Automatic Link Checker

Highlight links by type (dofollow, nofollow, sponsored, UGC) with per-type controls. Does not run on search engine results pages.

Automatic Link Checker instantly highlights every link on any webpage by its rel type — dofollow, nofollow, sponsored, or UGC — so you can analyze a page's link profile at a glance without any manual inspection. Perfect for SEO professionals, digital marketers, content writers, and link builders who need to quickly understand how links are tagged on any page. 🟢 Dofollow — Links that pass SEO value 🔴 Nofollow — Links marked as nofollow 🟡 Sponsored — Paid or affiliate links 🟣 UGC — User-generated content links KEY FEATURES: ✔ Automatic highlighting — works instantly on page load ✔ Per-type toggles — show or hide each link type individually ✔ Master on/off switch — disable highlighting with one click ✔ Saved preferences — your settings are remembered across sessions ✔ SPA friendly — detects dynamically loaded links too ✔ Clean & lightweight — no tracking, no ads, no data collection ✔ Does NOT run on search engine results pages (SERP) Whether you're doing an SEO audit, reviewing guest posts, checking affiliate disclosures, or analyzing competitor pages — Automatic Link Checker gives you instant visual clarity without slowing down your browser.