Can Google read JavaScript? Yes, but can it really?
Google will eventually crawl all JavaScript, but they haven’t been indexing JavaScript pages very successfully. Every year, we hear the same story: Google says it’s getting better at crawling and indexing Javascript. Except crawling JavaScript, and crawling ALL JavaScript are clearly two different accomplishments. Google can crawl it, render it, but just doesn’t seem to use it in the same way as optimized content. JavaScript pages can’t seem to rank as well in search engines, from what we’ve seen. Title tags come through