Search Results for "web crawler"

...After turning off the cross-domain switch, you can use various cross-domain functions (support cross-domain). Headless mode, which greatly saves resources and is suitable for crawlers (headless mode, be suitable for Web Crawler).

crawler4j is an open source web crawler for Java which provides a simple interface for crawling the Web. Using it, you can setup a multi-threaded web crawler in few minutes. You need to create a crawler class that extends WebCrawler. This class decides which URLs should be crawled and handles the downloaded page. shouldVisit function decides whether the given URL should be crawled or not.

pyspider is a powerful Spider(Web Crawler) system in Python. Components are connected by message queue. Every component, including message queue, is running in their own process/thread, and replaceable. That means, when process is slow, you can have many instances of processor and make full use of multiple CPUs, or deploy to multiple machines. This architecture makes pyspider really fast. benchmarking.

Methanol is a scriptable multi-purpose web crawling system with an extensible configuration system and speed-optimized architectural design. Methabot is the web crawler of Methanol.

The Java Sitemap Parser can parse a website's Sitemap (http://www.sitemaps.org/). This is useful for web crawlers that want to discover URLs from a website that is using the Sitemap Protocol. This project has been incorporated into crawler-commons (https://github.com/crawler-commons/crawler-commons) and is no longer being maintained.