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TurnitinBot

Operated by Turnitin

Quick Facts

User-Agent:TurnitinBot
Category:Other Agents
Operator:Turnitin
Safety:Safe
Blocking Impact:Varies — Evaluate before blocking
SEO Impact Score:0/10

What is TurnitinBot?

The bot user-agent for Turnitin's plagiarism detection service.

The bot user-agent for Turnitin's plagiarism detection service. TurnitinBot crawls websites using the user-agent TurnitinBot. Review the safety rating and blocking impact below.

What happens if you block TurnitinBot?

❓ **Impact Unknown** — The SEO consequences of blocking TurnitinBot are not fully documented. Before blocking, check your analytics to confirm whether this bot generates referral traffic, review your server logs for crawl frequency, and test in a staging environment if possible.
Generally safe to allow; provides legitimate crawling value.

How to block TurnitinBot with robots.txt

<code>User-agent: TurnitinBot</code> — Matching is case-insensitive. Robots.txt is fetched from the root of each subdomain separately.

Block completely (robots.txt)
User-agent: TurnitinBot Disallow: /
Allow all (robots.txt)
User-agent: TurnitinBot Allow: /
Block private only (robots.txt)
User-agent: TurnitinBot Disallow: /private/ Disallow: /api/ Disallow: /admin/ Allow: /
Nginx server block
# Nginx: Hard-block TurnitinBot if ($http_user_agent ~* "TurnitinBot") { return 403 "Bot blocked"; }
Apache .htaccess
# Apache: Hard-block TurnitinBot SetEnvIfNoCase User-Agent "TurnitinBot" bad_bot Order Allow,Deny Allow from all Deny from env=bad_bot
Meta robots tag
<meta name="robots" content="noindex, nofollow">
X-Robots-Tag header
X-Robots-Tag: noindex, nofollow

Is TurnitinBot safe to allow?

Yes, TurnitinBot is a **safe and legitimate** crawler. It is operated by Turnitin, which publicly documents its crawler at an official URL and follows the Robots Exclusion Protocol (RFC 9309). The user-agent string TurnitinBot is verifiable via reverse-DNS lookup on the crawling IP addresses. You can safely allow it unless you have a specific reason to block (e.g., AI training opt-out or SEO tool visibility).
Verify by reverse-DNS lookup: legitimate TurnitinBot requests resolve to turnitin's domain.

What does TurnitinBot do?

Understanding TurnitinBot's purpose helps you decide whether to allow or block it.

Frequently Asked Questions

What is the official user-agent string for TurnitinBot?
The official user-agent string for TurnitinBot is: TurnitinBot. This is the exact string you must use in robots.txt, Nginx, Apache, or Cloudflare firewall rules to target this bot. User-agent matching in robots.txt is case-insensitive, but the string must be spelled correctly. You can verify that a request genuinely comes from TurnitinBot by performing a reverse-DNS lookup on the source IP — legitimate bots resolve back to their operator's domain.
Is TurnitinBot safe?
Yes, TurnitinBot is a **safe and legitimate** crawler. It is operated by Turnitin, which publicly documents its crawler at an official URL and follows the Robots Exclusion Protocol (RFC 9309). The user-agent string TurnitinBot is verifiable via reverse-DNS lookup on the crawling IP addresses. You can safely allow it unless you have a specific reason to block (e.g., AI training opt-out or SEO tool visibility).
Will blocking TurnitinBot hurt my SEO?
❓ **Impact Unknown** — The SEO consequences of blocking TurnitinBot are not fully documented. Before blocking, check your analytics to confirm whether this bot generates referral traffic, review your server logs for crawl frequency, and test in a staging environment if possible.
How do I block TurnitinBot in robots.txt?
Add the following lines to your /robots.txt file: 
User-agent: TurnitinBot
Disallow: /
This instructs TurnitinBot not to crawl any path on your site. The Disallow: / directive covers the entire domain including subfolders. To only block specific sections, replace / with the path (e.g., Disallow: /blog/). Note: robots.txt is publicly readable — any bot or human can inspect it at yourdomain.com/robots.txt.
Does TurnitinBot respect robots.txt?
Yes — TurnitinBot is a well-behaved bot operated by Turnitin. It fetches and parses /robots.txt before crawling any page, following RFC 9309.
How do I verify if TurnitinBot is crawling my site?
Search your web server access logs for the string TurnitinBot (case-insensitive grep: grep -i "TurnitinBot" /var/log/nginx/access.log). You can also check Google Search Console → Coverage → Crawl Stats for Googlebot variants. For TurnitinBot specifically, filter by user-agent in your log analysis tool (GoAccess, AWStats, etc.).
What is the crawl frequency of TurnitinBot?
TurnitinBot crawls at a moderate rate. If you notice excessive traffic in your logs, you can add a Crawl-delay directive: 
User-agent: TurnitinBot
Crawl-delay: 10
(10 second delay between requests).
Can I block TurnitinBot from specific pages only?
Yes. Instead of a global Disallow: / you can restrict TurnitinBot to specific paths: 
User-agent: TurnitinBot
Disallow: /private/
Disallow: /staging/
Allow: /
This allows TurnitinBot everywhere except the listed paths. Path matching in robots.txt uses prefix matching — Disallow: /private/ blocks /private/page.html but NOT /public/private/.
Is TurnitinBot causing high server load?
If TurnitinBot is generating excessive requests, you can: 1. Add Crawl-delay: 30 below the User-agent directive in robots.txt. 2. Rate-limit the user-agent via Nginx's limit_req_zone or Apache's mod_ratelimit. 3. Block it outright at Cloudflare WAF with rule: http.user_agent contains "TurnitinBot". 4. Use fail2ban to auto-block IPs exceeding request thresholds.

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