It's only natural that search engine rankings fluctuate. They do it all the time. Sites go up then go down. Go up again. Then down. And up. And down again. Usually, such fluctuations are only one or two rankings at a time. But you'll also often see a site drop a page or two then go back up again. These sort of fluctuations are only normal.

Why might Google create two operating systems - Android and Chrome OS - instead of merging their efforts into a single one? Ex Google employee Kevin Fox provides his arguments . [By Philipp Lenssen | Origin: Android vs Chrome | Comments ] [Advertisement] Want to advertise here? Your ad will show in the blog and feed.

One of the most important aspects of SEO is also one of the most overlooked aspects of on-site optimization - code validation. It isn't a matter of whether or not your code is illegal, but whether or not it is acceptable according to search engine standards. Sometimes, a simple matter like not closing certain tags in your HTML can cause you to rank lower in the search engines. But if you validate your HTML before you upload it then you won't have any issues.

One of the most important principles behind on site optimization of a website is to maintain a good balance between search engine optimization techniques and valuable content for your readers. To be sure, valuable content should take precedence, but if you focus only on making sure your content is readable and likable and you spend no time on SEO then you are likely to produce a site that is not optimized properly. And what will that get you?

by Claudine Zap There's real. Then there's reality. And there's the satiric movie " Bruno ," which seems to be in a class by itself. Sacha Baron Cohen ("Borat") is back. This time, he's come to America as the character Bruno, the flamboyantly gay Austrian model, who places himself in situations that seem, frankly, death defying. (Making passes at hunters with real guns? Telling a black talk-show audience his adopted baby has a traditional African name of O.J. ?

by Claudine Zap Our top picks from the day's hottest searches. Big green egg (Searches increased by 1,942%). No, not something from Dr. Seuss. It's an orb-like barbeque grill with quite a following . Tornado potato (+1,681%). A storm of spiral cut, deep-fried potatoes could be headed for your stomach . Evian roller babies (+1,110%). The video of computer-generated babies on skates has become a Web sensation . Drew Barrymore (+525%).

by Mike Krumboltz Times are tough, but that doesn't mean that paying obscene amounts of money for nonessentials is completely out of style. This week, a video game fetched $17,000. Also buzzing: Lance Armstrong's humorous fine, and a photo that has some saying, "Baby's got Barack." Read on for all these stories and more with the Buzz Week in Review. It's not about the fine Actually, it is. Lance Armstrong , the all-universe cyclist,

What features and approaches would you like to see in an operating system? [By Philipp Lenssen | Origin: What Would You Like to See in an OS? | Comments ] [Advertisement] Want to advertise here? Your ad will show in the blog and feed.

We're used from social media sites that we can look up quickly how well we perform on them. Whether it's a front page like on Delicious and Sphinn or a review page like on StumbleUpon, it takes just a look at a page or two to find out. With Twitter it gets a little tricky. Tweets disappear almost as fast as they see the light of day, within minutes. Also we usually only see the tweets of the people we follow. So how to find out who else is tweeting about your blog or site?

Here at Digg, like most sites, the designers, developers, and QA engineers spend a lot of time making sure the site works in IE6, an eight-year-old browser superseded by two full releases. It consumes time that could be spent building the future of Digg. Here's what we're gonna do â?" and not do â?" about it. Should Digg block IE6? Currently, IE6 usage accounts for 10% of Digg visitors and 5% of page views on Digg.