How 404Links Works

From sign-up to fixing SEO issues — here's exactly how our automated SEO monitoring tool helps you keep your website healthy.

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1 Step 1

Sign Up — Free & Fast

Create your account using your email or Google. No credit card required. You'll be ready to monitor your first site in under 30 seconds.

https://yoursite.com Start Scan Paste your URL My First Site My Blog Business Site Ready Ready Your site dashboard
2 Step 2

Add Your Website

Enter your site URL and click "Start Scan." No sitemap required — our crawler automatically discovers every page on your site using BFS (Breadth-First Search).

Scanning: 12 / 24 pages HomepageOK 200 About UsOK 200 ServicesOK 200 Broken Page404 Contact...
3 Step 3

Automatic Crawl

Our BFS crawler scans every page it finds — following links, checking HTTP status codes, and building a complete picture of your site's health in real time.

Issues Found: 14 Broken link on /about.html Missing meta description on /services Short title on /contact.html Missing alt text on 3 images Broken link: document.pdf
4 Step 4

Issue Detection

Each issue is categorized by severity (Critical, High, Medium, Low) and type — broken links, missing meta descriptions, short titles, missing alt text, H1 issues, and more.

Fix Suggestion Missing Meta Description Add a meta description tag to your page's head section. Keep it 120-160 characters. Broken Link The link points to a 404 page. Update or remove the broken URL.
5 Step 5

Fix & Improve

Each issue comes with a clear fix suggestion. Mark issues as resolved, rescan specific URLs, or export the full report as CSV or PDF to share with your team.

Weekly SEO Report — yoursite.com Health Score: 85/100 Pages: 24 Open Issues: 2 1 3 5 Last Scan: Mar 15, 2026 View Full Report Delivered to your inbox every week
6 Step 6

Weekly Monitoring

Sit back and relax. We automatically re-scan your site every week and send you an email report with health scores, new issues, and resolved items. No manual effort needed.

Ready to Check Your Site?

Get started free — no credit card required. Your first scan is on us.

Start Free Scan