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"right": 409,
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"snippet": "![\"\"](\"/img/lnk12.png\")
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"nodeLabel": "div.sixt > div > a.nob > img"
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"lhId": "1-103-IMG",
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"valid-source-maps": {
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"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/).",
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"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/)",
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"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)",
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"details": {
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"headings": [
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"key": "description",
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"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).",
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"details": {
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"headings": [
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"details": {
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"headings": [
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"score": 1,
"scoreDisplayMode": "informative",
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"guidanceLevel": 2
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"long-tasks": {
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"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": null,
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"metricSavings": {
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{
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"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)",
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"details": {
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"path": "1,HTML,1,BODY,3,DIV,0,DIV,0,DIV,0,DIV,12,DIV,0,NOINDEX,2,A,0,IMG",
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"snippet": "",
"nodeLabel": "div.sixt > div > a.nob > img"
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"lhId": "1-94-IMG",
"path": "1,HTML,1,BODY,2,DIV,9,DIV,0,DIV,0,A,0,IMG",
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"boundingRect": {
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"snippet": "",
"nodeLabel": "div.sixt > div > a.nob > img"
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"node": {
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"snippet": "",
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"node": {
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"lhId": "1-96-IMG",
"path": "1,HTML,1,BODY,2,DIV,11,DIV,0,DIV,0,A,0,IMG",
"selector": "div.sixt > div > a.nob > img",
"boundingRect": {
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"snippet": "",
"nodeLabel": "div.sixt > div > a.nob > img"
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"node": {
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"lhId": "1-103-IMG",
"path": "1,HTML,1,BODY,3,DIV,0,DIV,1,DIV,11,DIV,1,IMG",
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"boundingRect": {
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"width": 9,
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"valid-source-maps": {
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"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": {
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"headings": [
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"subItemsHeading": {
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"label": "URL"
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"items": []
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"csp-xss": {
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"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": {
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"headings": [
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"valueType": "text",
"subItemsHeading": {
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"subItemsHeading": {
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"subItemsHeading": {
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"label": "Severity"
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"items": [
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}
},
"has-hsts": {
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"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": 1,
"scoreDisplayMode": "informative",
"details": {
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"headings": [
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"subItemsHeading": {
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"subItemsHeading": {
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"items": [
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"severity": "Medium"
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}
},
"origin-isolation": {
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"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": {
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"headings": [
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{
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"subItemsHeading": {
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"items": [
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"clickjacking-mitigation": {
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"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": {
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"headings": [
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"subItemsHeading": {
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{
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"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.kharkov.ua/",
"resourceBytes": 663,
"encodedBytes": 170,
"unusedBytes": 473,
"children": [
{
"name": "(inline) //