Diffbot
SafeUser-agent: Diffbot
Category: Data Scrapers
SEO impact if blocked: 2/10
Diffbot
1 crawler operated by Diffbot
Who Diffbot is, for site owners
Diffbot operates 1 crawler in our directory, filed under Data Scrapers. Its crawl behaviour is rated safe.
Blocking Diffbot carries an SEO impact score of 2/10. Blocking impact is rated: Low - No SEO ranking impact.
Our recommendation for Diffbot: Generally safe to allow; provides legitimate crawling value.
Diffbot at a glance
| Operator | Diffbot |
|---|---|
| Crawler in directory | 1 |
| Categories | Data Scrapers |
| SEO impact if blocked | 2/10 |
| Crawl behaviour | 1 rated safe |
Crawler operated by Diffbot
How to block or allow Diffbot in robots.txt
This rule covers the single crawler Diffbot operates. Add it to the robots.txt file at the root of your domain.
Block Diffbot completely
User-agent: Diffbot
Disallow: /
Allow Diffbot explicitly
User-agent: Diffbot
Allow: /
robots.txt is a request, not an enforcement mechanism. A crawler that ignores it needs a block at the server or CDN layer. Rules are case-sensitive on the path and matched against the user-agent token, not the full user-agent string.
Frequently asked questions about Diffbot
What crawler does Diffbot run?
Diffbot operates 1 crawler in our directory: Diffbot (user-agent Diffbot).
Should I block Diffbot?
Generally safe to allow; provides legitimate crawling value. The SEO impact score for blocking is 2/10, where 10 means blocking costs you the most visibility.
How do I block Diffbot in robots.txt?
Add the following to robots.txt at your domain root: User-agent: Diffbot then Disallow: /.
Does blocking Diffbot hurt my search rankings?
Blocking impact is rated: Low - No SEO ranking impact. Google's own ranking crawler is Googlebot, which this operator does not run, so blocking Diffbot does not by itself remove you from Google's index. What it can change is whether AI assistants and analytics tools can read your pages.