image proxy

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An image proxy is a service that fetches and re-serves images from a new URL, used by IndieWeb sites to provide better performance, fidelity, and/or reliability of images embedded in posts.

Why

Image proxies can help website performance, customize images for their page context, and improve image viewing reliability with the following techniques:

• resizing, reformatting, cropping, filtering or otherwise modifying images before serving inside a page
• avoiding mixed content warnings when serving images from other sites
• caching content that may disappear in the future

IndieWeb Examples

•  Barry Frost has implemented camo on his website to proxy external images to https
• Will Norris wrote and runs a go image proxy, primarily for dynamic resizing.
• Kyle Mahan's Red Wind has an in-built imageproxy that proxies and resizes images. Requests include a signature to prevent external use.
• Marty McGuire uses willnorris' imageproxy for media on his personal notes site, Cloudinary for media and as a thumbnail cache for author images on his personal site.
• Ryan Barrett uses cloudimage.io on facebook-atom and instagram-atom.

Open Source

• Go: https://willnorris.com/go/imageproxy
• Python: https://github.com/agschwender/pilbox

Archived:

• Node.js: https://github.com/atmos/camo

See Also

• video proxy
• Brainstorming: strip EXIF (in particular lat long) for privacy reasons
• example use for webmention avatars Back to the Facepile, Featherweight Edition