I think the best indicator will be the frequency of occurrence of technology / language in job offers. Check out programming language popularity in job offers:

I think the best indicator will be the frequency of occurrence of technology / language in job offers. Check out programming language popularity in job offers: https://jobsquery.it/stats/language/group https://jobsquery.it/stats/language/group Or just general buzzwords popularity: https://jobsquery.it/stats/tags/group https://jobsquery.it/stats/tags/group