Ahrefs Backlink Checker - With the world's biggest index of live backlinks (over 15 trillion), Ahrefs Backlink Checker will show you the most complete backlink profile for any website.
Google SERP Snippet Optimization - SEOmofo tool replicates the appearance of a snippet in Google SERPs, which allows SEOs to optimize a page title and description for maximum click-through rate.
Backlinks by Neil Patel - A backlinks research tool for competitive intelligence
SiteChecker Google Cache Checker - Check the last date when website was cached by Google
SEMScoop - Find and analyze easy to rank long-tail keywords with free SEMScoop Keyword Difficulty Tool, Start using them for SEO, PPC, content creation and all your marketing activities
MOZ Domain Analysis - Enter any domain, and we'll show you top competitive SEO metrics like Domain Authority, top pages, ranking keywords, and more.