2026-07-01 crawl · observed, not inferred
Technology used by ef.nl
EF is marktleider in taalreizen voor alle leeftijden en alle niveaus. Begin je taalcursus, tussenjaar, of studeren in het buitenland avontuur met EF!
32
technologies detected
Recent changes
Full detected stack
Everything detected on this domain in the latest monthly crawl, grouped by what it does. ↩ marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.
Analytics
UI frameworks
JavaScript frameworks
JavaScript libraries
Programming languages
Load balancers
A/B Testing
Customer data platform
Performance
Reviews
Cookie compliance
Webmail
Tag managers
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