--- title: JF Blog | James Rivera description: Practical articles on web development, accessibility, and best practices for developers who care about building it right. --- [Skip to content](https://thedeveloper.javierfuentes.cl/blog/author/james-rivera#main-content) [![Javier Fuentes - The Developer](https://thedeveloper.javierfuentes.cl/hubfs/jf-dev/img/logos/jf-logo.svg "Javier Fuentes - The Developer")](https://thedeveloper.javierfuentes.cl/) - [Home](https://thedeveloper.javierfuentes.cl/qa-test) - Products Show submenu for Products - [Product 1](https://thedeveloper.javierfuentes.cl/qa-test) Show submenu for Product 1 - [Sub Product 1](https://thedeveloper.javierfuentes.cl/qa-test) - Product 2 Show submenu for Product 2 - [Sub Product 2](https://thedeveloper.javierfuentes.cl/qa-test) - [Sub Product 3](https://thedeveloper.javierfuentes.cl/qa-test) - [Pricing](https://thedeveloper.javierfuentes.cl/qa-test) - Blog - [Company](https://thedeveloper.javierfuentes.cl/qa-test) Show submenu for Company - [History](https://thedeveloper.javierfuentes.cl/qa-test) - [Open Positions](https://thedeveloper.javierfuentes.cl/qa-test) - [Home](https://thedeveloper.javierfuentes.cl/qa-test) - Products Show submenu for Products - [Product 1](https://thedeveloper.javierfuentes.cl/qa-test) Show submenu for Product 1 - [Sub Product 1](https://thedeveloper.javierfuentes.cl/qa-test) - Product 2 Show submenu for Product 2 - [Sub Product 2](https://thedeveloper.javierfuentes.cl/qa-test) - [Sub Product 3](https://thedeveloper.javierfuentes.cl/qa-test) - [Pricing](https://thedeveloper.javierfuentes.cl/qa-test) - Blog - [Company](https://thedeveloper.javierfuentes.cl/qa-test) Show submenu for Company - [History](https://thedeveloper.javierfuentes.cl/qa-test) - [Open Positions](https://thedeveloper.javierfuentes.cl/qa-test) Search - There are no suggestions because the search field is empty. ## Latest articles Explore the latest posts from the blog. All Posts Accessibility Best-Practices Javascript CSS HTML UX WCAG Workflow Design-Systems Performance Jul 20, 2025 ![Writing Clean and Maintainable JavaScript in 2025](https://thedeveloper.javierfuentes.cl/hs-fs/hubfs/Imported_Blog_Media/photo-1517694712202-14dd9538aa97-1.jpg?width=600&height=300&name=photo-1517694712202-14dd9538aa97-1.jpg) - [Best-Practices](https://thedeveloper.javierfuentes.cl/blog/tag/best-practices) - [Javascript](https://thedeveloper.javierfuentes.cl/blog/tag/javascript) ### Writing Clean and Maintainable JavaScript in 2025 1 Clean JavaScript is not about using the latest syntax — it is about clarity of intent. This post covers naming conventions, function size,... By [James Rivera](https://thedeveloper.javierfuentes.cl/blog/author/james-rivera) Read more   **〉** Jun 10, 2024 ![Dark Mode Implementation: Accessibility and User Preference](https://thedeveloper.javierfuentes.cl/hs-fs/hubfs/Imported_Blog_Media/photo-1555099962-4199c345e5dd-1.jpg?width=600&height=300&name=photo-1555099962-4199c345e5dd-1.jpg) - [Accessibility](https://thedeveloper.javierfuentes.cl/blog/tag/accessibility) - [CSS](https://thedeveloper.javierfuentes.cl/blog/tag/css) - [UX](https://thedeveloper.javierfuentes.cl/blog/tag/ux) ### Dark Mode Implementation: Accessibility and User Preference Dark mode is more than a trend — for some users, it is a necessity. Implementing it correctly requires CSS custom properties, the prefers-co... By [James Rivera](https://thedeveloper.javierfuentes.cl/blog/author/james-rivera) Read more   **〉** Apr 10, 2023 ![Color Contrast Ratios: Meeting WCAG AA and AAA Standards](https://thedeveloper.javierfuentes.cl/hs-fs/hubfs/Imported_Blog_Media/photo-1487017159836-4e23ece2e4cf-1.jpg?width=600&height=300&name=photo-1487017159836-4e23ece2e4cf-1.jpg) - [Accessibility](https://thedeveloper.javierfuentes.cl/blog/tag/accessibility) - [WCAG](https://thedeveloper.javierfuentes.cl/blog/tag/wcag) ### Color Contrast Ratios: Meeting WCAG AA and AAA Standards Color contrast is one of the most common accessibility failures on the web. WCAG 2.1 requires a minimum contrast ratio of 4.5:1 for normal t... By [James Rivera](https://thedeveloper.javierfuentes.cl/blog/author/james-rivera) Read more   **〉** Load more Loading... No more posts to load. Failed to load posts. Please try again. [Follow us on Facebook](https://www.facebook.com/) [Follow us on LinkedIn](https://www.linkedin.com/) [Follow us on Twitter](https://www.twitter.com/) [Follow us on Instagram](https://www.instagram.com/) © 2026 All rights reserved.