Technical SEO Audit Checklist for Business Websites
Find the technical problems that stop your website from ranking, in the order that matters.
Most websites lose search traffic to a handful of technical problems that nobody notices because the pages look fine in a browser: a canonical tag pointing at the wrong URL, JavaScript that hides content from crawlers, a sitemap full of redirects, slow mobile pages, or structured data that never validated. This checklist is the exact sequence our technical SEO team works through on every audit.
It is organised so you can run it yourself in an afternoon with free tools, or hand it to a developer as a specification. Each item says what to check, which tool to use, what "good" looks like and how serious a failure is, so you fix the problems that cost you rankings before the ones that only cost you a green tick.
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What is inside
- Crawlability and indexing: robots.txt, sitemap hygiene, noindex traps, crawl budget
- Canonicalisation: duplicate hosts, trailing slashes, parameters, self-referencing canonicals
- Site architecture and internal linking: depth, orphan pages, anchor text, navigation links
- Core Web Vitals: LCP, INP and CLS thresholds and the usual causes of each
- Mobile usability, viewport, tap targets and font sizes
- Structured data: Organization, Service, Product, Article, FAQ and Breadcrumb, with validation steps
- Titles, descriptions and headings: length limits, duplication and intent matching
- HTTPS, security headers, redirects and status codes
- Images: alt text, formats, lazy loading and image sitemaps
- JavaScript rendering: what Googlebot can and cannot see
- International and multi-location signals where relevant
- Measurement setup: Search Console, GA4 conversion events and rank tracking
Who it is for
- Marketing managers who own a website but not the code
- Founders whose site gets traffic from ads but not from Google
- Developers asked to "fix SEO" without a clear specification
- Agencies that need a repeatable audit process
How to use it
- Run it before a redesign or migration to set a baseline
- Use it as the acceptance checklist for a new website build
- Score your site against a competitor to see where you are losing
- Repeat it quarterly and after every major release
How you receive it
- 1. Fill in the short form above with your company email and mobile number.
- 2. A member of our team checks the request. This is a person, not an automated download link.
- 3. You receive the document by email, usually within one business day, with an offer of a free call if you want help applying it.
Want us to do this for you?
This guide comes from our SEO & Digital Marketing practice. If you would rather have our team run it, scope it and fix what it finds, start with a free consultation.