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Webheads / Technical SEO agency London

Technical SEO agency London

Technical SEO agency in London

Remove the technical barriers that prevent search engines and users from getting the best from your website.

Webheads audits, explains and implements technical SEO improvements. Our search and development specialists work together, so recommendations can move from a report into a properly tested website.

Technical SEO that supports visibility, usability and growth

Search engines need to discover, render, understand and index your important pages efficiently. Users need those pages to load quickly, work properly on mobile and provide a clear journey. Technical SEO connects those requirements.

It is especially important for large or complex websites, ecommerce platforms, international sites, redesigns and migrations. It also provides the foundation for content, authority-building and local SEO to perform effectively.

What our technical SEO services cover

Crawling and indexation

Robots directives, XML sitemaps, canonicals, noindex rules, duplicate URLs, crawl paths and index coverage.

Site architecture and internal linking

A logical structure that helps search engines understand page relationships and helps users reach important content.

Speed and Core Web Vitals

Evidence-led improvements to loading, responsiveness and visual stability across real devices and templates.

Structured data

Appropriate schema markup that helps search engines interpret your organisation, services, content and page relationships.

Mobile, rendering and JavaScript

Checks for mobile usability, rendered content, blocked resources and JavaScript behaviour that can affect discovery or performance.

Migrations and redesigns

Redirect mapping, launch checks, metadata transfer, analytics validation and post-launch monitoring to protect organic visibility.

Ecommerce technical SEO

Faceted navigation, product variants, pagination, discontinued products and index control for large catalogues.

Monitoring and measurement

Google Search Console, GA4, crawl data and conversion tracking used to identify issues and measure the effect of improvements.

What you receive from a technical SEO audit

A useful audit should make decisions easier. We provide a prioritised view of the problems, the evidence behind them and the recommended action.

  • Executive summary and key risks
  • Priorities by impact and effort
  • Examples of affected URLs and templates
  • Clear implementation guidance
  • Developer-ready recommendations
  • Measurement and validation plan
  • Review meeting with your team
  • Optional implementation support

Our technical SEO process

01

Discover

Understand the website, technology, search performance and business priorities.

02

Investigate

Crawl, test and analyse templates, signals, performance and search-engine data.

03

Prioritise

Separate urgent problems from longer-term improvements and explain the trade-offs.

04

Implement and verify

Support or complete the fixes, test the release and monitor the effect.

SEO and development in one team

Technical recommendations often fail when they stop at the audit. Webheads brings SEO specialists, UX thinking and custom WordPress development together, reducing the gap between diagnosis and delivery.

Our work for Westgate Vehicle Hire combined a stronger website, technical optimisation, targeted landing pages and ongoing SEO. Organic clicks increased by 437% and search impressions by 674% over the latest six-month comparison, alongside substantial growth in enquiries and sales.

Technical SEO frequently asked questions

What is a technical SEO audit?

A technical SEO audit examines whether search engines can efficiently discover, render, understand and index a website. It also reviews performance, mobile usability, architecture, structured data and other technical signals that can affect organic visibility.

How long does a technical SEO audit take?

The timescale depends on the size and complexity of the website. A focused audit may take a few weeks, while a large ecommerce, international or JavaScript-heavy platform can require a broader investigation. We confirm the scope and deliverables before work begins.

Can Webheads implement the recommendations?

Yes. Our developers can implement agreed fixes on WordPress websites and collaborate with internal or third-party development teams on other platforms. Every release should be tested and validated after deployment.

When should technical SEO be considered in a redesign?

From the beginning. Architecture, templates, content migration, redirects, performance and analytics should form part of planning rather than being checked only after launch.

Do you guarantee ranking improvements?

No responsible agency can guarantee a particular Google position. We identify and correct technical barriers, prioritise opportunities and measure how visibility, traffic and conversions change after implementation.

Find and fix the technical barriers

If your website has lost visibility, is preparing for a redesign or simply needs a clear technical health check, Webheads can identify the priorities and help implement them.

Talk to our technical SEO team

What is a technical SEO audit?Reveal


A technical SEO audit examines whether search engines can efficiently discover, render, understand and index a website. It also reviews performance, mobile usability, architecture, structured data and other technical signals that can affect organic visibility.

We'd love to talk to you more about your project

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Some of our lovely clients say...

More Reviews

5.0
Alexander Weisberg
2 months ago
Webheads guided us from start to finish and produced a fantastic, interactive and engaging website. They were fast, adaptive and would highly recommend.
Response from the owner:Thank you so much. It has been a pleasure working with EWI Capital again, especially after such a long relationship over the past 16 years. We’re very proud to have built your second website and delighted that you’re pleased with the result. Thanks again for trusting Webheads with the project.
Stephen Palmer
1 year ago
Webheads provide excellent online and website services and cannot say enough about their positive and great customer service and approach. Their website design and implementation is second to none and highly recommended.
Response from the owner:Thanks so much, Stephen We really appreciate the kind words. It’s always a pleasure working with you, and we’re so pleased to hear you’ve been happy with the service. We’re proud of the work we do, but feedback like this makes it all the more rewarding. Thanks again from all of us at Webheads!
Webheads and their team have done a fantastic job. They are hands-on problem solvers, very efficient, good at coding, and have a good eye for design. I have worked on two projects with them, and it's been an absolute pleasure. It's not only the work they do; it's how they deliver! Outstanding service. Thank you, guys!
Response from the owner:Thanks so much, Miguel. We really appreciate your kind words! It’s been a real pleasure working with you and the team at Adaptive across both projects. We’re so pleased to hear the work and delivery hit the mark!
EARL
1 year ago
We are extremely satisfied with our latest collaboration with the Web Design Agency Webheads. We needed to improve and update our website and from the moment we contacted them everything went smoothly and professionally. They were always quick to respond to all our questions, and resquests. Our website looks much better now, thanks to JM and his team. We highly recommend Webheads to anyone looking to take their website to the next level.
Response from the owner:Thanks so much Lotty, it’s been a real pleasure working with you and the Earl of Sandwich team. We’re so glad you’re happy with the new site and that the process felt smooth from start to finish. Always here if you need anything else and really appreciate the recommendation!
I've built three websites with WebHeads across different firms. They recently did an outstanding job redesigning and rebuilding our company website—expertly balancing navigation, content, aesthetics, and functionality, and always being flexible, responsive, and accommodating. It was a pleasure working with them on all our projects.
Response from the owner:Thank you so much, Annekathrin - It's always a real pleasure working with you and your team. We’ve really appreciated the trust you’ve placed in us over the years and across each of your projects. It's been great to collaborate again on this latest site and we're so pleased you're happy with the results. Looking forward to the next one already!
Jo Wylie
1 year ago
Even though our company is based in South Africa, we have used Webheads for a number of years and changing of our website and updating the look of our website has been very easy with Webheads assisting the whole way through. We are very happy with their service.
Response from the owner:Thank you Jo. It's an absolute pleasure working for with you and the team Pakmax. And proving distance is no obstacle when it comes to choosing to work with Webheads :)
Luke Smith
1 year ago
A fantastic team - Very attentative and thorough in their work. Super friendly which always helps and special thanks for JM for always being open to hear our sometimes naive questions!
Response from the owner:Thank you Luke. It's a pleasure to work with you an the Thred team !
Ayaz Saleem
1 year ago
JM and the Team at Webheads are amazingly talented - they deliver on every word, truly listened to us and worked to produce a website we are truly proud of having. We cannot wait to share our website with our clients. Thank you so much.
Response from the owner:Thank you so much for the lovely words – that really means a lot to us. It’s been an absolute pleasure working with you on the site, and we’re thrilled to hear how proud you are of it. We’re proud of it too! Can’t wait to see it doing great things for you and your clients. The Webheads team
Vadim Chircu
2 years ago
We had a great experience with Webheads! The team was professional, efficient, and highly knowledgeable. JM was especially helpful, providing clear guidance and support throughout the process. Highly recommend their services!
Response from the owner:It was a pleasure working with you, and we’re thrilled to hear you had a great experience with Webheads. We always strive to provide professional, efficient, and expert support, so it’s wonderful to know that came through. If you ever need anything in the future, we’re here to help!
Dan Prince
2 years ago
Efficient, diligent and thorough service in maintaining our website. Easy to work with, quick to respond and always providing creative solutions towards problems. Highly recommended for all website needs.
Response from the owner:Thank you so much for your kind words Dan. It's been a pleasure working with you and the Daytona team over the past 20 years and we look forward to continuing to provide creative solutions for many more years to come.
Farhan Ahmed
2 years ago
I've had the pleasure of working with Webheads for the past year on our Supreme Court events website, and I must say, it has been an exceptional experience. Their team expertly hosts and manages our WordPress site, ensuring everything runs smoothly and efficiently. Communication with Webheads is always clear and prompt, making any website updates or issues easy to handle. I highly recommend Webheads to anyone looking for reliable and professional web agency services. Thank you for all of your support.
Response from the owner:That's very kind of you. We really enjoyed working with you as well 🙌
Pierre Corbucci
3 years ago
It's the second website we"re building with Webheads and we've been appreciating their support and efforts all along. Professionals yet friendly, effective and generous with good advices. We strongly recommend their services!
Response from the owner:Thank you so much for your great review. It is a pleasure to work with you and the team
Jolyon Dunn
4 years ago
Working with Webheads was a pleasure from start to finish. The project was well executed with all requirements there from the beginning. Can recommend.
Response from the owner:Thank you Jolyon. We loved working on the Milroys website :)
Steffen Goelkel
4 years ago
Excellent customer service, very responsive to needs and provided a very useable and scaleable product! Thank you so much!
Response from the owner:Thank you! We've loved working on all your projects over the many years and look forward to many more successful projects with yourselves.
Tonya Lawrence
5 years ago
It's an absolute pleasure working with Webheads, such a great team and fantastic work! Highly recommend!
Response from the owner:Thank you Tonya. It's great to be able to work with you as well :)
Scott Gordon
5 years ago
Highly professional and diligent team - would recommend.
Response from the owner:Thank you so much Scott. It's great to work with you and your team on such high profile projects.
Steve Crory
5 years ago
We started with Webheads early 2021 requiring changes to an existing website followed by customised shopping cart integration with a company based in France. At all times Webheads have correctly understood the brief and made the changes within agreed timelines. I have no problem giving them five stars. 😁
Response from the owner:Thanks Steve and your team. It's a pleasure to work with you and on such a fabulous travel product and in south an amazing location.
Andy Noble
5 years ago
Great company to deal with. Enthusiastic, and always understand what we are trying to achieve. Highly recommended!
Response from the owner:Thank you Andy! It's great to have been working for you from Caterham Cars to Sevens & Classics. Long may it continue.
Dudley Buxton
5 years ago
We've used Webheads for many years, and have always been impressed with their speed and professionalism. Should have left a review long ago.. these guys have saved us more than once!
Response from the owner:That's very much appreciated. We love Chosen Bun - best burgers and it's very easy working with such a great client.
Abbas Zreik
5 years ago
The team at Webheads exceeded our web design expectations, not to mention the much appreciated flexible service and support that was offered. Thank you Webheads!
Response from the owner:Thank you Abbas. It was great to work alongside you and everyone at Ryan. So glad everyone can now enjoy the best baklawa you can buy now online