Chrome releases Modern Web Guidance 1.0 and publishes an evaluation
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The Chrome team has released Modern Web Guidance 1.0, a set of skills that embeds Web platform expertise, best practices, and browser compatibility data into coding agents. The team's published evaluation says that coding agents without the skills passed only about 50% of the checks on average, while those using them passed about 90%. Installation is done by running npx modern-web-guidance@latest install, or by searching for the plugin in the agent's plugin marketplace. The above pass rates are the Chrome team's statement of the results of its evaluation suite.
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Google released Modern Web Guidance 1.0, a set of skills that embeds web platform expertise, best practices and browser compatibility data into coding agents. Its evaluation suite found unguided coding agents pass only about 50% of checks on average, versus about 90% with Modern Web Guidance installed. The post lists ten areas where models frequently err, including focus and inert management, reduced-motion support, form validation and autofill, swipe gestures, dialogs and popovers, dark mode, main-thread responsiveness, layout shift, DOM XSS defenses, and passkey sign-in.
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