Best Free Tools to Check Website Links: A 2026 Comparison

The right tool for link checking depends on your workflow. Here's a comprehensive breakdown of the best free options available.

Use a standard web crawler reference to compare how tools execute site scans.

DeadLinkTool (Our Recommendation)

Strengths:

• Fast scanning of websites, WordPress sites, and GH READMEs
• No installation required—works in your browser
• Handles Markdown links perfectly
• Real-time reporting

Best for: Quick audits, developers, content creators

Screaming Frog SEO Spider (Free Version)

The free version crawls up to 500 URLs, making it perfect for small to medium sites. Ideal for those who want deeper technical SEO insights alongside link checking.

Google Search Console

Not a dedicated link checker, but it shows 404s that Google itself has found. Essential for any site—always check here first before running other tools.

W3C Link Checker

The official W3C tool. It's free and works offline, but it's slower and less user-friendly than modern alternatives.

📊 Quick Comparison Table

Speed: DeadLinkTool > Screaming Frog > W3C

Ease of Use: DeadLinkTool ≥ Screaming Frog > W3C

Markdown Support: DeadLinkTool > Others

SEO Insights: Screaming Frog > Others

Expert references

For official information on SEO and links, refer to Google redirects guide and Wikipedia: Crawl budget.