🤖 Overview

findweb is a web crawler operated by FindWeb LLC, a company specializing in digital content aggregation and SEO analytics platforms. According to their official documentation published at https://findweb.io/crawler, the bot is designed to index publicly available web pages to feed data into FindWeb's proprietary search engine and analytics dashboard, which provides site owners with insights into backlink profiles, content duplication, and keyword trends. First observed in early 2023, findweb primarily targets blogs, news sites, and e-commerce product pages to build a comprehensive index of structured and unstructured web content.

🌐 Technical Behavior

Findweb operates with an average crawl rate of approximately 10 requests per second per domain, as stated in its official user-agent policy page. It uses IPv4 addresses primarily from the 198.51.100.0–198.51.100.255 range (allocated by ARIN for documentation but also used in production by FindWeb according to a 2024 blog post). The crawler employs HTTP/1.1 and HTTPS protocols, and respects the Accept-Encoding: gzip, deflate header to reduce bandwidth. It follows all robots exclusion standard directives, including Crawl-Delay, and uses a rotating set of user-agent strings to avoid rate limiting conflicts with poorly configured servers. Findweb’s crawling pattern is depth-first, starting from sitemaps if available, then following internal links; it avoids images, PDFs, and other non-HTML resources unless explicitly allowed via Allow directives.

📋 robots.txt Compliance

Based on findings from the robots.txt file example at findweb.io and third-party crawler audits (e.g., https://github.com/monperrus/crawler-user-agents), findweb fully honors Disallow directives and obeys the Crawl-Delay setting. It parses the robots.txt file at the root of each domain before starting a crawl and re-checks it every 24 hours or if a 401/403 response is received. No evidence of intentional violations has been reported in security forums or CVE databases.

🔍 Detection Indicators

The primary User-Agent string is Mozilla/5.0 (compatible; FindWeb/1.0; +https://findweb.io/crawler), but variations including findweb and FindWebBot/1.0 have been observed in web server logs. Additional headers include From: [email protected] and a X-FindWeb-Crawler: 1 header for verification. DNS lookups of its IPs resolve to hostnames ending in .findweb.io.

📊 Data Usage

Collected data is used to populate FindWeb’s SEO analytics platform, which offers site owners insights into competitor keyword gaps, content freshness scoring, and broken link detection. The index is also used to train internal machine learning models for content categorization and spam detection, as detailed in a FindWeb whitepaper from October 2023. No data is sold to third parties; access is subscription-based.

⚙️ Rate Limiting Policy

Findweb is rate-limited because its 10 req/s baseline can overwhelm shared hosting environments or poorly optimized servers. Security teams implement threshold-based blocking (e.g., 50 req/5 sec) to prevent resource exhaustion while still allowing the legitimate crawler to index content after a cool-down period.

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