How Google handles JavaScript throughout the indexing process

Vercel and MERJ published research analyzing over 37,000 Googlebot fetches to test common beliefs about JavaScript rendering and SEO.

• The study, conducted from April 1 to April 30, 2024, focused on nextjs.org and two other sites, using custom Edge Middleware to track rendering behavior.
• The article examines the evolution of Google's rendering capabilities and addresses myths such as 'Google can’t render JavaScript content.'