Another thing you could look at -- perhaps relevant to HN -- is the number of seed and early stage startups that use the various frameworks: https://news.crunc

Another thing you could look at -- perhaps relevant to HN -- is the number of seed and early stage startups that use the various frameworks: https://news.crunchbase.com/news/popular-web-frameworks-seed-early-stage-startups/ https://news.crunchbase.com/news/popular-web-frameworks-seed... Set aside Angular could be the front end for Rails at the moment. Consider this data: it would be interesting to know which of these get funded. The funding may be an indication of agility i.e. which technology is the most successful and launching and iterating. And then which technology makes it to scale will tell you which ones scale.