{ "captchaResult": "CAPTCHA_NOT_NEEDED", "kind": "pagespeedonline#result", "id": "https://www.harbourlane.example/collections/raincoats", "loadingExperience": { "id": "https://www.harbourlane.example/collections/raincoats", "initial_url": "https://www.harbourlane.example/collections/raincoats", "overall_category": "SLOW", "metrics": { "LARGEST_CONTENTFUL_PAINT_MS": { "percentile": 4300, "distributions": [ { "min": 0, "max": 2500, "proportion": 0.48 }, { "min": 2500, "max": 4000, "proportion": 0.24 }, { "min": 4000, "proportion": 0.28 } ], "category": "SLOW" }, "INTERACTION_TO_NEXT_PAINT": { "percentile": 168, "distributions": [ { "min": 0, "max": 200, "proportion": 0.81 }, { "min": 200, "max": 500, "proportion": 0.15 }, { "min": 500, "proportion": 0.04 } ], "category": "FAST" }, "CUMULATIVE_LAYOUT_SHIFT_SCORE": { "percentile": 14, "distributions": [ { "min": 0, "max": 10, "proportion": 0.69 }, { "min": 10, "max": 25, "proportion": 0.22 }, { "min": 25, "proportion": 0.09 } ], "category": "AVERAGE" }, "FIRST_CONTENTFUL_PAINT_MS": { "percentile": 2100, "distributions": [ { "min": 0, "max": 1800, "proportion": 0.66 }, { "min": 1800, "max": 3000, "proportion": 0.23 }, { "min": 3000, "proportion": 0.11 } ], "category": "AVERAGE" }, "EXPERIMENTAL_TIME_TO_FIRST_BYTE": { "percentile": 1250, "distributions": [ { "min": 0, "max": 800, "proportion": 0.52 }, { "min": 800, "max": 1800, "proportion": 0.33 }, { "min": 1800, "proportion": 0.15 } ], "category": "AVERAGE" } } }, "originLoadingExperience": { "id": "https://www.harbourlane.example", "overall_category": "AVERAGE", "metrics": { "LARGEST_CONTENTFUL_PAINT_MS": { "percentile": 3100, "distributions": [ { "min": 0, "max": 2500, "proportion": 0.64 }, { "min": 2500, "max": 4000, "proportion": 0.22 }, { "min": 4000, "proportion": 0.14 } ], "category": "AVERAGE" }, "INTERACTION_TO_NEXT_PAINT": { "percentile": 190, "distributions": [ { "min": 0, "max": 200, "proportion": 0.77 }, { "min": 200, "max": 500, "proportion": 0.18 }, { "min": 500, "proportion": 0.05 } ], "category": "FAST" }, "CUMULATIVE_LAYOUT_SHIFT_SCORE": { "percentile": 9, "distributions": [ { "min": 0, "max": 10, "proportion": 0.76 }, { "min": 10, "max": 25, "proportion": 0.17 }, { "min": 25, "proportion": 0.07 } ], "category": "FAST" } } }, "lighthouseResult": { "lighthouseVersion": "12.6.1", "requestedUrl": "https://www.harbourlane.example/collections/raincoats", "mainDocumentUrl": "https://www.harbourlane.example/collections/raincoats", "finalDisplayedUrl": "https://www.harbourlane.example/collections/raincoats", "finalUrl": "https://www.harbourlane.example/collections/raincoats", "fetchTime": "2026-10-12T08:14:03.512Z", "gatherMode": "navigation", "runWarnings": [], "userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/141.0.0.0 Safari/537.36", "environment": { "networkUserAgent": "Mozilla/5.0 (Linux; Android 11; moto g power (2022)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Mobile Safari/537.36 Chrome-Lighthouse", "hostUserAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/141.0.0.0 Safari/537.36", "benchmarkIndex": 1462.5 }, "configSettings": { "output": [ "json" ], "maxWaitForFcp": 30000, "maxWaitForLoad": 45000, "pauseAfterFcpMs": 1000, "pauseAfterLoadMs": 1000, "networkQuietThresholdMs": 1000, "cpuQuietThresholdMs": 1000, "formFactor": "mobile", "throttling": { "rttMs": 150, "throughputKbps": 1638.4, "requestLatencyMs": 562.5, "downloadThroughputKbps": 1474.5600000000002, "uploadThroughputKbps": 675, "cpuSlowdownMultiplier": 4 }, "throttlingMethod": "simulate", "screenEmulation": { "mobile": true, "width": 412, "height": 823, "deviceScaleFactor": 1.75, "disabled": false }, "emulatedUserAgent": "Mozilla/5.0 (Linux; Android 11; moto g power (2022)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Mobile Safari/537.36", "onlyCategories": [ "performance" ], "channel": "lr" }, "categories": { "performance": { "id": "performance", "title": "Performance", "score": 0.92, "auditRefs": [ { "id": "first-contentful-paint", "weight": 10, "group": "metrics", "acronym": "FCP" }, { "id": "largest-contentful-paint", "weight": 25, "group": "metrics", "acronym": "LCP" }, { "id": "total-blocking-time", "weight": 30, "group": "metrics", "acronym": "TBT" }, { "id": "cumulative-layout-shift", "weight": 25, "group": "metrics", "acronym": "CLS" }, { "id": "speed-index", "weight": 10, "group": "metrics", "acronym": "SI" } ] } }, "audits": { "first-contentful-paint": { "id": "first-contentful-paint", "title": "First Contentful Paint", "score": 0.98, "scoreDisplayMode": "numeric", "numericValue": 1180.4, "numericUnit": "millisecond", "displayValue": "1.2 s" }, "largest-contentful-paint": { "id": "largest-contentful-paint", "title": "Largest Contentful Paint", "score": 0.92, "scoreDisplayMode": "numeric", "numericValue": 2380.2, "numericUnit": "millisecond", "displayValue": "2.4 s" }, "total-blocking-time": { "id": "total-blocking-time", "title": "Total Blocking Time", "score": 0.81, "scoreDisplayMode": "numeric", "numericValue": 260, "numericUnit": "millisecond", "displayValue": "260 ms" }, "cumulative-layout-shift": { "id": "cumulative-layout-shift", "title": "Cumulative Layout Shift", "score": 0.99, "scoreDisplayMode": "numeric", "numericValue": 0.0402, "numericUnit": "unitless", "displayValue": "0.04" }, "speed-index": { "id": "speed-index", "title": "Speed Index", "score": 0.99, "scoreDisplayMode": "numeric", "numericValue": 2051.7, "numericUnit": "millisecond", "displayValue": "2.1 s" }, "interactive": { "id": "interactive", "title": "Time to Interactive", "score": 0.86, "scoreDisplayMode": "numeric", "numericValue": 3912.0, "numericUnit": "millisecond", "displayValue": "3.9 s" }, "server-response-time": { "id": "server-response-time", "title": "Initial server response time was short", "score": 1, "scoreDisplayMode": "metricSavings", "numericValue": 182.3, "numericUnit": "millisecond", "displayValue": "Root document took 180 ms", "metricSavings": { "FCP": 0, "LCP": 0 } }, "largest-contentful-paint-element": { "id": "largest-contentful-paint-element", "title": "Largest Contentful Paint element", "score": 0, "scoreDisplayMode": "metricSavings", "displayValue": "2,380 ms", "metricSavings": { "LCP": 0 }, "details": { "type": "list", "items": [ { "type": "table", "headings": [ { "key": "node", "valueType": "node", "label": "Element" } ], "items": [ { "node": { "type": "node", "lhId": "1-14-IMG", "path": "1,HTML,1,BODY,3,MAIN,0,SECTION,0,PICTURE,1,IMG", "selector": "main > section.collection-hero > picture > img.collection-hero__image", "nodeLabel": "Two walkers in yellow raincoats on a harbour wall", "snippet": "\"Two" } } ] }, { "type": "table", "headings": [ { "key": "phase", "valueType": "text", "label": "Phase" }, { "key": "percent", "valueType": "text", "label": "% of LCP" }, { "key": "timing", "valueType": "ms", "label": "Timing" } ], "items": [ { "phase": "TTFB", "timing": 410, "percent": "17%" }, { "phase": "Load Delay", "timing": 1190, "percent": "50%" }, { "phase": "Load Time", "timing": 540, "percent": "23%" }, { "phase": "Render Delay", "timing": 240, "percent": "10%" } ] } ] } }, "lcp-lazy-loaded": { "id": "lcp-lazy-loaded", "title": "Largest Contentful Paint image was lazily loaded", "score": 0, "scoreDisplayMode": "metricSavings", "metricSavings": { "LCP": 0 }, "details": { "type": "table", "headings": [ { "key": "node", "valueType": "node" } ], "items": [ { "node": { "type": "node", "lhId": "1-14-IMG", "path": "1,HTML,1,BODY,3,MAIN,0,SECTION,0,PICTURE,1,IMG", "selector": "main > section.collection-hero > picture > img.collection-hero__image", "nodeLabel": "Two walkers in yellow raincoats on a harbour wall", "snippet": "\"Two" } } ] } }, "prioritize-lcp-image": { "id": "prioritize-lcp-image", "title": "Preload Largest Contentful Paint image", "score": 0, "scoreDisplayMode": "metricSavings", "displayValue": "Est savings of 980 ms", "metricSavings": { "LCP": 980 }, "details": { "type": "opportunity", "headings": [ { "key": "node", "valueType": "node" }, { "key": "url", "valueType": "url" }, { "key": "wastedMs", "valueType": "timespanMs" } ], "items": [ { "node": { "type": "node", "lhId": "1-14-IMG", "path": "1,HTML,1,BODY,3,MAIN,0,SECTION,0,PICTURE,1,IMG", "selector": "main > section.collection-hero > picture > img.collection-hero__image", "nodeLabel": "Two walkers in yellow raincoats on a harbour wall", "snippet": "\"Two" }, "url": "https://www.harbourlane.example/cdn/shop/files/raincoats-hero-2400w.avif", "wastedMs": 980 } ], "overallSavingsMs": 980, "overallSavingsBytes": 0 } }, "modern-image-formats": { "id": "modern-image-formats", "title": "Serve images in next-gen formats", "score": 0, "scoreDisplayMode": "metricSavings", "displayValue": "Est savings of 1,240 KiB", "metricSavings": { "FCP": 0, "LCP": 0 }, "details": { "type": "opportunity", "headings": [ { "key": "url", "valueType": "url" }, { "key": "totalBytes", "valueType": "bytes" }, { "key": "wastedBytes", "valueType": "bytes" } ], "items": [ { "url": "https://www.harbourlane.example/cdn/shop/products/mac-classic-yellow.jpg", "totalBytes": 399000, "wastedBytes": 248000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/mac-classic-navy.jpg", "totalBytes": 382000, "wastedBytes": 231000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/storm-parka-olive.jpg", "totalBytes": 370000, "wastedBytes": 219000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/storm-parka-black.jpg", "totalBytes": 365000, "wastedBytes": 214000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/drift-cagoule-red.jpg", "totalBytes": 337000, "wastedBytes": 186000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/drift-cagoule-sand.jpg", "totalBytes": 323000, "wastedBytes": 172000 } ], "overallSavingsMs": 2850, "overallSavingsBytes": 1270000 } }, "uses-responsive-images": { "id": "uses-responsive-images", "title": "Properly size images", "score": 0, "scoreDisplayMode": "metricSavings", "displayValue": "Est savings of 686 KiB", "metricSavings": { "FCP": 0, "LCP": 300 }, "details": { "type": "opportunity", "headings": [ { "key": "url", "valueType": "url" }, { "key": "totalBytes", "valueType": "bytes" }, { "key": "wastedBytes", "valueType": "bytes" } ], "items": [ { "url": "https://www.harbourlane.example/cdn/shop/files/raincoats-hero-2400w.avif", "totalBytes": 412000, "wastedBytes": 318000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/mac-classic-yellow.jpg", "totalBytes": 399000, "wastedBytes": 96000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/mac-classic-navy.jpg", "totalBytes": 382000, "wastedBytes": 96000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/storm-parka-olive.jpg", "totalBytes": 370000, "wastedBytes": 96000 }, { "url": "https://www.harbourlane.example/cdn/shop/products/storm-parka-black.jpg", "totalBytes": 365000, "wastedBytes": 96000 } ], "overallSavingsMs": 1650, "overallSavingsBytes": 702000 } }, "render-blocking-resources": { "id": "render-blocking-resources", "title": "Eliminate render-blocking resources", "score": 0, "scoreDisplayMode": "metricSavings", "displayValue": "Est savings of 450 ms", "metricSavings": { "FCP": 450, "LCP": 220 }, "details": { "type": "opportunity", "headings": [ { "key": "url", "valueType": "url" }, { "key": "totalBytes", "valueType": "bytes" }, { "key": "wastedMs", "valueType": "timespanMs" } ], "items": [ { "url": "https://www.harbourlane.example/cdn/shop/t/12/assets/theme.css", "totalBytes": 61440, "wastedMs": 300 }, { "url": "https://cdn.consentkit.example/v3/banner.css", "totalBytes": 18432, "wastedMs": 150 } ], "overallSavingsMs": 450, "overallSavingsBytes": 0 } }, "unused-javascript": { "id": "unused-javascript", "title": "Reduce unused JavaScript", "score": 0.5, "scoreDisplayMode": "metricSavings", "displayValue": "Est savings of 175 KiB", "metricSavings": { "FCP": 0, "LCP": 0 }, "details": { "type": "opportunity", "headings": [ { "key": "url", "valueType": "url" }, { "key": "totalBytes", "valueType": "bytes" }, { "key": "wastedBytes", "valueType": "bytes" } ], "items": [ { "url": "https://widget.chatterbox.example/v2/loader.js", "totalBytes": 201000, "wastedBytes": 118000, "wastedPercent": 58.7 }, { "url": "https://www.harbourlane.example/cdn/shop/t/12/assets/theme.js", "totalBytes": 142000, "wastedBytes": 61000, "wastedPercent": 43.0 } ], "overallSavingsMs": 600, "overallSavingsBytes": 179000 } }, "layout-shifts": { "id": "layout-shifts", "title": "Avoid large layout shifts", "score": 0.5, "scoreDisplayMode": "metricSavings", "metricSavings": { "CLS": 0.04 }, "displayValue": "2 layout shifts found", "details": { "type": "table", "headings": [ { "key": "node", "valueType": "node" }, { "key": "score", "valueType": "numeric" } ], "items": [ { "node": { "type": "node", "lhId": "1-31-IMG", "path": "1,HTML,1,BODY,3,MAIN,2,UL,0,LI,0,A,0,IMG", "selector": "ul.product-grid > li:nth-child(1) > a > img.product-card__image", "nodeLabel": "Classic mac, yellow", "snippet": "\"Classic" }, "score": 0.0261, "subItems": { "type": "subitems", "items": [ { "extra": { "type": "url", "value": "https://www.harbourlane.example/cdn/shop/products/mac-classic-yellow.jpg" }, "cause": "Unsized image element" } ] } }, { "node": { "type": "node", "lhId": "1-12-H1", "path": "1,HTML,1,BODY,3,MAIN,0,SECTION,1,H1", "selector": "main > section.collection-hero > h1.collection-hero__title", "nodeLabel": "Raincoats", "snippet": "

" }, "score": 0.0141, "subItems": { "type": "subitems", "items": [ { "extra": { "type": "url", "value": "https://www.harbourlane.example/cdn/shop/t/12/assets/harbour-sans.woff2" }, "cause": "Web font loaded" } ] } } ] } }, "unsized-images": { "id": "unsized-images", "title": "Image elements do not have explicit width and height", "score": 0, "scoreDisplayMode": "metricSavings", "metricSavings": { "CLS": 0 }, "details": { "type": "table", "headings": [ { "key": "node", "valueType": "node" }, { "key": "url", "valueType": "url" } ], "items": [ { "node": { "type": "node", "lhId": "1-31-IMG", "path": "1,HTML,1,BODY,3,MAIN,2,UL,0,LI,0,A,0,IMG", "selector": "ul.product-grid > li:nth-child(1) > a > img.product-card__image", "nodeLabel": "Classic mac, yellow", "snippet": "\"Classic" }, "url": "https://www.harbourlane.example/cdn/shop/products/mac-classic-yellow.jpg" }, { "node": { "type": "node", "lhId": "1-32-IMG", "path": "1,HTML,1,BODY,3,MAIN,2,UL,1,LI,0,A,0,IMG", "selector": "ul.product-grid > li:nth-child(2) > a > img.product-card__image", "nodeLabel": "Classic mac, navy", "snippet": "\"Classic" }, "url": "https://www.harbourlane.example/cdn/shop/products/mac-classic-navy.jpg" } ] } }, "font-display": { "id": "font-display", "title": "Ensure text remains visible during webfont load", "score": 0, "scoreDisplayMode": "metricSavings", "displayValue": "Est savings of 220 ms", "metricSavings": { "FCP": 0, "LCP": 0 }, "details": { "type": "table", "headings": [ { "key": "url", "valueType": "url" }, { "key": "wastedMs", "valueType": "ms" } ], "items": [ { "url": "https://www.harbourlane.example/cdn/shop/t/12/assets/harbour-sans.woff2", "wastedMs": 220 } ] } }, "long-tasks": { "id": "long-tasks", "title": "Avoid long main-thread tasks", "score": 1, "scoreDisplayMode": "informative", "displayValue": "4 long tasks found", "details": { "type": "table", "headings": [ { "key": "url", "valueType": "url" }, { "key": "startTime", "valueType": "ms" }, { "key": "duration", "valueType": "ms" } ], "items": [ { "url": "https://widget.chatterbox.example/v2/loader.js", "duration": 170, "startTime": 3120 }, { "url": "https://www.harbourlane.example/cdn/shop/t/12/assets/theme.js", "duration": 128, "startTime": 1610 }, { "url": "https://www.tagpilot.example/tp.js?id=TP-000000", "duration": 101, "startTime": 2480 }, { "url": "https://cdn.consentkit.example/v3/consent.js", "duration": 61, "startTime": 1290 } ] } }, "third-party-summary": { "id": "third-party-summary", "title": "Reduce the impact of third-party code", "score": 0, "scoreDisplayMode": "metricSavings", "displayValue": "Third-party code blocked the main thread for 180 ms", "metricSavings": { "TBT": 182 }, "details": { "type": "table", "headings": [ { "key": "entity", "valueType": "text" }, { "key": "transferSize", "valueType": "bytes" }, { "key": "mainThreadTime", "valueType": "ms" }, { "key": "blockingTime", "valueType": "ms" } ], "items": [ { "entity": "ChatterBox", "mainThreadTime": 412, "blockingTime": 120, "transferSize": 214000 }, { "entity": "TagPilot", "mainThreadTime": 233, "blockingTime": 51, "transferSize": 98000 }, { "entity": "ConsentKit", "mainThreadTime": 118, "blockingTime": 11, "transferSize": 41000 } ] } }, "bootup-time": { "id": "bootup-time", "title": "JavaScript execution time", "score": 1, "scoreDisplayMode": "metricSavings", "displayValue": "1.1 s", "metricSavings": { "TBT": 0 }, "numericValue": 1128, "numericUnit": "millisecond", "details": { "type": "table", "headings": [ { "key": "url", "valueType": "url" }, { "key": "total", "valueType": "ms" }, { "key": "scripting", "valueType": "ms" } ], "items": [ { "url": "https://widget.chatterbox.example/v2/loader.js", "total": 412, "scripting": 371, "scriptParseCompile": 22 }, { "url": "https://www.harbourlane.example/cdn/shop/t/12/assets/theme.js", "total": 365, "scripting": 298, "scriptParseCompile": 31 }, { "url": "https://www.tagpilot.example/tp.js?id=TP-000000", "total": 233, "scripting": 201, "scriptParseCompile": 12 }, { "url": "https://cdn.consentkit.example/v3/consent.js", "total": 118, "scripting": 96, "scriptParseCompile": 8 } ] } }, "mainthread-work-breakdown": { "id": "mainthread-work-breakdown", "title": "Minimize main-thread work", "score": 1, "scoreDisplayMode": "metricSavings", "displayValue": "2.6 s", "metricSavings": { "TBT": 0 }, "numericValue": 2640, "numericUnit": "millisecond", "details": { "type": "table", "headings": [ { "key": "groupLabel", "valueType": "text" }, { "key": "duration", "valueType": "ms" } ], "items": [ { "group": "scriptEvaluation", "groupLabel": "Script Evaluation", "duration": 1310 }, { "group": "styleLayout", "groupLabel": "Style & Layout", "duration": 610 }, { "group": "other", "groupLabel": "Other", "duration": 720 } ] } } }, "entities": [ { "name": "harbourlane.example", "origins": [ "https://www.harbourlane.example" ], "isFirstParty": true, "isUnrecognized": true }, { "name": "ChatterBox", "origins": [ "https://widget.chatterbox.example" ], "isFirstParty": false }, { "name": "TagPilot", "origins": [ "https://www.tagpilot.example" ], "isFirstParty": false }, { "name": "ConsentKit", "origins": [ "https://cdn.consentkit.example" ], "isFirstParty": false } ] }, "analysisUTCTimestamp": "2026-10-12T08:14:09.882Z" }