---
type: "Article"
title: "Crawl Budget Optimization for JavaScript Sites"
description: "Recover crawl budget on JS sites with prerendering, URL cleanup, and crawl routing — fixing thin HTML, slow responses, render delay."
resource: "https://prerender.info/blog/crawl-budget-optimization-for-javascript-sites"
tags: [JavaScript SEO, crawl budget optimization, prerendering, Googlebot crawl efficiency, SPA indexation]
timestamp: 2026-05-11T00:00:00Z
---

# Crawl Budget Optimization for JavaScript Sites

Recover crawl budget on JS sites with prerendering, URL cleanup, and crawl routing — fixing thin HTML, slow responses, render delay.

## Source

Generated from prerender.info editorial content (single source of truth). The canonical, always-current version is the `resource` URL above. Claims reflect prerender.info / ostr.io editorial guidance and are not confirmed from third-party public documentation unless explicitly linked.