Broken Link Checker: Find 404s, Redirects & Dead Links

Broken Link Checker - Find Dead 404 Links

logiover/broken-link-checker

Site-wide broken link checker: crawl any website, find 404 and dead links, export the link audit to CSV or JSON with source page and status code.

Security Headers Checker

pillowy_travel/security-headers-checker

Analyze HTTP security headers of websites and generate a security score. Detect missing headers like CSP, HSTS, X-Frame-Options, and more. Perfect for web security audits, vulnerability checks, learning, and automated monitoring.

List of URLs whose HTTP redirect chains will be analyzed

Expired Domains Finder — GoDaddy Auctions with SEO Metrics

hipersoft/godaddy-auctions-scraper

Find expired and auction domains from GoDaddy Auctions with price, bids, age, valuation, Majestic Trust/Citation Flow, backlinks, referring domains, SEMrush Authority Score, keyword search volume and CPC. Filter by TLD, keyword, price, age and SEO metrics. Export CSV/JSON.

Check website health: status codes, SSL certificates, response times, and redirect chains. Perfect for monitoring, SEO audits, and uptime verification.

Extract All Links From a Website: internal and external

steadydata/page-links-extractor

Extract all links from a website, up to 500 pages a run and 2,000 links per page: absolute URL, anchor text, internal or external, nofollow and rel, fragment and query flags, plus per page the counts of internal, external, nofollow, mailto and tel links. Robots-aware, no browser. Pay per link.

LinkedIn Company Employees Scraper | Profiles & Email

crawlkite/linkedin-company-employees

Find employees of target companies with title, location and experience filters. Choose basic profiles, full profiles or optional email search.

On-page SEO audit for a list of URLs or a capped crawl of a site: title and meta lengths, H1 to H3 outline, canonical, robots and noindex, hreflang, Open Graph, JSON-LD types, image alt text, links, redirects, word count, a 0 to 100 score and a fix list. Plain HTTP, obeys robots.txt.

Naked Domains Analyzer

jancurn/analyze-domains

Crawls and downloads web pages running on a list of provided naked domains e.g. "example.com". The actor stores HTML snapshot, screenshot, text body, and HTTP response headers of all the pages. It also extracts email addresses, phones, social handles for Facebook, Twitter, LinkedIn, and Instagram.

Get every URL of a website from its sitemaps: auto-discovery via robots.txt, nested indexes, .gz, RSS/Atom, lastmod filters, optional status-code checks and monitoring of new, changed and removed URLs. Failed sitemaps are free.