Rocket Validator automatically checks your pages on the W3C Validator.
HTML issues tagged as svg.
<pattern> element has been found with an invalid ID. Check the format of the ID and ensure it does not start with a digit, full stop (.) or hyphen (-).
<pattern> element is used within
<svg> elements, which use XML 1.0 syntax. That syntax specifies that valid IDs only include designated characters (letters, digits, and a few punctuation marks), and do not start with a digit, a full stop (.) character, or a hyphen-minus (-) character.
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/)
25,000 HTML checks per month. Is that enough for your site?
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