What is a Technical SEO Freelancer? A Technical SEO Freelancer is a specialist who optimises the technical foundations of websites so they can be discovered, crawled, and indexed efficiently by search engines while also delivering an outstanding user experience. Having a dedicated Technical SEO Freelancer ensures that your site ranks higher, converts better, and remains competitive in both organic search and AI‑driven discovery channels.
If you run a business in London or target English, Italian, Spanish, and French audiences worldwide, investing in a proven Technical SEO Freelancer can make the difference between fading into obscurity and dominating your market. This is especially critical in 2026, where core‑web‑vitals, site architecture, and AI‑generated search features increasingly decide which pages users see first.
Technical SEO Freelancer Case Studies
Top Technical SEO experts have delivered staggering results by focusing on crawlability, indexation, site speed, and structured data. Below are three modern case studies that illustrate what can be achieved when technical foundations are fixed and optimised (sources and dates only, no links).
B2B SaaS Platform – 118K Organic Clicks in 6 Months
A European SaaS client with limited organic visibility increased organic clicks from 4,18K to 118K in six months by fixing crawlability, indexing errors, and Core Web Vitals. The average position improved from 19.7 to 10.4, and impressions grew from 278K to 5.52 million. (Source: LinkedIn case study, 2026‑01‑01)
E‑Commerce Store – From 48 to 95 Page Health
A mid‑sized e‑commerce site increased its Page Health score from 48 to 95 and its Page Authority from 17 to 29 after a deep technical SEO intervention. Organic traffic and conversion rates showed substantial growth within a few months. (Source: Oz Global B2B blog, 2023‑10‑04)
Niche Content Site – World‑Record Positioning
A content‑driven client achieved a first‑position ranking in Google in just 11 days for a highly competitive keyword, thanks to meticulous technical optimisations, structured data, and internal linking. The result was a dramatic spike in referral traffic and lead generation. (Source: agency‑style case study, 2023)
Alex Costin as a Technical SEO Freelancer
Alex Costin is a data‑driven Technical SEO Freelancer from London, UK, with over 17 years of international experience in SEO, SEM, content, and web design. His CV highlights a track record of delivering penalty‑free “Perfect Websites” that combine maximum landing page quality with robust technical SEO, leading to measurable ROI for clients across the EU and beyond.
- Unconventional Market Research & Competitor Intelligence: Alex performs deep market scans, customer behaviour analysis, and competitor SWOT audits, then prioritises insights by business impact so decision‑makers can act quickly and profitably.
- Technical SEO Specialist: With more than 17 years of SEO work, he conducts in‑depth audits, builds content ecosystems, and trains in‑house teams to maintain high‑performing SEO standards. His websites are built to be fast, secure, and index‑friendly.
- Off‑Page & Backlink Strategy: Alex leverages both owned properties and partner networks to generate strategic off‑page backlinks that amplify on‑page SEO gains and help pages outrank competitors over time.
- SEM & Performance Expertise: As an SEM Manager with over 12 years of experience, he lifts quality scores, reduces PPC costs, and has delivered SEM campaigns with CPC reductions of up to 90% compared with competitors.
- AI‑Driven Digital Marketing: Alex uses AI at an expert level to accelerate content creation, automate repetitive tasks, and unlock new marketing opportunities, enabling him to deliver the output of an agency in far fewer working days.
Hire a Top Technical SEO Freelancer in London
Alex Costin offers flexible, high‑impact engagement as a Technical SEO Freelancer for businesses in London and beyond. Daily rates start at as little as £1,000 per day, with AI‑powered workflows and deep technical skills that often outperform five full days of work from conventional SEO agencies.
Technical SEO excellence with world‑class metrics
Landing page quality describes how fast, accessible, well‑structured, and user‑friendly a page is for both human visitors and search engines. It includes clean HTML, responsive design, proper semantic markup, Core Web Vitals performance, and mobile‑first compatibility, all of which directly influence how Google and AI‑driven search features rank and recommend pages.
High landing page quality helps websites rank higher in organic search and in AI‑powered search experiences because engines and AI models favour pages that load quickly, are easy to navigate, and provide a frictionless experience. When technical SEO is flawless, pages are more likely to appear in featured snippets, “About this result” boxes, and AI‑generated summaries that drive traffic and conversions.
To see what Technical SEO excellence looks like in practice, you can review scores for three of Alex’s projects on Google PageSpeed Insights. Each of these live sites achieves a perfect 100/100 score across Performance, Accessibility, Best Practices, and SEO, demonstrating his ability to deliver bulletproof technical foundations.
Hire Alex Costin as your business Technical SEO Freelancer
Market Research
Alex’s background in market research and competitor analysis enables any business to collect and interpret both primary and secondary data, turning raw information into actionable insights. This data‑driven approach helps you identify untapped opportunities, understand customer behaviour, and outperform competitors by making faster, more informed decisions.
Website Development
Alex can deliver a brand‑new, fully optimised website in as little as two weeks, built on a fresh server using Drupal and Bootstrap. Each project is engineered to hit a 100/100 PageSpeed score, outperforming standard WordPress‑template sites that dominate local and regional markets by miles in speed, accessibility, and SEO readiness.
SEO
By combining deep keyword research with maximum landing page quality, Alex helps businesses dominate organic search rankings. His off‑page strategy, powered by more than 5,000 blog posts he has written plus another 5,000+ from partner websites, gives you a backlink profile and authority stack that most UK competitors simply cannot match.
Artificial Intelligence
Alex uses AI to automate and scale content creation, social media campaigns, and repetitive tasks, significantly reducing the need for additional employees or external agencies. This AI‑augmented workflow not only speeds up delivery but also cuts long‑term costs while maintaining high creative and technical standards.
Performance
Weekly performance reports form the backbone of Alex’s strategy, allowing him to review campaigns, compile lists of improvement ideas, and discuss them with decision‑makers. After approval, he implements changes quickly, ensuring that every campaign becomes more efficient and drives a higher return on investment over time.
Technical SEO Freelancer summary
Hiring Alex Costin as your Technical SEO Freelancer in London means partnering with a seasoned, multilingual expert who delivers guaranteed results through technical perfection, AI‑driven workflows, and deep market insight. Whether you need a new website, a full SEO overhaul, or an AI‑enhanced marketing strategy, his approach is designed to outperform local agencies and give you a clear competitive edge.
From English, Italian, Spanish, and French audiences to AI‑driven search and traditional organic rankings, Alex’s work is built to be discovered, trusted, and converted. His portfolio of 100/100 PageSpeed projects and strong off‑page profiles proves that he can turn technical SEO into real business growth.
Turn your site into a Technical SEO powerhouse
Start a conversation with Alex Costin today and discover how his Technical SEO Freelancer services can transform your online presence. Get insights, solutions, and a clear roadmap tailored to your business goals.