응답은 JSON 객체입니다. 자세한 내용은 응답을 참고하세요.
응답 객체의 각 속성에 대한 정보
{
"captchaResult": "CAPTCHA_NOT_NEEDED",
"kind": "pagespeedonline#result",
"id": "https://developers.google.com/",
"loadingExperience": {
"id": "https://developers.google.com/",
"metrics": {
"FIRST_CONTENTFUL_PAINT_MS": {
"percentile": 3482,
"distributions": [
{
"min": 0,
"max": 1000,
"proportion": 0.37151728768042963
},
{
"min": 1000,
"max": 2500,
"proportion": 0.4244153519077991
},
{
"min": 2500,
"proportion": 0.2040673604117713
}
],
"category": "SLOW"
},
"FIRST_INPUT_DELAY_MS": {
"percentile": 36,
"distributions": [
{
"min": 0,
"max": 50,
"proportion": 0.960628961482204
},
{
"min": 50,
"max": 250,
"proportion": 0.02888834714773281
},
{
"min": 250,
"proportion": 0.010482691370063388
}
],
"category": "FAST"
}
},
"overall_category": "SLOW",
"initial_url": "https://developers.google.com/"
},
"originLoadingExperience": {
"id": "https://developers.google.com",
"metrics": {
"FIRST_CONTENTFUL_PAINT_MS": {
"percentile": 2761,
"distributions": [
{
"min": 0,
"max": 1000,
"proportion": 0.4236433226493666
},
{
"min": 1000,
"max": 2500,
"proportion": 0.45045120795679117
},
{
"min": 2500,
"proportion": 0.1259054693938423
}
],
"category": "SLOW"
},
"FIRST_INPUT_DELAY_MS": {
"percentile": 45,
"distributions": [
{
"min": 0,
"max": 50,
"proportion": 0.9537371485251699
},
{
"min": 50,
"max": 250,
"proportion": 0.03044972719889055
},
{
"min": 250,
"proportion": 0.01581312427593959
}
],
"category": "FAST"
}
},
"overall_category": "SLOW",
"initial_url": "https://developers.google.com/"
},
"lighthouseResult": {
"requestedUrl": "https://developers.google.com/",
"finalUrl": "https://developers.google.com/",
"lighthouseVersion": "3.2.0",
"userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/72.0.3584.0 Safari/537.36",
"fetchTime": "2018-11-01T03:03:58.394Z",
"environment": {
"networkUserAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3559.0 Safari/537.36",
"hostUserAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/72.0.3584.0 Safari/537.36",
"benchmarkIndex": 590.0
},
"runWarnings": [],
"configSettings": {
"emulatedFormFactor": "desktop",
"locale": "en-US",
"onlyCategories": [
"performance"
]
},
"audits": {
"estimated-input-latency": {
"id": "estimated-input-latency",
"title": "Estimated Input Latency",
"description": "The score above is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/estimated-input-latency).",
"score": 1.0,
"scoreDisplayMode": "numeric",
"displayValue": "30 ms"
},
"uses-rel-preconnect": {
"id": "uses-rel-preconnect",
"title": "Preconnect to required origins",
"description": "Consider adding preconnect or dns-prefetch resource hints to establish early connections to important third-party origins. [Learn more](https://developers.google.com/web/fundamentals/performance/resource-prioritization#preconnect).",
"score": 1.0,
"scoreDisplayMode": "numeric",
"details": {
"headings": [],
"type": "opportunity",
"items": [],
"overallSavingsMs": 0.0
}
},
...
},
"categories": {
"performance": {
"id": "performance",
"title": "Performance",
"score": 0.96,
"auditRefs": [
{
"id": "first-contentful-paint",
"weight": 3.0,
"group": "metrics"
},
{
"id": "first-meaningful-paint",
"weight": 1.0,
"group": "metrics"
},
...
]
}
},
"categoryGroups": {
"a11y-element-names": {
"title": "Elements Have Discernible Names",
"description": "These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader."
},
"a11y-language": {
"title": "Page Specifies Valid Language",
"description": "These are opportunities to improve the interpretation of your content by users in different locales."
},
...
},
"i18n": {
"rendererFormattedStrings": {
"varianceDisclaimer": "Values are estimated and may vary.",
"opportunityResourceColumnLabel": "Opportunity",
"opportunitySavingsColumnLabel": "Estimated Savings",
"errorMissingAuditInfo": "Report error: no audit information",
"errorLabel": "Error!",
"warningHeader": "Warnings: ",
"auditGroupExpandTooltip": "Show audits",
"passedAuditsGroupTitle": "Passed audits",
"notApplicableAuditsGroupTitle": "Not applicable",
"manualAuditsGroupTitle": "Additional items to manually check",
"toplevelWarningsMessage": "There were issues affecting this run of Lighthouse:",
"scorescaleLabel": "Score scale:",
"crcLongestDurationLabel": "Maximum critical path latency:",
"crcInitialNavigation": "Initial Navigation",
"lsPerformanceCategoryDescription": "[Lighthouse](https://developers.google.com/web/tools/lighthouse/) analysis of the current page on an emulated mobile network. Values are estimated and may vary.",
"labDataTitle": "Lab Data"
}
}
},
"analysisUTCTimestamp": "2018-11-01T03:03:58.394Z"
}
자바스크립트
자바스크립트에서 PageSpeed Insights API를 사용해 보려면 다음 단계를 따르세요.
아래 코드를 복사합니다. 이 코드는 PageSpeed Insights API를 사용하여
https://developers.google.com를 호출하여 결과를 표시합니다.
<script>
function run() {
const url = setUpQuery();
fetch(url)
.then(response => response.json())
.then(json => {
// See https://developers.google.com/speed/docs/insights/v5/reference/pagespeedapi/runpagespeed#response
// to learn more about each of the properties in the response object.
showInitialContent(json.id);
const cruxMetrics = {
"First Contentful Paint": json.loadingExperience.metrics.FIRST_CONTENTFUL_PAINT_MS.category,
"First Input Delay": json.loadingExperience.metrics.FIRST_INPUT_DELAY_MS.category
};
showCruxContent(cruxMetrics);
const lighthouse = json.lighthouseResult;
const lighthouseMetrics = {
'First Contentful Paint': lighthouse.audits['first-contentful-paint'].displayValue,
'Speed Index': lighthouse.audits['speed-index'].displayValue,
'Time To Interactive': lighthouse.audits['interactive'].displayValue,
'First Meaningful Paint': lighthouse.audits['first-meaningful-paint'].displayValue,
'First CPU Idle': lighthouse.audits['first-cpu-idle'].displayValue,
'Estimated Input Latency': lighthouse.audits['estimated-input-latency'].displayValue
};
showLighthouseContent(lighthouseMetrics);
});
}
function setUpQuery() {
const api = 'https://www.googleapis.com/pagespeedonline/v5/runPagespeed';
const parameters = {
url: encodeURIComponent('https://developers.google.com')
};
let query = `${api}?`;
for (key in parameters) {
query += `${key}=${parameters[key]}`;
}
return query;
}
function showInitialContent(id) {
document.body.innerHTML = '';
const title = document.createElement('h1');
title.textContent = 'PageSpeed Insights API Demo';
document.body.appendChild(title);
const page = document.createElement('p');
page.textContent = `Page tested: ${id}`;
document.body.appendChild(page);
}
function showCruxContent(cruxMetrics) {
const cruxHeader = document.createElement('h2');
cruxHeader.textContent = "Chrome User Experience Report Results";
document.body.appendChild(cruxHeader);
for (key in cruxMetrics) {
const p = document.createElement('p');
p.textContent = `${key}: ${cruxMetrics[key]}`;
document.body.appendChild(p);
}
}
function showLighthouseContent(lighthouseMetrics) {
const lighthouseHeader = document.createElement('h2');
lighthouseHeader.textContent = "Lighthouse Results";
document.body.appendChild(lighthouseHeader);
for (key in lighthouseMetrics) {
const p = document.createElement('p');
p.textContent = `${key}: ${lighthouseMetrics[key]}`;
document.body.appendChild(p);
}
}
run();
</script>
코드를 HTML 파일에 붙여넣습니다.
브라우저에서 HTML 파일을 엽니다. 성공적으로 완료되면 페이지가 다음과 같이 표시됩니다.
그림 1.
<ph type="x-smartling-placeholder"></ph>
<ph type="x-smartling-placeholder"></ph>
그림 1. JavaScript 데모
를 통해 개인정보처리방침을 정의할 수 있습니다.
를 통해 개인정보처리방침을 정의할 수 있습니다.
<ph type="x-smartling-placeholder"></ph>
<ph type="x-smartling-placeholder">
<ph type="x-smartling-placeholder">를 통해 개인정보처리방침을 정의할 수 있습니다.
를 통해 개인정보처리방침을 정의할 수 있습니다.
<ph type="x-smartling-placeholder"></ph>
<ph type="x-smartling-placeholder">
<ph type="x-smartling-placeholder">