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Static vs. Dynamic URLs
Rand Fishkin

Static vs. Dynamic URLs

Many in the SEO world have long questioned the neccessity of re-writing dynamic URLs - those that pull content from databases - into static URLs that appear to end with a finite .php/.asp/.html/etc. A dynamic URL is often criticized by search optimizers because of the difficulties search ...

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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...

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...