Check your site with these seo analyzers, and most of them give you free backlinks:
Website Review - SEO Tool | WooRank.com (test your best site with this, as you can test only once per week with this tool (ip-address limitation)
Free SEO Analysis - Pear Analytics Website Analyzer
https://developers.google.com/pagespeed/
Website Analyzer
Web Page Analyzer - free website optimization tool website speed test check website performance report from web site optimization
AboutUs: Easy-To-Understand Tools & Resources For SEO & Web Marketing
Alexa the Web Information Company
Meta Tag Analyzer | Meta Tags Help
Grade Your Marketing on Marketing Grader by HubSpot
Pingdom Tools
Website analyzer | Analyze websites SEO
Website Analyzer Tool & Web Page Analysis | Visible.net Tools
SEO Tool for Search Engine Optimization Analysis - SEO Workers
Website Analyzer, Metatag Analyzer, mozRank Checker, Google PageRank Checker, Bing Indexed Pages Checker.
Meta Tags Analyzer, SEO Analyzer, Website load Time Checker, Keyword Density
Website analyzer | Analyze websites SEO
Website Analyzer | en.pageboss.com
StatsCrop - Free website analyzer! Website Analysis, Keyword Ranking Analysis, Alexa Traffic Analysis.
These are handpicked and tested safe with WOT. I use them all the time.