Technical SEO London That Fixes What’s Holding Your Rankings, and Revenue, Back
Slow website? Crawling issues? Poor Core Web Vitals?
If Google can’t crawl, render, and understand your site properly, your traffic drops and your revenue follows.
We fix the technical foundation behind your rankings. From crawl budget control and indexation clean-up to Core Web Vitals optimisation, we make sure your website performs the way Google expects, and converts the way your business needs.
- 150+ Technical Audits Completed
- 4.9★ Rated London SEO Agency
- Average 120% Organic Growth Across Campaigns
Recent audit uncovered 1,842 crawl errors on a London ecommerce site.
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Helping service businesses grow stronger every month with more leads, more calls, and more revenue. Here is what our clients say about working with one of the most trusted SEO specialists in London. Rated 4.9/5 by businesses using our Google Ads services.
Why Technical SEO Matters? That’s Why You’re Losing
Content and links matter, but without rock‑solid technical SEO, your website is running on one leg. Slow speed, broken links, unseen pages, and missing structured data all cause lost traffic and missed sales. In London’s tough market, even a one-second lag or a wrong tag can hurt you. Google will drop you, users will leave, and trust will decline.
- 53% of users leave if a page takes longer than 3 seconds.
- Google confirms Core Web Vitals are ranking signals.
On top of that, newer search behaviours are hitting hard. AI-driven platforms like ChatGPT, Gemini, and Perplexity now prefer sites which are technically perfect. These sites should crawl easily, use the right structured data, and show a clear hierarchy. At Wixdek, we make those basics unbreakable so you’re ready now and future‑proof for what’s next.
Technical Issues That Hurt Rankings
Many websites don’t struggle because of content. They struggle because of technical problems working quietly in the background. These issues stop Google from crawling, indexing, and ranking pages properly. Here’s what typically goes wrong, and how we fix it:
- Broken internal links
- Causes crawl waste and weak authority flow.
- We fix it with a full internal link audit and structure clean-up.
- Duplicate content
- Causes keyword cannibalisation and diluted rankings.
- We fix it using canonical tags and smart content consolidation.
- Orphan pages
- Causes important pages to remain unindexed.
- We rebuild structured internal linking to connect key pages.
- Poor URL structure
- Causes weak topical signals and crawl confusion.
- We clean your hierarchy and standardise URLs for clarity.
- Slow TTFB (server response time)
- Causes lower rankings and higher bounce rates.
- We optimise your server and improve performance speed.
What We Do: Technical SEO Services That Fixes What Matters
We don’t just look at your site. We fix the core problems that hold your site back. If Google can’t crawl, read, or trust your pages, rankings won’t improve. We sort all that out.
Here’s what we handle:
Full Technical SEO Audit
Our technical SEO expert will audit your whole website. Then we send you a simple report that shows what’s broken, and what we’ll do about it.
Website Architecture Clean-Up
We make your site structure flat, clean, and crawlable. No broken links. No orphan pages. Just a smooth path for Google to follow.
Speed Boosting (Core Web Vitals)
We improve your LCP, INP, and CLS scores on both desktop and mobile. That means faster load times, smoother pages, and better user experience.
Mobile-Friendly Fixes
Google ranks mobile first. We fix layout shifts, font issues, button spacing, and more. These changes help keep your mobile users happy.
Schema & Structured Data
We add structured data to boost your listings in Google. Products, reviews, FAQs, breadcrumbs, you’ll get rich snippets that increase your clicks.
Crawl & Index Fixes
We clean up your robots.txt, sitemaps, redirects, and canonical tags. This makes sure the right pages get crawled and nothing important gets left out.
Internal Linking & URLs
We clean up internal links and tidy messy URLs. This helps Google find your most important pages first. This helps boost your topic authority too.
Log File Analysis (For Big Sites)
Got a large site? We go deeper with log files to track how Googlebot moves. Then we remove crawl traps and fix wasted crawl paths.
Enterprise Crawl Management
We manage crawl budget for large sites. We prioritise key revenue pages and stop Google wasting time on low-value URLs.
JavaScript SEO Optimisation
We fix rendering issues, blocked resources, and hidden content so Google can fully crawl and index your JavaScript site.
AI Search & Indexing Preparation
We structure your site for AI-driven search, making it clear, machine-readable, and ready for modern search visibility.
Large Site Technical Architecture
We build scalable URL structures and clean hierarchy to prevent duplication, crawl waste, and ranking conflicts.
Our 4-Step Technical SEO Framework
We don’t guess. We follow a clear, structured process that fixes problems properly and builds long-term stability.
- Deep Technical Audit: We crawl your entire site, review Core Web Vitals, analyse crawl paths, inspect indexation, and identify structural weaknesses. Nothing gets missed.
- Architecture & Structure Fix: We clean up internal linking, URL structure, canonical tags, and navigation flow. This gives Google a clear path to understand your site.
- Performance & Rendering Optimisation: We improve LCP, INP, and CLS scores, fix JavaScript rendering issues, and optimise server response time so your site loads fast and performs smoothly.
- Indexation & Growth Scaling: We refine sitemaps, manage crawl budget, remove duplication, and prepare your site for scalable growth, including AI search visibility.
They’ll Leave Before You Load!
When your site lags, customers bounce, it’s that simple. We optimise your website for all three Core Web Vitals:
- LCP (Largest Contentful Paint)
- FID/INP (First Input Delay / Interaction to Next Paint)
- CLS (Cumulative Layout Shift)
These aren’t just buzzwords. They’re signals Google uses to decide whether your site deserves to rank. For small businesses in London, such as plumbers and electricians. A delay of just 1–2 seconds on mobile can make customers hit “back” and call a competitor instead.
We fix that. Our team boosts your speed score on desktop and mobile. We use lightweight caching, lazy loading, CSS/JS compression, and defer non-critical scripts. This means your site loads fast, keeps users engaged, and sends all the right signals to Google. In a fast-moving city like London, users want quick results. So, you need not just speed but also a smooth experience. Speed is no longer a bonus. It’s the baseline for visibility, trust, and conversion.
Trusted by Brands That Value Results
Why Speed and Structure Matter
53% of users leave a website if it takes longer than 3 seconds to load.
Google also confirms that Core Web Vitals are real ranking signals. If your LCP, INP, or CLS scores are weak, your visibility suffers.
Technical SEO is not optional. It directly affects how Google crawls, understands, and ranks your website.
Industries We Work With
We offer expert technical SEO support for local and service-based businesses in London. From fixing errors to speeding up your site, we help brands build stronger foundations online, no matter your niche. We’ve worked with businesses like:
No generic SEO here. Each sector gets tailored fixes and business-specific digital marketing for better rankings and faster performance. Not listed? If you run a website, we can help. Let’s chat.
Who Needs Technical SEO?
Technical SEO isn’t just for big brands. It matters whether you’re launching a new website, managing an older one, or trying to scale. A new website without a strong technical foundation struggles to rank. An older site often carries hidden technical debt, broken pages, missing tags, crawl errors, and slow speed. Technical SEO is critical If:
- Your traffic suddenly dropped.
- You redesigned your website.
- You run ecommerce.
- Your site has 100+ pages.
- You’re not ranking despite good content.
Local businesses that don’t appear in Maps often suffer from slow speed, weak schema, or poor local signals. Ecommerce sites struggle with messy navigation, duplicate pages, or JavaScript blocking Google. We’ve helped firms fix structure, recover visibility, and grow faster. If your site has technical gaps, you’re losing rankings and leads until they’re fixed.
Strong Sites Start with Smart Structure
No matter how good your content looks, if a broken site structure exists, Google won’t rank you. Technical SEO is the engine that drives everything. It involves crawlability, speed, schema, indexing, and easy navigation. Without it, you’re invisible.
Google isn’t forgiving anymore either. Since launching its site reputation abuse policy in January 2024. Publishers in Europe have faced sharp drops if they don’t fix technical or spam issues. Also, from 2023 to 2024, search engines demoted about 9% of websites with old or broken schema markup. The numbers are concerning. Nearly all industries faced negative traffic impacts from 2022 to 2025. Traffic losses ranged from 5% to 18% due to technical or algorithm issues.
In 2025, Google made a strong move. It now uses machine learning to find slow sites, crawl errors, and weak content. This means they give out manual and algorithmic actions quicker than before. At Wixdek, we don’t leave you exposed. We audit, fix, and strengthen your site. This way, Google sees a structure it can trust, and customers find a site that works every time.
Agency That Never Just Relies on Tools!
We don’t believe in running a bunch of tools and sending you a fancy report full of words. That’s not how we work. Our technical SEO experts dig deep into your website. They check the code, crawling behaviour, indexing issues, speed blockers, mobile layout problems, and more. Every audit is done by hand with real thinking behind it, not just software. We look at what’s really slowing your visibility down, and then we sort it. It’s detailed, practical, and built to move the needle, not just tick a box.
Ready to Build a Stronger Website?
Your site can’t grow without a strong foundation. And digital marketing service in London isn’t optional, it’s what separates winners from the rest.
Technical SEO London – Frequently Asked Questions
How long does technical SEO take to show results?
Most improvements in crawl efficiency and speed are visible within 4–8 weeks. Ranking stability typically improves over 2–3 months depending on site size and competition.
Do I need technical SEO if my site already ranks?
Yes. Many ranking drops happen due to hidden technical issues. Technical SEO protects your current visibility and prepares your site for long-term growth.
Is technical SEO a one-time fix?
Some issues can be fixed once, but growing websites require ongoing monitoring. As your site expands, crawl management and performance optimisation must scale with it.
We use industry-standard crawl analysis tools, log file analysis, PageSpeed diagnostics, and Search Console data, combined with manual technical review to identify deeper structural issues.
Content and backlinks help you rank. Technical SEO ensures Google can properly access, interpret, and prioritise your pages in the first place.
Costs vary depending on site size and complexity. Larger ecommerce or enterprise sites require deeper analysis. We provide tailored audit plans after reviewing your website.