Michael Lopp Interviews Marco Arment

Marco Arment, on Instapaper’s bookmarklet:

The way it does this is ridiculous: instead of calling a simple GET request to save the page, since an entire page’s contents would quickly overrun any URL-length limits in the stack, it injects a FORM with a POST action and populates a hidden value with the page contents.

But form-data requests from browsers aren’t Gzip-compressed, so the resulting data is huge and needs to be sent over people’s (often slow, often mobile) upstream connections. So I found an open-source DEFLATE implementation in Javascript — really — and the bookmarklet compresses the page data right there in the browser before sending it.

Tuesday, 25 January 2011

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