I presented ImageResolver.js during the last ParisJS meetup. ImageResolver.js is a small javascript library that tries to extract a relevant image from any URL. The lib runs in the browser and has to two design goals:

  • be extensible, by using plugins to support more websites;
  • save resources, by limiting the number of HTTP requests needed for image resolution. Some plugins make zero HTTP requests and guess the image URL right away.

ImageResolver.js currently supports 9gag, Imgur (widely used on Reddit), flickr (requires an API key) and Instagram. For regular webpages, it will try OpenGraph meta tags (popularized by Facebook) then fallback to HTML parsing.

Here are the slides of my presentation (in french):

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