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Home / News & insights / The library

CNAME support for GitHub Pages

Please read GitHub Help – Setting up a custom domain with Pages for the most up-to-date information on setting up a CNAME on your account.

PJ Hyett·@pjhyett

January 21, 2009 | Updated January 4, 2019

Please read GitHub Help – Setting up a custom domain with Pages for the most up-to-date information on setting up a CNAME on your account.

Written by

PJ Hyett

@pjhyett

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GitHub availability report: February 2026

In February, we experienced six incidents that resulted in degraded performance across GitHub services.

Jakub Oleksy

Illustration of a chemistry lab setup with interconnected glassware and tubing. Beakers, flasks, test tubes, and a large central reaction vessel contain glowing green and blue liquids. A pressure gauge, condenser coil, funnels, and heating plates appear along a blue tiled lab wall, with fluids flowing through tubes between the containers.

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Addressing GitHub’s recent availability issues

GitHub recently experienced several availability incidents. We understand the impact these outages have on our customers and are sharing details on the stabilization work we’re prioritizing right now.

Vlad Fedorov

Company news

GitHub availability report: January 2026

In January, we experienced two incidents that resulted in degraded performance across GitHub services.

Jakub Oleksy

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