While 3G capable phones are incredibly appealing to cell phone buyers they may find that not all of the functionality their phones are capable of available to them. Carriers in the US have yet to fully roll out their 3G networks in all markets. AT&T is leading the market right now, with their 3G networks being available in most major metropolitan markets; however the biggest AT&T seller, the iPhone, is not 3G capable. Apple has stated that a 3G version might be possible in the future when 3G is more widely available in the US.
T-Mobile is trailing behind AT&T when it comes to their 3G network. Until recently, none of the 3G capable phones T-Mobile sold could have their full functionality used; simply because the 3G infrastructure is not yet fully in place across the T-Mobile markets. T-Mobile has recently launched their 3G network in New York, allowing New York customers the ability to take advantage of the full functionality of their 3G capable phones.
3G will, soon, become the standard technology in the mobile industry; it is just up to the wireless carriers to ensure that they quickly meet the demands of their users who want to take advantage of the 3G technologies as soon as possible.
The Tremendous Applications of Fiber Optics
The use of fiber optic systems is expanding at a amazing rate. Only in the past 10 years, fiber optic communications systems have replaced almost all coaxial and twisted pair cables especially in network backbones. This is especially true in any long distance communication links.
Why? This can be explained simply. Fiber optic cables are easier to install, are lighter than traditional copper cables, are much smaller than their electronic counterparts, and most importantly, they have much more bandwidth!
Because fiber optic cables are lighter, they are easier to pull through existing ducts and cable raceways. Other big advantages of fiber cables including their immunity to electromagnetic interference, longer repeater distances, lower power requirements, and higher flexibility.
All the above pros make fiber optic cables very attractive and most important of all, very cost effective.
The unstoppable trend for fiber optic applications are the move from the long haul (long distance) to our desk, our house, and our office. The terms include FTTC ( fiber to the curb), FTTD (fiber to the desk), FTTH (fiber to the home) and FTTB( fiber to the building).
Fiber optic cables enable our dream of integrating all our phone, Internet and TV services. Fiber's wide bandwidth makes this possible. It provides more than enough capacity to meet all our voice, data and video requirements.
The transformation from copper to fiber is greatly accelerated by the invention of optical fiber amplifiers. Optical fiber amplifiers enable optical signal transmission over very long distances without the expensive process of conversion to electronic signals, electronic amplification and the conversion back to optical signal again as in traditional regenerators.
Today most of the network traffic switching are still performed by electronic switches such as those from Cisco. But tremendous interest and effort of using all-optical devices for all network switching are accumulating in the industry. The most important characteristic of all-optical switching lies in its almost unlimited transmission capacity.
However, it is still in the prototype stage for controlling light with light, so optical switch circuits are still controlled by electronic circuits at this moment. The switching matrix may be optical circuits but the control are still done by electronic circuits.
Optical fiber is almost the ideal medium for signal transmission available today and in the foreseeable future. The excellent characteristic of optical fiber is its immunity to electromagnetic interference. Optical circuits can be crossed in a common space without cross interference among them.
But there are problems which are impeding the speed of all-optical system development. The most obvious and basic reason is the compatibility requirements with legacy fiber optic systems.
Another big advantage of optical fiber lies in the ability to multiplex its capacity via WDM (wavelength division multiplexer). WDM modulates each of several data streams into a different part of the light spectrum. WDM is the optical equivalent of FDM (frequency division multiplexer). The use of WDM can increase the capacity of a single channel fiber optic communication system by hundreds of times.
In additional to communication systems, fiber optic technologies are also widely used in medicine, illumination, sensing, endoscopy, industry control and more.
Why? This can be explained simply. Fiber optic cables are easier to install, are lighter than traditional copper cables, are much smaller than their electronic counterparts, and most importantly, they have much more bandwidth!
Because fiber optic cables are lighter, they are easier to pull through existing ducts and cable raceways. Other big advantages of fiber cables including their immunity to electromagnetic interference, longer repeater distances, lower power requirements, and higher flexibility.
All the above pros make fiber optic cables very attractive and most important of all, very cost effective.
The unstoppable trend for fiber optic applications are the move from the long haul (long distance) to our desk, our house, and our office. The terms include FTTC ( fiber to the curb), FTTD (fiber to the desk), FTTH (fiber to the home) and FTTB( fiber to the building).
Fiber optic cables enable our dream of integrating all our phone, Internet and TV services. Fiber's wide bandwidth makes this possible. It provides more than enough capacity to meet all our voice, data and video requirements.
The transformation from copper to fiber is greatly accelerated by the invention of optical fiber amplifiers. Optical fiber amplifiers enable optical signal transmission over very long distances without the expensive process of conversion to electronic signals, electronic amplification and the conversion back to optical signal again as in traditional regenerators.
Today most of the network traffic switching are still performed by electronic switches such as those from Cisco. But tremendous interest and effort of using all-optical devices for all network switching are accumulating in the industry. The most important characteristic of all-optical switching lies in its almost unlimited transmission capacity.
However, it is still in the prototype stage for controlling light with light, so optical switch circuits are still controlled by electronic circuits at this moment. The switching matrix may be optical circuits but the control are still done by electronic circuits.
Optical fiber is almost the ideal medium for signal transmission available today and in the foreseeable future. The excellent characteristic of optical fiber is its immunity to electromagnetic interference. Optical circuits can be crossed in a common space without cross interference among them.
But there are problems which are impeding the speed of all-optical system development. The most obvious and basic reason is the compatibility requirements with legacy fiber optic systems.
Another big advantage of optical fiber lies in the ability to multiplex its capacity via WDM (wavelength division multiplexer). WDM modulates each of several data streams into a different part of the light spectrum. WDM is the optical equivalent of FDM (frequency division multiplexer). The use of WDM can increase the capacity of a single channel fiber optic communication system by hundreds of times.
In additional to communication systems, fiber optic technologies are also widely used in medicine, illumination, sensing, endoscopy, industry control and more.
Everything You Need To Know About Aerial Fiber Optic Cable Installation
1. Dead end pole: Dead end pole is a utility pole on which self-supporting figure 8 aerial cable or a steel messenger is tensioned and terminated into a dead-end fixture.
2. Messenger span: Messenger span refers to the length of continuous steel messenger tensioned between two dead-end poles.
3. Intermediate poles: Intermediate poles are all the poles between two dead-end poles.
Planning
1. Careful planning and preparation are necessary before any aerial cable installations. During the cable route survey, representatives from all necessary parties including utilities, street depart, etc should be present. Before even detailed planning begins, approval should be get from all involved parties. Sufficient clearance for new cable along the right of way should be confirmed during the route survey.
2. Existing poles should be used whenever possible in order to save cost.
3. Where on a pole to place the aerial fiber optic cable? Fiber optic cables weigh less than equivalent copper cables and also sag less, so fiber optic cables should occupy the uppermost available communications space on a pole.
4. Sufficient clearances must be maintained between fiber optic cables and electrical power cables on joint-use poles. You need to refer to current National Electrical Safety Code for the proper clearances.
5. Existing dead-end pole must be evaluated to see whether they can withstand the stresses during aerial cable installation. You have to evaluate whether temporary guying is needed in order to relieve the temporary unbalanced loading during cable installation.
6. Splice locations. Splice locations are usually selected during the cable route survey. They are chosen to allow for the longest possible continuous cable spans and a minimum number of splices. They should be easily accessible to a splicing vehicle.
7. Aerial installation should never be done in wet conditions. And make sure all personnel are properly trained for pole line work.
8. Fiber optic cables (including all dielectric cables) should be properly grounded when installed in the vicinity of high-voltage power cables.
Installation:
Fiber optic cable aerial installation can be done in two ways
1. Lashing a fiber optic cable to a steel messenger
A steel messenger is first installed between the poles. Then a cable reel trailer and truck are used to pull the cable along the messenger. A cable guide and cable lasher are used to wrap around both the messenger and the fiber cable to secure the fiber cable to the messenger. Following the cable lasher is an aerial bucket truck which makes necessary adjustments.
At each pole, the fiber optic cable forms an expansion loop to allow for expansion of the messenger. The expansion loop's sizes have both a length and a depth, its length should be larger than twice its depth. The fiber cable should also maintain its minimum bending radius at all times.
2. Direct installation of self-supporting figure 8 aerial fiber optic cables
Self-supporting (Figure-8) optical fiber cables greatly simplifies the task of placing fiber optic cables onto a aerial plant. The self-supporting figure-8 cable incorporates both a steel messenger and the fiber cable into a single jacket of Figure-8 cross section.
The combination of strand and optical fiber into a single cable allows rapid one-step installation and results in a more durable aerial plant.
2. Messenger span: Messenger span refers to the length of continuous steel messenger tensioned between two dead-end poles.
3. Intermediate poles: Intermediate poles are all the poles between two dead-end poles.
Planning
1. Careful planning and preparation are necessary before any aerial cable installations. During the cable route survey, representatives from all necessary parties including utilities, street depart, etc should be present. Before even detailed planning begins, approval should be get from all involved parties. Sufficient clearance for new cable along the right of way should be confirmed during the route survey.
2. Existing poles should be used whenever possible in order to save cost.
3. Where on a pole to place the aerial fiber optic cable? Fiber optic cables weigh less than equivalent copper cables and also sag less, so fiber optic cables should occupy the uppermost available communications space on a pole.
4. Sufficient clearances must be maintained between fiber optic cables and electrical power cables on joint-use poles. You need to refer to current National Electrical Safety Code for the proper clearances.
5. Existing dead-end pole must be evaluated to see whether they can withstand the stresses during aerial cable installation. You have to evaluate whether temporary guying is needed in order to relieve the temporary unbalanced loading during cable installation.
6. Splice locations. Splice locations are usually selected during the cable route survey. They are chosen to allow for the longest possible continuous cable spans and a minimum number of splices. They should be easily accessible to a splicing vehicle.
7. Aerial installation should never be done in wet conditions. And make sure all personnel are properly trained for pole line work.
8. Fiber optic cables (including all dielectric cables) should be properly grounded when installed in the vicinity of high-voltage power cables.
Installation:
Fiber optic cable aerial installation can be done in two ways
1. Lashing a fiber optic cable to a steel messenger
A steel messenger is first installed between the poles. Then a cable reel trailer and truck are used to pull the cable along the messenger. A cable guide and cable lasher are used to wrap around both the messenger and the fiber cable to secure the fiber cable to the messenger. Following the cable lasher is an aerial bucket truck which makes necessary adjustments.
At each pole, the fiber optic cable forms an expansion loop to allow for expansion of the messenger. The expansion loop's sizes have both a length and a depth, its length should be larger than twice its depth. The fiber cable should also maintain its minimum bending radius at all times.
2. Direct installation of self-supporting figure 8 aerial fiber optic cables
Self-supporting (Figure-8) optical fiber cables greatly simplifies the task of placing fiber optic cables onto a aerial plant. The self-supporting figure-8 cable incorporates both a steel messenger and the fiber cable into a single jacket of Figure-8 cross section.
The combination of strand and optical fiber into a single cable allows rapid one-step installation and results in a more durable aerial plant.
Does Page Rank Matter?
Does page rank really matter or is SERP everything? Is PR only good for link selling? Is buying links right? Or is selling links wrong? Can I gain any advantage with PR against my competitor?Can PR actually help me with anything at all if I am not selling/buying links?
In many webmasters opinions it really depends on your own ethics and needs as well as your purpose for the site overall. Many webmasters don't buy or sell links, because according to them it is unnecessary. Some webmasters believe in their own capabilities to be linked to by others.
PR matters quite a lot, and here is why. When you search for the most competitive terms and only the ones with good PR turn up in SERP's first page. PR also matters when you want reputation as a site not only in SERP rankings, but with your visitors and fellow webmasters as well. PR matters in terms of trust as well, a visitor who has even the slightest idea of PR will know the difference between a site with PR and one without. Does it mean that a site without PR or one just starting up doesn't have that capability? It definitely has the capability. Every site starts from the pit, the very bottom where the PR is non existent. Building trust by writing and including "quality" content will help even if you do not have a PR. Imagine if your site had PR and quality content! Even if you don't rank well in the search engine, the people who visit your site will know its importance in terms of Google's opinion to it all, after all PR is Google's opinion of your site.
Some say, backlinks are everything, this is wrong. Backlinks are only part of the PR assessment. It is very possible to achieve as good a PR as a site with 50 backlinks or more just by making sure your backlinks are high in quality and diversity. Quality does not always equal quantity when it comes to PR.
Can PR affect SERP rankings? Yes, of course. For example, if you search for the term "computer" and check the PR of the sites of the first few listings, they will have good PR. If you look again you will see that some of the sites with higher PR will rank lower in the search engine. Why is this? PR is given to you after a certain period of time, search engine rankings are more dynamic and the "whole pie" of the the ranking is not entirely based on PR. Search engine ranking is based on number of links, people visiting and talking about the links, the diversity of the links, and the authority of the links as a whole. SERP positions can vary everyday, every hour but PR varies only after a certain period of time. Most webmasters agree that SERP is determined by much more complex things than PR, but PR is a big factor in its determination. The difference in terms of position is merely between a page, meaning, if the lower PR site is at number one then the higher PR site is there within the first page. In the long term without quality contents, that lower PR site will surely fall. The factor of time depends on the niche itself, some niches get new content every second and some every week, therefore the niche you are in really does matter.
Those who say PR is only good for link selling are not paying attention. There are enough non profit organizations, bloggers and personal sites out there which prove that wrong. Link buying/selling just for PR is just not good, on the other hand if you are buying/selling links to build traffic then that is a whole different issue.
PR is very useful for ranking well in the SERP, searching for the term of computer proves that. For example, Dell's PR is 8/10 and Apple's PR is 9/10. Why exactly is Dell is up there over Apple in the rankings? Here is why, it is a general fact that Dell is much more popular to people that Apple is, so Dell ranks better. The next question is why doesn't Google present Dell with Apple's PR or better? In terms of web (internet) development
Apple is much more relevant than Dell which puts it at PR 9. In the world's economy quality is not always first, sometimes we compromise quality if it is of a lesser price and easier to implement and that is the case with rankings. PR is the value and ranking is the popularity of a site as a whole. Blackhatters can manipulate the rankings big time but never for the long term! Google is supreme and at the end of the day Google's search engine is user friendly, not webmaster friendly and that is the way it should be. Google realizes that not everybody on the web is a webmaster, normal everyday people need to be able to find what they want, and that is the way we should want it.
In many webmasters opinions it really depends on your own ethics and needs as well as your purpose for the site overall. Many webmasters don't buy or sell links, because according to them it is unnecessary. Some webmasters believe in their own capabilities to be linked to by others.
PR matters quite a lot, and here is why. When you search for the most competitive terms and only the ones with good PR turn up in SERP's first page. PR also matters when you want reputation as a site not only in SERP rankings, but with your visitors and fellow webmasters as well. PR matters in terms of trust as well, a visitor who has even the slightest idea of PR will know the difference between a site with PR and one without. Does it mean that a site without PR or one just starting up doesn't have that capability? It definitely has the capability. Every site starts from the pit, the very bottom where the PR is non existent. Building trust by writing and including "quality" content will help even if you do not have a PR. Imagine if your site had PR and quality content! Even if you don't rank well in the search engine, the people who visit your site will know its importance in terms of Google's opinion to it all, after all PR is Google's opinion of your site.
Some say, backlinks are everything, this is wrong. Backlinks are only part of the PR assessment. It is very possible to achieve as good a PR as a site with 50 backlinks or more just by making sure your backlinks are high in quality and diversity. Quality does not always equal quantity when it comes to PR.
Can PR affect SERP rankings? Yes, of course. For example, if you search for the term "computer" and check the PR of the sites of the first few listings, they will have good PR. If you look again you will see that some of the sites with higher PR will rank lower in the search engine. Why is this? PR is given to you after a certain period of time, search engine rankings are more dynamic and the "whole pie" of the the ranking is not entirely based on PR. Search engine ranking is based on number of links, people visiting and talking about the links, the diversity of the links, and the authority of the links as a whole. SERP positions can vary everyday, every hour but PR varies only after a certain period of time. Most webmasters agree that SERP is determined by much more complex things than PR, but PR is a big factor in its determination. The difference in terms of position is merely between a page, meaning, if the lower PR site is at number one then the higher PR site is there within the first page. In the long term without quality contents, that lower PR site will surely fall. The factor of time depends on the niche itself, some niches get new content every second and some every week, therefore the niche you are in really does matter.
Those who say PR is only good for link selling are not paying attention. There are enough non profit organizations, bloggers and personal sites out there which prove that wrong. Link buying/selling just for PR is just not good, on the other hand if you are buying/selling links to build traffic then that is a whole different issue.
PR is very useful for ranking well in the SERP, searching for the term of computer proves that. For example, Dell's PR is 8/10 and Apple's PR is 9/10. Why exactly is Dell is up there over Apple in the rankings? Here is why, it is a general fact that Dell is much more popular to people that Apple is, so Dell ranks better. The next question is why doesn't Google present Dell with Apple's PR or better? In terms of web (internet) development
Apple is much more relevant than Dell which puts it at PR 9. In the world's economy quality is not always first, sometimes we compromise quality if it is of a lesser price and easier to implement and that is the case with rankings. PR is the value and ranking is the popularity of a site as a whole. Blackhatters can manipulate the rankings big time but never for the long term! Google is supreme and at the end of the day Google's search engine is user friendly, not webmaster friendly and that is the way it should be. Google realizes that not everybody on the web is a webmaster, normal everyday people need to be able to find what they want, and that is the way we should want it.
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