What are the technical hints for
Detect critical technical issues, covering everything from HTML validation to security vulnerabilities that could impact your website.
Monitor implementation quality of key SEO elements including meta information, canonical tags, and site structure to maximize search visibility.
Validate your code and content against current web standards and best practices to maintain optimal performance and user experience.
Track changes and identify regressions before they affect your business with comprehensive technical monitoring across your entire website.
What does our crawler do
Data collection
The Audisto Crawler performs 198 checks on each URL it crawls. All URLs that match the check during crawling are flagged with the matching hint.
Reporting
The reports for each hint list all URLs that were flagged during crawling. We also group the hints by topic. There are several groups, which you can find below.
Detailed analysis
For many hints, it is possible to display the triggering source code, based on saved crawl data or based on a live report.
How to check hints at scale
Hint groups

CSS
Hints that cover CSS topicsLearn more
Canonical
Covers canonical linksLearn more
Content
Hints related to contentLearn more
Encoding
Hints related to encoding and charsetsLearn more
Errors
Errors like malformed URLs or HTML tagsLearn more
HTML <base>
<base> related hintsLearn more
HTML <form>
Hints related to formsLearn more
HTML <head>
Groups hints for everything that is placed in HTML <head>, like <meta description>Learn more
HTML <hx>
Hints that cover HTML headings (<h1> to <h6>)Learn more
HTML <meta description>
<meta description> related hintsLearn more
HTML <title>
<title> related hintsLearn more
HTML Frames
<iframe> or <frameset> related hintsLearn more
HTML Markup
Hints related to the HTML markupLearn more
HTTP Header
Hints related to HTTP response headersLearn more
Hreflang
Hints related to hreflang linksLearn more
Images
Notable things regarding imagesLearn more
JavaScript
Hints that relate to JavaScriptLearn more
Links
Hints on linking your documentsLearn more
Performance
Performance related hints, regarding both downloading and rendering a documentLearn more
Quality
Issues that affect a site's qualityLearn more
Ranking
Indicates issues that may affect ranking in the SERPsLearn more
Redirects
Contains hints related to HTTP redirectsLearn more
Rendering
Hints related to rendering contentLearn more
Robots
Hints related to robots meta tagsLearn more
Search Snippet
For issues that may affect the snippet in a SERPLearn more
Security
Indicates issues that may effect security, e.g. regarding HTTPS URLsLearn more
Sitemap
Hints related to sitemapsLearn more
Size
Hints on a URLs's file sizeLearn more
Structure
Hints regarding structural issues, like nofollow-linksLearn more
URL
Everything related to a resource's URLLearn more