Engineering Knowledge Center

Knowledge Center

Clear, practical explanations of URL behavior and website health. These articles focus on evidence, troubleshooting, implementation, and verification—not jargon.

RedirectsTechnical SEOWebsite TrustMonitoring

What Is a Redirect?

Learn how HTTP redirects work, why websites use them, and how to test their final destination.

Read the complete guide

301 vs 302 Redirects

Understand the practical difference between permanent and temporary redirects and when to use each.

Read the complete guide

Redirect Chains: Causes, Risks, and Fixes

Find and shorten multi-hop redirect chains without breaking intended routing.

Read the complete guide

How to Find Broken Links

Build a repeatable broken-link audit using crawls, sitemaps, exports, and bulk validation.

Read the complete guide

Common HTTP Status Codes

A practical reference for 2xx, 3xx, 4xx, and 5xx responses during website audits.

Read the complete guide

How Website Trust Scores Work

Understand what a useful trust score can signal, what it cannot prove, and how to review the evidence.

Read the complete guide

How to Monitor Website Uptime

Choose critical URLs, sensible intervals, and an incident workflow for website monitoring.

Read the complete guide

Technical SEO Checklist

A practical technical review covering crawlability, status codes, redirects, sitemaps, and internal links.

Read the complete guide

Website Crawling Explained

Learn how crawlers discover internal URLs and where crawl results can be misleading.

Read the complete guide

XML Sitemap Guide

Create, validate, and audit XML sitemaps as reliable URL discovery sources.

Read the complete guide

Soft 404 Errors

Learn why a page can return 200 while behaving like a missing page and how to investigate it.

Read the complete guide

Complete Guide to SSL Certificates

Understand certificate validity, hostname coverage, chains, expiry, and common HTTPS failures.

Read the complete guide