Most small business owners think about SEO in terms of adding things: more content, more links, better page titles. But sometimes the problem is the opposite. Some websites have too many pages being indexed by Google, pages that deliver no value to visitors, consume crawl budget and dilute the authority of the pages that actually matter.
This is called index bloat, and it affects a surprising number of websites, particularly eCommerce stores and older sites that have grown over time without much housekeeping.
Google has a finite amount of resource it allocates to crawling and indexing any given website. This is sometimes called crawl budget. When a site has hundreds or thousands of URLs that aren’t useful, Google spends time on those instead of the pages you actually want ranking.
Beyond crawl budget, having many thin or duplicate pages can also send signals to Google that your site doesn’t have much of substance to offer. Authority and trust that your domain has built up gets spread across a much larger number of pages, rather than concentrated on the ones that count.
SEO researcher Tom Capper, writing for Moz’s Whiteboard Friday, describes index bloat as a challenge that particularly affects medium to large websites, but it’s equally relevant for any site that has grown organically over several years.
The most common culprits are things that generate URLs automatically rather than through deliberate content creation. On eCommerce sites, these include pagination pages, filtered search results (pages created when a visitor selects a colour, size or price range), product variant pages that are nearly identical to each other and auto-generated tag or category pages with only one or two products.
On WordPress sites more generally, the common sources include tag archive pages, date archive pages, author archive pages and old draft or preview URLs that never got cleaned up. On any older site, there are often pages from previous products, old press releases, staff profiles for people who left years ago and landing pages from campaigns that are long finished.
The simplest way to check is to compare the number of pages Google has indexed with the number of pages you’d actually want someone to find. Open Google Search Console, go to the Index section and look at the Coverage report. If the number of indexed URLs is significantly higher than the number of real, useful pages on your site, there’s likely some bloat to address.
The fixes depend on the cause. Pages that exist but shouldn’t be indexed can be given a noindex tag. Thin or duplicate pages can be consolidated using canonical tags or redirects. Old pages that no longer serve any purpose can be deleted with a redirect from the old URL to the most relevant current page.
This kind of technical SEO housekeeping doesn’t generate new content or build new links, but it can meaningfully improve how Google allocates attention across your site. If you think your website might have this kind of issue, our SEO and website health audit covers it as standard. Get in touch to find out more.
