kevin-asprec dd7f6bb745 seo: improve SEO and fix social media link preview image ...

- Fix og:image and twitter:image to use absolute URLs (was the root cause of missing social preview image)
- Add og:image:width, og:image:height, og:image:alt, og:image:type
- Add og:site_name, og:locale, twitter:site, twitter:image:alt
- Add canonical link tag and robots meta
- Add JSON-LD structured data for Organization, SoftwareApplication, WebSite
- Add public/robots.txt pointing to sitemap
- Add public/sitemap.xml for search engine crawling
- Add public/site.webmanifest for PWA/mobile home screen support
- Add theme-color meta and apple-touch-icon link
- Update lang attribute to en-PH

2026-03-17 18:40:50 +08:00

263 B

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