Popular Webmaster Tools

I found a cool li9nk which helps one to check followijng aspects of a website
Backlink Finder
Alexa Traffic Rank
Google Banned Checker
Broken Link Checker
Keyword Density Analyzer
Domain Availability
Link Popularity
Domain Look-up
PageRank Checker
Link Price Calculator
Search Engine Position
Ping Test
Meta-tags Generator
Server Status
Website Speed Test
Assess all above at a single page at
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