Audisto Crawler Hints
Base Tag Validator URL Resolution & Link Checker
What is the base tag checker for
Ensure Proper URL Resolution: Detect issues with base tag implementation including duplicate tags, malformed URLs, and path-only references that affect link resolution.
Validate Link Behavior: Find problems with fragment links, cross-domain references, and protocol changes that could break navigation and crawling.
Maintain Clean Structure: Identify improper base tag usage patterns that could confuse browsers and search engines about your site structure.
Monitor Base Implementation: Track base tag changes across your website to prevent navigation issues and maintain consistent URL resolution.
How to check base tag issues at scale
Base tags need precision
Proper base tag implementation is crucial for reliable URL resolution and site navigation. Our analysis helps you maintain clean and effective base tag usage. While our quick check provides immediate insights for single pages, our full crawler ensures consistent base tag implementation across your entire website.
Critical HTML <base> related hints
<a> links to fragment only, but <base> points to another URL
<a> links to fragment only, while there is a <base> pointing to another URLLearn more
<base>: Contains malformed or empty href
A <base> tag was found, but its href attribute contains an invalid URL, or a URL that is neither HTTP nor HTTPS.Learn more
<base>: Found more than once and differs
More than one <base> directive are found with a differing href attribute value.Learn more
<base>: Href contains a path only
The <base> tag's href attribute contains a path, not an absolute URL.Learn more<base>: Occurs more than once
More than one <base> tag was found.Learn more
Informational HTML <base> related hints
<base>: Found
If a base is set in the HTML, the URL is flagged with this hint.Learn more<base>: Host change
This hint identifies all URLs that have a <base> pointing to another host.Learn more<base>: Is same as URL
A <base> tag was found, but it points to the same URL, thereby rendering itself useless.Learn more<base>: Points to other URL
A <base> tag was found and it points to another URL.Learn more<base>: Protocol change
This hint identifies all URLs that have a base tag that changes the protocol from HTTP to HTTPS or vice versa.Learn more<base>: To external URL
This hint identifies all URLs that have a base tag that points to a URL that is not within the crawled domain(s).Learn more