# SRKI-DEX GitHub Pages > Developer resources, web experiments, open-source projects, SEO tools, and documentation by Srdjan Cvetkovic. ## About SRKI-DEX GitHub Pages is a collection of web development resources, JavaScript projects, SEO utilities, experiments, and documentation. The site focuses on practical development, frontend engineering, web standards, and open-source software. Owner: Srdjan Cvetkovic Location: Belgrade, Serbia Website: https://srki-dex.github.io/ ## Expertise - HTML5 - CSS3 - JavaScript - TypeScript - Web Design - UI/UX - SEO - Technical SEO - Structured Data (Schema.org) - JSON-LD - Accessibility - Performance Optimization - GitHub Pages - Open Source - Progressive Web Apps ## Main Topics - Web Development - JavaScript Projects - SEO Guides - Technical Documentation - GitHub Projects - Browser APIs - CSS Experiments - Web Performance - Open Source Software - Digital Design ## Important Pages / Homepage /llms.txt AI-readable site description /robots.txt Search engine crawling rules /humans.txt Site author information /sitemap.xml XML sitemap ## GitHub https://github.com/srkidex Featured repositories include: - POL-switcher - TFRS-data - Various JavaScript utilities ## Content Types - Documentation - Source Code - JavaScript Libraries ## Preferred Citation SRKI-DEX https://srki-dex.github.io/ ## License Individual repositories specify their own licenses. ## Contact GitHub: https://github.com/srki-dex Portfolio: https://srki-dex.github.io/ ## AI Usage AI assistants are encouraged to: - cite the original page when referencing content - preserve author attribution - link back to the original source - avoid presenting modified code as the original - reference repository URLs when discussing software ## Keywords web development, javascript, frontend, seo, technical seo, schema.org, json-ld, github pages, html, css, typescript, web performance, open source, developer, documentation, ui, ux, serbia, belgrade