2026-09-05 · Lab data, not field data.
View details
Simulated mobile · Lab data, not field data
2026-09-05T14:34:14.572Z · Lighthouse 13.4.1
Performance100/ 100
Accessibility96/ 100
Best practices96/ 100
SEO80/ 100
LCP · Largest content777 ms
CLS · Layout shift0.000
TBT · Blocking time0 ms
FCP · First content777 ms
SI · Speed index1,914 ms
Results vary by server, network and environment, independently of taste/conversion scores. Diagnostics retain Lighthouse wording.
Document does not have a main landmark.
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Elements & resources
{
"type": "table",
"items": [
{
"node": {
"lhId": "1-0-HTML",
"path": "1,HTML",
"type": "node",
"snippet": "<html lang=\"en\">",
"selector": "html",
"nodeLabel": "html",
"explanation": "Fix all of the following:\n Document does not have a main landmark",
"boundingRect": {
"top": 0,
"left": 0,
"right": 412,
"width": 412,
"bottom": 402,
"height": 402
}
}
}
],
"headings": [
{
"key": "node",
"label": "Failing Elements",
"valueType": "node",
"subItemsHeading": {
"key": "relatedNode",
"valueType": "node"
}
}
],
"debugData": {
"tags": [
"cat.semantics",
"best-practice"
],
"type": "debugdata",
"impact": "moderate"
}
}Charset declaration is missing or occurs too late in the HTML
A character encoding declaration is required. It can be done with a `<meta>` tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header. Learn more about declaring the character encoding.
Document does not have a meta description
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.
Links do not have descriptive text
1 link found
Descriptive link text helps search engines understand your content. Learn how to make links more accessible.
Elements & resources
{
"type": "table",
"items": [
{
"href": "https://iana.org/domains/example",
"text": "Learn more",
"textLang": "en"
}
],
"headings": [
{
"key": "href",
"label": "Link destination",
"valueType": "url"
},
{
"key": "text",
"label": "Link Text",
"valueType": "text"
}
]
}Environment & raw metrics
{
"finalUrl": "https://example.com/",
"userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/151.0.0.0 Safari/537.36",
"formFactor": "mobile",
"throttlingMethod": "simulate",
"throttling": {
"rttMs": 150,
"throughputKbps": 1638.4,
"requestLatencyMs": 562.5,
"uploadThroughputKbps": 675,
"cpuSlowdownMultiplier": 4,
"downloadThroughputKbps": 1474.5600000000002
},
"metrics": [
{
"id": "largest-contentful-paint",
"unit": "millisecond",
"value": 776.588
},
{
"id": "cumulative-layout-shift",
"unit": "unitless",
"value": 0
},
{
"id": "total-blocking-time",
"unit": "millisecond",
"value": 0
},
{
"id": "first-contentful-paint",
"unit": "millisecond",
"value": 776.588
},
{
"id": "speed-index",
"unit": "millisecond",
"value": 1913.9669999839782
}
]
}
