If you’ve ever typed “seo agency near me” into Google, you’ll know the sheer number of businesses promising instant rankings, magical traffic boosts, and overnight success. But anyone working in search marketing knows the truth: real results start with solid foundations—and that foundation is Technical SEO.

Think of Technical SEO as the plumbing and wiring of your website. You don’t always see it, but when it’s done poorly, everything else goes pear-shaped. Slow pages, crawling issues, broken links, dodgy redirects—these things quietly drain your visibility before your content even has a chance to perform.

In this guide, you’ll learn how to run a complete, professional-grade Technical SEO audit for a WordPress website. It’s the exact process many agencies (including those you’ll find when you search “seo agency near me”) follow behind the scenes. And by the end, you’ll know how to spot issues, fix them, and keep your site running smoothly.

Before diving in, if you ever need hands-on support, the team at London SEO Services specialises in technical optimisation, site audits, and long-term growth strategies for businesses across the UK.

Table of Contents

• What Is a Technical SEO Audit?

• Why WordPress Needs Regular Technical SEO

• Tools You’ll Need

• Step-by-Step Technical SEO Audit for WordPress

  • Step 1: Check Indexability & Crawlability

  • Step 2: Assess Core Web Vitals

  • Step 3: Fix Website Speed Issues

  • Step 4: Audit Site Architecture & Internal Linking

  • Step 5: Review Mobile Friendliness

  • Step 6: Identify Duplicate Content & Canonicals

  • Step 7: Analyse Structured Data

  • Step 8: Scan for Broken Links

  • Step 9: Review Sitemaps & Robots.txt

  • Step 10: Security, Hosting, and HTTPS

• When to Call an Expert

• Frequently Asked Questions

1. What Is a Technical SEO Audit?

A Technical SEO audit is a deep dive into all the behind-the-scenes factors that influence how search engines understand, crawl, index, and rank your website. It focuses on:

• Performance

• Mobile responsiveness

• Server and hosting configuration

• Structured data

• Indexing rules

• Architecture

• Security

• File hierarchies

• Schema

• Redirects

If Content SEO is the messaging, Technical SEO is the machinery that delivers that message to your audience. Without it, your website may look great, but it won’t perform where it matters—on Google.

2. Why WordPress Websites Need Regular Technical SEO

WordPress is brilliant—flexible, powerful, scalable—but it also comes with a few quirks:

• Plugins can slow your site down

• Themes sometimes inject unnecessary code

• Poorly built page builders can impact Core Web Vitals

• Misconfigured SEO plugins can block pages from Google

• Outdated plugins can create security holes

Because WordPress is so customisable, many technical issues slip through the cracks unnoticed. That is why agencies offering “seo services near me” perform regular site audits. A well-optimised WordPress website can outrank bigger brands purely because it runs more cleanly.

3. Tools You’ll Need

Here are the tools that make this audit smooth and efficient:

Free Tools

• Google Search Console

• Google Analytics

• Google PageSpeed Insights

• Google Lighthouse

• Screaming Frog (free up to 500 URLs)

• Ahrefs Webmaster Tools

• GTmetrix

• Cloudflare (free plan is excellent)

WordPress Plugins

• Yoast SEO or RankMath

• WP Rocket or LiteSpeed Cache

• Redirection plugin

• Site Kit

• Schema & Structured Data plugin

• Smush or ShortPixel for optimisation

If you’d rather have a professional assessment done for you, feel free to request a Free Site Audit.

4. Step-by-Step Technical SEO Audit for WordPress

Step 1: Check Indexability & Crawlability

This step ensures Google can actually see your pages.

Checklist

• Go to Settings → Reading. Ensure
  “Discourage search engines from indexing this site” is unticked.

• In Google Search Console, check for:

  • Coverage errors

  • Excluded URLs

  • Blocked resources

  • Redirect chains

• Review your robots.txt. You should not see Disallow: / unless the site is private.

• Ensure your SEO plugin isn’t set to “noindex” pages unintentionally.

Pro Tip

Use Screaming Frog to crawl the site as Googlebot. It highlights blocked URLs, loops, orphan pages, and missing canonical tags.

Step 2: Assess Core Web Vitals (CWV)

Google’s Core Web Vitals measure real-world user experience. They include:

• LCP (Largest Contentful Paint) – loading

• FID (First Input Delay) / INP (Interaction to Next Paint) – interactivity

• CLS (Cumulative Layout Shift) – layout stability

WordPress sites often struggle with CLS because of images loading without set dimensions.

Fixes

• Add width and height attributes to all images

• Use properly scaled images

• Serve media through WebP

• Preload the hero image

• Remove layout-shifting ads

• Use a clean, stable theme

Step 3: Fix Website Speed Issues

Speed is one of the biggest ranking signals.

Checklist

• Enable caching (LiteSpeed Cache or WP Rocket)

• Use a CDN such as Cloudflare

• Reduce plugin bloat—ideally under 20 plugins

• Disable unused theme features

• Minify CSS and JS

• Combine files where appropriate

• Remove outdated or heavy page builder elements

• Use lazy loading

Advanced

If you’re using shared hosting, consider upgrading. Many businesses find “seo agency near me” results that include hosting recommendations—because a slow host cripples everything else.

Step 4: Audit Site Architecture & Internal Linking

A clean structure helps crawlers and users alike.

Checklist

• URL structure should be short and descriptive

• Categories should group content logically

• Remove outdated pages and orphan pages

• Add internal links from high-authority pages

• Fix any duplicate category or tag archives

• Ensure breadcrumb schema is enabled

Tip

Link your main topics to relevant service pages like:

• Local SEO

• Services Page

Step 5: Review Mobile Friendliness

With mobile-first indexing, your mobile version is your ranking version.

Checklist

• Test using Google’s Mobile-Friendly tool

• Ensure responsive typography

• Avoid intrusive pop-ups

• Fix overlapping elements

• Ensure clickable elements have enough spacing

• Clean up unused CSS

Step 6: Identify Duplicate Content & Canonicals

Duplicate content can hurt rankings.

Checklist

• Check for duplicate titles and meta descriptions

• Ensure canonical tags point to the correct URL

• Remove duplicate tag/category pages

• Eliminate pagination issues

• Avoid using multiple page builders on the same page

Step 7: Analyse Structured Data

Schema helps your site appear in rich results, like FAQs, product snippets, ratings, and articles.

Checklist

• Add Article schema to blog posts

• Add Organisation Schema to your homepage

• Add BreadcrumbList schema

• Validate using Google’s Rich Result Test

Step 8: Scan for Broken Links

Broken links damage authority and user experience.

Tools

• BrokenLinkCheck.com

• Screaming Frog

• Redirection plugin

Fix

Redirect to relevant pages—not the homepage unless absolutely necessary.

Step 9: Review Sitemaps & Robots.txt

Checklist

• Ensure your sitemap is generated by Yoast/RankMath

• Submit it to Google Search Console

• Remove thin pages from the sitemap

• Add your sitemap URL to robots.txt

Step 10: Security, Hosting, and HTTPS

Security matters for both SEO and legal compliance.

Checklist

• Use Wordfence or equivalent

• Enable 2FA

• Use Cloudflare with bot protection

• Ensure HTTPS is forced across all URLs

• Fix mixed-content issues

• Check for malware and spam pages

5. When to Call an Expert

A Technical SEO audit can get complicated—especially for larger sites or WordPress installs with years of content, plugins, and theme changes.

If your site has:

• Persistent crawl errors

• Slow hosting

• Theme conflicts

• Security issues

• CLS problems you can’t trace

• Indexing problems that won’t go away

…it might be time for professional support.

You can reach our team using the contact page or explore more insights on our blog page.

And if you’d like a no-obligation review, our Free Site Audit tool is ideal for quick diagnostics.

FAQs (Rich Snippet-Ready)

1. What is a Technical SEO audit?

It’s a review of all the technical factors influencing your website’s ability to rank—speed, crawling, sitemaps, schema, security, and more.

2. How often should I run a Technical SEO audit?

Most businesses run one every 3–6 months, or whenever they make major changes to their website.

3. Do WordPress sites need Technical SEO?

Absolutely. Because WordPress relies on plugins and themes, issues appear frequently. Regular audits help maintain performance and rankings.

4. Can I run a Technical SEO audit myself?

Yes—but it takes time, tools, and experience. Many businesses prefer working with a professional team like London SEO Services to avoid mistakes.

5. What improves Technical SEO the most?

Fixing speed issues, improving Core Web Vitals, cleaning up redirects, removing broken links, and optimising site architecture often give the biggest wins.