at a previous company (2019-20) we did some tests on this. The main problem with relying on js rendering is that it happened much much later than the crawl. Da

at a previous company (2019-20) we did some tests on this. The main problem with relying on js rendering is that it happened much much later than the crawl. Days at least and sometimes weeks. For us, fresh content was key, so js rendering was not possible.