JavaScript Maintenance: stable builds and snappy UX
Professional Javascript maintenance: performance and security without worries.
What’s included
- Javascript framework and library updates : We ensure regular updates of the Javascript framework and all used libraries, guaranteeing compatibility, stability, and security.
- Bundler optimization and code splitting : Improve package management and code splitting to reduce load times and maximize site or app performance.
- Lighthouse & Core Web Vitals audits : Continuous monitoring of performance and user experience, with targeted improvements to meet Lighthouse standards and Core Web Vitals metrics.
- Error tracking and traces : Implementation of logging and monitoring systems to detect and fix errors and incidents in real time.
- CDN and smart caching : Efficient content delivery through CDNs and intelligent caching strategies to speed up access and reduce server load.
Javascript framework and library updates
We ensure regular updates of the Javascript framework and all used libraries on your website. Each update is planned and tested in a secure environment to guarantee compatibility, stability, and security. This prevents potential conflicts and ensures your site runs with the latest features and performance improvements. Progressive updates minimize risks and guarantee full service continuity.
Javascript bundler optimization and code splitting
We improve package management and code splitting to reduce load times and maximize site or app performance. This optimization ensures a faster user experience and better server efficiency.
Lighthouse & Core Web Vitals audits
Continuous monitoring of performance and user experience with Lighthouse and Core Web Vitals. We implement targeted improvements to ensure speed, accessibility, and optimal SEO scores.
Javascript error tracking and traces
We set up logging and monitoring systems to detect and fix errors and issues in real time, reducing failure risks and improving application reliability.
CDN and smart caching
Efficient content delivery via CDN and intelligent caching strategies to speed up access and reduce server load, ensuring availability and fast performance for end users.
Our Javascript maintenance service ensures your website runs stably, securely, and efficiently at all times. We handle all updates for the Javascript framework, libraries, themes, and extensions, making sure your site is always up-to-date and protected against any vulnerabilities or technical issues.
We implement advanced security measures to protect your users’ data and your content, preventing cyberattacks, malware, or intrusion attempts. Additionally, we optimize your site’s speed and performance through file compression, image optimization, and efficient management of Javascript scripts, caches, and bundles. This ensures instant page loading, delivering a smooth user experience, reducing bounce rates, and improving SEO.
Our proactive support team continuously monitors your Javascript site, identifying and resolving issues before they affect your visitors. With our service, you can focus on what matters most: creating content, growing your business, and engaging your audience, while we ensure your site operates optimally, securely, and always ready to deliver the best possible experience.


Procedimiento de contratación
Datos de la empresa o persona que solicita el servicio
Rellena el formulario con nombre, empresa, CIF/NIF, teléfono, dirección y correo; acepta la política de privacidad.
Al enviarlo, creamos tu expediente e
id_url
, te confirmamos por email y habilitamos el pago para iniciar el diagnóstico.Proceso de pago con tarjeta
1) Envía el formulario del paso anterior: creamos tu expediente y habilitamos el botón de pago.
2) Pulsa “Pagar ahora”, introduce los datos de tu tarjeta y confirma. Al instante verás el estado y podrás descargar tu factura.
Pago cifrado a través de Revolut Pay. No almacenamos los datos de tu tarjeta.Servicio: mantenimiento-javascript
Precio: 0,10 € (IVA incl.)Para activar el pago, primero envía el formulario del paso anterior.Debe ser el nombre y apellido tal como aparecen en la tarjeta con la que vas a pagar.Acceso FTP
¿No sabes qué es un FTP o crees que tus credenciales son correctas y aun así no conecta? Haz clic en este enlace para abrir una mini ventana donde podrás indicar tu dominio (ej:
google.com
) y te ayudamos a completar el campo Host.1) Rellena host, puerto, usuario y contraseña. Si tu hosting admite FTPS, márcalo; el modo pasivo queda activado por defecto.
2) Al pulsar “Probar y guardar”, comprobamos la conexión, creamos y borramos
almc_ping.txt
. Si todo va bien, guardamos los datos en tu expediente.Recomendado: FTPS (990). SFTP (22) no está soportado. Si no tienes usuario FTP, crea uno desde tu panel de hosting.Debes haber enviado primero la solicitud (Paso 1) para generar tuid_url
.Coordinación tras recibir el acceso
Debes haber enviado primero la solicitud (Paso 1) para generar tu id_url.