Rocket Validator automatically scans your sites for accessibility issues using the W3C Validator,
hosted on our own servers and integrated into our web crawler.
Still checking your large sites one page at a time?
Save time using our automated web checker. Let our crawler check your web pages on the W3C Validator.
HTML issues tagged as xml.
A tag starting with
<? has been found within the document, but it’s not supported. Probable causes can be:
Copy-pasting the contents of an SVG file. If you do that, you should only paste the
<svg>...</svg>part, but not the first line with
<?...>tags on server scripting languages like PHP, like
- [freeCodeCamp: How to Use SVG Images in CSS and HTML]https://www.freecodecamp.org/news/use-svg-images-in-css-html/)
When was the last time you validated your whole site?
Keep your sites healthy checking for A11Y/HTML issues on an automated schedule.