SEO & Dev publishing

Generate a deduplicated .gitignore by combining language, framework, OS and editor templates.

Convert URL lists into valid sitemap.xml output with optional lastmod, changefreq and priority fields.

Generate SEO, Open Graph and Twitter tags from page metadata fields.

Search common Tailwind utility classes and view concise CSS behavior mappings.

Build 5-field cron expressions visually and preview upcoming local run times.

Generate robots.txt crawler directives with allow/disallow rules and sitemap entries.

Generate alternate language hreflang tags for international SEO targeting.

Generate starter JSON-LD structured data blocks for pages and entities.

Generate canonical link tags to consolidate duplicate URL indexing signals.

Create 301/302 redirect rule lines for static hosts and migration mapping.

Parse raw HTTP headers into structured key-value entries for debugging.

Preview Open Graph title, description and image tags before publishing.

Preview Google-like title and meta description snippets for pages.

Preview Twitter/X card metadata fields and generated tags.