What's The Fastest Train Booking Website In Europe?
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An analysis of 25 European national railway websites ranked by Core Web Vitals performance using real-user CrUX data. Denmark's dsb.dk tops the rankings with an LCP under 1 second, while Spain's renfe.es finishes last at 3.73 seconds. The study goes beyond LCP to examine INP and CLS issues, finding that fast load times don't guarantee a good overall experience — UK's nationalrail.co.uk and Finland's vr.fi both suffer poor INP scores due to unnecessary React re-renders and long tasks. Root causes for slow sites include render-blocking scripts, CSS-hidden content, and late-loading cookie consent banners, with actionable fixes suggested for each.
