🤖 Overview

Pixfinder is a visual search engine and image crawler operated by Pixfinder Technology Inc., first publicly documented in 2017, designed to index publicly available images across the web to power reverse image search and visual similarity matching services. According to the official Pixfinder documentation at pixfinder.com, the crawler collects image metadata and visual fingerprints to enable users to find identical or visually similar photos, serving commercial and research use cases in e-commerce, digital forensics, and content management.

🌐 Technical Behavior

The Pixfinder Bot performs HTTP GET requests with a configurable crawl interval, defaulting to one request per two seconds per domain as stated in the bot’s official user-agent documentation. It crawls only image file types: JPEG, PNG, GIF, WebP, BMP, and SVG, ignoring non-image resources. The bot uses a fixed User-Agent string and does not spoof other browsers. Its IP range is dynamically assigned from 104.198.0.0/16 and 35.224.0.0/12, associated with Google Cloud Platform compute instances, according to WHOIS data and Pixfinder’s support page. The crawler follows standard HTTP redirections (3xx) and evaluates robots.txt and index.html entries.

📋 robots.txt Compliance

Pixfinder explicitly states compliance with the Robots Exclusion Standard, and its user-agent respects both Disallow and Crawl-Delay directives, as verified through independent testing by webmasters (e.g., logs from site owners show the bot halts when Disallow: / is present). The official description at pixfinder.com/bot declares that it uses the same logic as popular search bots for parsing robots.txt.

🔍 Detection Indicators

The sole official User-Agent string is Mozilla/5.0 (compatible; Pixfinder/1.0; +http://pixfinder.com/bot). Additional fingerprints include the X-Robots-Tag header checking and a consistent request pattern with a low variance in inter-request timing (typically 2.0–2.5 seconds). No custom HTTP headers are added except Accept: image/*.

📊 Data Usage

Collected images and their visual features (e.g., color histograms, edge maps, SIFT descriptors) are stored in Pixfinder’s proprietary vector database to enable reverse image search and visual recommendation engines. The data is not used for AI model training or language model training, as clarified in the Pixfinder privacy policy at pixfinder.com/privacy — usage is limited to visual search indexing.

⚙️ Rate Limiting Policy

Rate limiting Pixfinder is recommended because its aggressive path enumeration can generate high volumes of requests if many images are present on a site, potentially degrading server performance; threshold-based blocking (e.g., limit of 50 requests per second) ensures the bot does not overwhelm vulnerable sites while permitting legitimate indexing.

ⓘ 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.