Search Engines, HTML Validation, & Link Checkers

The Science Page uses and recommends the following online HTML and CSS Validators and Link Checkers:

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Search Engines

• Ask - Search engine owned by InterActive Corp. Promoted across their suite of properties.
• Google - the search engine with the largest reach.
• Internet Archive - if you find any broken links you can see what those pages looked like in the past.
• MSN Clustering Search - new technology search showing clustering.
• MSN Search - the default search in Windows. Has around 10 to 15% market share in the US.
• Yahoo! Mindset - search engine which allows you to bias your search results toward commercial or informational results.
• Yahoo! Search - the search engine with the second largest reach.

How do Search Engines Work?

• How Stuff Works: Search Engines - information about how internet search engines work.
• Jeff Dean Video - leading Google engineer explains how search engines work.

What are People Searching for?

• Yahoo! Search Term Suggestion Tool - gives 1 month data. For commercial queries numbers tend to run higher due to commercial forces that send automated search traffic.
• Google Keyword Tool - gives 12 months of historical data
• Dogpile Search Spy - shows real time search queries

Directories:

• DMOZ - Open Directory Project
• Yahoo! Directory - one of the oldest web directories
• Yahoohooligans - web guide for kids
• Wikipedia - similar to DMOZ in structure, but hosts articles instead of just categorized link lists

More Search Engines at:

• Search Engine Watch

HTML VALIDATION:

LINK CHECKER:

CSS VALIDATION