How to Conduct a Website Audit

Your website is leaking traffic. Maybe a lot of it, and most of the time, you won't know until you run a proper website audit.

Broken links, slow load times, thin content, missing meta tags, crawl errors - these things quietly kill your rankings while you're busy doing everything else. A website audit brings all of that to the surface so you can actually fix it.

This guide walks you through exactly how to conduct a website audit in 2026, from setting your goals to building a prioritized action plan. Whether you're an SEO professional doing this for a client, a business owner checking in on your own site, or a digital marketing manager running quarterly reviews, you'll find a process here that works.

Let's get into it.

A website audit is a full review of your site's health. It looks at everything that affects how well your site performs in search engines and how users experience it when they arrive.

Think of it like a health check. You're not waiting for something to break. You're proactively finding what's already broken, what's underperforming, and what could be doing much better with a few targeted fixes.

The Real Cost of Skipping an Audit

most site owners don't run audits until something goes obviously wrong. Traffic drops. Rankings tank. Conversions dry up. By then, the damage is done and tracing it back takes twice as long.

In 2026, search engines are smarter than ever. Google's AI-driven ranking systems are far better at detecting technical issues, thin content, and poor user experience. Sites that ignore regular audits are falling behind - fast.

The cost isn't just SEO rankings, either. It's trust. A site with broken pages, slow load times, or confusing navigation drives users away before they convert.

What a Website Audit Actually Covers

A full website audit typically reviews six major areas:

• Technical SEO - crawlability, indexation, site structure, and errors
• On-page SEO - title tags, meta descriptions, headings, and keyword usage
• Content quality - relevance, depth, duplication, and freshness
• Backlink profile - authority, toxic links, and link gaps
• Site speed and Core Web Vitals - load time, interactivity, and visual stability
• Mobile usability - how your site looks and functions on phones and tablets

Each of these areas affects your visibility and your users. A proper audit checks all of them - not just one or two.

There's no single "right" way to run a website audit, but there is a logical order. Starting in the wrong place wastes time and can lead to overlapping fixes. Follow this sequence and you'll cover everything systematically.

Step 1: Set Clear Goals Before You Start

Don't just "run an audit." Know why you're running it.

Are you seeing a traffic drop? Trying to improve conversions? Getting ready for a site redesign? Planning a content refresh? Your goals should shape which areas of the audit you prioritize.

Write down your top three goals before you open any tool. It sounds simple. Most people skip it. Don't.

Step 2: Crawl Your Website

The crawl is your starting point. It gives you a full inventory of every page on your site, plus a list of technical issues flagged automatically.

Tools like Semly Pro, Screaming Frog, or Semrush's site audit feature can crawl your site and surface errors like:

• Broken links (404 errors)
• Redirect chains and loops
• Missing or duplicate title tags
• Missing meta descriptions
• Pages blocked by robots. txt or noindex tags
• Orphan pages with no internal links pointing to them

Export the full crawl report. You'll reference it throughout the rest of your audit.

Step 3: Check Your Technical SEO Health

Technical SEO is the foundation. If search engines can't crawl and index your site properly, nothing else matters.

Key things to check here:

• XML sitemap - Is it submitted to Google Search Console? Is it up to date?
• Robots. txt - Is it blocking pages it shouldn't be?
• HTTPS - Is your site fully secure? Any mixed content warnings?
• Canonicalization - Are canonical tags set correctly to avoid duplicate content?
• Structured data / Schema markup - Is it implemented and error-free?
• Hreflang tags - If you have a multi-language site, are these correct?
• Crawl depth - Are important pages reachable within three clicks from your homepage?

Fix critical errors first. Warnings come second. Informational issues can wait.

Step 4: Audit Your On-Page SEO

Once your technical foundation is solid, move to individual pages. On-page SEO is where a lot of quick wins hide.

For each key page, check:

• Is the title tag unique, descriptive, and within 60 characters?
• Does the meta description exist and give users a reason to click?
• Is the primary keyword used naturally in the H1, first paragraph, and subheadings?
• Are heading tags (H1, H2, H3) used in the right hierarchy?
• Are images optimized with descriptive alt text?
• Do URLs follow a clean, readable structure?

You don't need to do this manually for every page. Use your crawl report to flag the pages with missing or duplicate tags, then audit those first.

Step 5: Review Your Content Quality

This is the step most people rush. Don't.

Content quality is one of the biggest ranking factors in 2026. Google's systems are good at detecting thin, outdated, or duplicate content - and they reward sites that invest in genuinely useful, well-written pages.

During your content audit, look for:

• Thin pages - Pages with under 300 words that offer little value
• Duplicate content - Multiple pages targeting the same topic or keyword
• Outdated content - Pages referencing old stats, discontinued products, or irrelevant information
• Keyword cannibalization - Two or more pages competing for the same keyword
• Content gaps - Topics your audience searches for that you haven't covered yet

Decide for each page: update it, merge it with another page, redirect it, or remove it. Those are your four options. Pick one and move on.

Step 6: Analyze Backlinks and Authority

Your backlink profile tells you how the rest of the web sees your site. A strong profile with quality links from relevant, authoritative sites boosts your rankings. A toxic profile full of spammy or irrelevant links can hurt them.

Here's what to check:

• Total number of referring domains and backlinks
• Domain authority or domain rating of linking sites
• Anchor text distribution - is it natural and varied?
• Toxic or spammy links that might need disavowing
• Lost backlinks - links you had that are now gone
• Competitor link gaps - sites linking to competitors but not to you

Backlink analysis doesn't need to happen monthly. Once a quarter is usually enough, unless you've seen a sudden drop in rankings.

Step 7: Test Site Speed and Core Web Vitals

Site speed is a confirmed Google ranking factor, and in 2026, Core Web Vitals are more important than ever. Slow sites don't just rank lower - they lose visitors before the page even loads.

Your three Core Web Vitals to check:

• LCP (Largest Contentful Paint) - How long until the main content loads. Target: under 2.5 seconds.
• INP (Interaction to Next Paint) - How responsive your page is to user input. Target: under 200 milliseconds.
• CLS (Cumulative Layout Shift) - How much the page visually shifts during load. Target: under 0.1.

Use Google PageSpeed Insights or Google Search Console's Core Web Vitals report to find pages that need work. Common fixes include compressing images, minifying CSS and JavaScript, and using a content delivery network (CDN).

Step 8: Check Mobile Usability

More than 60% of global web traffic comes from mobile devices. If your site is hard to use on a phone, you're losing more than half your potential audience.

Google also uses mobile-first indexing, meaning the mobile version of your site is what it crawls and ranks.

Check for:

• Text that's too small to read without zooming
• Buttons or links placed too close together
• Content wider than the screen
• Intrusive pop-ups that block content on mobile
• Touch elements that are too small to tap accurately

Google Search Console has a Mobile Usability report. Start there. It'll show you exactly which pages have issues and what's causing them.

Step 9: Review Analytics and Search Console Data

Numbers don't lie. Your analytics and Search Console data give you context that a crawler can't - they show you what's actually happening with real users and real search traffic.

In Google Analytics 4, look at:

• Pages with high traffic but low conversion rates
• Pages with high bounce rates (especially if they're supposed to drive leads)
• Traffic sources - where are your visitors actually coming from?
• Goal completions by landing page

In Google Search Console, check:

• Pages with high impressions but low click-through rates (CTR) - these need better title tags
• Keywords you're ranking on page two for - these are your quickest wins
• Pages with crawl errors or index coverage issues
• Manual actions or security issues

Cross-reference this data with your crawl report. A page that has technical issues AND a high bounce rate is a double priority.

Step 10: Build Your Action Plan

An audit without an action plan is just a list of problems. That's not useful.

Once you've gathered all your findings, organize them by priority:

1. Critical fixes - Things breaking your site (crawl errors, HTTPS issues, major technical faults)
2. High-impact improvements - Changes likely to move rankings or conversions (page speed, on-page SEO, content rewrites)
3. Quick wins - Low-effort, meaningful improvements (fixing title tags, compressing images)
4. Long-term projects - Content creation, link building, structural changes

Assign owners. Set deadlines. Track progress. Otherwise, the list just sits there.

If you're doing website audits regularly - whether for clients or your own properties - you need a tool that does more than just flag errors. You need something that helps you act on them.

Semly Pro is built for exactly that. It combines content auditing, AI visibility tracking, and SEO analysis in one place so you're not jumping between five different platforms to get the full picture.

What Semly Pro Does During a Website Audit

Semly Pro's audit tools go beyond a basic crawl. Here's what you get:

• Content audits per month - 15 on the Pro plan, 40 on Business Pro, and unlimited on Managed SEO
• AI visibility score - See how your content performs across AI-powered search tools like ChatGPT and Perplexity
• AI competitor detection - Spot where competitors are outranking you in AI search results
• LLMs. txt generation - Automatically create and optimize your LLMs. txt file (Business Pro and Managed SEO)
• Google Search Console integration - Pull your real ranking data directly into your audit workflow
• Google Analytics 4 integration - Connect traffic data to your content performance metrics
• Schema optimization - Done for you on the Managed SEO plan

The Managed SEO plan also gives you a dedicated Semly Pro-trained SEO strategist who runs your audits weekly and delivers a monthly performance review. That's not a chatbot. That's a real person.

How Semly Pro Compares to Other Tools

Here's a factual comparison across the major website audit and SEO tools available in 2026:

The big differentiator? Semly Pro is the only tool in this comparison that tracks AI search visibility alongside traditional SEO metrics. in 2026, that matters more than most people realize.

There's no shortage of tools out there, but more options doesn't mean easier choices. Here's how to cut through the noise.

Key Features to Look For

Not every audit tool is built the same. When you're evaluating options, look for these must-have capabilities:

• Site crawling - Can it crawl your full site and export a detailed report?
• Technical SEO checks - Does it flag HTTPS issues, redirect chains, missing tags, and crawl errors?
• Content auditing - Can it analyze page-level content quality, not just technical errors?
• Integration with Search Console and GA4 - You need real traffic data alongside crawl data
• AI visibility tracking - In 2026, this isn't optional anymore
• Actionable recommendations - Does it tell you what to fix and why, or just what's broken?
• Reporting and export - Can you share findings with clients or stakeholders easily?

If a tool can't do all of these, you'll end up cobbling together a workflow from multiple platforms. That wastes time and creates data gaps.

Pricing and Value Comparison

Semly Pro offers three tiers, all with content audit capabilities included:

Every plan includes a 7-day free trial. No commitment. You can run your first audit before spending a cent.

Pro tip: If you need more audit capacity than your plan allows, Semly Pro lets you add a 10 Article Pack for €27/mo or a 25 Article Pack for €55/mo. You're not locked into upgrading your whole plan just to get a bit more capacity.

Running audits is the right move. Running them badly wastes weeks. Here are the mistakes that trip up even experienced SEOs.

Fixing everything at once. You can't, and trying to will burn your team out and slow your results. Prioritize ruthlessly. Work on critical issues first.

Auditing only technical SEO. Technical health matters, but it's just one piece. Sites with perfect technical scores still fail when the content is thin or the backlink profile is weak.

Ignoring the audit after it's done. An audit is a snapshot in time. Your site changes. Google's algorithms change. Your competitors change. Plan to run a full audit at least once a quarter, and a lighter review monthly.

Not tracking improvements. If you don't measure before and after, you'll never know what worked. Record baseline metrics before you start fixing anything.

Treating all errors equally. Your crawl report might show 500 issues. That doesn't mean all 500 are equally important. A broken internal link on a blog post from three years ago is not the same as a missing canonical tag on your homepage.

Skipping mobile and speed checks. These aren't "extra" - they're essential. Google's ranking systems weigh both heavily.

Auditing without business context. SEO metrics without business context are just numbers. Always tie your audit findings back to what actually matters: traffic, leads, revenue.

Use this checklist every time you run a website audit. Print it out. Save it to Notion. Whatever works for you.

Technical SEO

• Crawl completed and exported
• XML sitemap submitted and current
• Robots. txt reviewed
• HTTPS confirmed site-wide
• Redirect chains identified and fixed
• Canonical tags correct
• Structured data validated
• Orphan pages identified
• Crawl depth checked (key pages within 3 clicks)

On-Page SEO

• Title tags unique and under 60 characters
• Meta descriptions present on all key pages
• H1 tags correct and keyword-relevant
• Heading hierarchy logical (H1 > H2 > H3)
• Alt text on all images
• URLs clean and descriptive

Content

• Thin pages identified and actioned
• Duplicate content flagged and resolved
• Outdated content updated
• Keyword cannibalization fixed
• Content gaps documented

Backlinks

• Total referring domains reviewed
• Toxic links identified for disavow
• Lost backlinks noted
• Competitor link gaps analyzed

Speed and Core Web Vitals

• LCP under 2.5 seconds
• INP under 200ms
• CLS under 0.1
• Images compressed
• CSS and JS minified

Mobile Usability

• Mobile Usability report reviewed in Search Console
• Text readable without zooming
• Tap targets appropriately sized
• No intrusive interstitials

Analytics and Search Console

• High-impression, low-CTR pages identified
• Page-two rankings documented for quick wins
• High-bounce pages reviewed
• Crawl errors and coverage issues cleared
• Manual actions checked

Action Plan

• Findings prioritized by impact
• Owners assigned to each task
• Deadlines set
• Baseline metrics recorded
• Next audit date scheduled

How often should I run a website audit?

Most SEO professionals recommend a full website audit every quarter. For larger sites or sites with frequent content updates, a lighter monthly check is a good idea. At minimum, run one whenever you notice a significant traffic drop, before a major redesign, or after a known Google algorithm update.

How long does a website audit take?

It depends on your site size and the depth of the audit. A basic crawl and review for a small site might take a few hours. A full audit for a large e-commerce site with thousands of pages can take days. Using a tool like Semly Pro that centralizes crawl data, content metrics, and AI visibility in one dashboard cuts the time down significantly.

Do I need a paid tool to conduct a website audit?

You can do a basic audit with free tools like Google Search Console, Google Analytics 4, and Google PageSpeed Insights, but for a thorough audit that covers content quality, backlink analysis, and AI visibility, a paid tool gives you far more data and saves a lot of manual work. Semly Pro's 7-day free trial lets you run your first audit at no cost.

What's the difference between a website audit and an SEO audit?

An SEO audit focuses specifically on factors that affect search engine rankings - technical issues, on-page optimization, and backlinks. A website audit is broader and also covers things like conversion rate optimization, user experience, and content strategy. in practice, many people use the terms interchangeably, and a good audit covers both.

How do I prioritize fixes after a website audit?

Sort your findings into four categories: critical errors that need fixing immediately, high-impact improvements that'll move the needle, quick wins you can knock out fast, and long-term projects that need planning. Tackle them in that order. Don't let a list of 200 issues paralyze you - focus on the 10 things that'll have the biggest impact first.

What is an AI visibility score and why does it matter in 2026?

An AI visibility score measures how often and how prominently your content appears in AI-powered search results - tools like ChatGPT, Perplexity, and Google's AI Overviews. in 2026, a significant portion of search queries are answered by AI before a user ever clicks a link. If your content isn't showing up in those answers, you're invisible to a growing segment of searchers. Semly Pro tracks this for you automatically.

What are Core Web Vitals and do they still matter?

Core Web Vitals are three metrics Google uses to measure user experience on your site: LCP (load speed of main content), INP (responsiveness to user input), and CLS (visual stability during load). They're still a confirmed ranking factor in 2026. Sites that fail these benchmarks will generally rank below sites that pass them, all else being equal. Check them in Google Search Console or PageSpeed Insights.

What's the first thing I should fix after a website audit?

Start with anything that's preventing Google from crawling or indexing your pages correctly. Crawl errors, noindex tags on pages that should be indexed, and broken redirects are the highest priority. If search engines can't find your pages, no amount of on-page optimization will help. Once your crawlability is solid, move to page speed and on-page SEO.

Can Semly Pro run a website audit for me?

Yes. On the Managed SEO plan at €469/mo, Semly Pro's team runs your site audits for you - weekly AI visibility tracking, citation monitoring, schema optimization, and a full monthly strategy and performance review call. It's a fully managed service, not just software access. If you'd rather do it yourself, the Pro plan at €139/mo and Business Pro plan at €229/mo give you the tools to run your own audits.

How do I know if my website audit is working?

Track your key metrics before you start making changes - organic traffic, rankings for target keywords, Core Web Vitals scores, CTR, and bounce rate. After implementing your fixes, compare these numbers at 30, 60, and 90 days. SEO changes don't always show results overnight, but you should see meaningful movement within two to three months if your fixes were on target. If you're not tracking baselines, you're essentially flying blind.