Safe Data Scrapers

JenkersBot

Operated by Jenkers

Quick Facts

User-Agent:
JenkersBot
Category:
Data Scrapers
Operator:
Jenkers
Safety:
Safe
Blocking Impact:
Low - No SEO ranking impact
SEO Impact Score:
2/10

What is JenkersBot?

JenkersBot is the web crawler for Jenkers, a job search engine that indexes employment opportunities.

JenkersBot is the web crawler for Jenkers, a job search engine that indexes employment opportunities. JenkersBot is a data aggregation crawler. Unlike search bots or AI crawlers, its purpose is typically to collect content for private datasets, price monitoring, or research. Blocking JenkersBot via robots.txt or at the server level has NO negative SEO impact. If you see excessive crawl volume from this bot in your logs, a hard block is recommended.

What happens if you block JenkersBot?

✅ **Minimal Impact** - Blocking JenkersBot has no meaningful effect on your search engine rankings or organic traffic.
Generally safe to allow; provides legitimate crawling value.

How to block JenkersBot with robots.txt

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

Block completely (robots.txt)
User-agent: JenkersBot Disallow: /
Allow all (robots.txt)
User-agent: JenkersBot Allow: /
Block private only (robots.txt)
User-agent: JenkersBot Disallow: /private/ Disallow: /api/ Disallow: /admin/ Allow: /
Nginx server block
# Nginx: Hard-block JenkersBot if ($http_user_agent ~* "JenkersBot") { return 403 "Bot blocked"; }
Apache .htaccess
# Apache: Hard-block JenkersBot SetEnvIfNoCase User-Agent "JenkersBot" 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 JenkersBot safe to allow?

Yes, JenkersBot is a **safe and legitimate** crawler. It is operated by Jenkers, which publicly documents its crawler at an official URL and follows the Robots Exclusion Protocol (RFC 9309). The user-agent string JenkersBot 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 JenkersBot requests resolve to jenkers's domain.

What does JenkersBot do?

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

  • Extracts content, prices, or data from websites
  • May be used for competitive intelligence
  • Often operates without explicit permission
  • Can increase server load and bandwidth usage
  • May violate terms of service or copyright

Frequently Asked Questions

What is the official user-agent string for JenkersBot?
The official user-agent string for JenkersBot is: JenkersBot. 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 JenkersBot by performing a reverse-DNS lookup on the source IP - legitimate bots resolve back to their operator's domain.
Is JenkersBot safe?
Yes, JenkersBot is a **safe and legitimate** crawler. It is operated by Jenkers, which publicly documents its crawler at an official URL and follows the Robots Exclusion Protocol (RFC 9309). The user-agent string JenkersBot 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 JenkersBot hurt my SEO?
✅ **Minimal Impact** - Blocking JenkersBot has no meaningful effect on your search engine rankings or organic traffic.
How do I block JenkersBot in robots.txt?
Add the following lines to your /robots.txt file: 
User-agent: JenkersBot
Disallow: /
This instructs JenkersBot 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 JenkersBot respect robots.txt?
Yes - JenkersBot is a well-behaved bot operated by Jenkers. It fetches and parses /robots.txt before crawling any page, following RFC 9309.
How do I verify if JenkersBot is crawling my site?
Search your web server access logs for the string JenkersBot (case-insensitive grep: grep -i "JenkersBot" /var/log/nginx/access.log). You can also check Google Search Console → Coverage → Crawl Stats for Googlebot variants. For JenkersBot specifically, filter by user-agent in your log analysis tool (GoAccess, AWStats, etc.).
What is the crawl frequency of JenkersBot?
JenkersBot crawls at a moderate rate. If you notice excessive traffic in your logs, you can add a Crawl-delay directive: 
User-agent: JenkersBot
Crawl-delay: 10
(10 second delay between requests).
Can I block JenkersBot from specific pages only?
Yes. Instead of a global Disallow: / you can restrict JenkersBot to specific paths: 
User-agent: JenkersBot
Disallow: /private/
Disallow: /staging/
Allow: /
This allows JenkersBot everywhere except the listed paths. Path matching in robots.txt uses prefix matching - Disallow: /private/ blocks /private/page.html but NOT /public/private/.
Is JenkersBot causing high server load?
If JenkersBot 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 "JenkersBot". 4. Use fail2ban to auto-block IPs exceeding request thresholds.

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