Quick answer
Extremely long lines may cause issues in some parsers.
robots.txt Line Length
Extremely long lines may cause issues in some parsers. Keep lines reasonable.
Common causes
- One very long Disallow.
- No line breaks.
How to fix
- Split or shorten.
- One directive per line typically.
FAQ
- Max line length?
- No standard; keep short.
- Multiple paths?
- One directive per line.
Fix it now
Try in validator (prefill this example)