Prevent Info leaks and enable powerful features: COOP and COEP
Why the open web links it
Explains COOP and COEP, security policies that prevent info leaks and enable modern web features.
Linked by 4 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including google.cn, chrome.com, suzukikenichi.com, arsoporte.com.