SEO SiteCheckup offers a quick health audit of your website. Below is a curated list of 20 free SEO tools that provide similar site‑analysis, keyword research, backlink checking, and performance insights without any cost.
Get targeted exposure with custom position pinning and highlighted placement.
Official Google tool that monitors indexing status, search performance, mobile usability, and provides crawl error reports.
Microsoft’s counterpart to GSC, offering site diagnostics, keyword research, and backlink data for Bing’s search engine.
Neil Patel’s keyword research platform that also delivers site audit reports, backlink overviews, and content ideas.
Free Chrome/Firefox extension that shows page authority, domain authority, on‑page elements, and link metrics instantly.
Free Ahrefs suite for verified site owners, providing site audit, organic keyword rankings, and backlink snapshots.
Desktop crawler that scans up to 500 URLs, delivering insights on redirects, duplicate content, meta data, and broken links.
Browser extension that delivers on‑page SEO audit, keyword density, internal/external link analysis, and SERP overlay.
Generates visual keyword and question maps based on Google’s autocomplete data, useful for content ideation.
Free Chrome extension that 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 performance.
Free website speed testing tool that combines Google PageSpeed and YSlow metrics with waterfall charts.
All‑in‑one SEO suite offering site crawl, on‑page analysis, backlink monitoring, and keyword tracking for free accounts.
Provides a one‑page SEO audit covering technical, on‑page, and off‑page factors with a score and improvement tips.
Online crawler that checks for broken links, duplicate content, meta tags, and provides a visual site map.
Free tool that scans a URL for SEO issues, page speed, mobile usability, and provides a prioritized fix list.
A collection of free utilities—including backlink checker, plagiarism detector, and site audit—usable without registration.
Free website audit that checks for broken links, duplicate content, meta tag issues, and provides a PDF report.
Free online SEO checker that evaluates page titles, meta descriptions, headings, image alt attributes, and page speed.
Comprehensive SEO plugin for WordPress offering on‑page analysis, schema markup, XML sitemaps, and keyword rank tracking.
Popular WordPress plugin that provides readability analysis, meta tag editing, XML sitemaps, and content SEO scores.