The latest articles on DEV Community by Appint (@appint). https://dev.to/appint https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3448931%2Fe8c11ae9-1b5d-4e7c-b13b-745ee6316e31.png https://dev.to/appint en Appint Sun, 11 Oct 2026 05:41:05 +0000 https://dev.to/appint/i-built-217-free-calculators-in-12-languages-notes-on-multilingual-seo-24o5 https://dev.to/appint/i-built-217-free-calculators-in-12-languages-notes-on-multilingual-seo-24o5 <p>I run Calnex (<a href="https://calnex.pro" rel="noopener noreferrer">https://calnex.pro</a>), a free calculator platform. 217 tools, 12 languages, ~7,000 URLs. Here's what's actually happening with SEO:</p> <ol> <li><p><strong>Programmatic pages get crawled but not indexed.</strong> Google crawls everything, then parks 4,000+ pages in "Crawled - currently not indexed." The fix isn't technical — it's convincing Google the pages deserve to exist.</p></li> <li><p><strong>Language versions multiply the problem.</strong> 12 languages × 600 tools = a lot of near-duplicate surface area. Hreflang and self-referencing canonicals are table stakes.</p></li> <li><p><strong>What actually earns indexing:</strong> pages with real substance — worked examples, explanations, internal links — get in. Thin template pages don't.</p></li> <li><p><strong>Validation takes weeks.</strong> Google's "validate fix" flow for thousands of URLs is measured in weeks, not days. Plan accordingly.</p></li> </ol> <p>The site itself is free, no sign-up, no tracking. If you're doing programmatic/multilingual SEO, happy to compare notes.</p> seo webdev sideprojects