How to audit your website without an agency

Why agencies make this seem harder than it is

If you've ever asked a digital agency to look at your website, you've probably received a PDF full of graphs, traffic charts, competitor comparisons, and a list of 40 things that supposedly need fixing — roughly half of which are things the agency can conveniently help you with.

That's not entirely cynical. Agencies do find real issues. But the format — dense, jargon-heavy, structured to impress rather than inform — makes it nearly impossible for a non-technical business owner to know what to actually do first.

The truth is that a useful website audit doesn't require specialist tools or a retainer. It requires knowing which questions to ask, in what order. That's what this guide covers.

What a website audit actually is

A website audit is a structured review of how well your site is performing — not just in terms of traffic, but across everything that affects whether visitors find you, trust you, and take action.

That includes things like:

• → How fast your pages load
• → Whether Google can understand what your site is about
• → Whether your content clearly explains who you are and what you do
• → Whether there are visible trust signals — reviews, credentials, contact info
• → Whether visitors know what to do next (your calls to action)
• → Whether your images have proper labels for accessibility and search

Notice that none of those require you to understand what a canonical tag is, or what a crawl budget means. Most of what matters on a website is visible if you know what to look for.

The five areas worth checking yourself

1. Speed

Page speed is one of the few things Google has explicitly said it uses as a ranking signal. More importantly, it directly affects whether people stay on your site. Research consistently shows that pages taking longer than three seconds to load lose a significant portion of visitors before they've read a word.

The easiest way to check this yourself is Google's free PageSpeed Insights tool (pagespeed.web.dev). Enter your homepage URL and look at your mobile score — that's the one that matters most, since Google primarily uses the mobile version of your site to determine rankings.

A score above 90 is excellent. Between 50 and 89 means there are improvements worth making. Below 50 is a real problem. The tool also tells you specifically what to fix — look for "Largest Contentful Paint" and "Total Blocking Time" as the two metrics with the most impact.

2. SEO basics

You don't need to be an SEO expert to check whether your site has the basics in place. Open your homepage in a browser, right-click, and choose "View Page Source." Then search (Ctrl+F or Cmd+F) for the following:

• → <title> — Your page title. Should be descriptive, under 60 characters, and include what you do.
• → meta name="description" — Your meta description. Should summarise the page in plain language, under 160 characters.
• → <h1> — Your main heading. There should be exactly one per page, and it should clearly describe what the page is about.

These three alone account for a significant portion of how Google decides what your page is about. Missing or generic versions of any of them is a common and fixable problem.

3. Content clarity

Read your homepage as if you've never heard of your business. Within ten seconds, can you answer:

• → What does this business do?
• → Who is it for?
• → Why should I trust them?
• → What do they want me to do next?

If any of those are unclear, that's a content problem — and content problems are almost always more damaging to conversions than technical ones. A slow website loses visitors. A confusing one loses customers.

4. Trust signals

Trust signals are the things that tell a visitor — consciously or not — that you're a real, legitimate business. They include:

• → Customer reviews or testimonials with real names
• → A working contact page with an address, phone number, or email
• → An About page that mentions real people
• → An SSL certificate (your URL should start with https://)
• → Logos of clients, partners, or publications you've appeared in

A site that scores well on speed and SEO but poorly on trust signals will still struggle to convert. Visitors make trust decisions quickly — often before they've scrolled past the fold.

5. Mobile experience

Over half of all web traffic globally comes from mobile devices. Pull up your site on your phone right now. Ask:

• → Is the text readable without zooming?
• → Are buttons large enough to tap comfortably?
• → Does anything overlap or break the layout?
• → Does the page load in under three seconds on a normal mobile connection?

If the answer to any of those is no, that's a higher priority fix than most technical SEO issues.

What agencies check that you probably can't do manually

To be fair to agencies, there are things that are genuinely hard to check without tools:

• → Structured data — whether you have schema markup that helps Google understand your content type
• → Accessibility — whether screen readers can navigate your site, and whether contrast ratios meet accessibility standards
• → Open Graph tags — whether your pages show a proper image and title when shared on social media
• → Core Web Vitals in detail — the precise performance metrics Google uses, beyond a simple speed score

These aren't things you need to understand in depth — but they are things worth having checked, because they affect both search rankings and user experience in ways that aren't obvious from a manual review.

How to get a complete audit without paying for one

Running each of these checks manually across multiple pages takes time. A more practical approach is to use a tool that runs all of them at once and gives you a prioritised list of what to fix — without requiring you to know what LCP or ARIA labels mean.

That's what FlashAudit does. It checks your site across 13 categories — including all of the above, plus content quality, messaging, E-E-A-T signals, AI readiness, and psychology — and returns a plain-English report with findings sorted by impact.

You don't need a subscription or a developer to get started. A free audit takes under five minutes and shows you exactly where your site stands.