🤖 Overview

UrlControl is a legitimate web crawler operated by the company UrlControl (urlcontrol.com), which provides website monitoring, SEO auditing, and backlink analysis services. The bot systematically browses websites to collect page metadata, link structures, content changes, and HTTP response data for use in the company's client-facing dashboards and reports. It was first documented in the early 2010s and has since been updated to support modern web standards including HTTPS and IPv6.

🌐 Technical Behavior

The UrlControl crawler operates with a configurable crawl rate, defaulting to one request every few seconds to avoid overwhelming servers. It issues standard HTTP GET requests over both IPv4 and IPv6 and fully supports HTTPS. The bot identifies itself in the User-Agent header and may include a Contact-email header set to [email protected]. Crawl patterns include periodic revisits to detect changes, and it respects the robots.txt Crawl-Delay directive if set. According to official documentation, the bot's IP addresses are static and can be verified by reverse DNS pointing to *.urlcontrol.com; ranges are published at urlcontrol.com/bot-ips. The bot does not execute JavaScript or use headless browsers; it parses HTML, extracts links, and honors noindex meta tags. User-Agent strings include "UrlControl Bot" and "UrlControl/1.0".

📋 robots.txt Compliance

The UrlControl bot fully respects the Robots Exclusion Protocol. Official documentation confirms it obeys both Disallow and Crawl-Delay directives; if a website sets a longer crawl delay, the bot pauses accordingly. There are no known instances of this bot ignoring robots.txt rules. Site owners can target the bot in their robots.txt using the User-Agent token "UrlControl Bot" to apply specific rules.

🔍 Detection Indicators

The primary User-Agent strings are "UrlControl Bot" and "UrlControl/1.0". Additional fingerprints include the Contact-email header ([email protected]) and a consistent request pattern lacking typical browser attributes such as Accept-Language or Referer. The bot's static IP addresses can be validated via reverse DNS lookups to the domain *.urlcontrol.com. Site administrators can distinguish it from malicious crawlers by its clear identification and lack of aggressive concurrent connections. The official IP list is available at urlcontrol.com/bot-ips.

📊 Data Usage

Collected data is used exclusively for website monitoring, SEO analysis, and backlink tracking services provided to paying clients of UrlControl. The company aggregates page titles, meta descriptions, outgoing links, response status codes, and page load times. This information helps users identify broken links, track keyword rankings, and monitor competitor changes. The data is not used for AI training, nor sold to third parties; it remains within the UrlControl platform for analytical purposes only.

⚙️ Rate Limiting Policy

While UrlControl is a legitimate bot, it is rate-limited because its crawl speed can be aggressive if allowed unrestricted access, potentially consuming server resources. A threshold-based block (e.g., after 100 requests per minute or a defined Crawl-Delay) is recommended to prevent performance degradation while still permitting the bot's essential monitoring functions. Site owners can also manage its impact by setting a Crawl-Delay directive in robots.txt.

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the bots listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.