"Irrelevant content" refers to information or material that is not related or important to a particular topic or situation. It lacks relevance or relevance to the matter at hand. Full definition
You've provided employers with plenty of irrelevant content. (thegrindstone.com)
If nothing else, build your content modular enough for users to be able to match their needs without digging through irrelevant content. (elearningindustry.com)