If you have a super heavy robots.txt file beyond 500KB, then you must limit it to a reasonable size as it can cause serious issues with your site’s health in the Google results.

Google’s John Mueller on his Google+ page reminded webmasters that Google has a limit of only being able to process up to 500KB of robots.txt file. If you have a super heavy robots.txt file, and it is beyond 500KB, GoogleBot can get confused.

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Now, there are two new features in Google Webmaster Tools. They are the ability to test sitemaps before submitting them to Google and testing crawlers specifically for Googlebot-Mobile.

Testing Sitemaps

Do you hate it when you submit a sitemap to Google and you have to wait to see if there are issues with the sitemap file? If yes, Google now lets you test your sitemap files before submitting them!

Here is how it works.

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Yahoo has announced Scott Thompson as their new CEO. Earlier, Scott Thompson was the President of PayPal. He will start his journey with Yahoo on 9th January 2012 and he replaces the interim CEO, Tim Morse.

While Scott was associated with PayPal, PayPal solidified its lead as the global online payment service, expanding its user base from 50 million to more than 104 million active users in 190 countries worldwide, increasing the number of merchant partners to more than 8 million globally, and growing revenues from $1.8 billion to $4+ billion in 2011.

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As you all know, buying paid links is against Google’s terms of service. But surprisingly, Google itself has been caught buying paid links.

Read on to know what really happened.

Danny Sullivan who did a deep dive on this campaign, said, ‘We are not 100% sure yet, nor do we have any statement from Google on this, but it appears that Google hired a marketing company to run a campaign to promote their browser, Google Chrome.

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