Audisto Crawler Hints
Client Side Rendering Analyzer - JavaScript & DOM Tool
What is the rendering checker for
Detect Runtime Issues: Find JavaScript errors, console warnings, and resource loading problems that affect page functionality and user experience.
Validate Dynamic Changes: Identify content modifications during rendering including title, meta description, and heading changes that could impact SEO.
Ensure Security Compliance: Monitor Content Security Policy implementations and blocked content that could affect page rendering and functionality.
Track Resource Health: Monitor resource loading and DOM size across your website to maintain optimal rendering performance.
How to check page rendering issues at scale
Clean rendering ensures reliability
Proper client-side rendering is crucial for modern web applications. Our analysis helps you maintain reliable JavaScript execution and content delivery. While our quick check provides immediate rendering insights for single pages, our full crawler ensures consistent rendering across your entire website.
Critical Rendering related hints
Rendering: Console errors
This hint identifies all HTML documents where rendering results in error message within the console output.Learn more
Rendering: Content blocked by Content Security Policy
This hint detects all HTML documents where content rendering is blocked by a Content Security Policy during rendering.Learn more
Rendering: Has JavaScript errors
This hint detects all HTML documents with JavaScript errors during rendering.Learn more
Rendering: Inline content blocked by Content Security Policy
This hint detects all HTML documents where inline content is blocked by the Content Security Policy during rendering.Learn more
Problem indicating Rendering related hints
<html> contains more than 1500 nodes
The HTML of a page has an excessive DOM size of more than 1.500 nodes.Learn more<html> contains unencoded joiner chars
A zero-width joiner or zero-width non-joiner was found, but it is not encoded as HTML entity.Learn more<img> has no width and/or height attribute
If an image without a width or height attribute is found, the URL is flagged with this hint.Learn moreRendering: Canonical URL changed
This hint detects all HTML documents where the canonical URL is modified or set dynamically during rendering.Learn moreRendering: Client side redirect
This hint identifies all HTML documents where rendering results in a client side redirect.Learn moreRendering: Dialog pops up
This hint identifies all HTML documents where rendering results in dialog to pop up.Learn moreRendering: Has failing GET resources
This hint identifies all HTML documents where one or more resources fail to load via a GET request during rendering, such as images, scripts, or stylesheets.Learn moreRendering: Has failing resources
This hint identifies all HTML documents where one or more resources fail to load during rendering, such as images, scripts, or stylesheets.Learn moreRendering: Incomplete Resources
This hint identifies URLs which had resources with recoverable errors during final rendering.Learn moreRendering: Meta description changed
This hint detects all HTML documents where the meta description is modified dynamically during rendering.Learn moreRendering: Page title changed
This hint detects all HTML documents where the page title is modified dynamically during rendering.Learn moreRendering: Robot directive changed
This hint detects all HTML documents with robot directives modified dynamically via JavaScript during rendering.Learn more
Informational Rendering related hints
Rendering: Console output
This hint identifies all HTML documents where rendering results in console output.Learn moreRendering: Content has changed
This hint detects all HTML documents where the content is modified dynamically during rendering.Learn moreRendering: Headings changed
This hint detects all HTML documents where headings are modified dynamically during rendering.Learn more