What inspired me to build SEO Titan was the frustration with traditional SEO audit tools that require you to enter a URL, then wait, and often upload your page data to who knows where. As a developer and founder of VisiCraft, I wanted an audit tool that works 100% in the browser : no server, no tracking, no cookie consent banner. The problem I was solving: small site owners, freelancers, and devs need a quick, private, and free way to audit a single HTML page (staging, local, or password‑protected) without exposing it to a third‑party API. The approach evolved from a simple meta tags checker to a full 10‑module scoring engine. I added Schema.org validation, Open Graph, security checks, and a Flesch readability score for French content. The biggest challenge was making the JSON‑LD validator robust and keeping all processing instant even for large HTML. I also decided to force users to paste HTML instead of entering a URL : this guarantees zero data leaves the browser and makes the tool work for any page, even local ones. The result is a privacy‑first, fully transparent SEO auditor that gives a weighted score out of 100 and exports to PDF.

SEO Titan

SEO audit 100% client side, no data sent

SEO audit 100% client side, no data sent