Independent professional portfolio / 25+ years of experience
Mercenario “Mers” Cadag
Technical SEO & Web Operations Professional
I help diagnose website issues, improve technical SEO, maintain digital platforms, and streamline web workflows. My background spans website QA, WordPress, digital publishing, and technical production.
Search × web operations
Led by technical SEO and web operations.
Built on publishing
QA, technology, and 25+ years of publishing production support the work.
What I do
What I can help with.
Practical website, search, and production work — led by technical SEO and web operations.
Technical SEO
Checking indexing, metadata, redirects, structured data, and site health, then verifying that fixes hold.
Website QA
Testing functionality, content, usability, and compatibility before and after launch, and reporting issues clearly.
Web & WordPress
Maintaining WordPress and modern web platforms, including deployment, DNS, and Cloudflare troubleshooting.
AI & Automation
Using AI-assisted tools to speed up troubleshooting, documentation, content checks, and routine web tasks.
Digital Publishing
Desktop publishing, EPUB/eBook, PDF, and XML production built on two decades of publishing work.
Accessibility
Semantic markup, alt text, long descriptions, and accessible EPUB practices for usable content.