SEO that holds up when
the algorithm changes.
The Crawl Theory is an SEO resource centre built from real client work — not recycled listicles. Guides, playbooks, and news on technical SEO, content strategy, local SEO, link building, and AI search. Written by practitioners who've actually shipped the work.
Author's Picks
The guides we'd read first if we were starting from scratch.
Site Speed & Core Web Vitals: A Beginner's Guide to a Fast Website
Chapter 4 of the Technical SEO Guide for Beginners. Your pages can be found and stored — now make them load fast enough to win the click and the ranking.
A Timeline From 1991 to AI Search — and Why "SEO Is Dead" Has Always Been Wrong
You walked out of a meeting where someone forwarded a LinkedIn post titled "SEO is dead — move the budget to AI." Now you have to defend next quarter's spend. This is the ammunition.
The Most Common SEO Questions, Answered in Plain English
A no-jargon guide to the SEO questions everyone asks — with real numbers from 300+ websites, not theory.
What's moving in search, right now.
Algorithm updates, platform announcements, and industry signals — filtered for what's actually worth your attention. No SEO gossip. No clickbait. Just the updates that affect rankings.
A Timeline From 1991 to AI Search — and Why "SEO Is Dead" Has Always Been Wrong
You walked out of a meeting where someone forwarded a LinkedIn post titled "SEO is dead — move the budget to AI." Now you have to defend next quarter's spend. This is the ammunition.
Reddit Surges, Clicks Crash, and Google Reshapes the Rules: Your June 2026 SEO Roundup
From a 54% jump in Reddit's #1 rankings to 68% zero-click searches, here's what the May core update and Google's latest moves mean for working SEOs.
Google I/O 2026: Every Update That Matters for SEOs (And What to Do Now)
Google I/O 2026 didn't just announce new features. It rewrote the rules of organic search visibility.
Built from the field, not the feeds.
Long-form, field-tested guides that take a problem end to end — written by SEOs who ship this work for a living.
Google Business Profile for Beginners: The Complete Setup & Optimization Guide
Your free listing on Google is the single most powerful local marketing tool you are not fully using — here is exactly how to fix that.
Site Speed & Core Web Vitals: A Beginner's Guide to a Fast Website
Chapter 4 of the Technical SEO Guide for Beginners. Your pages can be found and stored — now make them load fast enough to win the click and the ranking.
Indexability in SEO: How to Get Your Pages Into Google's Index
Chapter 3 of the Technical SEO Guide for Beginners. Being crawlable isn't enough — your pages also have to be stored in Google's index before they can ever rank.
The resource library
Every resource here comes from a real problem we've had to solve on a real site. Pick your topic and dig in.
The Most Common SEO Questions, Answered in Plain English
A no-jargon guide to the SEO questions everyone asks — with real numbers from 300+ websites, not theory.
SEO Myths That Are Wasting Your Money
Ten beliefs that businesses are still paying for — and the evidence-backed reality behind each one, drawn from real client work.
Local Search Optimization: The Strategy Framework That Actually Works
Local search isn't about doing more — it's about building a system. Here's the four-pillar framework behind every business that consistently shows up in the Local Pack.
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- Technical SEO problems on a live site
- Article ideas you'd genuinely read
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