Ahrefs Webmaster Tools offers site audit, backlink data, and keyword insights for free. Below are 20 other free (or freemium) SEO tools that provide comparable features such as site crawling, rank tracking, keyword research, and performance analysis.
Get targeted exposure with custom position pinning and highlighted placement.
Official Google tool for monitoring site performance, indexing status, crawl errors, and search query data.
Microsoft’s counterpart to GSC – provides crawl reports, keyword insights, and SEO diagnostics for Bing.
Neil Patel’s keyword research and site audit platform offering limited daily searches and backlink overview for free.
Browser extension that delivers on‑page SEO metrics, keyword density, and SERP analysis instantly.
Free Chrome/Firefox toolbar showing page authority, domain authority, and on‑page elements while you browse.
Desktop crawler that scans up to 500 URLs, reporting broken links, redirects, meta data, and duplicate content.
Online site audit tool that checks SEO, usability, performance, and security with a single URL entry.
Generates visual keyword ideas and question‑based queries from Google’s autocomplete data.
Shows search volume, CPC, and related keywords directly in Google search results.
Analyzes page load speed and provides actionable recommendations for both mobile and desktop.
Free performance analysis tool that combines Google Lighthouse and YSlow scores with waterfall charts.
Free SEO audit platform that checks technical issues, on‑page factors, and backlink health.
Offers a limited number of free site audits per day covering SEO, security, and usability.
Provides a one‑time free site review with SEO, mobile, and social metrics.
All‑in‑one SEO platform with limited daily keyword research, site audit, and backlink checks.
WordPress SEO plugin offering on‑page analysis, schema markup, and sitemap generation.
Popular WordPress plugin for content optimization, XML sitemaps, and readability analysis.
Cloud‑based crawler that delivers a limited number of free site audits per month.
Shows real‑time search interest, related queries, and seasonal patterns for any keyword.
Free online tool that strips a webpage to its pure HTML to evaluate on‑page SEO elements.