Written by Michael Wyszomierski and Greg Grothaus, Search Quality
Many webmasters have discovered the advantages of using Ajax to improve the user experience on their sites, creating dynamic pages that act as powerful web applications. But, like Flash, Ajax can make a site difficult for search engines to index if the technology is not implemented carefully. [...]

Written by Amanda Camp, Webmaster Tools and Trystan Upstill, International Search Quality Team
Starting today Google Webmaster Tools helps you better control the country association of your content on a per-domain, per-subdomain, or per-directory level. The information you give us will help us determine how your site appears in our country-specific search results, and also improves [...]

Posted by Mickey Kataria, Google Zürich
Since the launch of Sitemaps, webmasters have been asking if they could submit their Sitemaps for multiple hosts on a single dedicated host. A fair question — and now you can!
Why would someone want to do this? Let’s say that you own www.example.com and mysite.google.com and you have Sitemaps for [...]

 Sitemaps question answered by the one who knows the best the Official Google Webmaster Central Blog.
Great post Posted by Mickey Kataria, Google Zürich
“Since the launch of Sitemaps, webmasters have been asking if they could submit their Sitemaps for multiple hosts on a single dedicated host. A fair question — and now you can!
Why would someone [...]

Written by Sahala Swenson, Webmaster Tools Team
As you know, the queries used to find your website in search results can change over time. Your website content changes, as do the needs of all the busy searchers out there. Whether the queries associated with your site change subtly or dramatically, it’s pretty useful to see how [...]

Written by Mickey Kataria, Google ZürichThe Sitemaps team is continuing its trend of extending the Sitemap Protocol for specific products and content types. Our latest work with the Google Code Search team now enables you to create Sitemaps that contain information about public source code you host and would like to include in Code [...]

Written by Stacey Kuznetsov, Search Quality
Sitelinks are extra links that appear below some search results in Google. They serve as shortcuts to help users quickly navigate to the important pages on your site.

Selecting pages to appear as sitelinks is a completely automated process. Our algorithms parse the structure and content of websites and identify pages [...]

Written by Ríona MacNamara, Webmaster Tools Team
Common feedback we hear from webmasters is that you want us to improve the freshness of the data in Webmaster Tools. Understood. We’ve increased the update frequency for your verified sites’ data, such as crawl, index, and search query stats. Much of this data depends on the [...]

Written by Raj Krishnan, Snippets Team
The quality of your snippet — the short text preview we display for each web result — can have a direct impact on the chances of your site being clicked (i.e. the amount of traffic Google sends your way). We use a number of strategies for selecting snippets, and [...]

Written by Nathan Johns, Search Quality Team
In recent months, there’s been a noticeable increase in the number of compromised websites around the web. One explanation is that people are resorting to hacking sites in order to distribute malware or attempt to spam search results. Regardless of the reason, it’s a great time for all of [...]