🤖 Overview

Backlink-Ceck is a web crawler operated by BacklinkCeck (often styled as Backlink-Ceck), a service that specializes in backlink analysis and SEO monitoring. The bot is designed to systematically visit websites to verify the presence, status, and anchor text of external links, feeding data into the BacklinkCeck platform for link auditing and competitor research. According to the service's official documentation (backlinkceck.com/about), the crawler helps webmasters identify broken backlinks, detect link changes, and maintain link profiles.

🌐 Technical Behavior

The Backlink-Ceck crawler follows a polite crawling pattern with a default request interval of 10–30 seconds between pages to avoid overwhelming servers. It uses HTTP/1.1 and HTTPS, sending requests with the User-Agent string Mozilla/5.0 (compatible; Backlink-Ceck/1.0; +https://backlinkceck.com/bot). IP ranges are documented as belonging to BacklinkCeck's own cloud infrastructure, primarily in the 185.215.0.0/16 block (source: official IP list at backlinkceck.com/ips.txt). The bot performs HEAD requests before GET to check link availability, and it may follow redirects up to 5 hops. It respects Cache-Control headers and does not download large media files.

📋 robots.txt Compliance

Backlink-Ceck fully supports robots.txt directives, as confirmed in its terms of service (backlinkceck.com/robots). It will honor Disallow paths and Crawl-Delay instructions. The bot also respects the X-Robots-Tag HTTP header for per‑page control. BacklinkCeck advises webmasters to block the bot if they wish to exclude certain directories, and provides a dedicated feedback form to handle accidental violations.

🔍 Detection Indicators

Primary identification is via the User-Agent string: Backlink-Ceck/1.0. A secondary fingerprint is the From header (e.g., [email protected]) and a consistent Accept: text/html,application/xhtml+xml header. Behavioral indicators include HEAD requests preceding GET, a low request rate, and a distinct reverse DNS pattern (*.crawl.backlinkceck.com). The bot does not use JavaScript rendering.

📊 Data Usage

Collected link data is used exclusively for backlink monitoring: detecting link rot, tracking anchor text changes, and listing inbound links from a given webpage. The aggregated results are presented in the BacklinkCeck dashboard as a link audit report. No content is stored for AI training; only URL metadata (status code, redirect chain, anchor text) is retained.

⚙️ Rate Limiting Policy

While Backlink-Ceck is well‑behaved, it is rate‑limited because aggressive recurring scans of high‑authority sites can generate significant server load. Security teams implement threshold‑based blocking (e.g., >20 requests per minute) to protect backend resources, with a policy that treats any automated crawler exceeding polite limits as a temporary abuser.

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