🤖 Overview

Cazoodle is a web crawler operated by Cazoodle Inc., a company based in San Diego, California, that powers vertical search engines such as ApartmentCowboy.com and JobCowboy.com. Its core mission is to aggregate publicly available listings from real estate and employment websites to populate these specialised search indexes, enabling users to compare rental prices, apartment features, and job openings in a single interface. The bot was first reported around 2002 and has since undergone several revisions to improve crawl efficiency.

🌐 Technical Behavior

The crawler, identified by the User-Agent CazoodleBot/1.0, uses standard HTTP/1.1 with support for gzip compression and HTTP GET requests. It typically issues between 2 and 5 requests per second but can accelerate during deep dives into listing databases. It respects the robots.txt Crawl-Delay directive if explicitly set, though some administrators report it occasionally ignores delays below one second. Its IP ranges are not publicly documented, but traffic originates from a block of IPv4 addresses registered to Cazoodle Inc., often routed through Amazon Web Services or dedicated colocation facilities. The bot caches responses using If-Modified-Since headers to minimise redundant downloads and does not execute JavaScript, relying entirely on raw HTML parsing.

📋 robots.txt Compliance

According to the official documentation available at cazoodle.com/crawler, the bot fully honours Disallow directives and supports the Crawl-Delay directive. However, some site owners have observed that it does not interpret noindex meta tags without a corresponding robots.txt rule, meaning it may still index pages that are not explicitly blocked in the robots file. The company provides a feedback mechanism at the same URL for custom crawl requests.

🔍 Detection Indicators

The primary User-Agent string is "CazoodleBot/1.0 (compatible; CazoodleBot; +http://www.cazoodle.com/crawler)". A secondary variation "Mozilla/5.0 (compatible; CazoodleBot)" has been observed in older logs. Behavioural fingerprints include a high frequency of requests to listing-detail URLs with sequential IDs and a distinct absence of image or CSS requests. The HTTP header From: [email protected] is always present, providing a contact address for site owners.

📊 Data Usage

All collected data is used exclusively to feed Cazoodle’s vertical search platforms – primarily ApartmentCowboy.com and JobCowboy.com – for indexing rental properties, job openings, and occasionally classifieds. The information is not sold to third parties nor used for AI or machine learning training; it remains inside Cazoodle’s search ecosystem to surface aggregated listings for end users.

⚙️ Rate Limiting Policy

CazoodleBot is rate-limited because its deep crawls can consume significant server resources without driving direct user engagement or revenue for the hosting site. A threshold-based blocking policy (e.g., limiting requests to 10 per minute per IP) is recommended to protect site performance while still allowing the bot to index content for its legitimate search services.

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