Blog Details

Mistake 5: Forgetting to Use History API for Client-Side Routing

This is a common mistake for single-page applications (SPAs). If you do client-side routing without using the History API, your URLs will look like example.com/#/product. Hash-based URLs are problematic for Google. They are often ignored or treated as separate sessions.

I’ve consulted for a startup that used hash routing exclusively. Their content was technically accessible, but Google never indexed their pages because hash URLs were not considered distinct. All their marketing spend went to landing pages that didn’t exist in the index.

Fix: Switch to HTML5 History API for routing. Use window.history.pushState to change the URL without a full page reload. Ensure each route has a unique server-rendered fallback or pre-rendered version. This is a core requirement for any serious SPA.

Mistake 6: Bloatware DOM Size That Slows Down Indexing

If your page renders 10,000+ DOM nodes, Google’s rendering engine will struggle. Large DOM sizes increase memory usage and slow down page processing. It disrupts indexing may also cause Google to skip deep elements.

A typical React app with heavy nested components often blows past 5,000 nodes. One client had a dashboard site with over 20,000 nodes. Google indexed the page but only the first 2,000 nodes—you can guess what happened: all critical content was lost.

Fix: Keep your DOM under 1,500 nodes per best practices. Use pagination, virtual scrolling, or drop unnecessary UI frameworks. Also, remember that every DOM node is something an AI search engine has to parse. For generative engine optimization, a lean DOM is a ranking factor.

Mistake 7: Injecting Title and Meta Tags with JavaScript

Search engines, especially Google, can render JavaScript and read the final DOM, so injecting