A site map, in old days, refers to a page on your site that lists important, if not all, pages in your site, including short descriptions or summaries of the pages.
This is different from an XML sitemap, which is now introduced by both Google, Yahoo! and MSN. The latter is a XML file used to […]

If you create sitemap files to get search engines better crawl your sites, then I have a good news for you. Now there is a features called “Sitemap Autodiscovery.”
What is it and what it does?
Sitemap autodiscovery, as the name implies, is the feature for search engine crawlers to find the URL to the sitemap for […]

Webmaster World is now running a discussion thread about what exactly are supplemental pages and some of the ways to avoid and remove them.
As the name implies, supplemental results are just that, supplemental. Google will return them only if not enough regular search results are available. In very rare chances are these results will appear […]

A month ago, SEO Black Hat had an experiment about the effect of on-site intra-linking to SEO. Particularly the experiment is about click distance and how it could bring more or less traffic from search engines.
What is Click Distance?
First of all, click distance is the number of clicks it takes to reach to a web […]

Here is what could happen if your server returns incorrect code for “page not found”. A forum user reports that Google has ignored hist custom 404 pages and it now says he has 2.6 million pages, which he don’t.
What’s more disturbing is the fact that Google has dropped his rankings to the level that even […]