Audisto Crawler Hints
JavaScript Implementation Checker Performance & Best Practices Tool
What is the JavaScript checker for
Optimize Script Loading: Detect issues with multiple script files and inefficient loading patterns that could impact page performance and load times.
Improve Code Organization: Find problems with inline JavaScript size and implementation that could affect maintainability and page rendering.
Enhance User Experience: Identify potential JavaScript conflicts and implementation issues that might affect interaction behavior.
Monitor Script Health: Track JavaScript-related changes across your website to maintain optimal performance and prevent technical debt.
How to check JavaScript issues at scale

Smart JavaScript delivers results
Efficient JavaScript implementation is crucial for modern website performance. Our analysis helps you optimize script delivery and organization. While our quick check provides immediate JavaScript insights for single pages, our full crawler ensures efficient implementation across your entire website.
Problem indicating JavaScript related hints

<script> loaded multiple files from local domain
If multiple JavaScript files from the crawled domain are loaded, the URL is flagged with this hint.Learn more
<script> more than 3 KiB within HTML
If more than 3 KiB of JavaScript is found within the HTML, the URL is flagged with this hint.Learn more
Informational JavaScript related hints

<a> has both href and onclick attributes
If a link with an href attribute and an onclick attribute is found, the URL is flagged with this hint.Learn more