puppeteer/assets/js/98adaecf.8a039728.js

"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[54871],{3905:(e,t,r)=>{r.d(t,{Zo:()=>u,kt:()=>f});var n=r(67294);function a(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function i(e,t){var r=Object.keys(e);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(e);t&&(n=n.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),r.push.apply(r,n)}return r}function p(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{};t%2?i(Object(r),!0).forEach((function(t){a(e,t,r[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(r)):i(Object(r)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(r,t))}))}return e}function o(e,t){if(null==e)return{};var r,n,a=function(e,t){if(null==e)return{};var r,n,a={},i=Object.keys(e);for(n=0;n<i.length;n++)r=i[n],t.indexOf(r)>=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var i=Object.getOwnPropertySymbols(e);for(n=0;n<i.length;n++)r=i[n],t.indexOf(r)>=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}var l=n.createContext({}),m=function(e){var t=n.useContext(l),r=t;return e&&(r="function"==typeof e?e(t):p(p({},t),e)),r},u=function(e){var t=m(e.components);return n.createElement(l.Provider,{value:t},e.children)},s={inlineCode:"code",wrapper:function(e){var t=e.children;return n.createElement(n.Fragment,{},t)}},c=n.forwardRef((function(e,t){var r=e.components,a=e.mdxType,i=e.originalType,l=e.parentName,u=o(e,["components","mdxType","originalType","parentName"]),c=m(r),f=a,k=c["".concat(l,".").concat(f)]||c[f]||s[f]||i;return r?n.createElement(k,p(p({ref:t},u),{},{components:r})):n.createElement(k,p({ref:t},u))}));function f(e,t){var r=arguments,a=t&&t.mdxType;if("string"==typeof e||a){var i=r.length,p=new Array(i);p[0]=c;var o={};for(var l in t)hasOwnProperty.call(t,l)&&(o[l]=t[l]);o.originalType=e,o.mdxType="string"==typeof e?e:a,p[1]=o;for(var m=2;m<i;m++)p[m]=r[m];return n.createElement.apply(null,p)}return n.createElement.apply(null,r)}c.displayName="MDXCreateElement"},4244:(e,t,r)=>{r.r(t),r.d(t,{assets:()=>m,contentTitle:()=>o,default:()=>c,frontMatter:()=>p,metadata:()=>l,toc:()=>u});r(67294);var n=r(3905);function a(){return a=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e},a.apply(this,arguments)}function i(e,t){if(null==e)return{};var r,n,a=function(e,t){if(null==e)return{};var r,n,a={},i=Object.keys(e);for(n=0;n<i.length;n++)r=i[n],t.indexOf(r)>=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var i=Object.getOwnPropertySymbols(e);for(n=0;n<i.length;n++)r=i[n],t.indexOf(r)>=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}const p={sidebar_label:"Page.metrics"},o="Page.metrics() method",l={unversionedId:"api/puppeteer.page.metrics",id:"api/puppeteer.page.metrics",title:"Page.metrics() method",description:"Signature:",source:"@site/../docs/api/puppeteer.page.metrics.md",sourceDirName:"api",slug:"/api/puppeteer.page.metrics",permalink:"/next/api/puppeteer.page.metrics",draft:!1,tags:[],version:"current",frontMatter:{sidebar_label:"Page.metrics"},sidebar:"sidebar",previous:{title:"Page.mainFrame",permalink:"/next/api/puppeteer.page.mainframe"},next:{title:"Page.mouse",permalink:"/next/api/puppeteer.page.mouse"}},m={},u=[{value:"Remarks",id:"remarks",level:2}],s={toc:u};function c(e){var{components:t}=e,r=i(e,["components"]);return(0,n.kt)("wrapper",a({},s,r,{components:t,mdxType:"MDXLayout"}),(0,n.kt)("h1",a({},{id:"pagemetrics-method"}),"Page.metrics() method"),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Signature:")),(0,n.kt)("pre",null,(0,n.kt)("code",a({parentName:"pre"},{className:"language-typescript"}),"class Page {\n  metrics(): Promise<Metrics>;\n}\n")),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Returns:")),(0,n.kt)("p",null,"Promise","<",(0,n.kt)("a",a({parentName:"p"},{href:"/next/api/puppeteer.metrics"}),"Metrics"),">"),(0,n.kt)("p",null,"Object containing metrics as key/value pairs."),(0,n.kt)("ul",null,(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"Timestamp")," : The timestamp when the metrics sample was taken.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"Documents")," : Number of documents in the page.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"Frames")," : Number of frames in the page.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"JSEventListeners")," : Number of events in the page.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"Nodes")," : Number of DOM nodes in the page.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"LayoutCount")," : Total number of full or partial page layout.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"RecalcStyleCount")," : Total number of page style recalculations.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"LayoutDuration")," : Combined durations of all page layouts.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"RecalcStyleDuration")," : Combined duration of all page style recalculations.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"ScriptDuration")," : Combined duration of JavaScript execution.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"TaskDuration")," : Combined duration of all tasks performed by the browser.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"JSHeapUsedSize")," : Used JavaScript heap size.")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"JSHeapTotalSize")," : Total JavaScript heap size."))),(0,n.kt)("h2",a({},{id:"remarks"}),"Remarks"),(0,n.kt)("p",null,"All timestamps are in monotonic time: monotonically increasing time in seconds since an arbitrary point in the past."))}c.isMDXComponent=!0}}]);