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Broken Link Checker vs Web4 Browser

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Broken Link Checker compared with Web4 Browser
DetailBroken Link Checker logo Broken Link CheckerWeb4 Browser logo Web4 Browser
What it doesFree Chrome extension that detects broken links, 404 errors, and redirects on any webpage AI antidetect browser and multi-account workspace with true-to-device browser identity
StageNot given Not given
FoundedNot given Not given
Based inNot given HK
Pricing modelFreemium Freemium
PricingFree plan: up to 150 links per scan. Lifetime License: $9.50 one-time (50% off, normally $19), includes unlimited links per scan, sitemap health checker, bulk URL checker (20 at a time), image checker, scan history, stats dashboard, and PDF export. Free plan includes 3 browser environments with no team members. Starter at $9/month provides 15 environments. Small Team at $19/month includes 1 team member and 55 environments. Popular at $39/month includes 2 team members and 125 environments. Scale Team at $69/month includes 4 team members and 250
Key features
  • Color-coded link status results (red for broken, yellow for redirects, green for working)
  • Detects 404 errors, 500 server errors, timeouts and unreachable URLs
  • Identifies 301 and 302 redirects with destination URLs
  • CSV export of scan results
  • Focus Mode to highlight individual links on the page
  • Real-time progress bar during scans
  • Filter results by status
  • Sidebar panel for results review
  • Sitemap health checker (Lifetime License)
  • Image checker to flag broken images (Lifetime License)
  • Isolated browser profiles with persistent identity and session data
  • Real-device fingerprinting and AI environment modeling
  • Per-profile proxy and network configuration
  • Browser automation with visual workflows and headless execution
  • Team permissions, roles, and activity logging
  • AI browser workflows and MCP skill integration
  • Multi-environment grouping and workspace organization
  • Profile template copying and batch creation
What makes it different
  • No account or sign-up required
  • Runs entirely in your browser with no data leaving your device
  • Only runs when you click Scan, does not slow down browsing
  • Works on any website including password-protected pages
  • Free to install and use with no credit card required
  • Real-device signals and AI environment modeling instead of manual parameter mixing
  • Isolated execution boundaries with team-level access control and activity logging
  • Unified workspace for profiles, proxy routing, automation, and team handoffs
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)43 no change since last check44 no change since last check
Trust Flow (Majestic)78
Citation Flow (Majestic)2526
Referring domains (Majestic)3654

5 details filled in for both companies.

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