{ "fetchTime": "2024-05-07T16:11:46.411Z", "requestedUrl": "https://bau.com/text/120301_iso-2.php", "finalUrl": "https://bau.com/text/120301_iso-2.php", "lighthouseVersion": "11.5.0", "environment": { "networkUserAgent": "Mozilla/5.0 (Linux; Android 11; moto g power (2022)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Mobile Safari/537.36", "hostUserAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/122.0.6261.94 Safari/537.36", "benchmarkIndex": 401.5, "credits": { "axe-core": "4.8.1" } }, "userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/122.0.6261.94 Safari/537.36", "runWarnings": [], "audits": { "accesskeys": { "id": "accesskeys", "title": "`[accesskey]` values are unique", "description": "Access keys let users quickly focus a part of the page. For proper navigation, each access key must be unique. 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[Learn how to name `tooltip` elements](https://dequeuniversity.com/rules/axe/4.8/aria-tooltip-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-treeitem-name": { "id": "aria-treeitem-name", "title": "ARIA `treeitem` elements have accessible names", "description": "When a `treeitem` element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. [Learn more about labeling `treeitem` elements](https://dequeuniversity.com/rules/axe/4.8/aria-treeitem-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-valid-attr": { "id": "aria-valid-attr", "title": "`[aria-*]` attributes are valid and not misspelled", "description": "Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid names. [Learn more about valid ARIA attributes](https://dequeuniversity.com/rules/axe/4.8/aria-valid-attr).", "score": 1, "scoreDisplayMode": "binary", "details": { "headings": [], "items": [], "type": "table" } }, "aria-valid-attr-value": { "id": "aria-valid-attr-value", "title": "`[aria-*]` attributes have valid values", "description": "Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. [Learn more about valid values for ARIA attributes](https://dequeuniversity.com/rules/axe/4.8/aria-valid-attr-value).", "score": 1, "scoreDisplayMode": "binary", "details": { "headings": [], "items": [], "type": "table" } }, "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": "informative", "displayValue": "0.0 s", "details": { "headings": [ { "key": "url", "label": "URL", "valueType": "url" }, { "granularity": 1, "key": "total", "label": "Total CPU Time", "valueType": "ms" }, { "granularity": 1, "key": "scripting", "label": "Script Evaluation", "valueType": "ms" }, { "granularity": 1, "key": "scriptParseCompile", "label": "Script Parse", "valueType": "ms" } ], "items": [ { "scriptParseCompile": 0.816, "scripting": 13.123999999999995, "total": 368.844, "url": "https://bau.com/css/js/jquery_klapp_backtotop.js" }, { "scriptParseCompile": 1.548, "scripting": 10.831999999999999, "total": 152.10000000000002, "url": "https://bau.com/text/120301_iso-2.php" }, { "scriptParseCompile": 0, "scripting": 6.22, "total": 105.04799999999996, "url": "Unattributable" } ], "sortedBy": [ "total" ], "summary": { "wastedMs": 32.53999999999999 }, "type": "table" }, "numericValue": 32.53999999999999, "numericUnit": "millisecond", "metricSavings": { "TBT": 0 }, "guidanceLevel": 1 }, "button-name": { "id": "button-name", "title": "Buttons have an accessible name", "description": "When a button doesn't have an accessible name, screen readers announce it as \"button\", making it unusable for users who rely on screen readers. [Learn how to make buttons more accessible](https://dequeuniversity.com/rules/axe/4.8/button-name).", "score": 1, "scoreDisplayMode": "binary", "details": { "headings": [], "items": [], "type": "table" } }, "bypass": { "id": "bypass", "title": "The page contains a heading, skip link, or landmark region", "description": "Adding ways to bypass repetitive content lets keyboard users navigate the page more efficiently. [Learn more about bypass blocks](https://dequeuniversity.com/rules/axe/4.8/bypass).", "score": null, "scoreDisplayMode": "notApplicable" }, "canonical": { "id": "canonical", "title": "Document has a valid `rel=canonical`", "description": "Canonical links suggest which URL to show in search results. [Learn more about canonical links](https://developer.chrome.com/docs/lighthouse/seo/canonical/).", "score": 1, "scoreDisplayMode": "binary" }, "charset": { "id": "charset", "title": "Properly defines charset", "description": "A character encoding declaration is required. It can be done with a `` tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header. [Learn more about declaring the character encoding](https://developer.chrome.com/docs/lighthouse/best-practices/charset/).", "score": 1, "scoreDisplayMode": "binary" }, "color-contrast": { "id": "color-contrast", "title": "Background and foreground colors have a sufficient contrast ratio", "description": "Low-contrast text is difficult or impossible for many users to read. [Learn how to provide sufficient color contrast](https://dequeuniversity.com/rules/axe/4.8/color-contrast).", "score": 1, "scoreDisplayMode": "binary", "details": { "headings": [], "items": [], "type": "table" } }, "crawlable-anchors": { "id": "crawlable-anchors", "title": "Links are crawlable", "description": "Search engines may use `href` attributes on links to crawl websites. 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[Learn how to avoid chaining critical requests](https://developer.chrome.com/docs/lighthouse/performance/critical-request-chains/).", "score": 1, "scoreDisplayMode": "informative", "displayValue": "1 chain found", "details": { "chains": { "E977B179AA1F00F64AEC2D8FAA25E4EA": { "children": { "53.2": { "request": { "endTime": 578466.098723, "responseReceivedTime": 578466.09872, "startTime": 578466.057277, "transferSize": 10139, "url": "https://bau.com/css/std.css" } } }, "request": { "endTime": 578466.041448, "responseReceivedTime": 578466.041441, "startTime": 578465.866052, "transferSize": 21067, "url": "https://bau.com/text/120301_iso-2.php" } } }, "longestChain": { "duration": 232.671000123024, "length": 2, "transferSize": 10139 }, "type": "criticalrequestchain" }, "guidanceLevel": 1 }, "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": { "headings": [ { "key": "description", "label": "Description", "subItemsHeading": { "key": "description" }, "valueType": "text" }, { "key": "directive", "label": "Directive", "subItemsHeading": { "key": "directive" }, "valueType": "code" }, { "key": "severity", "label": "Severity", "subItemsHeading": { "key": "severity" }, "valueType": "text" } ], "items": [ { "description": "No CSP found in enforcement mode", "severity": "High" } ], "type": "table" } }, "cumulative-layout-shift": { "id": "cumulative-layout-shift", "title": "Cumulative Layout Shift", "description": "Cumulative Layout Shift measures the movement of visible elements within the viewport. [Learn more about the Cumulative Layout Shift metric](https://web.dev/articles/cls).", "score": 1, "scoreDisplayMode": "numeric", "displayValue": "0", "details": { "items": [ { "cumulativeLayoutShiftMainFrame": 0, "newEngineResult": { "cumulativeLayoutShift": 0, "cumulativeLayoutShiftMainFrame": 0 }, "newEngineResultDiffered": false } ], "type": "debugdata" }, "numericValue": 0, "numericUnit": "unitless", "scoringOptions": { "p10": 0.1, "median": 0.25 } }, "custom-controls-labels": { "id": "custom-controls-labels", "title": "Custom controls have associated labels", "description": "Custom interactive controls have associated labels, provided by aria-label or aria-labelledby. [Learn more about custom controls and labels](https://developer.chrome.com/docs/lighthouse/accessibility/custom-controls-labels/).", "score": null, "scoreDisplayMode": "manual" }, "custom-controls-roles": { "id": "custom-controls-roles", "title": "Custom controls have ARIA roles", "description": "Custom interactive controls have appropriate ARIA roles. [Learn how to add roles to custom controls](https://developer.chrome.com/docs/lighthouse/accessibility/custom-control-roles/).", "score": null, "scoreDisplayMode": "manual" }, "definition-list": { "id": "definition-list", "title": "`

` and `: ` groups, `