Understanding Crawlability & Indexation
How search engines discover and index your pages. Covers robots.txt, sitemaps, and the fundamentals that determine if your content gets found.
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Step-by-step walkthrough of identifying technical issues. We'll cover tools, what to look for, and how to prioritize fixes that'll actually move the needle.
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Editorial Team
The CrawlAxis editorial team researches and documents practical technical SEO and site architecture guidance for Toronto-based agencies.
A technical audit is like getting a health check for your website. It's not about content quality or design aesthetics — it's about the behind-the-scenes infrastructure that search engines care about. You're looking for crawl errors, indexation problems, site speed issues, and structural problems that prevent Google from properly understanding your site.
Here's the thing: most agencies skip this step entirely. They jump straight to content creation or link building. But if your site has crawl issues or duplicate content problems, you're essentially throwing money at optimization work that won't stick. That's why we're starting here. Fix the foundation first.
The good news? You don't need to be a programmer to run an audit. You'll use tools, follow a checklist, and identify problems. Then you hand the findings to your developer with clear priorities. We'll walk through exactly how to do that.
You'll need three main tools. None of them are expensive — most have free versions that work perfectly for your first audit.
Google Search Console
This shows you crawl errors, indexation status, and search performance. It's free and absolutely essential. Set it up first if you haven't already.
Screaming Frog
Crawls your entire site and reports on broken links, redirect chains, missing metadata, and more. The free version covers sites up to 500 pages. That's plenty for most audits.
Lighthouse (built into Chrome)
Audits page speed, mobile-friendliness, and core web vitals. It's literally built into your browser. Right-click any page, select Inspect, go to Lighthouse, and run the audit.
Individual learning outcomes vary from person to person. The techniques and tools described here are designed to help you get started with technical SEO auditing. Your specific results will depend on your site's current state, the issues you discover, and how thoroughly you implement fixes.
Don't try to fix everything at once. Start by identifying the problems, then prioritize. Here's what you're checking for:
Crawl Errors: Check Google Search Console's Coverage report. Any 4xx or 5xx errors? Those pages won't index.
Mobile-Friendliness: Run a page through Mobile-Friendly Test. If it fails, you've got a serious problem.
Page Speed: Lighthouse gives you a score out of 100. Below 50 is slow. Below 75 needs work. Aim for 80+.
Duplicate Content: Screaming Frog will flag duplicate title tags and meta descriptions. Fix these.
Redirect Chains: Look for ABC redirects. These slow down crawling. Simplify to direct redirects.
You've got your audit results. Now what? You don't fix everything at once. You prioritize based on impact and effort.
Here's the priority framework: Fix critical issues first — things that prevent indexing or break core functionality. These include crawl errors affecting your top pages, missing mobile responsiveness, or server errors (5xx). These aren't optional. They're blocking you from ranking.
Next, tackle high-impact issues that are relatively easy to fix. Duplicate content? Takes a few hours. Poor Core Web Vitals? Could take days. Image compression? That's a quick win. Start with quick wins to build momentum.
Leave minor issues for later. A few missing alt tags or outdated robots.txt entries won't kill your rankings. Focus on what actually moves the needle.
Your first audit might uncover 50+ issues. That's normal. Don't panic. You're not fixing them all in a week. Create a timeline. Some fixes take 1 day. Some take 2-3 weeks. Break them into sprints — maybe 10 priority fixes this month, 15 next month. Your developer will appreciate the clear roadmap instead of a massive list of unorganized problems.
You've run your audit. You've identified issues. You've prioritized them. Now you've got a clear roadmap for fixing your site's technical foundation.
Remember: technical SEO isn't flashy, but it's essential. A site with solid technical health and weak content will outrank a site with great content but technical problems. So start here. Fix the foundation. Then layer in your content strategy on top of something stable.
Your next steps are straightforward. Share your prioritized audit findings with your developer. Set timelines. Track what's been fixed using your tools again. Then once the critical issues are resolved, you'll be ready to move into content optimization and link building with confidence that your site is actually working for you.
Learn more about site structure, crawlability, and indexation to build on what you've learned here.
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