Speculation rulesSpeculation rules are hints to the browser to proactively download pages in the background so they appear instantly when the user navigates to them.limitedhttps://html.spec.whatwg.org/multipage/speculative-loading.html#speculation-ruleshttps://wicg.github.io/nav-speculation/prerendering.htmlhttps://developer.mozilla.org/docs/Web/API/Document/prerenderingapi.Document.prerenderingapi.Document.prerenderingchange_eventapi.PerformanceNavigationTiming.activationStartapi.Request.destination.speculationruleshtml.elements.script.type.speculationruleshtml.elements.script.type.speculationrules.eagernesshtml.elements.script.type.speculationrules.expects_no_vary_searchhtml.elements.script.type.speculationrules.prefetchhtml.elements.script.type.speculationrules.prerenderhtml.elements.script.type.speculationrules.referrer_policyhtml.elements.script.type.speculationrules.relative_tohtml.elements.script.type.speculationrules.requireshtml.elements.script.type.speculationrules.requires.anonymous-client-ip-when-cross-originhtml.elements.script.type.speculationrules.source_optionalhtml.elements.script.type.speculationrules.taghtml.elements.script.type.speculationrules.target_hinthtml.elements.script.type.speculationrules.urlshtml.elements.script.type.speculationrules.wherehttp.headers.Content-Security-Policy.script-src.inline-speculation-ruleshttp.headers.Sec-Purpose.speculationruleshttp.headers.Sec-Speculation-Tagshttp.headers.Speculation-Ruleshttp.headers.Supports-Loading-Modehttp.headers.Supports-Loading-Mode.credentialed-prerenderhttp.headers.Supports-Loading-Mode.fenced-framehttps://nowyoucanuse.com/features--speculation-rules.html