HOW GOOGLE

Get URLs from search results Google Backlink Checker Tool for Penguin & Disavow Analysis Greasemonkey script
Website Crawler Tool and Google Sitemap Generator
Google, Bing, Yahoo, Ask, and Blekko Comparison Tool
Internal Page Crawler and External Link Extractor
Link / Header Crawler
Title Tag and Meta Description Content Report
On-Page SEO Optimization Analysis Tool
Page Comparison
Advanced Robots TXT Generator
XML Sitemap Validator
Google Keyword Suggest Tool
Suggestion Keyword Finder
Advanced URL List Cleaner Tool
Keyword Combination Tool
Keyword Cloud Tool
Keyword Density Analysis
Page Image and Link Analysis
Internal/External Link Analyzer Tool
C Class IP Checker
Search Engine Spider Simulator
Load Time and Page Speed Tool
Indexed pages
Advanced Meta Tags Generator
Meta Tag Analyzer
On-page SEO Analysis
Keyword Density