Generating 50+ SEO Landing Pages from a Static Site Build Script

I run TextTimeTools , a free site with speaking-time and reading-time calculators. It's a pure static site deployed to Cloudflare Pages — no backend, no database, no CMS. The calculators themselves are one page. But the site has 50+ pages , each targeting a different keyword like "how many words is a 5 minute speech" or "how long to read 1000 words". Every single one of those pages is generated by a build script. I've never written one by hand. Here's the pattern, and why it's the highest-leverage thing I've done for this site's organic traffic. The problem with a single calculator page A speaking-time calculator answers one query well: "how many words is my speech". But people don't search for tools — they search for answers : "how many words is a 5 minute speech" "how many words for a 3 minute speech" "how long to read 1000 words" "how long to read 5000 words" Each of those is a separate keyword with its own search intent and its own competition. One calculator page can't rank for all of them — a page titled "Speaking Time Calculator" has no reason to show up for "how long to read 1000 words". The classic fix is to write a page per keyword. That works, but it doesn't scale — every new keyword means hand-writing another page, and keeping them consistent is a nightmare. The fix: generate pages at build time The build script ( gen-longtail.cjs ) takes a list of keyword targets and emits a complete, keyword-specific HTML page for each one. The word count pages and reading time pages are both generated this way. const PAGES = [ { minutes : 1 , slug : ' how-many-words-is-a-1-minute-speech ' , variant : ' is-a ' }, { minutes : 2 , slug : ' how-many-words-is-a-2-minute-speech ' , variant : ' is-a ' }, { minutes : 5 , slug : ' how-many-words-is-a-5-minute-speech ' , variant : ' is-a ' }, // ... up to 15 minutes { minutes : 2 , slug : ' how-many-words-for-a-2-minute-speech ' , variant : ' for-a ' }, { minutes : 5 , slug : ' how-many-words-for-a-5-minute-speech ' , variant :