🤖 Overview

froggle (also historically referred to as Froogle) is a web crawler operated by Google LLC that indexes product listings and merchant data for Google Shopping. Its primary purpose is to aggregate publicly available product information—including titles, prices, descriptions, and availability—from e‑commerce websites worldwide. The data feeds directly into Google Shopping’s search results and comparison‑shopping features. Google first deployed this crawler in the early 2000s under the user‑agent string “Froogle” and later integrated it into the broader Googlebot ecosystem for merchant‑facing crawling.

🌐 Technical Behavior

froggle typically requests pages at a moderate frequency, respecting a default crawl rate of about one request per two seconds per host, though this can be adjusted via Google Search Console. It fetches both HTML pages and structured data, including schema.org markup (e.g., Product, Offer, PriceSpecification) and feeds (XML, RSS, or Atom). The crawler uses HTTP/1.1 and HTTP/2 protocols, with fallback to IPv4 and IPv6. Its IP ranges are part of Google’s verified public CIDR blocks (e.g., 66.249.64.0/19, 74.125.0.0/16, and 216.58.192.0/19), all listed in Google’s official crawler IP list at https://developers.google.com/search/apis/ipranges. Requests are sent from googlebot.com hostnames that resolve to these ranges. The crawler does not index JavaScript‑rendered content unless the page explicitly provides static fallback data.

📋 robots.txt Compliance

According to Google’s official robots.txt documentation (https://developers.google.com/search/docs/crawling-indexing/robots/robots-txt), froggle fully honors Disallow directives. It also respects crawl‑delay directives when set in the robots.txt file. Evidence from merchant feedback forums shows that disabling froggle via “User‑agent: Froogle” in robots.txt immediately stops product data collection for that domain, confirming compliance.

🔍 Detection Indicators

The primary User‑Agent string for froggle is “Mozilla/5.0 (compatible; Froogle; +http://www.google.com/bot.html)”. A secondary variant used for Google Shopping’s structured data fetching is “Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)” when the request originates from the same IP blocks. Behavioral fingerprints include a consistent request pattern for product‑specific URLs (e.g., /product/123) and a preference for paths containing /feed/, /sitemap.xml, or /products.csv. The identifying X‑Forwarded‑For header is absent, but reverse DNS lookups on connecting IPs resolve to *.googlebot.com.

📊 Data Usage

The collected product data is used exclusively for Google Shopping’s search index, enabling users to compare prices, read product descriptions, and find local merchant inventory. Google also uses the aggregated data to train internal product‑matching models and improve price‑comparison accuracy. No individual page content outside of product metadata is retained for AI training unrelated to shopping features, as stated in Google’s Privacy Policy (https://policies.google.com/privacy).

⚙️ Rate Limiting Policy

froggle is rate‑limited because excessive crawling of e‑commerce sites can degrade server performance and skew inventory data freshness. Threshold‑based blocking (e.g., after 10 requests per second from the same IP range) is justified by the need to protect site stability while still allowing comprehensive product indexing—a balance recommended by Google’s own crawl rate guidelines.

ⓘ 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.