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Update 2020-09-24

This is now live network-wide.

We’re extremely concerned about perf here at SO (both on the client and on the server), so we needed to ensure that this major change on our hottest page on the site didn’t negatively impact our users. There was some prior investigation into highlight.js's perf back in 2016, but I figured we should give it another shot.

We’re extremely concerned about performance here at SO (both on the client and on the server), so we needed to ensure that this major change on our hottest page on the site didn’t negatively impact our users. There was some prior investigation into highlight.js's performance back in 2016, but I figured we should give it another shot.