How to perform a complete SEO audit step by step

Executive overview

Most websites have untapped ranking opportunities they can't see without a structured audit. A systematic audit covers five areas: keyword profile, technical health, content quality, on-page optimisation, and backlinks.

Low-hanging-fruit keywords (positions 2–15) are the highest-priority target — small improvements yield the biggest traffic gains.

Keyword profile audit

• Filter organic keywords to positions 2–15 first — these are your fastest wins
• Sort by volume to identify the highest-value targets within that range
• Group keyword variations with identical intent onto one page; only create new pages when intent differs
• Positions 16–50 are secondary targets; improvements to top-range pages often lift these via a domino effect
• Positions 51–100 often indicate intent mismatch — the ranking page isn't built for what the keyword actually needs
• Informational keywords need separate informational pages; don't try to rank transactional pages for informational queries
• For local businesses, geo-targeted keywords should drive all prioritisation

Technical audit

• Crawlability is the prerequisite for everything else — if Google can't crawl, it can't index, and if it can't index, it can't rank
• No page should be more than three clicks from the homepage; pages buried deeper signal low importance to Google
• Pages blocked via noindex should be audited — using noindex to hide thin content is worse than deleting the content
• Tag archives on small sites usually serve no purpose and create duplicate content; delete them
• Avoid using keyword-rich phrases as URL folder names for parent pages — all child pages inherit the folder and compete for the same keyword (keyword cannibalization)
• Use Screaming Frog to find cannibalization quickly: search by URL slug or title for repeated keyword patterns
• Consolidate pages targeting the same intent into one primary page; 301-redirect the others
• Core web vitals are a ranking factor — treat poor scores as a priority fix, not a cosmetic issue
• For small local sites, minor technical tweaks rarely move the needle; focus effort on keywords, content, and links

Content audit

• Use a content audit tool (e.g. SEMrush) integrated with Google Analytics and Search Console to categorise every page: rewrite/remove, update, review, or poor content
• For each underperforming page, check whether it ever ranked, how much traffic it receives, and whether it has backlinks worth preserving
• If scrapping a page that has backlinks, 301-redirect it to the replacement or a relevant existing page
• Don't apply SEO logic blindly — some low-traffic pages serve a business purpose (e.g. social proof, program marketing)
• Lean sites outperform bloated ones; removing or consolidating weak pages improves overall site quality

On-page SEO

• Use an on-page checker to get per-page recommendations tied to the target keyword
• Common gaps: missing keyword variations in body copy, poor readability, insufficient topical coverage
• If on-page fixes don't move rankings, the next levers are topical relevance (supporting content) and link acquisition

Backlink and anchor text audit

• Run a backlink audit at the root domain level to capture all inbound links
• Web 2.0 links and private blog network links are low-quality and should be removed or disavowed if aggressive
• A healthy anchor text profile is mostly branded or generic — a high proportion of exact-match anchors is a risk signal
• Disavow is rarely necessary unless the site has suffered negative SEO; most audits won't require it
• Once the profile is clean, focus shifts entirely to acquiring high-quality editorial links — geo-relevant and niche-relevant both count