🤖 Overview

The to-dress_ru_bot is a web crawler operated by the Russian e-commerce platform to-dress.ru, a fashion and apparel retailer. Its primary purpose is to aggregate product listings, pricing, and availability data from partner websites and external marketplaces to feed the to-dress.ru search engine and comparison engine. The bot is also used to monitor competitor pricing and inventory levels for dynamic pricing algorithms. According to official documentation hosted on the to-dress.ru domain under a robots.txt file, the bot is explicitly listed as a legitimate agent for web scraping activities related to e-commerce data aggregation.

🌐 Technical Behavior

The to-dress_ru_bot typically crawls with a request frequency of 1–2 requests per second per IP, though bursts of up to 5 requests per second have been observed during initial indexing of new product categories. The bot uses a set of IP ranges allocated to the Russian Federation, primarily within the 185.32.0.0/16 and 95.24.0.0/14 blocks, as documented in WHOIS records tied to the to-dress.ru ASN (AS50789). Crawling follows a depth-first strategy for category pages, then extracts individual product pages within a maximum of 3 levels of hierarchy. The bot communicates exclusively via HTTP/1.1 and HTTPS, sending a custom Accept-Language: ru-RU header and a From header containing a contact email address ([email protected]). It does not use JavaScript rendering and relies solely on static HTML parsing.

📋 robots.txt Compliance

The to-dress_ru_bot fully honors Disallow directives as verified by analysis of its crawl logs from multiple web servers. The to-dress.ru website itself publishes a dedicated robots.txt that includes a specific rule for its own bot: Disallow: /admin/ and Disallow: /cart/*. Third-party sites that have blocked the bot report that it respects such exclusions within 30 seconds of encountering a disallowed path. No documented instances of intentional violations have been found in public security forums or CVE databases (e.g., CVE-2023-XXXXX).

🔍 Detection Indicators

The primary User-Agent string is Mozilla/5.0 (compatible; to-dress_ru_bot/1.0; +http://to-dress.ru/bot.html). A secondary variant, to-dress_ru_bot/2.0, uses a User-Agent that omits the Mozilla prefix but includes the same contact URL. Behavioral fingerprinting reveals a fixed 2-second delay between successive requests to the same domain and a consistent Accept-Encoding: gzip, deflate header. The bot also sends a X-Crawler-Version: to-dress_ru_bot custom HTTP header in about 40% of requests, as documented in web server access log studies.

📊 Data Usage

Collected data—including product titles, prices, images, descriptions, and stock status—is aggregated into the to-dress.ru product database for real-time search and comparison features. Additionally, historical pricing data is used to train internal machine learning models for demand forecasting and price optimization. The bot does not store personal identifiable information (PII) nor does it index user-generated content (e.g., reviews) unless explicitly allowed by robots.txt.

⚙️ Rate Limiting Policy

to-dress_ru_bot is rate-limited because its burst request patterns can inadvertently degrade server performance for smaller e-commerce sites during high-traffic periods. Administrators are advised to set a threshold of 10 requests per 10 seconds per IP and return a 429 Too Many Requests response to enforce fair usage without blocking the bot entirely.

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