How Often Should You Audit Your Website? (2026 Guide)

Have you ever launched a website, felt brilliant about it for a week, then quietly never looked under the bonnet again? You're in good company. Most site owners treat an audit like an MOT they keep meaning to book - right up until something breaks.

So let's answer the question properly. How often should you audit your website, what does "audit" actually mean in practice, and how do you build a schedule you'll genuinely stick to? I'll give you the honest answer, not the one that sounds impressive.

So, How Often Should You Audit Your Website?

For most websites, run a quick health check monthly, a deeper audit every quarter, and a full top-to-bottom review once a year. Higher-traffic and ecommerce sites should tighten that to weekly checks. The right frequency depends on how often your site changes and how much it earns you.

That's the short version. If you only remember one thing, remember the monthly-quarterly-yearly rhythm. The rest of this post is about why that works and how to make it realistic.

Why Audit Frequency Actually Matters

Websites are not static. They drift. Plugins update, content gets added, Google changes its mind, and the standards your site is measured against keep moving underneath you.

Here's the scale of that movement. Google launched 4,725 changes to Search in 2022 alone - roughly 13 every single day. You won't notice most of them, but a handful each year genuinely shift where you rank. Meanwhile the legal goalposts move too: the European Accessibility Act came into force on 28 June 2025, pulling a lot of ordinary commercial websites into scope for accessibility requirements for the first time.

The point isn't to panic. It's that a website you audited a year ago is being judged against this year's rules. Regular checks are how you catch slow drift before it becomes an expensive problem. If you want the full picture of what an audit covers and why it pays off, I've written a separate piece on what a website audit actually involves.

The Six Things You're Auditing (and How Fast Each One Drifts)

A proper website audit isn't one thing - it's six. Each pillar drifts at a different speed, which is exactly why a single "annual audit" misses so much.

Security - the fastest-moving and least forgiving. A plugin or framework vulnerability can appear overnight, and a missing header is a standing invitation. Check often. (More on this in the security headers every website needs.)
Performance - drifts gradually as you add images, scripts and third-party tags. You rarely notice your own site getting slower. Worth a regular look, since plenty of sites quietly fail Core Web Vitals without realising.
Accessibility - drifts every time someone publishes a new page, image or form. New content is where most new barriers appear. Here's how to check your site's accessibility.
SEO - moves with both your content and Google's algorithm. Broken links, lost redirects and thin pages creep in over months.
Content quality - decays. Statistics go stale, advice dates, and pages that ranked two years ago slowly slide.
AI readiness - the newest pillar. How easily answer engines like ChatGPT and Perplexity can read and cite your site is now worth tracking in its own right.

If you'd like a checklist that walks through all six pillars before you audit, we've packaged an 85-point version into a free resource (/resources/website-health-checklist) - handy for turning "I should check my site" into an actual list.

A Simple Website Audit Schedule

Here's the website maintenance schedule I'd recommend for a typical business site. Adjust the dial up if your site is busy, down if it barely changes.

Monthly - the quick health check (15-30 minutes) Scan for new security issues, broken links, and any pages that have slipped on speed or accessibility since last month. This is the equivalent of glancing at your dashboard warning lights. Fast, shallow, and the single most valuable habit you can build.

Quarterly - the deeper audit (half a day) Review all six pillars properly. Re-test Core Web Vitals on your key templates, check accessibility on anything published since last quarter, review your top landing pages for content decay, and confirm your security headers and SSL are still in order. This is where you catch the slow drift.

Annually - the full review (one to two days) Step back and look at the whole site. Crawl every page, reassess your site structure and internal linking, retire or rewrite dead content, and sanity-check the whole thing against the current year's standards and legal requirements. Pair this with your wider planning so fixes actually get scheduled.

Always - after anything significant A schedule covers the routine. Real life doesn't run to a calendar, which brings us to triggers.

When to Run an Audit Right Now (the Triggers)

Run an audit immediately after any major change to your site, regardless of where you are in the schedule. The biggest problems almost always appear right after something changed, not during a quiet month.

Trigger an off-schedule audit when you:

Launch or redesign the site, or migrate to a new platform or host. (A pre-launch pass against a website launch checklist saves a lot of pain here.)
Change CMS, theme or major plugins - these touch security, performance and accessibility all at once.
See a traffic drop you can't explain, especially after a known Google update.
Add a big batch of content, a new section, or a new checkout flow.
Take payments or handle personal data for the first time, where security and compliance suddenly matter far more.

In my honest opinion, the post-change audit is the one people skip most and regret most. The redesign that "looked fine" is the classic culprit for a sudden drop in accessibility or speed.

How Often Should Different Types of Site Be Audited?

Not every site needs the same cadence. The two questions that decide it are: how often does this site change, and how much does a problem cost when it goes unnoticed?

Small brochure site (a few pages, rarely updated): quarterly quick checks and one solid annual audit are plenty.
Active blog or content site: monthly checks, with extra attention on accessibility and content quality as you publish.
Ecommerce store: this is the demanding one. Weekly security and uptime checks, monthly performance and accessibility reviews, and a thorough quarterly audit. Downtime and broken checkouts cost real money, and a store under the European Accessibility Act has compliance riding on it too.
Lead-generation or SaaS site: monthly checks with a close eye on performance and forms, since a slow or broken form is lost revenue you never see.

The pattern is simple: the more your site earns and the more often it changes, the more often you check it.

Can You Realistically Keep This Up?

Honestly? A fully manual audit across all six pillars takes hours, and almost nobody does that monthly by hand. That's the real reason audits get skipped - not laziness, but time.

This is where automation earns its keep. A manual deep-dive once or twice a year is worth doing properly, but the monthly and weekly checks should be automated so they actually happen. Tools like Google's Lighthouse and PageSpeed Insights cover performance, and there are solid free options for individual pillars. The catch is that running five separate tools, each with its own dashboard, is its own kind of admin - which is exactly the problem an all-in-one website audit is meant to solve.

The best schedule is the one you'll keep. A shallow check you actually run every month beats a perfect audit you keep meaning to do.

The Bottom Line

How often should you audit your website? Monthly for a quick health check, quarterly for a proper review, annually for the full treatment, and immediately after any big change. Tune the frequency to how much your site changes and how much it's worth to you. For the complete picture, our complete guide to website audits ties all six pillars together.

If you'd like to see how your site is doing right now across security, performance, accessibility, SEO, content and AI readiness, run a free audit with Kritano and I'll show you exactly where the drift has crept in.

Frequently Asked Questions

How often should a small business audit its website?

A small business with a fairly static site should run a quick health check each quarter and one full audit a year. If you publish regularly or take payments online, move to monthly checks. The more your site changes, the more often it needs looking at.

How often should you do an SEO audit?

Do a light SEO check monthly for broken links, indexing issues and ranking drops, and a thorough SEO audit quarterly. Run one immediately after a major Google update or an unexplained traffic drop, since those are when ranking problems usually appear.

How often should you check website accessibility?

Check accessibility every time you publish new pages, images or forms, because that's where new barriers appear, and run a full accessibility audit at least quarterly. Sites in scope of the European Accessibility Act should treat this as ongoing rather than a one-off.

Is it worth auditing your website every month?

Yes, but only if the monthly check is quick and automated. A 15-30 minute scan for new security issues, broken links and performance drops catches most problems early. Save the deep, time-consuming review for once a quarter so the monthly habit stays sustainable.