SERPstat is an all‑in‑one SEO platform offering keyword research, rank tracking, site audit, and backlink analysis. Below are 20 free‑tier tools that provide comparable SEO capabilities without a paid subscription.
Get targeted exposure with custom position pinning and highlighted placement.
Official Google tool for monitoring site performance, indexing status, search queries, and technical issues.
Microsoft’s counterpart to GSC, offering crawl stats, keyword reports, and SEO diagnostics for Bing.
Neil Patel’s keyword research and site audit tool with limited daily queries and backlink data.
Free Ahrefs suite for site audit, backlink overview, and organic keyword performance (requires site verification).
Includes MozBar browser extension, limited Keyword Explorer queries, and site crawl metrics.
Desktop crawler that scans up to 500 URLs, providing on‑page SEO data, broken links, and redirects.
Free browser extension delivering instant SEO metrics, keyword density, and SERP overlay data.
Generates visualized question‑based keyword ideas from Google and Bing autocomplete data (limited daily searches).
Chrome extension that shows search volume, CPC, and related keywords directly in Google results.
Part of Google Ads; provides keyword ideas, search volume ranges, and competition data (requires a Google Ads account).
Online site audit tool with on‑page SEO checks, broken link detection, and basic rank tracking.
All‑in‑one SEO platform offering a 14‑day free trial with keyword tracking, site audit, and competitor analysis.
WordPress plugin with free version covering on‑page SEO, schema markup, keyword rank tracking, and sitemap generation.
Popular WordPress plugin offering free on‑page SEO analysis, XML sitemaps, and readability checks.
Provides a one‑time free SEO audit report covering site health, mobile usability, and backlink snapshot.
Collection of free utilities such as plagiarism checker, backlink checker, keyword position tracker, and more.
Free site audit delivering scores for SEO, mobile friendliness, speed, and security with actionable recommendations.
Free online tool that scans a URL for on‑page SEO issues, page speed, and backlink overview.
Offers a free account with daily site crawls, on‑page SEO checks, backlink monitoring, and keyword rank tracking for up to 20,000 pages.
Analyzes page performance and provides optimization suggestions for both mobile and desktop.