Technical SEO & Site Audits
Free technical SEO tools
49 of the 84 technical SEO tools in this directory are free or have a free plan.
20 have no paid plan at all. The rest pair a free plan with paid ones, and the table says what each free plan includes.
Listings checked up to Oct 23, 2026 · Where the facts come from
| Tool | Price | What is free |
|---|---|---|
| SiteGuruSEO audit tool that turns site crawls into a prioritized task list | Free plan · from $39/mo | After the 6-week trial the account can stay on a free plan with SiteGuru's free features; the pricing page does not list what those include. |
| Beam Us UpFree desktop SEO crawler for Windows, Mac and Linux | Free | Everything. There is no paid plan. |
| IntegrityMac link checker, free for personal use, with paid SEO editions | Free plan · from $20 one-time | Integrity is free for personal use with no restrictions, but only checks links: no export, search, sitemap or SEO checks. Business users are asked to buy a paid edition. |
| Visual SEO StudioDesktop SEO crawler for Windows and Mac with XML sitemap tools | Free plan · from €149/yr | Community Edition: free, crawls up to 500 pages with 2 connections, with most inspection reports. No URL-list crawls, sitemap audits, API data or support. |
| SpotiboOnline technical SEO audit and on-page change alerts | Free plan · from $14/mo | Free forever: 300 URLs a month, 100 per project, 3 projects, unlimited users, a monthly recrawl and daily alerts on 2 pages. |
| SitelinerFree site scan for internal duplicate content and broken links | Free plan | Free scan of a site's 250 most prominent pages, once every 30 days per site, with no sign-up. Premium scans cost 1¢ per page from prepaid credits. |
| XML-Sitemaps.comFree online XML sitemap generator for sites up to 500 pages | Free plan · from $2.44/mo | Free online generator: XML, HTML and text sitemaps for up to 500 pages, no registration. You download the files and upload them to your site yourself. |
| Dr. Link CheckOnline broken link checker with blacklist and scheduled checks | Free plan · from $13/mo | Lite plan: one-time checks of up to 1,500 links on each of 2 websites, broken link checks only, with no scheduling, rules or export. |
| Dead Link CheckerFree online broken link checker with scheduled scans by subscription | Free plan · from $9.95/mo | Site Checker and Multi Check are free, up to 2,000 links per scan; Multi Check needs a free account and emails the report. |
| Xenu's Link SleuthFree Windows program that checks a website for broken links | Free | Everything. There is no paid plan. |
| SiteAnalyzerWindows SEO crawler with a free edition and a one-time Pro license | Free plan · from $108 one-time | Unlimited crawls, but 100 pages per crawl, 1 saved project and 1 crawl thread, on one computer. It is set up at registration and does not expire. |
| Schema.devFree point-and-click schema markup builder for Chrome | Free | Everything. There is no paid plan. |
| SchemantraFree web-based JSON-LD generator for every schema.org type | Free | Everything. There is no paid plan. |
| Redirection.ioRedirect manager and traffic log monitor for websites | Free plan · from €20/mo | Up to 10 redirect rules, unlimited domains and users, 1 day of detailed logs (10,000 lines a day), 1 month of traffic statistics and crawler access. |
| Redirect.pizzaHosted domain redirects with automatic HTTPS | Free plan · from $14.95/mo | 5 source hostnames, 250,000 requests a month, 10 path rules and 1 team member, with automatic HTTPS and the API. No analytics. |
| Headless-Render-APIHeadless Chrome API for pre-rendering, screenshots, PDFs and scraping | Free plan · from $9/mo | Up to 500 API requests a month; requests made without an API token are also limited to 15 an hour. |
| SEO4AjaxDynamic rendering service that serves JavaScript pages to bots | Free plan · from $29/mo | Developer plan: 1,000 pages and 2,500 snapshots a month with community support, free for good and with no credit card needed. |
| SEO GetsSearch Console and GA4 analytics with SEO reports and client portals | Free plan · from $49/mo | Free sites, without limit: Search Console data, the master dashboard, filtering and branded vs non-branded tracking, for unlimited users. No credit card needed. |
| Search Analytics for SheetsGoogle Sheets add-on that pulls and backs up Search Console data | Free plan · from $16/mo | Up to 10,000 rows per request of Search Analytics data and 100 of URL Inspection data, unlimited requests and unlimited daily or monthly backups. |
| GTmetrixPage speed testing with Lighthouse reports, monitoring and an API | Free plan · from $4.99/mo | Free Basic account; the API docs give it 2 tests at a time and a lower API rate limit than PRO. Other limits could not be read. |
| WebPageTestPage speed tests from real browsers in locations around the world | Free plan · from $180/yr | Starter plan: 150 test runs a month (up to 3 per test), 30 test locations, Lighthouse, filmstrip and video, Opportunities, 3-step scripts and 60 days of history. |
| TreoCore Web Vitals dashboard built on CrUX data and Lighthouse runs | Free plan · from $75/mo | a personal account with 5 sites and 2 years of history, and CrUX data for 50 pages. No Lighthouse monitoring. |
| Request MetricsReal-user monitoring and Lighthouse testing for Core Web Vitals | Free plan · from $34/mo | 1 user and 1 website, 1,000 monitored page views a month, Core Web Vitals monitoring and email alerts, with 24 hours of data kept. |
| SpeedVitalsPage speed tests from 35 locations, TTFB checks and speed monitoring | Free plan · from $16/mo | 15 speed tests and 15 TTFB tests a week, 1 daily monitoring slot, RUM for 1 site up to 5,000 page views a month, and 1 month of test reports. |
| NitroPackAutomatic speed optimization and CDN for WordPress and WooCommerce | Free plan · from $7/mo | 1 website, 1,000 pageviews and 1GB of CDN bandwidth a month, 1 team member, no credit card needed. |
| sitespeed.ioFree open-source toolkit for testing and monitoring web performance | Free | Everything. There is no paid plan. |
| UnlighthouseFree open-source tool that runs Lighthouse on every page of a site | Free | Everything. There is no paid plan. |
| Hreflang Tags Testing ToolFree validator that checks hreflang tags across a list or sitemap | Free | Everything. There is no paid plan. |
| Google Search ConsoleFree Google reports on a site's search traffic, indexing and issues | Free | Everything. There is no paid plan. |
| PageSpeed InsightsFree Google speed test with real-user Core Web Vitals and Lighthouse | Free | Everything. There is no paid plan. |
| Bing Webmaster ToolsFree Bing reports on search traffic, indexing and AI answer citations | Free | Everything. There is no paid plan. |
| Google Rich Results TestFree Google check of which rich results a page's structured data earns | Free | Everything. There is no paid plan. |
| Schema Markup ValidatorFree schema.org checker for any structured data on a page or snippet | Free | Everything. There is no paid plan. |
| LighthouseGoogle's open-source audit of page speed, accessibility and SEO | Free | Everything. There is no paid plan. |
| Chrome UX ReportGoogle's public dataset of real Chrome users' Core Web Vitals | Free | Everything. There is no paid plan. |
| Yandex WebmasterFree Yandex reports on a site's indexing, errors and search queries | Free | Everything. There is no paid plan. |
| Baidu Search Resource PlatformBaidu's webmaster tools for indexing, crawling and keyword data | Free | Everything. There is no paid plan. |
| Naver Search AdvisorNaver's free webmaster tools for crawling, indexing and site checks | Free | Everything. There is no paid plan. |
| Yellow Lab ToolsFree open-source audit of a page's speed and front-end code | Free | Everything. There is no paid plan. |
| SiteOne CrawlerFree open-source site crawler and audit report, as an app or CLI | Free | Everything. There is no paid plan. |
| httpstatus.ioBulk checker for HTTP status codes, headers and redirect chains | Free plan · from €10 one-time | The web checker is free, with batches of up to 100 URLs. The API's Free Plan gives a one-time 500 calls at 1 request per second, not for commercial use. |
| SEOnautOpen-source SEO site audit tool, self-hosted or in the cloud | Free plan · from $9/mo | Lite plan on the hosted service: 1 project and up to 500 URLs per project, no credit card. The self-hosted Community edition is free with no plan limits. |
| LibreCrawlFree open-source SEO crawler you run in your own browser | Free | Everything. There is no paid plan. |
| Website CrawlerCloud SEO crawler, data scraper and page monitor priced by pages | Free plan · from $10/mo | Basic plan: 1,000 pages a month, 1 project, the HTML crawler, basic SEO reports, 3 page monitors and API access. Advanced reports show only 5 URLs. |
| CrawlCenterSimple cloud crawler with on-page SEO reports and a free plan | Free plan · from $3/mo | Basic plan: 1 project of up to 50 URLs, unlimited crawls and all reports, with ads. The project can be deleted once a month. |
| SEO TracerNative Mac and iOS SEO crawler that keeps crawl data on your device | Free plan · from $4.99/mo | Free download that crawls up to 500 pages per session, with no account or credit card needed. |
| LinkOKScheduled broken link checker priced by site size and scan frequency | Free plan · from $4/mo | Monthly scans of a site with up to 100 pages, with email reports, link retries and unlimited links. Reports are public. No credit card needed. |
| squirrelscanOpen-source site audit CLI whose fixes are written for coding agents | Free plan · from $19/mo | Local CLI audits are free and unlimited. A free account adds 500 cloud credits a month (about 5 cloud audits of up to 500 pages) and a weekly audit of one site. |
| WebmatikWebsite audit scoring SEO, speed, AI readiness and design together | Free plan · from $19/mo | 3 free checks a month: an estimated score range and every issue found by severity, with one explained in full. No credit card needed. |
Common questions
Which technical SEO tools are free?
49 of the 84 technical SEO tools in this directory are free or have a free plan. They are SiteGuru, Beam Us Up, Integrity, Visual SEO Studio, Spotibo, Siteliner, XML-Sitemaps.com, Dr. Link Check, Dead Link Checker, Xenu's Link Sleuth, SiteAnalyzer, Schema.dev, Schemantra, Redirection.io, Redirect.pizza and 34 more.
Which technical SEO tools are free with no paid plan?
Beam Us Up, Xenu's Link Sleuth, Schema.dev, Schemantra, sitespeed.io, Unlighthouse, Hreflang Tags Testing Tool, Google Search Console, PageSpeed Insights, Bing Webmaster Tools, Google Rich Results Test, Schema Markup Validator, Lighthouse, Chrome UX Report, Yandex Webmaster and 5 more have no paid plan. The others on this page limit the free plan and sell paid ones.
When was this checked?
Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.