Shift left
Moving accessibility work earlier in a project, into design and development, instead of fixing it after launch.
Shift left is a phrase borrowed from software testing. Picture a project timeline running left to right, from idea to design to build to launch. Shifting accessibility left means doing it near the start, where a label is a few words and a color choice is free, instead of at the end, where every fix touches a live product with customers on it.
In practice it means designers check contrast and focus states in their mockups, developers run automated tests on every change, product managers write accessibility into acceptance criteria, and an evaluation happens before launch rather than after a complaint. It is how teams keep accessibility cheap, and the reason to start before the next feature rather than after it.
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