Other Agents Directory & Bot Database
Browse 6 active Other Agents in our database. Get detailed profiles, copy robots.txt rules, and check if your URL is allowed or blocked by them.
Currently viewing 6 of 6 crawlers and bots
Select a safety category to see specific descriptions and recommendations for each safety badge.
The bot user-agent for Turnitin's plagiarism detection service.
A lightweight crawler often used for checking link validity or small-scale scraping.
The crawler for the Internet Archive (Wayback Machine). It preserves the history of the web.
The original user-agent for the Internet Archive's crawler (Alexa Internet).
Specific variation of the Internet Archive crawler.
Version 1.0 of the Peer39 crawler.
Currently viewing 6 of 6 crawlers and bots
Select a safety category to see specific descriptions and recommendations for each safety badge.
Check URL for Other Agents crawlers
Verify if Other Agents crawlers and bots are allowed or disallowed on a specific URL.
⚠️ Caution: Advanced Configuration
Modifying your robots.txt file effectively controls who can
access your website. Incorrect rules can accidentally de-index
your entire site from Search Engines like Google. This tool
generates valid syntax rules based on your selection. It does
not analyze your specific website needs.
We strongly suggest testing any changes in Google Search Console or with CrawlerCheck before deploying to production.
How to Block or Allow Other Agents?
Generate your robots.txt snippet by selecting one of the options below to Disallow or Allow rules for 6 Other Agents.
Updated DISALLOW rules for 6 Other Agents bots currently in the CrawlerCheck Directory.
Review the below snippet. We recommend blocking bots marked as 'Unsafe' and carefully evaluating the bots marked as 'Caution'.
This is a live generated robots.txt snippet based on the filter options currently active. Go back to the start of the page to select different options.
User-agent: turnitinbot Disallow: / User-agent: viennatinybot Disallow: / User-agent: archive-org-bot Disallow: / User-agent: ia-archiver Disallow: / User-agent: ia-archiver-web-archive-org Disallow: / User-agent: peer39-crawler-1-0 Disallow: /
Steps:
- Copy the snippet and update your live website's robots.txt file to block the identified bots.
- Go back to the URL Checker and enter URL to check for the updated statuses.
If changes are not successfull:
- Your robots.txt was not updated correctly, or not updated yet. Wait a couple of minutes.
- Manually verify your robots.txt live link and confirm that the changes are visible.
- Go back to URL Checker and verify your URL again for the updated statuses.
Resource & Impact Analysis
Managing bot traffic is about more than just security. It's about optimizing your infrastructure and protecting your digital assets. Unchecked crawler activity can have significant downstream effects on your website's performance and business metrics.
📉 Server Load & Bandwidth
Every request from a bot consumes CPU cycles, RAM, and bandwidth. Aggressive scrapers can simulate a DDoS attack, slowing down your site for real human users and increasing your hosting costs, especially on metered cloud platforms.
💰 Crawl Budget Waste
Search engines like Google assign a "Crawl Budget" to your site. A limit on how many pages they will crawl in a given timeframe. If low-value bots clog your server queues, Googlebot may reduce its crawl rate, delaying the indexing of your new content.
🤖 AI & Data Privacy
Modern AI bots (like GPTBot and CCBot) scrape your content to train Large Language Models. While not malicious, they use your intellectual property without providing traffic back. Blocking them allows you to opt-out of having your data used for AI training.
🕵️ Competitive Intelligence
Many "SEO Tools" and commercial scrapers are used by competitors to monitor your pricing, copy your content strategy, or analyze your site structure. Restricting these bots protects your business intelligence.
Understanding Web Crawlers & Bots
Web crawlers (also known as spiders or bots) are automated software programs that browse the internet. CrawlerCheck classifies them into distinct categories to help you decide which ones to allow and which to block.
Search Engines Bots
Bots like Googlebot and Bingbot are essential for your website's visibility. They index your content so it appears in search results. Blocking these will remove your site from search engines.
AI Data Scrapers
Bots like GPTBot (OpenAI), ClaudeBot (Anthropic) and PerplexityBot (PerplexityAI) crawl the web to collect data for training Large Language Models (LLMs). Blocking them prevents your content from being used to train AI, but does not affect your search rankings.
SEO Tools & Scrapers
Marketing tools like Ahrefs and Semrush scan your site to analyze backlinks and SEO health. While useful for SEO audits, aggressive scrapers can consume server bandwidth and impact performance.
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