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web.dev{"@context":"schema.org","@type":"Article","headline":""}{"@context":"httpschema.org/","@type":"Organization","name":"web.dev","logo":"/devrel-devsite/prod/v5ab6fd0ad9c02b131b4d387b5751ac2cc6dd65b5e931f0805efa1009c/web/imes/touchicon-180.png","url":"web.dev/"}{"@context":"httpschema.org","@type":"WebSite","name":"web.dev","url":"web.dev/","potentialAction":{"@type":"SearchAction","target":"web.dev/s/results?q={search_term_string}","query-input":"requiredname=search_term_string"}}ResourcesWebPlatformDiveintothewebplatform,atyourpace.HTMLCSSJaScriptUserexperienceLearnhowtobuildbetteruserexperiences.PerformanceAccessibilityIdentityLearnGetuptospeedonwebdevelopment.LearnHTMLLearnCSSLearnJaScriptLearnPerformanceLearnAccessibilityMorecoursesAdditionalresourcesExplorecontentcollections,patterns,andmore.AIandthewebExplorePeSpeedInsightsPatternsPodcasts&showsDeveloperNewsletterAboutweb.devBaselineBlogCaseStudies/EnglishDeutschEspañol–AméricaLatinaFrançaisIndonesiaItalianoPolskiPortuguês–BrasilTiếngViệtTürkçeРусскийעבריתالعربيّةفارسیहिंदीবাংলাภาษาไทย中文–简体中文–繁體語한국어SigninGuidancetobuildmodernwebexperiencesthatworkonanybrowser.ResourcesMoreBaselineBlogCaseStudiesWebPlatformHTMLCSSJaScriptUserexperiencePerformanceAccessibilityIdentityLearnLearnHTMLLearnCSSLearnJaScriptLearnPerformanceLearnAccessibilityMorecoursesAdditionalresourcesAIandthewebExplorePeSpeedInsightsPatternsPodcasts&showsDeveloperNewsletterAboutweb.dev/*Stylesinlinedfrom/explore/patch.css*/[theme=web-theme].devsite-landing-row-3-up.wd-explore-3up.devsite-landing-row-item{text-align:left;}[theme=web-theme].wd-explore-3up.devsite-landing-row-item-list-item-descriptionh4{padding:0;}.wd-explore-3up.devsite-landing-row-item-list-item-descriptiona:hover{text-decoration:underline;}[theme=web-theme].devsite-landing-row-3-up.devsite-landing-row-item.wd-3col-icons-list{text-align:left;}[theme=web-theme].wd-explore-2up.devsite-landing-row-item-list-item-descriptiona:hover{text-decoration:underline;}[theme=web-theme].wd-explore-2up.devsite-landing-row-item-list-item-descriptionh4{padding:0;}[theme=web-theme].devsite-landing-row-item-buttons.left{justify-self:flex-start;}[theme=web-theme].devsite-landing-row-3-up.devsite-landing-row-cardsimg{max-height:200px;object-fit:cover;}web.devStayorganizedwithcollectionsSeandcategorizecontentbasedonyourpreferences.Buildingabetterweb,togetherWewanttohelpyoubuildbeautiful,accessible,fast,andsecurewebsitesthatworkcross-browser,andforallofyourusers.Thissiteisourhomeforcontenttohelpyouonthatjourney,writtenbymembersoftheChrometeam,andexternalexpertswhospecializeinwebdevelopmenttopicssuchasaccessibility,performance,design,andmore.BaselineWebPlatformBaselinebringsclaritytoinformationaboutbrowsersupportforwebplatformfeatures,providingclearinformationaboutwhichwebplatformfeaturesarereadytouseinyourprojectstoday.Whenreadinganarticlehereonweb.dev,ifthefeaturesusedareallpartofBaseline,youcantrustthelevelofbrowsercompatibility.LearnmoreAIandthewebDiscoverresourcescreatedtohelpyouunderstandandbuildperformant,web-firstexperienceswithAI.LearnmoreOptimizeINPInteractiontoNextPaint(INP)isnowaCoreWebVitalmetrics.Startmeasuringandoptimizingyoursite'sINP.LearnmorePayments&IdentityReaduponthelatestfeaturesandbestpracticeswhenitcomestoidentityandpaymentprocessing.LearnmoreExplorethewebplatformThewebplatformisaconstantlyevolvingecosystemofbrowserfeaturesandAPIsthatdeveloperscanusetomakewebsitesthatareeasyanddelightfultouse.Thesepesarepathwaysforyoutodiveintoeachpartofthewebplatformonweb.dev—atyourpace:imeHTMLHTMListhedocumentlayeroftheweb,providingstructureandsemanticsforpes.LearnmorewebCSSCSSisthepresentationlayeroftheweb,andallowsyoutoyourwebpeslookjustlikeyouwantthemto.LearnmoretimerJaScriptJaScriptprovidesrichinteractivitytowebpes,allowingdeveloperstobuildrichlyinteractivewebsitesthathelpuserstoperformtasksandaccomplishgoals.LearnmoreLearnthewebplatformNewtothewebplatform?We'vegotyoucovered!DiveintoeachpartofthewebplatformwiththesecoursescuratedspecificallyforbeginnerstoHTML,CSS,andJaScript.CourseLearnHTMLAsolidoverviewofHTMLfordevelopers,fromnovicetoexpertlevelHTML.StartcourseCourseLearnCSSAguidetoCSSwithmodulescoveringeverythingfromaccessibilitytoz-index.StartcourseCourseLearnJaScriptAnin-depthcourseonthebasicsofJaScript.StartcourseKeepuponwebdevelopmentnewsOurblogcontainsthelatestnewsinwebdevelopment,includingnewwebplatformfeatures,updatestoBaseline,AI,CoreWebVitals,andmore.Keepupwiththelatestblogreadingourblog.ReadtheblogCSSandUIdesignLearnthelatesttipsandtechniquestouseinyourwork,rightnow.ExploreCSSAdaptingtypographytouserpreferenceusingCSSAdaptafonttoyourusers'preferences,sothey'remaximallycomfortablereadingyourcontent.NewCSScolorspacesandfunctionsinallmajorenginesAllmajorenginesnowsupportthenewCSScolorspacesandfunctions.Findouthowtheycanbringvibrancytoyourdesigns.Whataresourcemaps?Improvewebdebuggingexperiencewithsourcemaps.CSSsubgridSubgridisnowinteroperableacrossallthreemajorengines.Findouthowtouseit.CoreWebVitalsBuildfasterwebsitesand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