Google Search may change webpage titles they show in the result page (since 2012-01): We use many signals to decide which title to show to users, primarily the <title> tag if the webmaster specified one. But for some pages, a single title might not be the best one to show for all queries, and so … Read more
There have been some experiments performed for SEO purposes which indicate that at least the big players (Google, for example) can and do follow some simple JavaScript. They avoid sneaky redirects and such, but some basic content manipulation does seem to get through. (I don’t have a link handy for Google themselves confirming or denying … Read more
Here’s a solutions if you want to disallow query strings: Disallow: /*?* or if you want to be more precise on your query string: Disallow: /*?dir=*&order=*&p=* You can also add to the robots.txt which url to allow Allow: /new-printer$ The $ will make sure only the /new-printer will be allowed. More info: http://code.google.com/web/controlcrawlindex/docs/robots_txt.html Advanced Usage … Read more
Google calls them sitelinks. You can’t enforce them currently: We only show sitelinks for results when we think they’ll be useful to the user. If the structure of your site doesn’t allow our algorithms to find good sitelinks, or we don’t think that the sitelinks for your site are relevant for the user’s query, we … Read more