HTML Checking for Large Sites
Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as semicolon.
Character references must always start with an ampersand (&) and end with a semicolon (;), for example the < character can be referenced as <.
CSS properties need to be separated by semicolons. Check for the missing semicolon between properties.
In the example below, a forgotten semicolon before the content property makes the CSS parser unable to understand the properties:
<style>
nice {
z-index: auto
content: "";
display: block;
}
</style>
Fix it by including the forgotten semicolon like this:
<style>
nice {
z-index: auto;
content: "";
display: block;
}
</style>
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