OK we can change the content at any frequency. But what about <title>, description-meta tag, keywords meta tag. I think if we change title, description, keywords of any website daily, then that may affect page ranking. What is the real fact? What is the minimum and maximum rate of frequency to change these items? Legal practice may different from successful practice. Please explain me.NOTE: If this type of question answered before, then mention the link and please don't close or ban the question.
Optimized rate of frequency of changing title and description/keywords meta-tag?
meta tags