Most websites have been accumulating content for years. Some of it ranks and converts. A lot of it does neither. It just sits there, crawled but ignored, quietly signalling to Google that the domain is partly low-quality. A content audit is the systematic process of finding that dead weight and deciding what to do with each piece.
Done well, a content audit can lift the rankings of a whole site without writing a single new article, just by cleaning up what is already there. Here is how to run one.
Step 1: Inventory every page
Pull a complete list of every indexable URL on the site. For each one, gather the data that matters: organic sessions over the last 12 months, impressions and clicks from Search Console, the keywords it ranks for and their positions, the number of internal and external links pointing to it, and the last meaningful update date.
This inventory is the foundation. Without the data, the audit is guesswork.
Step 2: Categorise each page
Every page falls into one of five buckets. Performers: ranking and getting traffic, leave them alone or improve them. Close calls: ranking on page two, with potential, prioritise these for improvement. Underperformers: indexed but getting almost no traffic despite being on-topic, candidates for a rewrite. Redundant: covering a topic another page covers better, candidates for merging. Dead weight: off-topic, outdated, or thin with no path to relevance, candidates for removal.
Step 3: Fix the close calls first
Pages ranking on page two are the highest-ROI target in any content audit. They are already relevant, already indexed, already close. A focused improvement, better depth, updated information, improved internal linking, stronger schema, can push them onto page one where the traffic actually lives. This is the fastest win a content audit produces.
Step 4: Merge the redundant pages
When three thin pages each half-cover the same topic, they compete with each other and none of them ranks well. Merging them into one comprehensive page, then 301 redirecting the old URLs to it, consolidates the authority and usually outranks what the three separate pages ever did. Internal cannibalisation is one of the most common and most fixable SEO problems.
Step 5: Deal with the dead weight
Genuinely dead pages, off-topic, outdated, thin, with no realistic path to relevance, are a liability. Google’s quality assessment looks at the whole domain. A site that is 30 percent dead weight is a site Google trusts less overall. The options are to improve, redirect to a relevant page, or remove and let the URL return a clean 410. Removing dead weight genuinely lifts the pages that remain.
Step 6: Update the performers
The pages that already perform are not finished. Content decays. Information goes stale, competitors publish deeper work, search intent shifts. A scheduled refresh of the top-performing pages, updating data, expanding depth, improving structure, protects the traffic that matters most. Refreshing a proven performer is often higher ROI than writing something new.
How often to audit
A full content audit once a year is enough for most sites. A lighter quarterly check, scanning Search Console for pages that have lost traffic, catches decay between full audits. After a major Google update is also a sensible time to audit, to understand what shifted and why.
The mindset shift
Most businesses think about content as a publishing problem: what should we write next. A content audit reframes it as a portfolio problem: what do we already own, what is each piece worth, and where should the next hour of effort go. For sites with years of accumulated content, the portfolio view almost always finds more value than the publishing view.
Content audits are detailed, data-heavy work, and the value is in the disciplined execution rather than the concept. Sydney SEO Partner’s content strategy service includes full content audits as a standard early deliverable, because for established sites the audit usually surfaces more quick wins than any amount of new content. If your site has a lot of content but uneven results, a free SEO audit is the place to start.
