Verify CCBot IP Address

Verify if an IP address truly belongs to CommonCrawl, using official verification methods. Enter both IP address and User-Agent from your logs for the most accurate bot verification.

CCBot is the web crawler operated by Common Crawl, a nonprofit organization that builds and publishes large-scale public web datasets. It crawls publicly accessible webpages to collect HTML content, metadata, and link structures for inclusion in open research archives. These datasets are widely used by academic institutions, AI researchers, and commercial organizations for machine learning and web analysis. Crawl activity is broad and systematic, reflecting its goal of building comprehensive snapshots of the public web for open data initiatives. RobotSense.io verifies CCBot using CommonCrawl's official validation methods, ensuring only genuine CCBot traffic is identified.

This bot officially honors Crawl-Delay rule.

User Agent Examples

CCBot/2.0 (https://commoncrawl.org/faq/)
Example user agent strings for CCBot

Robots.txt Configuration for CCBot

Robots.txt User-Agent:CCBot

Use this identifier in your robots.txt User-agent directive to target CCBot.

Recommended Configuration

Our recommended robots.txt configuration for CCBot:

User-agent: CCBot
Allow: /

Completely Block CCBot

Prevent this bot from crawling your entire site:

User-agent: CCBot
Disallow: /

Completely Allow CCBot

Allow this bot to crawl your entire site:

User-agent: CCBot
Allow: /

Block Specific Paths

Block this bot from specific directories or pages:

User-agent: CCBot
Disallow: /private/
Disallow: /admin/
Disallow: /api/

Allow Only Specific Paths

Block everything but allow specific directories:

User-agent: CCBot
Disallow: /
Allow: /public/
Allow: /blog/

Set Crawl Delay

Limit how frequently CCBot can request pages (in seconds):

User-agent: CCBot
Allow: /
Crawl-delay: 10

Note: This bot officially honors the Crawl-delay directive.

Frequently Asked Questions

What is CCBot, and why is it visiting my website?
CCBot is the web crawler operated by Common Crawl, a nonprofit that builds large-scale public datasets of the web. It visits websites to collect HTML content, metadata, and link structures for research and machine learning use. Crawling is typically broad and systematic, targeting publicly accessible pages rather than specific sites. For most public websites, this traffic is expected and part of general bot activity on the internet. Visits from CCBot are non-harmful.
Is CCBot a legitimate bot, or is it commonly spoofed?
CCBot is a legitimate crawler officially operated by Common Crawl. However, like many well-known bots, its user-agent string can be spoofed by malicious actors attempting to bypass filtering or disguise scraping activity. This is why relying solely on the User-Agent in website logs is not sufficient for verification. Proper validation methods should always be used to confirm authenticity. You can use Common Crawl's recommended methods mentioned below to verify a legitimate visit, or use RobotSense.io API to easily verify CCBot visits.
How can I verify that a request is really coming from CCBot?
You can use Common Crawl's recommended official methods to verify CCBot visits, these include: - IP range checks - Reverse DNS Do not use User-Agent based detection as that can be easily spoofed. Alternatively, you can use RobotSense.io API to easily verify CCBot and other bots.
Should I allow or block CCBot on my website?
Allowing CCBot is generally optional and depends on your priorities. It does not directly impact search engine rankings but contributes to open web datasets used in research and AI development. You may consider allowing it if: - You support open data initiatives or research use of web content - Your server can handle moderate crawl traffic If you are suddenly seeing too many visits, you can consider adding a small crawl-delay in your robots.txt before completely disallowing. Blocking may be appropriate if: - You want to restrict data reuse or scraping - Your infrastructure is resource-constrained - You serve sensitive, proprietary, or internal content
How can I control or block CCBot using robots.txt or other methods?
You can add a rule in your robots.txt, as given above to control (crawl-delay) or disallow CCBot. CCBot honors robots.txt directives. Also, you can use further controls in your WAF, or in RobotSense enforcement settings to manage the bot behavior.
How often does CCBot crawl websites, and can it impact server performance?
CCBot performs periodic large-scale crawls rather than continuous real-time indexing. Crawl frequency depends on dataset collection cycles and may vary across sites. Impact considerations: - Bandwidth usage: moderate during active crawl windows - Request rates: can spike temporarily during dataset collection - Dynamic pages: may increase backend load if not cached For most sites, the impact is manageable, but high-traffic or resource-limited servers may notice short-term load increases. Some administrators choose to rate-limit or restrict it.
What happens if I block CCBot? SEO, visibility, and feature impact explained.
Blocking CCBot does not affect your rankings in major search engines like Google or Bing. However, it does limit how your content appears in open datasets. Potential effects include: - Your site will not be included in Common Crawl datasets - Reduced presence in third-party SEO tools or research platforms that rely on Common Crawl In short, blocking CCBot has no direct impact on search engine SEO performance.
Does CCBot collect, scrape, or use my content for training or reuse?
Yes, CCBot collects publicly accessible web content as part of its crawling process. This includes HTML pages, metadata, and link structures, which are stored in open datasets. Usage typically includes: - Web indexing for research datasets - SEO and link analysis tools - Machine learning and AI training datasets Content is generally stored as snapshots of web pages rather than selective snippets, and these datasets are made publicly available for download and analysis.