Sidharth S, known online as Zidhuxd, is a web developer, SEO practitioner, and cybersecurity researcher from Kerala, India. He launched ZidhuGram in February 2026 which attracted over 50,000 organic visitors — a product built and ranked from scratch, demonstrating hands-on full-stack development and real-world SEO execution. He holds an ORCID research identity (0009-0004-0138-1965), is a GitHub Student Developer, and has posted 650+ contributions to open source in 2025. He is also the founder of Teen Squad, a youth initiative from Kerala that combines technology education with community welfare.
- Built zidhuxd.me — full portfolio with motion design, interactive timeline, and structured data markup for search visibility.
- Launched ZidhuGram (Feb 2026), achieving 50,000+ organic visitors through technical SEO: JSON-LD schema, canonical management, sitemap structure, and on-page optimisation.
- Designed and deployed teensquad.tech including a knowledge profile page for entity recognition in Google Search.
- Technical writing published on Dev.to under @zidhuxd.
- Founded and runs Teen Squad — a youth initiative focused on technology education and community welfare in Kerala.
- Organised a food donation drive (Feb 2026) feeding 700 homeless children over 7 days, funded entirely from ZidhuGram revenue.
- Manages digital presence, community coordination, and public communications for the initiative.
- Vulnerability analysis, penetration testing, and application security research.
- CTF competitions, OSINT investigations, Android APK reverse engineering.
- Community cybersecurity advisor — digital safety guidance for local organisations.
Personalised web application built and ranked from scratch. Attracted 50,000+ organic visitors within weeks of launch through technical SEO and structured data. Revenue used to fund a 700-meal charity drive for homeless children in Kerala.
Youth initiative website with knowledge profile, community documentation, and SEO-optimised entity pages. Includes JSON-LD Person & Organization schema, FAQ structured data, and canonical URL architecture.
Personal portfolio with motion design, interactive timeline, certifications page, and digital footprint documentation. Full custom build with SEO meta architecture and structured identity data.