Technical SEO Services

We deliver cutting-edge solutions and industry-leading technical expertise to drive real commercial value, lead generation, and ROI for clients. Our technical SEO services go beyond the basics to achieve technical excellence.

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Why partner with a technical SEO agency?

Your website should work for you, not against you, and allow your content and message to reach and resonate with your target audience. Hidden technical issues such as slow load times, indexing problems, and structural inefficiencies could silently hold you back and cost valuable traffic, leads, or sales.

Websites accumulate technical debt, and as they become more complex, simple issues compound to become performance inhibitors. Some of these technical SEO issues can be due to poor technical SEO “housekeeping”, such as broken internal links, redirect chains, or bloated DOMs, which restrict performance over time.

We take a customised approach to technical SEO, working as an extension of your team to identify and resolve these issues.

Unlike agencies that simply hand over an audit and disappear, we take a hands-on approach. We collaborate with your developers, marketing team, and internal stakeholders to prioritise recommendations, ensure correct implementation, and drive measurable results.

The ROI of Technical SEO

Investing in effective technical SEO involves making the right technical decisions over time to optimise a website and maximise its potential for search engine visibility. These decisions add up over time and lead to a significant increase in organic traffic and conversions.

Technical SEO Best Practices vs. Real-World Implementations

Technical SEO applies best practices in a manner that works for your platform, CMS, and business objectives. While there are best practices, there is no one-size-fits-all approach. We partner with brands instead of acting as an external vendor.

This approach keeps us informed about marketing calendar changes and broader business shifts, allowing us to identify opportunities and threats to organic search performance.

Beyond the Technical SEO Audit

Many technical SEO agencies provide generic audits packed with jargon but lack actionable next steps. We do things differently. Our team provides:

  • Actionable recommendations with clear prioritisation in collaboration with your development team. We prioritise issues with the highest reward for the lowest effort by visualising and roadmapping them first.
  • Effective ticket writing so that developers understand the issue, the environments affected,  and the severity and priority of the issue
  • Ongoing support and monitoring to keep your site performing at its best. This support includes regular technical SEO health checks and tracking key performance-based metrics like site speed and Core Web Vitals against competitors.

Technical SEO is not a one-time fix. As your business evolves, your website needs to adapt — and we’re here to help you along the way.

What is technical SEO?

Technical SEO ensures that technical on-site elements of a webpage maximise the potential organic visibility in search engines.

The practice of technical SEO concerns web technology factors that directly impact a search engine’s ability to crawl, render and index a website — which ultimately impacts a site’s ability to rank for relevant keywords in search engines. Google’s process of ranking a website can be broken down into four stages:

  • Crawl
  • Render
  • Index
  • Rank

Technical SEO concerns itself with ensuring a website can be crawled easily, rendered by search engines, allowing for more accurate indexing and understanding of webpages. Once this has been achieved, Google can attribute and weight its many “ranking factors” to your webpage (and website) to determine a ranking for user queries.

These four stages are pivotal to online success, especially in competitive markets. While having great content is the cornerstone of SEO, if Google can’t crawl, render or index your content, it will be nearly impossible to rank.

Our SEO Consultants can help with any CMS

We audit and optimise a lot of websites. They're all different, but all equally have a lot in common.

No matter your site's technology, we guarantee that we are the technical SEO agency to improve your organic search performance, leads, and conversions.

Our Technical SEO Services

Our technical SEO agency offers a variety of technical SEO services all intended to improve the organic search visibility of your website.

Technical SEO Consultancy

Our technical SEO specialists can advise how to optimise your website. Whether you need advice on why there are indexability issues or just need a technical expert to help troubleshoot a problem, our team can provide the support you need.

Technical SEO Audits & Analysis

Our agency has years of experience in auditing websites. Our experts will review your site using our 300-point+ technical SEO framework to identify any technical issues that could hold back your website.

JavaScript & Rendering Optimisation

Many modern websites rely on JavaScript, but your rankings will suffer if Google can’t render your content correctly. We resolve these challenges to make sure every page is fully accessible.

WEBSITE ARCHITECTURE & STRUCTURE REVIEW

The information architecture or taxonomy of a website is crucial to being successful in organic search. A good website structure helps optimise not only for search engines but also the user experience.

At SALT.agency, we can help your team optimise your website’s information architecture.

Website Migrations

There are different types of website migrations and without proper planning or the right experts working on a project it could impact your organic search performance. It’s important that your migration or changes are scoped correctly to allow for sufficient risk monitoring and mitigation.

We’ve performed hundreds of SEO migrations over the years, all varying in scope, size, and complexity.

Server Log File Analysis

Server log files are a type of file that records when a search engine crawler has accessed your website. They are packed with useful insight which, when analysed, can reveal whether your website is suffering from crawling or indexing issues.

Technical SEO for LLMs

As AI-driven search results and large language models (LLMs) like ChatGPT, Gemini, and Perplexity become more prominent, optimising for machine-readable content and retrieval-augmented generation (RAG) is crucial. We ensure your site is structured, semantically rich, and optimised for AI-powered search, helping your content surface in AI-driven responses, knowledge graphs, and entity-based search results.

Site Speed Optimisation

A slow website hurts rankings, conversions, and user experience. We diagnose performance bottlenecks, optimise server response times, compress images, minify CSS/JavaScript, and implement lazy loading and caching strategies to dramatically improve load speeds. Faster sites improve metrics, increase engagement, and conversions, making speed optimisation an essential part of your SEO and brand experience strategy.

Core Web Vitals

Google’s user experience signals matter. We work with your developers to improve LCP (Largest Contentful Paint), INP (Interaction to Next Paint), and CLS (Cumulative Layout Shift) to help your site perform better in search and provide a better user experience.

Headless SEO for Modern Websites

Headless CMS architectures offer flexibility, but they present unique SEO challenges. We optimise API-driven content, ensure search engines can access structured data, configure pre-rendering and dynamic rendering solutions, and implement SSR (Server-Side Rendering) or hydration strategies to make sure your site ranks effectively.

Guides & Tips

Client Reviews

  • Johnny Mobasher

    Martin is the most knowledgeable and industry trustworthy SEO expert that I have had the pleasure of working with, who ultimately and ‘single-handedly’ managed to remove our Google penalties inflicted by others, and got us back to the top of page one in Google. Highly Recommended.

  • Jake

    The team at SALT.agency were great to work with. I had a project in rebuilding a brand after a relatively damaging corporate crisis. Dan and the team were fantastic resources in their SEO expertise in building a strategy as well as the technical details related to migration to a new website as part of a larger branding effort. I cannot recommend this team highly enough!

  • Anonymous

    We chose to work with SALT to enable a smooth international website migration. With the goal in mind to mitigate ranking and organic search traffic loss, the team at SALT carefully walked us through how to implement the necessary setup and monitored our performance throughout the process. The results were great and now we’re in a strong position to move into new markets and excel in our search goals!

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Alternatively call us on +44 (0) 20 8050 7258 or email [email protected]