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Rajasekharan asks:

I couldn’t find an XML sitemap in your blog. Do you have one? If no, why are you reluctant to include an XML sitemap?

First things first, what is a sitemap? According to Sitemaps.org:

Sitemaps are an easy way for webmasters to inform search engines about pages on their sites that are available for crawling. In its simplest form, a Sitemap is an XML file that lists URLs for a site along with additional metadata about each URL (when it was last updated, how often it usually changes, and how important it is, relative to other URLs in the site) so that search engines can more intelligently crawl the site.

Web crawlers usually discover pages from links within the site and from other sites. Sitemaps supplement this data to allow crawlers that support Sitemaps to pick up all URLs in the Sitemap and learn about those URLs using the associated metadata. Using the Sitemap protocol does not guarantee that web pages are included in search engines, but provides hints for web crawlers to do a better job of crawling your site.

The key message is in the second paragraph: “Web crawlers usually discover pages from links within the site and from other sites. Sitemaps supplement this data.”

Google and the other search engines rely mainly on their bots and web crawlers to discover new pages around the web. Sitemaps help them in some situations, but they are not compulsory nor necessarily beneficial.

Here is what Google itself says about Sitemaps:

Sitemaps are particularly helpful if:

• Your site has pages that aren’t easily discovered by Googlebot during the crawl process – for example, pages featuring rich AJAX or Flash.
• Your site is new and has few links to it. (Googlebot crawls the web by following links from one page to another, so if your site isn’t well linked, it may be hard for us to discover it.)
• Your site has a large archive of content pages that are not well linked to each other, or are not linked at all.

Unless you fall into one of those cases, therefore, having a Sitemap will not be “particularly helpful” for your site.

In fact, some people claim that it might even be the opposite. There are cases where the addition of a Sitemap actually reduced the crawl rate of the website, possibly because Google no longer need to crawl the site completely to discover its internal pages.

On most of my sites I don’t use Sitemaps because I always try to have an efficient internal link structure in place. For example on Daily Blog tips every single page of the site is accessible within 2 clicks of the homepage.

If your website is having indexation problems, has a poor internal link structure, or falls in one of the three situations described by Google, then using a Sitemap would probably be a good idea.

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Q&A: What Is a Sitemap? Do I Need It?

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The Windows 7 Build 7025 screen shots are said to be leaked by a Chinese website. Microsoft released Windows 7 Beta few weeks ago and the only version that was released during this beta was Windows 7 Ultimate. It is still unclear about the different Windows 7 versions that Microsoft is planning to release.

Here are some of the screen shots that are leaked.

 

But one of the sites claims that the screen shots that got leaked might be fake. The reason for this suspicion is because the original build number at extreme right corner is always covered with PCBETA logo. Is it for hiding the build number? Might be. So lets just wait and watch may be it is a rumor or reality.

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Nokia has announced its three new devices today, 2700 Classic, 6303 Classic and 6700 Classic. Despite the low cost of some of the models, Nokia said that they combine the functionality and user experience buyers are looking for with premium designs and materials. And also added that these phones will be available from the second quarter of 2009.

The Nokia 6700 Classic belongs to classic category, it also comes with pretty high-end camera, which boasts a resolution of 5 megapixel, and it also comes with assisted GPS navigation with Nokia Maps. This is the successor to the Nokia 6300 and features a slim and beautiful design with a full metal keymat. The Nokia 6700 classic is retailing at an estimated EUR 235.

The Nokia 6303 Classic at an estimated retail price of EUR 135, offers a 3.2-megapixel camera, 2.2-inch display and boasts excellent features and battery performance. It also ships with Nokia Maps, but needs an external GPS receiver for navigation. The major advantage of Nokia 6303 is that it weighs 20g lesser than Nokia 6300.

The most affordable, yet full featured handset, Nokia 2700 Classic which is designed with 2GB of storage via the memory card slot, integrated digital music player and a 2.0 megapixel camera. All these features at an estimated price of EUR 65.

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What happens when you don’t like the look of your Apple keyboard, and you want something more minimalist? You paint it white like Essell.

Essell decided he didn’t like the combination of white and silver on his Apple keyboard, and decided to spray it white, I have to admit it looks amazing.

I certainly would have a few problems typing on it, but luckily Essell is a a much better touch typist than me.

Essell via Not Cot

This is a Syndicated post from Geeky Gadgets.

Post from http://www.gadgettastic.com

All White Apple Keyboard

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Apple just released its iPhone 2.2.1 software update last Tuesday. There’s nothing to get excited about since this latest update has no new significant features except fixes and minor improvements. You can update your iPhone to the latest firmware by simply connecting your device to your computer. iTunes will take care of the download and installation right after you confirm to upgrade your iPhone.

Speaking of the update, it improves Safari’s stability and fixes image issue in which pictures saved from Mail don’t display properly in the Camera Roll. That’s it! Though it has been much rumored that the addition of support for push notifications will be included, it’s simply not in this update.

Don’t worry, it will definitely come in the future, perhaps along with Bluetooth feature, who knows

For those having trouble to update it via iTunes (like me), you may download directly via the following links

1. iPhone 2G 2.2.1 Firmware
2. iPhone 3G 2.2.1 Firmware

Both download links have resume support, so you may need to use any download managers to handle the download. Once the download is completed, plug in your iPhone to your PC. Press and hold “shift” button while clicking on the update button (iTunes interface). This will effectively open a windows popup where you can locate the downloaded firmware. The rest is pretty self-explanatory.

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The British government outlined plans on Thursday to bring broadband Internet service to every home in Britain by 2012, and proposed ways to support the music industry and other media businesses by cracking down on online piracy.

The communications minister, Stephen Carter, is eager for the media, telecommunications and technology sectors to pick up part of the slack as other parts of the British economy, including financial services, decline. By 2012, the government said in a report, 20 percent of all commerce in Britain will occur online.

“There is no sector, with the possible exception of energy, that the rest of the economy depends upon more than this one,” Mr. Carter told reporters in London.

The government wants to make broadband a universal service like television, using fixed-line and wireless technologies. About 60 percent of British households currently have broadband.

The report makes frequent reference to President Obama’s economic stimulus plan, which includes billions of dollars for expanding access to broadband. But the British report emphasizes the role of the private sector, calling for steps to remove barriers to further investments.

Matthew Howett, an analyst at Ovum, a telecommunications consulting firm, criticized the report for lacking details on how its goals might be achieved.

“The government must ensure that ‘Digital Britain’ doesn’t become merely a series of reviews, reports and consultations,” Mr. Howett said.

To try to curb unauthorized file-sharing, which the music industry blames for its woes, the report recommends requiring Internet service providers to send warning letters to persistent pirates.

Some British Internet providers have already sent such letters under a voluntary agreement. Under the proposal outlined Thursday, they would be required by law to do so. Internet providers would also be required to turn over personal details of repeat offenders to rights holders, like music companies, so that the offenders could be sued.

The music industry, however, is increasingly reluctant to pursue file-sharers through the courts, fearing a backlash from listeners. The Recording Industry Association of America, which represents the major record companies, moved to end a multiyear legal campaign against file-sharers, for example.

“We do not believe that the form of intervention proposed by today’s report — suing consumers — is the best way forward,” said Feargal Sharkey, chief executive of UK Music, which represents the British music industry.

Instead, the music industry in Britain has been pushing for Internet service providers to take on more of the burden of curbing piracy. Record companies want service providers to cut off service to persistent copyright infringers, something that Eircom, which provides Internet access in Ireland, said Thursday that it had agreed to do.

In France, legislation that would require service providers to disconnect pirates is working its way through Parliament.

The British report also proposes the creation of a “rights agency,” financed by a tax on broadband providers and content owners, to work on ways to protect copyrighted material.

“It may be that such an independent, objective body may be better able to surmount the mutual tension between rights holders, publishers, search engines and other content aggregators, the I.S.P.’s and the underlying communications network operators and instead broker technical solutions that can command widespread adoption and support,” the report said.

The recommendations are preliminary; they are open to comment, and the government intends to make final proposals in June.-Ny Times

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NTT DoCoMo will switch off its second-generation cell phone network in just over three years, the company said Friday.

The carrier was first in the world to launch commercial 3G service when it debuted a network in Tokyo in October 2001 and, after some early technology troubles were sorted out, has benefited from a user base that is quick to adopt new technology and a local business model that gives it the ability to dictate technology and features put in handsets by manufacturers.

The company, which has a 51 percent market share, released its last 2G phone in 2004 and saw its 3G subscribers outnumber those on the 2G network in the middle of 2006.

At the end of December 2008, about 88 percent of the carrier’s 54 million subscribers were on the 3G network. The remaining 6.7 million will be offered incentives to make the jump to the 3G network before it closes on March 31, 2012, it said.

NTT DoCoMo’s 3G network is based on the WCDMA (Wideband Code Division Multiple Access) standard that has become the dominant 3G technology in use worldwide. In contrast, its 2G network is based on the home-grown PDC (Personal Digital Communications) standard that was developed by NTT DoCoMo but never got any support outside of Japan.

The intention to switch off 2G was announced as NTT DoCoMo released its financial results for the first nine months of its current fiscal year, which covers the April to December period of 2008. Revenue during the period was ¥3.4 trillion yen (US$37.6 billion), a 4 percent drop on the same period in 2007, while net profit rose 16 percent to ¥438 billion.

During the last three months of the year, NTT DoCoMo managed to reduce its churn rate and the number of customers coming to the carrier from competitors was more than the number leaving for competitors.-PC World

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