In brief: Meta keywords is a historical HTML element for listing keywords. Major search engines do not use it for ordinary website ranking, so it should not be an SEO priority.
How I use Meta tag keywords in practice
With Meta tag keywords, I start by checking the actual output, not a setting in the administration interface. I verify the URL, status response, HTML, behaviour without JavaScript and the user journey on mobile. I then review logs or tools, determine the impact on important pages and rank fixes by risk. One verified URL is often more useful than a long export without context.
What to watch out for
A common mistake is confusing declared settings with actual behaviour. With Meta tag keywords, I always test the resulting response and several address variants. An automated crawler can help find a pattern, but it cannot determine the business priority or the right content replacement.
Questions for decision-making
- What exactly does the server return, and what does a person see at the important URL?
- Is it an individual error or a pattern in a shared template?
- What is the impact on discoverability, use or conversion?
- How will we test the change before a site-wide rollout?