Professional websites
Professional website design and development for businesses, organisations and independent professionals who need a clear, credible online presence built to create opportunities.
View serviceIndependent web developer
Sergio Web Developer
Websites and focused technical improvements shaped around the real need of each project.
What I can do for you
Website redesign and modernisation
Website redesign and modernisation for existing sites, improving design, structure, experience, performance and technical foundations while preserving what still adds value.
View serviceIn-depth website audit
Analyse your website's performance, technical SEO, accessibility, UX and operation with an in-depth audit and clear improvement priorities.
View serviceWebsite performance optimisation
Website performance optimisation focused on reducing load times, improving stability and resolving measurable bottlenecks in existing websites.
View serviceWebsite maintenance
Website maintenance for updates, incidents, adjustments and technical support. Keep your site stable, current and under control.
View serviceWeb development for agencies
Web development support for agencies, studios and digital teams. One-off technical reinforcement, delegated development and ongoing collaboration.
View serviceWebsite repair and recovery
Diagnosis, repair and recovery for websites with errors, broken functionality or technical incidents. Locate the cause and restore operation.
View serviceCustom web microtools
I develop custom web microtools to automate processes, transform data, process files and solve specific tasks.
View serviceService and API integrations
Integration of APIs, services and platforms to synchronise data, automate processes and connect web applications.
View serviceNews you may find interesting
Minifying CSS means reducing the size of the files that define a website's appearance by removing information the browser does not need. We explain what it achieves, what it does not solve and when it is worth doing.
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An image can look perfect and still be much heavier than necessary. Choosing the right format, dimensions and compression helps your website load faster without giving up good visual quality.
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Your domain will be one of the main addresses of your business online. We explain what extensions such as .com, .it, .es, .eu or .ar mean, how to choose a good name and what you can do if someone has already registered the domain that matches your company or brand.
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Your website should clearly answer the questions a potential customer asks before getting in touch, buying or hiring you. Here is what information is worth showing and how to check whether people really understand it.
Read moreProfessional profile
About me
Web development with the goal of making them simple, clear and useful.
