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Dev builds open-source Hijri calendar API page that ranks #1 on Google and Bing

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A developer behind mabims.dev, a free open-source Hijri calendar API for Indonesia, achieved the top search ranking on both Google and Bing for the query 'kalender hijriah mabims' as of September 21, 2026. The calendar page uses server-side rendering via a Node container, with responses cached by a CDN until midnight Jakarta time to avoid redundant origin renders. Key on-page optimizations include a dynamic title tag embedding current years, a FAQ section that doubles as FAQPage JSON-LD structured data, and descriptive alt text on all images. The developer also added explicit disclaimers stating the site is independent of Indonesia's Ministry of Religious Affairs, with explanations for discrepancies against other calendar systems. Supplementary backlinks were built through posts on Dev.to, Medium, and Kompasiana, alongside descriptive anchor links in the project's GitHub READMEs.

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