Webmaster level: All When users come to Google, they have a pretty good idea of what they're looking for, but they need help deciding which result might have the information that best suits their needs. So, the challenge for Google is to make it very clear to our users what content exists on a page in both a useful and concise manner. That's why we have rich snippets . Essentially, rich snippets provide you with the ability to help Google highlight aspects of your page.

Webmaster level: All Earlier today we announced Instant Pages , a new feature to help users get to their desired search results even faster-in some cases even instantly! The Instant Pages feature is enabled by prerendering technology that we are building into Chrome and then is intelligently triggered by web search when we're very confident about which result is the best answer for the user's search.

Webmaster level: All With Instant Previews , users can see a snapshot of a search result before clicking on it. We've made a number of improvements to the feature since its introduction last November, and if you own a site, one of the most relevant changes for you is that Instant Previews now supports Flash. An Instant Preview with rich content rendered In most cases, when the preview for a page is generated through our regular crawl,

Webmaster level: All In the past, when you created a website or web app, you were largely limited to a few select "web safe" fonts such as Times and Arial. If you deviated from these fonts, you were required to use Adobe Flash or your embed text in images, which introduced a whole new set of trade offs. For example, images aren't semantic, cannot be translated into other languages automatically, and can be much larger in file size than text. In addition,

Webmaster Level: Intermediate to Advanced What are the benefits of submitting feeds like Video Sitemaps and mRSS vs. the benefits of Facebook Share and RDFa ? Is one better than the other? Let's start the discussion. Functionality of feeds vs. on-page markup Google accepts information from both video feeds, such as Video Sitemaps and mRSS, as well as on-page markup, such as Facebook Share and RDFa. We recommend that you use both! If you have limited resources, however,

Webmaster Level: All Last year, as part of Google's initiative to make the web faster, we introduced Page Speed , a tool that gives developers suggestions to speed up web pages. It's usually pretty straightforward for developers and webmasters to implement these suggestions by updating their web server configuration, HTML, JavaScript, CSS and images.

Webmaster Level: All Often a website which hosts videos will have a common top-level page that groups conceptually related videos together. Such a page may be of interest to a user searching on that subject. Sites with many videos about a single subject can group these videos together on a top-level page, often known as a gallery. This can make it easier for users to find exactly what they're looking for. In this case,

Webmaster Level: All Update on May 19, 2010: We have several translated versions of this post! If you're more comfortable reading Thai , Indonesian , Romanian , Czech , or Farsi , the links above will take you to your preferred version. Thanks again for your help. We pay attention to dozens of different languages in our spam fighting, but sometimes we really want to drill down and concentrate on a small number of languages.