By Ajay Maheshwari · Updated Jul 29, 2026
Ajay Maheshwari is the founder of Diginex-US, with 5+ years of hands-on experience in SEO, including international freelance projects for clients across multiple countries. He holds a Digital Marketing certification and has pursued formal training in Data Science.
A technical SEO audit isn't about your content or keywords — it's about whether search engines can actually crawl, understand, and index your site correctly in the first place. You can have the best content in your industry, but if Googlebot can't reach a page, can't parse your page speed, or gets confused by broken internal links, none of that content matters.
Why this matters before you buy a tool: Every SEO platform we review — SE Ranking, Semrush, Ahrefs — runs some version of this audit automatically. Understanding what they're actually checking helps you read their reports instead of just staring at a score.
Confirm Google can actually reach your pages. Check your robots.txt file isn't
accidentally blocking important sections, and use Google Search Console's Coverage report to see
which pages are indexed versus excluded, and why.
Run your key pages through Google's PageSpeed Insights. Look specifically at Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), and Interaction to Next Paint (INP) — these three now directly affect ranking, not just user experience.
Broken internal links waste crawl budget and confuse both users and search engines. Redirect chains (A → B → C instead of A → C directly) slow down crawling and dilute link equity with every extra hop.
Confirm every page has a clear canonical tag pointing to itself (or the correct primary version), and check for accidental duplicate content — common with e-commerce filters and URL parameters creating near-identical pages.
Google indexes the mobile version of your site first (mobile-first indexing). Use Search Console's Mobile Usability report to catch text too small to read, clickable elements too close together, or content wider than the screen.
Validate your schema markup (Review, FAQ, Product, Article, etc.) using Google's Rich Results Test. Correct schema is what makes your pages eligible for rich snippets, star ratings, and featured results in search.
Running all six steps manually is possible but slow. Most SEO platforms automate this into a single scored report:
115+ automated audit checks, budget-friendly for small businesses running audits regularly.
Deep technical audit combined with content and competitor analysis in one platform.
Strong technical crawler, particularly thorough on internal linking and crawl-budget issues.
Read our full breakdowns: SE Ranking review, Semrush review, or Ahrefs review — or see the full SEO tools comparison.
An audit is only useful if you act on it. Prioritize fixes in this order: crawlability and indexing issues first (nothing else matters if Google can't see the page), then Core Web Vitals, then broken links and duplicate content, and finally schema markup as a polish step. Re-run the audit after each round of fixes to confirm the score is actually improving, not just changing.