Google Lighthouse finds such an error as a result of a scan and immediately flags the
HTML element with an invalid value. The audit is as follows:
How To Pass the Invalid Lang Attribution Audit in
If you want to fix an invalid attribute inside the
HTML element, take a look at the valid language code list. Find the language you want to specify in the HTML world and write it here. In this way, a correct pronunciation will be provided.
If you want to find out the right language tag for you, then click here.
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