LCM Calculator
Changelog

Site changelog

Every release of LCM Calculator, with the SEO, AI-SEO, UI/UX and performance changes that shipped.

v13

Author profile, topic hubs, WebP images, changelog

  • Added a dedicated author page for SOWROV with full Person schema and sameAs profile links.
  • Added four topic-cluster hub pages: LCM, GCD, primes, fractions.
  • Added “What you’ll learn” key-takeaways callout to every blog post.
  • Generated WebP versions of all 38 blog hero images (~50% byte savings).
  • Linked every blog post’s Article schema to the SOWROV Person entity.
  • Added this changelog page with TechArticle ItemList schema.
v12

AI-SEO answer blocks + internal-linking pass

  • Added aside.tldr Quick Answer block above the fold on every blog post.
  • Added prev/next post navigation and 3-card “Keep reading” related-articles block.
  • Enriched Article schema with wordCount, timeRequired, speakable.
  • Added HowTo schema to every calculator page.
  • Added dns-prefetch and preload as=image hints to cut LCP.
  • Added /.well-known/security.txt and humans.txt.
v11

2026 standards baseline pass

  • Fixed double-brace bug in WebSite SearchAction urlTemplate.
  • Generated a 16 KB logo-header.png (replaces the 217 KB header logo image).
  • Added anti-FOUC inline theme-init script to prevent dark/light flash.
  • Made Google Fonts non-render-blocking via media=print onload swap.
  • Removed obsolete meta name=keywords, standardised llms.txt link.
  • Added color-scheme meta, rel=sitemap, bumped SW cache.