Open Site Explorer: A comprehensive tool for link analysis.
Ahrefs: Site explorer & backlink checker.
Quick Sprout: Complete analysis of your website.
WordPress SEO by Yoast: Have a fully optimized WordPress site.
SEO Site Checkup: Check your website’s SEO problems for free.
Hubspot Marketing Grader: Grade your marketing.
SimilarWeb: Analyze website statistics for any domain.
Alexa Ranking: Analytical insights to analyze any site’s rank.
SERPs Rank Checker: Free keyword rank & SERP checker.
OpenLinkProfiler: The freshest backlinks, for free.
Keywordtool.io: Free alternative to Google Keyword Planner.
Google: Analytics | Keyword Planner | Webmaster Tools | Trends |
Nibbler: Test any website.
Browseo: How search engines see your website.
Broken Links: Find broken links, redirects & more.
Copyscape: Search for copies of your page on the web.
Google Pagespeed Insights: Check the performance of your site.
Pingdom: Test & the load time of a site.
GTMetrics: Analyze your page’s speed performance.
Moz Local: Check your local listings on Google, Bing, and others.
XML Sitemaps: Sitemap generator that creates XML & HTML variants.
Shopify E-commerce Report: Get your free Ecommerce report.
W3C validator: Easy-to-use markup validation service.