Google slings websites into Chrome's solitary confinement on Android to thwart Spectre-style data snooping

Ignore the overhead, enjoy Site Isolation - a defense against side-channel attacks

Last year, Google deployed Site Isolation in desktop versions of its Chrome browser as a defense against CPU side-channel attacks like Spectre. The technique renders websites in separate processes to prevent one from interfering with or snooping on another, augmenting browser sandboxing defenses."