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Sitemaps and Spidering
Rand Fishkin

Sitemaps and Spidering

The great advantage of a sitemap (for SEO purposes) comes from its ability to reduce the number of links that must be followed in order to reach all pages on a site. Sitemaps have a unique ability to garner the attention of search engine spiders and crawlers - making for much faster i...

Folksonomies
Rand Fishkin

Folksonomies

An impressive new idea from the world of librarians, cataloguers and other reference technicians called Folksonomies has taken root in the world of web search. This new technology exploits users' time to classify and meta-label the web through browsing. The promise of this new categorization syte...

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W3C Valid Code
Rand Fishkin

W3C Valid Code

Code validation is an issue that has been tossed back and forth in the SEO world for years. The W3C's standards appear to have the general support of the validation and standards organizations across the Internet, thus leading SEOs to ask the leading question,Does having validated ...

Serious Sandbox Theories
Rand Fishkin

Serious Sandbox Theories

An impressive thread, started by yours truly at SEOChat - Sandbox just a Google-Only Algorithm Piece? has initiated some of the best high-level discussion on Google's unique filter in recent times. A great variety of SEO theorists...

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Age of Websites
Rand Fishkin

Age of Websites

An excellent thread at SEOChat is helping to uncover an uncomfortable phenomenon at Google - sites that rank well are very, very old. While this has been speculated about for many months, these are the first publications of any scale to be released.Read the thread - ...

EGOL from SEOChat Blows Minds
Rand Fishkin

EGOL from SEOChat Blows Minds

In two excellent posts in reply to an old theory about a conspiracy surrounding Google's toolbar, EGOL points out the value of SEO money being spent on internally developed content and then goes on to say:Someday, google will rank a site mainly, if not entirely, by its c...

Older Sites Succeeding?
Rand Fishkin

Older Sites Succeeding?

In the initial testing of the survey, one fact that consistently appears in the results that rank in the top 10 are sites that have been around a long time. Obviously, these sites have had greater time to build links & content, but there appears to be little correlation between these it...