SEO Checker is a complete PHP website audit tool built with pure PHP, HTML, CSS, and JavaScript. It allows visitors to check a website and view a structured SEO report with on-page SEO, links, usability, performance, social signals, GEO, technology checks, and actionable recommendations.

The system includes a clean responsive frontend, a secure admin panel, JSON-based storage, dynamic sitemap generation, editable pages, cookie notice settings, translations, and a built-in update manager. It is designed for shared hosting and does not require MySQL or complex dependencies.

Teste Demo in: https://desenvolvedor.org/apps...

Admin Demo: https://desenvolvedor.org/apps...

Login Demo: Admin

Password Demo: admin123

Pure PHP, HTML, CSS, and JavaScript No MySQL required JSON-based storage Modern responsive frontend SEO audit report page On-page SEO checks GEO checks Link structure checks Social signal checks Usability checks Performance checks Technology detection Recommendations by priority Dynamic sitemap generation Recent checked websites list Admin login with captcha and brute-force protection Admin password change area Demo mode for read-only admin previews Editable site settings Editable header and footer menus Editable privacy, terms, and contact pages Cookie notice enable/disable option Custom analytics and ad scripts Multilanguage support: English, Portuguese, Spanish ZIP update manager Temporary file cleanup tool Shared hosting friendly

PHP 8.1 or higher Apache with .htaccess support 

PHP JSON extension 

PHP DOM extension 

PHP libxml extension 

PHP fileinfo extension 

PHP cURL recommended 

PHP OpenSSL recommended 

Writable data/ folder 

Writable assets/uploads/ folder 

No MySQL database required

Upload all files to your hosting account. Open the installation URL in your browser. Check the server requirements shown by the installer. Enter the installation email and website URL. Create the admin username and password. Log in to the admin panel. Configure site name, logo, favicon, menus, footer, pages, scripts, and cookie notice. Use the public homepage to run SEO audits. Use the update area to upload future update ZIP packages. See the included documentation in the docs/ folder for full setup details.