robots-txt
Ensure robots.txt is 200 OK.
Robots.txt is a text file webmasters create to instruct web robots (typically search engine robots) how to crawl pages on their website. The robots.txt file is part of the the robots exclusion protocol (REP), a group of web standards that regulate how robots crawl the web, access and index content, and serve that content up to users.
Install
This checkers comes with the preflight-command package. No extra setup steps needed.
Config
WARNING
Changing this checker's config doesn't make sense. Use with caution!
# disable it
[robots-txt]
enabled = false
Solution
Upload robots.txt to web root.