",
"nodeLabel": " Website Policies\n \n Contact Us\n \nVulnerability Disclosure Program\nOSTI.GOV on …"
},
"score": 0.02762
}
]
},
"guidanceLevel": 2
},
"long-tasks": {
"id": "long-tasks",
"title": "Avoid long main-thread tasks",
"description": "Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay. [Learn how to avoid long main-thread tasks](https://web.dev/articles/optimize-long-tasks)",
"score": 1,
"scoreDisplayMode": "informative",
"displayValue": "4 long tasks found",
"metricSavings": {
"TBT": 500
},
"details": {
"type": "table",
"headings": [
{
"key": "url",
"valueType": "url",
"label": "URL"
},
{
"key": "startTime",
"valueType": "ms",
"granularity": 1,
"label": "Start Time"
},
{
"key": "duration",
"valueType": "ms",
"granularity": 1,
"label": "Duration"
}
],
"items": [
{
"url": "https://www.googletagmanager.com/gtag/js?id=G-MP0JFZ283F",
"duration": 260,
"startTime": 5756.100999999999
},
{
"url": "https://www.googletagmanager.com/gtag/js?id=G-MP0JFZ283F",
"duration": 233,
"startTime": 6104.100999999999
},
{
"url": "https://www.googletagmanager.com/gtag/js?id=G-MP0JFZ283F",
"duration": 148,
"startTime": 5608.100999999999
},
{
"url": "https://www.googletagmanager.com/gtag/js?id=G-MP0JFZ283F",
"duration": 88,
"startTime": 6016.100999999999
}
],
"sortedBy": [
"duration"
],
"skipSumming": [
"startTime"
],
"debugData": {
"type": "debugdata",
"urls": [
"https://www.googletagmanager.com/gtag/js?id=G-MP0JFZ283F"
],
"tasks": [
{
"urlIndex": 0,
"startTime": 5756.1,
"duration": 260,
"other": 260,
"scriptEvaluation": 0
},
{
"urlIndex": 0,
"startTime": 6104.1,
"duration": 233,
"other": 233,
"scriptEvaluation": 0
},
{
"urlIndex": 0,
"startTime": 5608.1,
"duration": 148,
"other": 148,
"scriptEvaluation": 0
},
{
"urlIndex": 0,
"startTime": 6016.1,
"duration": 88,
"other": 88,
"scriptEvaluation": 0
}
]
}
},
"guidanceLevel": 1
},
"non-composited-animations": {
"id": "non-composited-animations",
"title": "Avoid non-composited animations",
"description": "Animations which are not composited can be janky and increase CLS. [Learn how to avoid non-composited animations](https://developer.chrome.com/docs/lighthouse/performance/non-composited-animations/)",
"score": null,
"scoreDisplayMode": "notApplicable",
"metricSavings": {
"CLS": 0
},
"details": {
"type": "table",
"headings": [
{
"key": "node",
"valueType": "node",
"subItemsHeading": {
"key": "failureReason",
"valueType": "text"
},
"label": "Element"
}
],
"items": []
},
"guidanceLevel": 2
},
"unsized-images": {
"id": "unsized-images",
"title": "Image elements do not have explicit `width` and `height`",
"description": "Set an explicit width and height on image elements to reduce layout shifts and improve CLS. [Learn how to set image dimensions](https://web.dev/articles/optimize-cls#images_without_dimensions)",
"score": 0.5,
"scoreDisplayMode": "metricSavings",
"metricSavings": {
"CLS": 0
},
"details": {
"type": "table",
"headings": [
{
"key": "node",
"valueType": "node",
"label": ""
},
{
"key": "url",
"valueType": "url",
"label": "URL"
}
],
"items": [
{
"url": "https://www.osti.gov/assets/content/images/DOE-SC-OSTI-RGB-Logo.docx_:user:_rId14_:msword:_media_image6.svg",
"node": {
"type": "node",
"lhId": "1-103-IMG",
"path": "1,HTML,1,BODY,14,DIV,0,DIV,1,DIV,0,FOOTER,0,DIV,0,DIV,1,DIV,0,DIV,1,IMG",
"selector": "div.container > div.col > div.pure-menu > img",
"boundingRect": {
"top": 535,
"bottom": 622,
"left": 30,
"right": 382,
"width": 352,
"height": 87
},
"snippet": "
![\"Footer](\"/assets/content/images/DOE-SC-OSTI-RGB-Logo.docx_:user:_rId14_:msword:_med…\")
",
"nodeLabel": "Footer Logo"
}
}
]
},
"guidanceLevel": 4
},
"valid-source-maps": {
"id": "valid-source-maps",
"title": "Page has valid source maps",
"description": "Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. [Learn more about source maps](https://developer.chrome.com/docs/devtools/javascript/source-maps/).",
"score": 1,
"scoreDisplayMode": "binary",
"details": {
"type": "table",
"headings": [
{
"key": "scriptUrl",
"valueType": "url",
"subItemsHeading": {
"key": "error"
},
"label": "URL"
},
{
"key": "sourceMapUrl",
"valueType": "url",
"label": "Map URL"
}
],
"items": []
}
},
"csp-xss": {
"id": "csp-xss",
"title": "Ensure CSP is effective against XSS attacks",
"description": "A strong Content Security Policy (CSP) significantly reduces the risk of cross-site scripting (XSS) attacks. [Learn how to use a CSP to prevent XSS](https://developer.chrome.com/docs/lighthouse/best-practices/csp-xss/)",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "table",
"headings": [
{
"key": "description",
"valueType": "text",
"subItemsHeading": {
"key": "description"
},
"label": "Description"
},
{
"key": "directive",
"valueType": "code",
"subItemsHeading": {
"key": "directive"
},
"label": "Directive"
},
{
"key": "severity",
"valueType": "text",
"subItemsHeading": {
"key": "severity"
},
"label": "Severity"
}
],
"items": [
{
"severity": "High",
"description": "No CSP found in enforcement mode"
}
]
}
},
"has-hsts": {
"id": "has-hsts",
"title": "Use a strong HSTS policy",
"description": "Deployment of the HSTS header significantly reduces the risk of downgrading HTTP connections and eavesdropping attacks. A rollout in stages, starting with a low max-age is recommended. [Learn more about using a strong HSTS policy.](https://developer.chrome.com/docs/lighthouse/best-practices/has-hsts)",
"score": null,
"scoreDisplayMode": "notApplicable",
"details": {
"type": "table",
"headings": [
{
"key": "description",
"valueType": "text",
"subItemsHeading": {
"key": "description"
},
"label": "Description"
},
{
"key": "directive",
"valueType": "code",
"subItemsHeading": {
"key": "directive"
},
"label": "Directive"
},
{
"key": "severity",
"valueType": "text",
"subItemsHeading": {
"key": "severity"
},
"label": "Severity"
}
],
"items": []
}
},
"origin-isolation": {
"id": "origin-isolation",
"title": "Ensure proper origin isolation with COOP",
"description": "The Cross-Origin-Opener-Policy (COOP) can be used to isolate the top-level window from other documents such as pop-ups. [Learn more about deploying the COOP header.](https://web.dev/articles/why-coop-coep#coop)",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "table",
"headings": [
{
"key": "description",
"valueType": "text",
"subItemsHeading": {
"key": "description"
},
"label": "Description"
},
{
"key": "directive",
"valueType": "code",
"subItemsHeading": {
"key": "directive"
},
"label": "Directive"
},
{
"key": "severity",
"valueType": "text",
"subItemsHeading": {
"key": "severity"
},
"label": "Severity"
}
],
"items": [
{
"description": "No COOP header found",
"severity": "High"
}
]
}
},
"clickjacking-mitigation": {
"id": "clickjacking-mitigation",
"title": "Mitigate clickjacking with XFO or CSP",
"description": "The `X-Frame-Options` (XFO) header or the `frame-ancestors` directive in the `Content-Security-Policy` (CSP) header control where a page can be embedded. These can mitigate clickjacking attacks by blocking some or all sites from embedding the page. [Learn more about mitigating clickjacking](https://developer.chrome.com/docs/lighthouse/best-practices/clickjacking-mitigation).",
"score": null,
"scoreDisplayMode": "notApplicable",
"details": {
"type": "table",
"headings": [
{
"key": "description",
"valueType": "text",
"subItemsHeading": {
"key": "description"
},
"label": "Description"
},
{
"key": "severity",
"valueType": "text",
"subItemsHeading": {
"key": "severity"
},
"label": "Severity"
}
],
"items": []
}
},
"trusted-types-xss": {
"id": "trusted-types-xss",
"title": "Mitigate DOM-based XSS with Trusted Types",
"description": "The `require-trusted-types-for` directive in the `Content-Security-Policy` (CSP) header instructs user agents to control the data passed to DOM XSS sink functions. [Learn more about mitigating DOM-based XSS with Trusted Types](https://developer.chrome.com/docs/lighthouse/best-practices/trusted-types-xss).",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "table",
"headings": [
{
"key": "description",
"valueType": "text",
"subItemsHeading": {
"key": "description"
},
"label": "Description"
},
{
"key": "severity",
"valueType": "text",
"subItemsHeading": {
"key": "severity"
},
"label": "Severity"
}
],
"items": [
{
"severity": "High",
"description": "No `Content-Security-Policy` header with Trusted Types directive found"
}
]
}
},
"script-treemap-data": {
"id": "script-treemap-data",
"title": "Script Treemap Data",
"description": "Used for treemap app",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "treemap-data",
"nodes": [
{
"name": "https://www.osti.gov/",
"resourceBytes": 14001,
"encodedBytes": 2882,
"unusedBytes": 8399,
"children": [
{
"name": "(inline) if (document.co…",
"resourceBytes": 140,
"unusedBytes": 0
},
{
"name": "(inline) window.dataLaye…",
"resourceBytes": 166,
"unusedBytes": 0
},
{
"name": "(inline) if (document.co…",
"resourceBytes": 108,
"unusedBytes": 0
},
{
"name": "(inline) window.dataLaye…",
"resourceBytes": 143,
"unusedBytes": 0
},
{
"name": "(inline) var loadDeferre…",
"resourceBytes": 665,
"unusedBytes": 0
},
{
"name": "(inline) this.onload=nul…",
"resourceBytes": 38,
"unusedBytes": 0
},
{
"name": "(inline) this.onload=nul…",
"resourceBytes": 38,
"unusedBytes": 0
},
{
"name": "(inline) //>
![\"OSTI.GOV](\"/assets/content/images/OSTItitle_325-min.png\")
",
"nodeLabel": "OSTI.GOV Image"
},
"displayedSize": "325 x 125",
"actualSize": "325 x 125",
"actualPixels": 40625,
"expectedSize": "488 x 188",
"expectedPixels": 91744
}
]
}
},
"deprecations": {
"id": "deprecations",
"title": "Avoids deprecated APIs",
"description": "Deprecated APIs will eventually be removed from the browser. [Learn more about deprecated APIs](https://developer.chrome.com/docs/lighthouse/best-practices/deprecations/).",
"score": 1,
"scoreDisplayMode": "binary",
"details": {
"type": "table",
"headings": [
{
"key": "value",
"valueType": "text",
"label": "Deprecation / Warning"
},
{
"key": "source",
"valueType": "source-location",
"label": "Source"
}
],
"items": []
}
},
"third-party-cookies": {
"id": "third-party-cookies",
"title": "Avoids third-party cookies",
"description": "Third-party cookies may be blocked in some contexts. [Learn more about preparing for third-party cookie restrictions](https://privacysandbox.google.com/cookies/prepare/overview).",
"score": 1,
"scoreDisplayMode": "binary",
"details": {
"type": "table",
"headings": [
{
"key": "name",
"valueType": "text",
"label": "Name"
},
{
"key": "url",
"valueType": "url",
"label": "URL"
}
],
"items": []
}
},
"mainthread-work-breakdown": {
"id": "mainthread-work-breakdown",
"title": "Minimizes main-thread work",
"description": "Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. [Learn how to minimize main-thread work](https://developer.chrome.com/docs/lighthouse/performance/mainthread-work-breakdown/)",
"score": 1,
"scoreDisplayMode": "metricSavings",
"numericValue": 1541.6599999999999,
"numericUnit": "millisecond",
"displayValue": "1.5 s",
"metricSavings": {
"TBT": 500
},
"details": {
"type": "table",
"headings": [
{
"key": "groupLabel",
"valueType": "text",
"label": "Category"
},
{
"key": "duration",
"valueType": "ms",
"granularity": 1,
"label": "Time Spent"
}
],
"items": [
{
"group": "scriptEvaluation",
"groupLabel": "Script Evaluation",
"duration": 660.6759999999986
},
{
"group": "other",
"groupLabel": "Other",
"duration": 310.376000000001
},
{
"group": "scriptParseCompile",
"groupLabel": "Script Parsing & Compilation",
"duration": 247.93199999999996
},
{
"group": "styleLayout",
"groupLabel": "Style & Layout",
"duration": 188.71600000000007
},
{
"group": "parseHTML",
"groupLabel": "Parse HTML & CSS",
"duration": 97.89999999999996
},
{
"group": "paintCompositeRender",
"groupLabel": "Rendering",
"duration": 19.18
},
{
"group": "garbageCollection",
"groupLabel": "Garbage Collection",
"duration": 16.88
}
],
"sortedBy": [
"duration"
]
},
"guidanceLevel": 1
},
"bootup-time": {
"id": "bootup-time",
"title": "JavaScript execution time",
"description": "Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. [Learn how to reduce Javascript execution time](https://developer.chrome.com/docs/lighthouse/performance/bootup-time/).",
"score": 1,
"scoreDisplayMode": "metricSavings",
"numericValue": 885.4040000000018,
"numericUnit": "millisecond",
"displayValue": "0.9 s",
"metricSavings": {
"TBT": 500
},
"details": {
"type": "table",
"headings": [
{
"key": "url",
"valueType": "url",
"label": "URL"
},
{
"key": "total",
"granularity": 1,
"valueType": "ms",
"label": "Total CPU Time"
},
{
"key": "scripting",
"granularity": 1,
"valueType": "ms",
"label": "Script Evaluation"
},
{
"key": "scriptParseCompile",
"granularity": 1,
"valueType": "ms",
"label": "Script Parse"
}
],
"items": [
{
"url": "https://www.googletagmanager.com/gtag/js?id=G-MP0JFZ283F",
"total": 765.8360000000017,
"scripting": 506.40000000000174,
"scriptParseCompile": 220.748
},
{
"url": "https://www.osti.gov/",
"total": 359.5520000000001,
"scripting": 60.780000000000065,
"scriptParseCompile": 12.139999999999999
},
{
"url": "Unattributable",
"total": 252.04800000000063,
"scripting": 6.912000000000001,
"scriptParseCompile": 0
},
{
"url": "https://www.osti.gov/assets/content/js/jquery-3.5.1.min.js",
"total": 122.44800000000001,
"scripting": 67.54800000000002,
"scriptParseCompile": 10.876
}
],
"summary": {
"wastedMs": 885.4040000000018
},
"sortedBy": [
"total"
]
},
"guidanceLevel": 1
},
"diagnostics": {
"id": "diagnostics",
"title": "Diagnostics",
"description": "Collection of useful page vitals.",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "debugdata",
"items": [
{
"numRequests": 37,
"numScripts": 7,
"numStylesheets": 2,
"numFonts": 3,
"numTasks": 683,
"numTasksOver10ms": 9,
"numTasksOver25ms": 3,
"numTasksOver50ms": 2,
"numTasksOver100ms": 0,
"numTasksOver500ms": 0,
"rtt": 0.8600000000000003,
"throughput": 27613246.657860447,
"maxRtt": 24.857,
"maxServerLatency": 24.054999999999993,
"totalByteWeight": 686145,
"totalTaskTime": 385.41499999999843,
"mainDocumentTransferSize": 54845
}
]
}
},
"network-requests": {
"id": "network-requests",
"title": "Network Requests",
"description": "Lists the network requests that were made during page load.",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "table",
"headings": [
{
"key": "url",
"valueType": "url",
"label": "URL"
},
{
"key": "protocol",
"valueType": "text",
"label": "Protocol"
},
{
"key": "networkRequestTime",
"valueType": "ms",
"granularity": 1,
"label": "Network Request Time"
},
{
"key": "networkEndTime",
"valueType": "ms",
"granularity": 1,
"label": "Network End Time"
},
{
"key": "transferSize",
"valueType": "bytes",
"displayUnit": "kb",
"granularity": 1,
"label": "Transfer Size"
},
{
"key": "resourceSize",
"valueType": "bytes",
"displayUnit": "kb",
"granularity": 1,
"label": "Resource Size"
},
{
"key": "statusCode",
"valueType": "text",
"label": "Status Code"
},
{
"key": "mimeType",
"valueType": "text",
"label": "MIME Type"
},
{
"key": "resourceType",
"valueType": "text",
"label": "Resource Type"
}
],
"items": [
{
"url": "https://osti.gov/",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 0,
"networkRequestTime": 1.2559998035430908,
"networkEndTime": 107.56899976730347,
"finished": true,
"transferSize": 481,
"resourceSize": 0,
"statusCode": 301,
"mimeType": "text/html",
"priority": "VeryHigh",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 107.56899976730347,
"networkRequestTime": 108.10199999809265,
"networkEndTime": 252.25799989700317,
"finished": true,
"transferSize": 54845,
"resourceSize": 263664,
"statusCode": 200,
"mimeType": "text/html",
"resourceType": "Document",
"priority": "VeryHigh",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/login",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 238.99499988555908,
"networkRequestTime": 239.91299986839294,
"networkEndTime": 359.9209997653961,
"finished": true,
"transferSize": 6046,
"resourceSize": 20141,
"statusCode": 200,
"mimeType": "text/html",
"resourceType": "Other",
"priority": "High",
"isLinkPreload": true,
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/css/fontawesome.font_.css",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 239.40599989891052,
"networkRequestTime": 240.48300004005432,
"networkEndTime": 289.77100014686584,
"finished": true,
"transferSize": 414,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "text/css",
"priority": "VeryHigh",
"isLinkPreload": true,
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/css/roboto.font_.css",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 239.82699990272522,
"networkRequestTime": 240.8549997806549,
"networkEndTime": 321.49699997901917,
"finished": true,
"transferSize": 409,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "text/css",
"priority": "VeryHigh",
"isLinkPreload": true,
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.googletagmanager.com/gtag/js?id=G-MP0JFZ283F",
"sessionTargetType": "page",
"protocol": "h2",
"rendererStartTime": 239.99799990653992,
"networkRequestTime": 242.11299991607666,
"networkEndTime": 315.0810000896454,
"finished": true,
"transferSize": 167393,
"resourceSize": 513188,
"statusCode": 200,
"mimeType": "application/javascript",
"resourceType": "Script",
"priority": "Low",
"experimentalFromMainFrame": true,
"entity": "Google Tag Manager"
},
{
"url": "https://www.osti.gov/assets/content/images/doe-seal-white-600-33-min.png",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 260.5829999446869,
"networkRequestTime": 261.16799998283386,
"networkEndTime": 369.5659999847412,
"finished": true,
"transferSize": 426,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "image/png",
"priority": "Low",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/images/OSTItitle_325-min.png",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 260.77300000190735,
"networkRequestTime": 261.5989999771118,
"networkEndTime": 435.5859999656677,
"finished": true,
"transferSize": 418,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "image/png",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/images/DOE-SC-OSTI-RGB-Logo.docx_:user:_rId14_:msword:_media_image6.svg",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 260.9189999103546,
"networkRequestTime": 261.9930000305176,
"networkEndTime": 439.7579998970032,
"finished": true,
"transferSize": 432,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "image/svg+xml",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/js/jquery-3.5.1.min.js",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 263.4359998703003,
"networkRequestTime": 263.989000082016,
"networkEndTime": 369.8949999809265,
"finished": true,
"transferSize": 426,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "application/javascript",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/js/jquery-migrate.min.js?v=3",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 264.6779999732971,
"networkRequestTime": 384.81900000572205,
"networkEndTime": 481.7060000896454,
"finished": true,
"transferSize": 431,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "application/javascript",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/js/jquery.once.js?v=1.2",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 264.79699993133545,
"networkRequestTime": 398.86100006103516,
"networkEndTime": 482.16999983787537,
"finished": true,
"transferSize": 426,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "application/javascript",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/misc/drupal.js?p5yarc",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 264.9189999103546,
"networkRequestTime": 402.7579998970032,
"networkEndTime": 504.25600004196167,
"finished": true,
"transferSize": 424,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "application/javascript",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/sites/all/modules/extlink/extlink.js",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 265.1309998035431,
"networkRequestTime": 429.02100014686584,
"networkEndTime": 512.9210000038147,
"finished": true,
"transferSize": 439,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "application/javascript",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/sites/all/modules/ctools/js/collapsible-div.js",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 265.24900007247925,
"networkRequestTime": 468.4960000514984,
"networkEndTime": 523.3540000915527,
"finished": true,
"transferSize": 449,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "application/javascript",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/css/fontawesome.font_.css",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 289.77100014686584,
"networkRequestTime": 294.6439998149872,
"networkEndTime": 402.49199986457825,
"finished": true,
"transferSize": 107839,
"resourceSize": 171880,
"statusCode": 200,
"mimeType": "text/css",
"resourceType": "Stylesheet",
"priority": "VeryHigh",
"isLinkPreload": true,
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/css/roboto.font_.css",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 321.49699997901917,
"networkRequestTime": 322.02099990844727,
"networkEndTime": 384.45700001716614,
"finished": true,
"transferSize": 38191,
"resourceSize": 53350,
"statusCode": 200,
"mimeType": "text/css",
"resourceType": "Stylesheet",
"priority": "VeryHigh",
"isLinkPreload": true,
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/images/doe-seal-white-600-33-min.png",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 369.5659999847412,
"networkRequestTime": 369.896999835968,
"networkEndTime": 398.6199998855591,
"finished": true,
"transferSize": 9181,
"resourceSize": 8762,
"statusCode": 200,
"mimeType": "image/png",
"resourceType": "Image",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/js/jquery-3.5.1.min.js",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 369.8949999809265,
"networkRequestTime": 370.46200013160706,
"networkEndTime": 427.9849998950958,
"finished": true,
"transferSize": 31392,
"resourceSize": 89476,
"statusCode": 200,
"mimeType": "application/javascript",
"resourceType": "Script",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.google-analytics.com/g/collect?v=2&tid=G-MP0JFZ283F>m=45je64k1h2v9116238154za200zd9116238154&_p=1776896020755&gcd=13l3l3l3l1l1&npa=0&dma=0&are=1&cid=1113934978.1776896021&frm=0&pscdl=noapi&rcb=2&sr=412x823&uaa=&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938469~117266400~117512542&sid=1776896020&sct=1&seg=0&dl=https%3A%2F%2Fwww.osti.gov%2F&dt=OSTI.GOV%20%7C%20U.S.%20Department%20of%20Energy%20Office%20of%20Scientific%20and%20Technical%20Information&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=428",
"sessionTargetType": "page",
"protocol": "h2",
"rendererStartTime": 427.2909998893738,
"networkRequestTime": 428.6749999523163,
"networkEndTime": 524.0659999847412,
"finished": true,
"transferSize": 547,
"resourceSize": 0,
"statusCode": 204,
"mimeType": "text/plain",
"resourceType": "Fetch",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "Google Analytics"
},
{
"url": "https://www.google-analytics.com/g/collect?v=2&tid=G-4W8DTEJH5Q>m=45je64k1h2v9116238154za200zd9116238154&_p=1776896020755&gcd=13l3l3l3l1l1&npa=0&dma=0&are=1&cid=1113934978.1776896021&frm=0&pscdl=noapi&rcb=2&sr=412x823&uaa=&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938469~117266400~117512542&sid=1776896020&sct=1&seg=0&dl=https%3A%2F%2Fwww.osti.gov%2F&dt=OSTI.GOV%20%7C%20U.S.%20Department%20of%20Energy%20Office%20of%20Scientific%20and%20Technical%20Information&en=page_view&_fv=1&_ss=1&_ee=1&tfd=435",
"sessionTargetType": "page",
"protocol": "h2",
"rendererStartTime": 433.55999994277954,
"networkRequestTime": 434.77299976348877,
"networkEndTime": 524.3619999885559,
"finished": true,
"transferSize": 48,
"resourceSize": 0,
"statusCode": 204,
"mimeType": "text/plain",
"resourceType": "Fetch",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "Google Analytics"
},
{
"url": "https://www.osti.gov/static/assets/content/images/OSTItitle_325-min.png",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 435.5859999656677,
"networkRequestTime": 436.46799993515015,
"networkEndTime": 467.952999830246,
"finished": true,
"transferSize": 2395,
"resourceSize": 1977,
"statusCode": 200,
"mimeType": "image/png",
"resourceType": "Image",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/images/DOE-SC-OSTI-RGB-Logo.docx_:user:_rId14_:msword:_media_image6.svg",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 439.7579998970032,
"networkRequestTime": 440.0079998970032,
"networkEndTime": 490.0390000343323,
"finished": true,
"transferSize": 51361,
"resourceSize": 173353,
"statusCode": 200,
"mimeType": "image/svg+xml",
"resourceType": "Image",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "data:application/font-woff;charset=utf-8;base64,d09GRgABAAAAAX7oAA0AAAAChqwABAAHAAAAAAAAAAAAAAAAAAA…",
"sessionTargetType": "page",
"protocol": "data",
"rendererStartTime": 444.3340001106262,
"networkRequestTime": 444.3340001106262,
"networkEndTime": 506.8400001525879,
"finished": true,
"transferSize": 98024,
"resourceSize": 98024,
"statusCode": 200,
"mimeType": "application/font-woff",
"resourceType": "Font",
"priority": "VeryHigh",
"experimentalFromMainFrame": true
},
{
"url": "data:application/font-woff;charset=utf-8;base64,d09GRgABAAAAAE1wABIAAAAAilAAAQABAAAAAAAAAAAAAAAAAAA…",
"sessionTargetType": "page",
"protocol": "data",
"rendererStartTime": 447.3509998321533,
"networkRequestTime": 447.3509998321533,
"networkEndTime": 510.8179998397827,
"finished": true,
"transferSize": 19824,
"resourceSize": 19824,
"statusCode": 200,
"mimeType": "application/font-woff",
"resourceType": "Font",
"priority": "VeryHigh",
"experimentalFromMainFrame": true
},
{
"url": "data:application/font-woff;charset=utf-8;base64,d09GRgABAAAAAE3MABIAAAAAiowAAQABAAAAAAAAAAAAAAAAAAA…",
"sessionTargetType": "page",
"protocol": "data",
"rendererStartTime": 450.4830000400543,
"networkRequestTime": 450.4830000400543,
"networkEndTime": 511.9229998588562,
"finished": true,
"transferSize": 19916,
"resourceSize": 19916,
"statusCode": 200,
"mimeType": "application/font-woff",
"resourceType": "Font",
"priority": "VeryHigh",
"experimentalFromMainFrame": true
},
{
"url": "https://www.osti.gov/static/assets/content/js/jquery-migrate.min.js?v=3",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 481.7060000896454,
"networkRequestTime": 482.15199995040894,
"networkEndTime": 513.7149999141693,
"finished": true,
"transferSize": 3194,
"resourceSize": 7084,
"statusCode": 200,
"mimeType": "application/javascript",
"resourceType": "Script",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/js/jquery.once.js?v=1.2",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 482.16999983787537,
"networkRequestTime": 482.93099999427795,
"networkEndTime": 514.0089998245239,
"finished": true,
"transferSize": 1553,
"resourceSize": 3051,
"statusCode": 200,
"mimeType": "application/javascript",
"resourceType": "Script",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/misc/drupal.js?p5yarc",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 504.25600004196167,
"networkRequestTime": 504.58199977874756,
"networkEndTime": 536.375,
"finished": true,
"transferSize": 7582,
"resourceSize": 21244,
"statusCode": 200,
"mimeType": "application/javascript",
"resourceType": "Script",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/sites/all/modules/extlink/extlink.js",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 512.9210000038147,
"networkRequestTime": 514.1949999332428,
"networkEndTime": 542.3829998970032,
"finished": true,
"transferSize": 2452,
"resourceSize": 5918,
"statusCode": 200,
"mimeType": "application/javascript",
"resourceType": "Script",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/sites/all/modules/ctools/js/collapsible-div.js",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 523.3540000915527,
"networkRequestTime": 524.7590000629425,
"networkEndTime": 553.625,
"finished": true,
"transferSize": 2922,
"resourceSize": 8192,
"statusCode": 200,
"mimeType": "application/javascript",
"resourceType": "Script",
"priority": "Medium",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/login",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 535.4099998474121,
"networkRequestTime": 536.7660000324249,
"networkEndTime": 572.2679998874664,
"finished": true,
"transferSize": 5732,
"resourceSize": 19748,
"statusCode": 200,
"mimeType": "text/html",
"resourceType": "XHR",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/260212.1631/img/ui/ui-gfx.svg",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 600.210000038147,
"networkRequestTime": 600.837000131607,
"networkEndTime": 628.7059998512268,
"finished": true,
"transferSize": 10469,
"resourceSize": 30922,
"statusCode": 200,
"mimeType": "image/svg+xml",
"resourceType": "Other",
"priority": "Low",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/260212.1631/img/ui/ORCID_Member_Web.png",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 606.9190001487732,
"networkRequestTime": 607.4370000362396,
"networkEndTime": 635.6630001068115,
"finished": true,
"transferSize": 11906,
"resourceSize": 11426,
"statusCode": 200,
"mimeType": "image/png",
"resourceType": "Image",
"priority": "Low",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/img/src/DOE_SC_OSTI_2025_Horizonal-IndustrialGray.svg",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 607.1079998016357,
"networkRequestTime": 607.7799999713898,
"networkEndTime": 648.4499998092651,
"finished": true,
"transferSize": 26205,
"resourceSize": 95088,
"statusCode": 200,
"mimeType": "image/svg+xml",
"resourceType": "Image",
"priority": "Low",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/assets/content/images/OSTI_favicon_32px.png",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 660.8550000190735,
"networkRequestTime": 661.2639999389648,
"networkEndTime": 692.1070001125336,
"finished": true,
"transferSize": 418,
"resourceSize": 0,
"statusCode": 302,
"mimeType": "image/png",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
},
{
"url": "https://www.osti.gov/static/assets/content/images/OSTI_favicon_32px.png",
"sessionTargetType": "page",
"protocol": "http/1.1",
"rendererStartTime": 692.1070001125336,
"networkRequestTime": 692.4499998092651,
"networkEndTime": 720.0929999351501,
"finished": true,
"transferSize": 1535,
"resourceSize": 1117,
"statusCode": 200,
"mimeType": "image/png",
"resourceType": "Other",
"priority": "High",
"experimentalFromMainFrame": true,
"entity": "osti.gov"
}
],
"debugData": {
"type": "debugdata",
"networkStartTimeTs": 1335142551881,
"initiators": [
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 21,
"columnNumber": 65
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 22,
"columnNumber": 168
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 23,
"columnNumber": 139
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 35,
"columnNumber": 85
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 6421,
"columnNumber": 9
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 6421,
"columnNumber": 9
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 6421,
"columnNumber": 9
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8361,
"columnNumber": 85
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8366,
"columnNumber": 82
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8367,
"columnNumber": 77
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8714,
"columnNumber": 75
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8715,
"columnNumber": 90
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8716,
"columnNumber": 100
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 22,
"columnNumber": 168
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 23,
"columnNumber": 139
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 6421,
"columnNumber": 9
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8361,
"columnNumber": 85
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 6421,
"columnNumber": 9
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 6421,
"columnNumber": 9
},
{
"type": "parser",
"url": "https://www.osti.gov/static/assets/content/css/fontawesome.font_.css"
},
{
"type": "parser",
"url": "https://www.osti.gov/static/assets/content/css/roboto.font_.css"
},
{
"type": "parser",
"url": "https://www.osti.gov/static/assets/content/css/roboto.font_.css"
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8366,
"columnNumber": 82
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8367,
"columnNumber": 77
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8714,
"columnNumber": 75
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8715,
"columnNumber": 90
},
{
"type": "parser",
"url": "https://www.osti.gov/",
"lineNumber": 8716,
"columnNumber": 100
}
]
}
}
},
"network-rtt": {
"id": "network-rtt",
"title": "Network Round Trip Times",
"description": "Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance. [Learn more about the Round Trip Time](https://hpbn.co/primer-on-latency-and-bandwidth/).",
"score": 1,
"scoreDisplayMode": "informative",
"numericValue": 24.857,
"numericUnit": "millisecond",
"displayValue": "20 ms",
"details": {
"type": "table",
"headings": [
{
"key": "origin",
"valueType": "text",
"label": "URL"
},
{
"key": "rtt",
"valueType": "ms",
"granularity": 1,
"label": "Time Spent"
}
],
"items": [
{
"origin": "https://osti.gov",
"rtt": 24.857
},
{
"origin": "https://www.osti.gov",
"rtt": 5.893
},
{
"origin": "https://www.googletagmanager.com",
"rtt": 1.427
},
{
"origin": "https://www.google-analytics.com",
"rtt": 0.8600000000000003
}
],
"sortedBy": [
"rtt"
]
}
},
"network-server-latency": {
"id": "network-server-latency",
"title": "Server Backend Latencies",
"description": "Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance. [Learn more about server response time](https://hpbn.co/primer-on-web-performance/#analyzing-the-resource-waterfall).",
"score": 1,
"scoreDisplayMode": "informative",
"numericValue": 24.054999999999993,
"numericUnit": "millisecond",
"displayValue": "20 ms",
"details": {
"type": "table",
"headings": [
{
"key": "origin",
"valueType": "text",
"label": "URL"
},
{
"key": "serverResponseTime",
"valueType": "ms",
"granularity": 1,
"label": "Time Spent"
}
],
"items": [
{
"origin": "https://www.osti.gov",
"serverResponseTime": 24.054999999999993
},
{
"origin": "https://www.googletagmanager.com",
"serverResponseTime": 22.912
},
{
"origin": "https://www.google-analytics.com",
"serverResponseTime": 16.4665
},
{
"origin": "https://osti.gov",
"serverResponseTime": 2.0379999999999967
}
],
"sortedBy": [
"serverResponseTime"
]
}
},
"main-thread-tasks": {
"id": "main-thread-tasks",
"title": "Tasks",
"description": "Lists the toplevel main thread tasks that executed during page load.",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "table",
"headings": [
{
"key": "startTime",
"valueType": "ms",
"granularity": 1,
"label": "Start Time"
},
{
"key": "duration",
"valueType": "ms",
"granularity": 1,
"label": "End Time"
}
],
"items": [
{
"duration": 11.353,
"startTime": 230.294
},
{
"duration": 12.142,
"startTime": 254.73
},
{
"duration": 21.644,
"startTime": 269.066
},
{
"duration": 36.964,
"startTime": 333.044
},
{
"duration": 64.981,
"startTime": 371.631
},
{
"duration": 13.157,
"startTime": 442.979
},
{
"duration": 21.901,
"startTime": 457.607
},
{
"duration": 12.244,
"startTime": 483.771
},
{
"duration": 9.134,
"startTime": 496.026
},
{
"duration": 7.6,
"startTime": 515.653
},
{
"duration": 7.159,
"startTime": 530.099
},
{
"duration": 58.143,
"startTime": 537.986
},
{
"duration": 9.219,
"startTime": 599.468
},
{
"duration": 8.134,
"startTime": 649.975
}
]
}
},
"metrics": {
"id": "metrics",
"title": "Metrics",
"description": "Collects all available metrics.",
"score": 1,
"scoreDisplayMode": "informative",
"numericValue": 6332,
"numericUnit": "millisecond",
"details": {
"type": "debugdata",
"items": [
{
"firstContentfulPaint": 2102,
"largestContentfulPaint": 6326,
"interactive": 6332,
"speedIndex": 2102,
"totalBlockingTime": 524,
"maxPotentialFID": 260,
"cumulativeLayoutShift": 0.02762,
"cumulativeLayoutShiftMainFrame": 0.02762,
"lcpLoadDelay": 5127,
"lcpLoadDuration": 5496,
"timeToFirstByte": 624,
"observedTimeOrigin": 0,
"observedTimeOriginTs": 1335142550775,
"observedNavigationStart": 0,
"observedNavigationStartTs": 1335142550775,
"observedFirstPaint": 304,
"observedFirstPaintTs": 1335142854919,
"observedFirstContentfulPaint": 304,
"observedFirstContentfulPaintTs": 1335142854919,
"observedFirstContentfulPaintAllFrames": 304,
"observedFirstContentfulPaintAllFramesTs": 1335142854919,
"observedLargestContentfulPaint": 540,
"observedLargestContentfulPaintTs": 1335143090664,
"observedLargestContentfulPaintAllFrames": 540,
"observedLargestContentfulPaintAllFramesTs": 1335143090664,
"observedTraceEnd": 3039,
"observedTraceEndTs": 1335145589518,
"observedLoad": 660,
"observedLoadTs": 1335143210464,
"observedDomContentLoaded": 613,
"observedDomContentLoadedTs": 1335143163648,
"observedCumulativeLayoutShift": 0.02762,
"observedCumulativeLayoutShiftMainFrame": 0.02762,
"observedFirstVisualChange": 304,
"observedFirstVisualChangeTs": 1335142854775,
"observedLastVisualChange": 2633,
"observedLastVisualChangeTs": 1335145183775,
"observedSpeedIndex": 371,
"observedSpeedIndexTs": 1335142921750
},
{
"lcpInvalidated": false
}
]
}
},
"resource-summary": {
"id": "resource-summary",
"title": "Resources Summary",
"description": "Aggregates all network requests and groups them by type",
"score": 1,
"scoreDisplayMode": "informative",
"details": {
"type": "table",
"headings": [
{
"key": "label",
"valueType": "text",
"label": "Resource Type"
},
{
"key": "requestCount",
"valueType": "numeric",
"label": "Requests"
},
{
"key": "transferSize",
"valueType": "bytes",
"label": "Transfer Size"
}
],
"items": [
{
"resourceType": "total",
"label": "Total",
"requestCount": 34,
"transferSize": 548381
},
{
"resourceType": "script",
"label": "Script",
"requestCount": 7,
"transferSize": 216488
},
{
"resourceType": "stylesheet",
"label": "Stylesheet",
"requestCount": 2,
"transferSize": 146030
},
{
"resourceType": "image",
"label": "Image",
"requestCount": 5,
"transferSize": 101048
},
{
"resourceType": "document",
"label": "Document",
"requestCount": 1,
"transferSize": 54845
},
{
"resourceType": "other",
"label": "Other",
"requestCount": 19,
"transferSize": 29970
},
{
"resourceType": "media",
"label": "Media",
"requestCount": 0,
"transferSize": 0
},
{
"resourceType": "font",
"label": "Font",
"requestCount": 0,
"transferSize": 0
},
{
"resourceType": "third-party",
"label": "Third-party",
"requestCount": 3,
"transferSize": 167988
}
]
}
},
"layout-shifts": {
"id": "layout-shifts",
"title": "Avoid large layout shifts",
"description": "These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to [windowing](https://web.dev/articles/cls#what_is_cls). [Learn how to improve CLS](https://web.dev/articles/optimize-cls)",
"score": 1,
"scoreDisplayMode": "informative",
"displayValue": "1 layout shift found",
"metricSavings": {
"CLS": 0.028
},
"details": {
"type": "table",
"headings": [
{
"key": "node",
"valueType": "node",
"subItemsHeading": {
"key": "extra"
},
"label": "Element"
},
{
"key": "score",
"valueType": "numeric",
"subItemsHeading": {
"key": "cause",
"valueType": "text"
},
"granularity": 0.001,
"label": "Layout shift score"
}
],
"items": [
{
"node": {
"type": "node",
"lhId": "page-1-DIV",
"path": "1,HTML,1,BODY,14,DIV,0,DIV,1,DIV,0,FOOTER,0,DIV,0,DIV,1,DIV,2,DIV",
"selector": "div.footer-minor > div.container > div.col > div.row",
"boundingRect": {
"top": 629,
"bottom": 813,
"left": 15,
"right": 397,
"width": 382,
"height": 184
},
"snippet": "