What is a Technical SEO Specialist? A Technical SEO Specialist is a marketing professional who optimizes the underlying structure of a website so that search engines and AI systems can easily crawl, index, and understand its content. This includes fixing technical errors, improving page speed, ensuring mobile‑friendliness, refining site architecture, and implementing rich schema markup. Without strong technical foundations, even the best content will struggle to rank.
If your website is not technically optimized, you are losing visibility to competitors who invest in a Technical SEO Specialist. Contact a specialist today to ensure your business appears in both organic search and AI‑driven search experiences.
Technical SEO Specialist Case Studies
Across industries, brands that hire Technical SEO Specialists have seen dramatic improvements in rankings, traffic, and revenue. The case studies below demonstrate how technical SEO fixes can unlock growth even when content quality is already high.
Site Health Surge by 850%
Source: Gravitated Design, published January 2025
A technical SEO audit for a tourism brand led to an 850% increase in site health scores. By fixing crawl errors, optimizing server response times, and restructuring internal linking, the site started to rank for hundreds of new keywords within months.
833% More Page 1 Keywords
Source: Goup, published June 2023
A B2B brand experienced an 833% increase in keywords ranking on page 1 within 12 months. The technical SEO team resolved indexing issues, improved canonicalization, and enhanced mobile performance, which allowed its content to perform consistently across devices.
Over 118% More Organic Revenue
Source: Goinflow, published February 2023
An eCommerce business increased organic revenue by more than 118% after a post‑migration technical SEO audit. By fixing broken redirects, optimizing category structure, and boosting page speed, the site recovered lost traffic and started to convert better.
Alex Costin as a Technical SEO Specialist
Alex Costin is a data‑driven Technical SEO Specialist with over 18 years of experience in audit‑driven optimization, automated analytics, and full‑stack digital marketing. Based in Barcelona and trained in London, he combines European‑level strategy with high‑quality technical execution for global audiences.
18+ years of SEO and digital marketing
Alex has conducted SEO audits on hundreds of websites to maximize SEO scores, define data‑backed content strategies, and integrate SEO with paid, social, and email channels. His CV highlights long‑term collaboration with in‑house teams to execute complex marketing plans.
Data‑driven technical SEO expertise
He uses advanced analytics platforms, Google Marketing Platform, and Adobe Experience Cloud to turn technical SEO findings into actionable insights. His processes are built around crawlability, indexability, and performance metrics rather than guesswork.
Full‑stack development with SEO focus
Alex has deep proficiency in HTML, CSS, Drupal, Bootstrap, Google Tag Manager, and server optimization. This allows him to not only audit but also build or refactor websites that score 100/100 on core technical SEO metrics like PageSpeed.
Multilingual and multinational reach
He creates content and campaigns that target English, Italian, Spanish, and French users worldwide, supported by local SEO best practices and technical localization. His work spans brands, agencies, and digital products across regions.
Automation‑first mindset
Alex leverages automation for audits, reporting, and campaign management. This reduces manual overhead, ensures consistent quality, and allows him to deliver work that often exceeds the output of multi‑person agencies in a fraction of the time.
Get Guaranteed Technical SEO Results
Alex Costin delivers Technical SEO Specialist services starting at as little as £1000 per day. With deep AI and technical skills, one day of his work can often outweigh five days of an agency’s effort, especially when it comes to audits, architecture, and performance optimization.
Message him today to see how a technical overhaul can unlock new traffic, rankings, and revenue for your business.
Technical SEO Specialist Excellence
Landing page quality measures how fast, accessible, secure, and user‑friendly a page is for both people and search engines. High landing page quality means clean code, minimal blocking resources, semantic HTML, strong accessibility, and fast loading on all devices, especially mobile.
High landing page quality is critical because it directly influences rankings in organic search and AI‑search overviews. Search engines and AI systems reward pages that load quickly, are easy to navigate, and follow accessibility standards, since these traits signal relevant, trustworthy content.
To see real‑world examples of near‑perfect landing page quality, visit these Google PageSpeed reports: alexcostin.com, alexcostin.com/plato, and alexcostin.com/deceneus. All three score 100/100 in Performance, Accessibility, Best Practices, and SEO, demonstrating how Alex builds sites that meet the highest technical standards.
Hire Alex Costin as your business Technical SEO Specialist
Market Research
By combining technical SEO data with behavioural analytics, Alex enables businesses to distinguish primary from secondary data and convert them into competitive intelligence. This approach helps you spot gaps competitors ignore, prioritize high‑impact keywords, and refine messaging that outperforms rivals in both search and AI‑driven experiences.
Website Development
Alex can deliver a new, fully bespoke website within about two weeks, built on a clean server using Drupal and Bootstrap. These sites are engineered for 100/100 PageSpeed scores, ensuring they outperform most local, regional, and national competitors who rely on slow WordPress templates. This speed and structure give your brand a decisive technical edge in rankings and user experience.
SEO
Through rigorous keyword research and maximized landing page quality, Alex helps businesses dominate search engines by aligning content with user intent and technical signals. His off‑page strategy leverages 5,000+ blog posts and an additional 5,000+ from partner websites, creating a powerful backlink network that very few UK businesses can match.
Artificial Intelligence
Alex uses AI tools to generate and refine engaging content, micro‑copy, and social media campaigns, dramatically reducing time spent on repetitive tasks. This automation lowers the need for extra third‑party staff or agencies, while still delivering high‑quality, on‑brand messaging that performs well in search and feeds.
Performance
He provides weekly performance reports that track traffic, rankings, conversions, and technical metrics. These reports feed into a continuous improvement loop: identify issues, draft a prioritized list of optimizations, discuss them with decision makers, and implement changes to boost ROI over time. This structured cadence ensures your technical SEO strategy evolves with market conditions and platform updates.
Technical SEO Specialist Summary
Hiring Alex Costin as your Technical SEO Specialist means gaining a London‑trained expert who now operates from Barcelona, combining high‑quality strategy with hands‑on technical execution. His multilingual approach, data‑driven audits, and AI‑augmented workflows allow businesses to rank higher, load faster, and convert better than template‑driven competitors.
With proven case‑study‑level results, 100/100 PageSpeed sites, and a scalable backlink network, Alex offers a premium technical SEO service that fits global brands and ambitious local players alike. Start by getting in touch to see how his expertise can transform your online visibility.
Start a Conversation with Alex Costin
Ready to boost your website’s technical SEO and unlock new traffic from search engines and AI systems? Send an email to begin a conversation about audits, site builds, or ongoing technical SEO support.
