Screaming Frog SEO Spider is a website crawler for Windows, macOS and Ubuntu used for technical SEO site audits. It audits sites for over 300 SEO issues and can find broken links, audit redirects, analyse page titles and meta data, and generate XML sitemaps. A free version is available.
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Python SEO Analyzer crawls websites to audit SEO, accessibility, performance, and technical page issues.
qiaomu-seo crawls websites to audit SEO, accessibility, performance, and technical page issues.
seo-audit-skill crawls websites to audit SEO, accessibility, performance, and technical page issues.
Seo-Promt-Master crawls websites to audit SEO, accessibility, performance, and technical page issues.
tech-seo-audit-skill crawls websites to audit SEO, accessibility, performance, and technical page issues.
Ahrefs' SEO Toolbar crawls websites to find broken links, redirects, and technical SEO issues.
Checkbot SEO checker checks page speed, performance, technical issues, and web quality signals.
laravel-missing-page-redirector checks redirects, missing pages, HTTP paths, or referer data for technical SEO workflows.
Redirect Path checks redirects, missing pages, HTTP paths, or referer data for technical SEO workflows.
aaron-marketing-skills crawls websites to audit SEO, accessibility, performance, and technical page issues.
ai-marketing-claude crawls websites to audit SEO, accessibility, performance, and technical page issues.
claude-skills crawls websites to audit SEO, accessibility, performance, and technical page issues.
crawlie crawls websites to audit SEO, accessibility, performance, and technical page issues.
geo-optimizer-skill crawls websites to audit SEO, accessibility, performance, and technical page issues.
LibreCrawl is a free, open-source SEO crawler offered as an alternative to Screaming Frog. It performs technical audits covering meta tags, schema markup, hreflang, social tags and PageSpeed metrics, and integrates Playwright for JavaScript rendering of single-page applications. The project is MIT-licensed and can be self-hosted, with CSV, JSON and XML exports. A REST API provides programmatic control of crawls.
A sorted list of technical on-page SEO best practices from 9elements, organized by HTML tags. It covers the title, meta description, heading, alt, canonical, Open Graph, responsive site meta and robots tags, with notes on recommended lengths and keyword use.
Server-side Rendering (SSR) Checker crawls websites to audit SEO, accessibility, performance, and technical page issues.
SiteAnalyzer is a website crawler for technical audits and SEO optimization. It scans site pages and checks more than 60 parameters, including broken links, duplicate pages, meta tags and server response codes. It offers integrations with Google Search Console, Yandex Webmaster and Yandex Metrica, internal PageRank calculation, site structure visualization and sitemap generation. A free version and a Pro plan are available.
Yandex Webmaster crawls websites to audit SEO, accessibility, performance, and technical page issues.
laravel-sitemap helps generate, validate, or manage XML sitemaps and robots files for search indexing.
next-sitemap helps generate, validate, or manage XML sitemaps and robots files for search indexing.
This project is a personal portfolio and blog template built with Astro.js. It is intended for showcasing projects and technical writing, and includes a blog with code highlighting, tag-based categorization, a project showcase, dark mode, responsive design, and SEO features. The stack includes React, Preact, Tailwind CSS, TypeScript and MDX; Node.js v18 or higher is required.
SEOMacroscope crawls websites to find broken links, redirects, and technical SEO issues.