The Twitter Engineering Blog

Information from Twitter's engineering team about our technology, tools and events.

Results from Engineering for: November 2011

SpiderDuck: Twitter's Real-time URL Fetcher

Tweets often contain URLs or links to a variety of content on the web, including images, videos, news articles and blog posts. SpiderDuck is a service at Twitter that fetches all URLs shared in Tweets in real-time, parses the downloaded content to extract metadata of interest and makes that metadata available for other Twitter services to consume within seconds.

Several teams at Twitter need to access the linked content, typically in real-time, to improve Twitter products. For example:

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