HTML Checking for Large Sites
Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
<title> element, used to define the document’s title, is required and must not be empty.
<html> <head> <title>Automated Website Validator</title> </head> <body> <p>...</p> </body> </html>
Related W3C validator issues
The <head> section of an HTML document contains metadata about the document, and as a minimum it must include a <title> tag defining the document title.
Common causes for this issue are forgetting to define the <title>, or duplicated <head> sections where one of them does not include the title.
Here’s an example of a minimal HTML document including the title:
<!DOCTYPE html> <html> <head> <title>Don't panic! This is the title</title> </head> <body> <p></p> </body> </html>
Drop-down lists can be defined in HTML by using the <select> tag, containing the different <option>s. Each <option> must have a name, which can be either contained between <option> and </option>, or alternatively using the label attribute.
<select name="size"> <option value="s">small</option> <option value="m" label="medium"></option> </select>
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