Which is better meta robot tags or robots txt?

It All depends on what you're trying to do. Robots. txt files are best for disallowing a section of your website, like a category, meta tag works best at disallowing or not allowing single files and whole pages to be indexed in search engines. You can also tell search engines to no follow or no index different pages and links on your website or blog.

Robots. txt files are best for disallowing a whole section of a site, such as a category whereas a meta tag is more efficient at disallowing single files and pages. You could choose to use both a meta robots tag and a robots.

Robots. txt files are best for disallowing a whole section of a site, such as a category whereas a meta tag is more efficient at disallowing single files and pages. You could choose to use both a meta robots tag and a robots.

Robots. txt files are best for disallowing a whole section of a site, such as a category whereas a meta tag is more efficient at disallowing single files and pages. You could choose to use both a meta robots tag and a robots.

Robots. txt files are best for disallowing a whole section of a site, such as a category whereas a meta tag is more efficient at disallowing single files and pages. You could choose to use both a meta robots tag and a robots.

Robots. txt files are best for disallowing a whole section of a site, such as a category whereas a meta tag is more efficient at disallowing single files and pages. You could choose to use both a meta robots tag and a robots.

txt files are best for disabling a whole section of a site, such as a category, whereas a meta tag is more efficient at disabling single files and pages.
robots.txt to prevent search engines from accessing certain directories (e.g., /admin/), while using meta robots tags to prevent indexing on specific pages within allowed directories.