Admittedly, this is an ambitious list, but it’s also a worthwhile one. Below, I’ve attempted to lay the foundation for every piece of website data available to marketers, researchers and the curious. Competitive analysis experts, welcome to data paradise:

Technical Data

Ownership/Hosting Data

Statistics/Popularity Data

  • Alexa Rank - via Alexa (e.g. Alexa - 864th most popular site)
  • Alexa Reach - via Alexa (e.g.Alexa - 1395 per million users)
  • Alexa Page Views Estimate - via Alexa (e.g. Alexa - 2.7 per user)
  • Google Trends Data - via Google Trends (e.g. SEOmoz - no data; only available for highly searched-for domains)
  • Compete Snapshot - via Compete.com (e.g. SEOmoz - 5854 visitors in August, ranked #204,215th most popular site; no direct linking in)
  • Ranking.com Rank - via Ranking.com (e.g. SEOmoz - 26,741st most popular site)
  • Netcraft Ranking - via Netcraft (e.g. SEOmoz - 20,319th most popular site)
  • Bloglines Subscribers - via Bloglines Feed Search (e.g. SEOmoz - 448 subscribers)

Search Engine Indexing Data

  • Yahoo! Link Data - via Yahoo! Site Explorer (e.g. SEOmoz - 187,234 external links)
  • Technorati Link Data - via Technorati (e.g. SEOmoz - 8,961 links from 2,541 blogs)
  • MSN Link Data - via Live.com (e.g. SEOmoz - 107,512 external links)
  • Google Link Data - via Google (note that this information is purposefully inaccurate) (e.g. SEOmoz - a uselessly erroneous 2,370 links)
  • Google PageRank - via RankAlert (shows for all 72 datacenters) (e.g. SEOmoz - PR 5/10 or 6/10 depending on DC)
  • Exalead Links - via Exalead (e.g. SEOmoz - 4,308 external links)

Social Tagging Data

Third-Party Trust Metrics

Important Directory & Site Listings

Press & Media Mentions

Original article from Seomoz: http://www.seomoz.org/blog/a-list-of-every-website-statistic-publicly-available