Playing with the Speculation Rules API in the Console Less than 1 minuteJavaScriptGoogleGoogle ChromeArticle(s)blogfrontendmasters.comjsjavascriptgooglegooglechromegoogle-chromeconsole
See the accessibility tree About 2 minBrowserGoogleGoogle ChromeFirefoxArticle(s)blogdevtoolstips.orgjsdebuggooglegooglechromegoogle-chromefirefox
Inspect the user-agent DOM About 2 minHTMLBrowserGoogleGoogle ChromeFirefoxSafariArticle(s)blogdevtoolstips.orgjsdebugtipshtmlwebcomponentsgooglegooglechromegoogle-chromefirefoxsafari
List all event listeners on the entire page About 2 minJavaScriptBrwoserGoogleGoogle ChromeSafariArticle(s)blogdevtoolstips.orgjsdebugtipsconsolegooglegooglechromegoogle-chromesafari
Force execution, skipping breakpoints, when paused About 2 minBrowserGoogleGoogle ChromeFirefoxArticle(s)blogdevtoolstips.orgjsdebugtipsgooglegooglechromegoogle-chromefirefox
See the viewport size About 3 minBrowserGoogleGoogle ChromeFirefoxSafariArticle(s)blogdevtoolstips.orgjsdebugtestingcsstipsgooglegooglechromegoogle-chromefirefoxsafari
Convert images to data-urls Less than 1 minuteHTMLBrowserGoogleGoogle ChromeFirefoxArticle(s)blogdevtoolstips.orghtmlgooglegooglechromegoogle-chromefirefox
Highlight all elements on the page that match a given CSS selector About 2 minCSSBrowserGoogleGoogle ChromeFirefoxSafariArticle(s)blogdevtoolstips.orgcsshighlightergooglegooglechromegoogle-chromefirefoxsafari
Check if a website uses third-party cookies Less than 1 minuteNetworkBrowserGoogleGoogle ChromeFirefoxSafariArticle(s)blogdevtoolstips.orgconsolegooglegooglechromegoogle-chromefirefoxsafari
Create your own DevTools theme Less than 1 minuteBrowserGoogleGoogle ChromeArticle(s)blogdevtoolstips.orggooglegooglechromegoogle-chromeconsole