Digital cultural routes for monuments, villages and heritage sites with QR codes, NFC, audio guides, maps and smartphone-ready multimedia content. This DEV.to version is a short engineering note extracted from the case study, with the complete English page linked at the end. Stack at a glance QR Code, NFC, Mobile Web, Audio Guides, Interactive Maps, CMS. Why this matters Cultural routes need a very low-friction user experience. Visitors should not install an app just to access a monument, village or exhibition stop. QR and NFC are simple entry points, but the quality of the experience depends on content structure, accessibility and maintainability. Architecture notes Use mobile web pages as the delivery layer so content can be updated centrally and opened from any smartphone. Separate place metadata, media, audio guides and route navigation so cultural teams can evolve the content without touching code. Design for weak connectivity, readable layouts and fast loading before adding richer media.…