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[Learn more about access keys](https://dequeuniversity.com/rules/axe/4.7/accesskeys).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-allowed-attr": { "id": "aria-allowed-attr", "title": "`[aria-*]` attributes match their roles", "description": "Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. [Learn how to match ARIA attributes to their roles](https://dequeuniversity.com/rules/axe/4.7/aria-allowed-attr).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-command-name": { "id": "aria-command-name", "title": "`button`, `link`, and `menuitem` elements have accessible names", "description": "When an 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 how to make command elements more accessible](https://dequeuniversity.com/rules/axe/4.7/aria-command-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-hidden-body": { "id": "aria-hidden-body", "title": "`[aria-hidden=\"true\"]` is not present on the document ``", "description": "Assistive technologies, like screen readers, work inconsistently when `aria-hidden=\"true\"` is set on the document ``. [Learn how `aria-hidden` affects the document body](https://dequeuniversity.com/rules/axe/4.7/aria-hidden-body).", "score": 1, "scoreDisplayMode": "binary", "details": { "headings": [], "items": [], "type": "table" } }, "aria-hidden-focus": { "id": "aria-hidden-focus", "title": "`[aria-hidden=\"true\"]` elements do not contain focusable descendents", "description": "Focusable descendents within an `[aria-hidden=\"true\"]` element prevent those interactive elements from being available to users of assistive technologies like screen readers. [Learn how `aria-hidden` affects focusable elements](https://dequeuniversity.com/rules/axe/4.7/aria-hidden-focus).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-input-field-name": { "id": "aria-input-field-name", "title": "ARIA input fields have accessible names", "description": "When an input field 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 input field labels](https://dequeuniversity.com/rules/axe/4.7/aria-input-field-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-meter-name": { "id": "aria-meter-name", "title": "ARIA `meter` elements have accessible names", "description": "When a meter 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 how to name `meter` elements](https://dequeuniversity.com/rules/axe/4.7/aria-meter-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-progressbar-name": { "id": "aria-progressbar-name", "title": "ARIA `progressbar` elements have accessible names", "description": "When a `progressbar` 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 how to label `progressbar` elements](https://dequeuniversity.com/rules/axe/4.7/aria-progressbar-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-required-attr": { "id": "aria-required-attr", "title": "`[role]`s have all required `[aria-*]` attributes", "description": "Some ARIA roles have required attributes that describe the state of the element to screen readers. [Learn more about roles and required attributes](https://dequeuniversity.com/rules/axe/4.7/aria-required-attr).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-required-children": { "id": "aria-required-children", "title": "Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.", "description": "Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. [Learn more about roles and required children elements](https://dequeuniversity.com/rules/axe/4.7/aria-required-children).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-required-parent": { "id": "aria-required-parent", "title": "`[role]`s are contained by their required parent element", "description": "Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. [Learn more about ARIA roles and required parent element](https://dequeuniversity.com/rules/axe/4.7/aria-required-parent).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-roles": { "id": "aria-roles", "title": "`[role]` values are valid", "description": "ARIA roles must have valid values in order to perform their intended accessibility functions. [Learn more about valid ARIA roles](https://dequeuniversity.com/rules/axe/4.7/aria-roles).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-toggle-field-name": { "id": "aria-toggle-field-name", "title": "ARIA toggle fields have accessible names", "description": "When a toggle field 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 toggle fields](https://dequeuniversity.com/rules/axe/4.7/aria-toggle-field-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "aria-tooltip-name": { "id": "aria-tooltip-name", "title": "ARIA `tooltip` elements have accessible names", "description": "When a tooltip 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 how to name `tooltip` elements](https://dequeuniversity.com/rules/axe/4.7/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/4.7/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/4.7/aria-valid-attr).", "score": null, "scoreDisplayMode": "notApplicable" }, "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/4.7/aria-valid-attr-value).", "score": null, "scoreDisplayMode": "notApplicable" }, "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": "numeric", "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": 2.349999999999999, "scripting": 7.202, "total": 137.90200000000002, "url": "https://demo.nexusphp.org/login.php" } ], "sortedBy": [ "total" ], "summary": { "wastedMs": 9.552 }, "type": "table" }, "numericValue": 9.552, "numericUnit": "millisecond" }, "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/4.7/button-name).", "score": null, "scoreDisplayMode": "notApplicable" }, "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/4.7/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": null, "scoreDisplayMode": "notApplicable" }, "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/4.7/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. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. [Learn how to make links crawlable](https://support.google.com/webmasters/answer/9112205)", "score": 1, "scoreDisplayMode": "binary", "details": { "headings": [], "items": [], "type": "table" } }, "critical-request-chains": { "id": "critical-request-chains", "title": "Avoid chaining critical requests", "description": "The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. [Learn how to avoid chaining critical requests](https://developer.chrome.com/docs/lighthouse/performance/critical-request-chains/).", "score": null, "scoreDisplayMode": "informative", "displayValue": "18 chains found", "details": { "chains": { "71430A5A0BB88E141ED52085F6DA8CE9": { "children": { "41.10": { "request": { "endTime": 570551.801627, "responseReceivedTime": 570551.801625, "startTime": 570551.705394, "transferSize": 1342, "url": "https://demo.nexusphp.org/js/ajaxbasic.js" } }, "41.11": { "request": { "endTime": 570551.797465, "responseReceivedTime": 570551.797462, "startTime": 570551.705668, "transferSize": 3620, "url": "https://demo.nexusphp.org/js/common.js" } }, "41.12": { "request": { "endTime": 570551.815671, "responseReceivedTime": 570551.815666, "startTime": 570551.70589, "transferSize": 5796, "url": "https://demo.nexusphp.org/js/domLib.js" } }, "41.13": { "request": { "endTime": 570551.83316, "responseReceivedTime": 570551.8331539999, "startTime": 570551.70606, "transferSize": 9427, "url": "https://demo.nexusphp.org/js/domTT.js" } }, "41.14": { "request": { "endTime": 570551.82242, "responseReceivedTime": 570551.822417, "startTime": 570551.706208, "transferSize": 1710, "url": "https://demo.nexusphp.org/js/domTT_drag.js" } }, "41.15": { "request": { "endTime": 570551.79493, "responseReceivedTime": 570551.7949249999, "startTime": 570551.706376, "transferSize": 1905, "url": "https://demo.nexusphp.org/js/fadomatic.js" } }, "41.16": { "request": { "endTime": 570551.858428, "responseReceivedTime": 570551.858422, "startTime": 570551.706596, "transferSize": 35507, "url": "https://demo.nexusphp.org/js/jquery-1.12.4.min.js" } }, "41.17": { "children": { "41.54": { "request": { "endTime": 570552.110423, "responseReceivedTime": 570552.1104199999, "startTime": 570551.987949, "transferSize": 3502, "url": "https://demo.nexusphp.org/vendor/layer-v3.5.1/layer/theme/default/layer.css?v=3.5.1" } } }, "request": { "endTime": 570551.983195, "responseReceivedTime": 570551.9831899999, "startTime": 570551.706806, "transferSize": 8713, "url": "https://demo.nexusphp.org/vendor/layer-v3.5.1/layer/layer.js" } }, "41.2": { "request": { "endTime": 570551.912676, "responseReceivedTime": 570551.9126709999, "startTime": 570551.703195, "transferSize": 950, "url": "https://demo.nexusphp.org/styles/mediumfont.css" } }, "41.3": { "request": { "endTime": 570551.812902, "responseReceivedTime": 570551.8128970001, "startTime": 570551.703521, "transferSize": 1703, "url": "https://demo.nexusphp.org/styles/sprites.css" } }, "41.36": { "request": { "endTime": 570551.971069, "responseReceivedTime": 570551.971065, "startTime": 570551.913947, "transferSize": 2432, "url": "https://demo.nexusphp.org/js/nexus.js" } }, "41.37": { "request": { "endTime": 570552.042071, "responseReceivedTime": 570552.0420659999, "startTime": 570551.97265, "transferSize": 1950, "url": "https://demo.nexusphp.org/vendor/jquery-goup-1.1.3/jquery.goup.min.js" } }, "41.4": { "request": { "endTime": 570551.79645, "responseReceivedTime": 570551.7964450001, "startTime": 570551.703784, "transferSize": 851, "url": "https://demo.nexusphp.org/pic/forum_pic/en/forumsprites.css" } }, "41.5": { "request": { "endTime": 570551.82165, "responseReceivedTime": 570551.821645, "startTime": 570551.7040879999, "transferSize": 3162, "url": "https://demo.nexusphp.org/styles/BlasphemyOrange/theme.css" } }, "41.6": { "request": { "endTime": 570551.791758, "responseReceivedTime": 570551.7917519999, "startTime": 570551.70448, "transferSize": 1121, "url": "https://demo.nexusphp.org/styles/BlasphemyOrange/DomTT.css" } }, "41.7": { "request": { "endTime": 570551.816441, "responseReceivedTime": 570551.8164380001, "startTime": 570551.704766, "transferSize": 872, "url": "https://demo.nexusphp.org/styles/curtain_imageresizer.css" } }, "41.8": { "request": { "endTime": 570551.801404, "responseReceivedTime": 570551.8014000001, "startTime": 570551.7049820002, "transferSize": 1299, "url": "https://demo.nexusphp.org/styles/nexus.css" } }, "41.9": { "request": { "endTime": 570551.798764, "responseReceivedTime": 570551.798761, "startTime": 570551.705199, "transferSize": 1509, "url": "https://demo.nexusphp.org/js/curtain_imageresizer.js" } } }, "request": { "endTime": 570551.694965, "responseReceivedTime": 570551.694957, "startTime": 570551.528875, "transferSize": 4282, "url": "https://demo.nexusphp.org/login.php" } } }, "longestChain": { "duration": 581.5479999780655, "length": 3, "transferSize": 3502 }, "type": "criticalrequestchain" } }, "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": null, "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/cls/).", "score": 1, "scoreDisplayMode": "numeric", "displayValue": "0.006", "details": { "items": [ { "cumulativeLayoutShiftMainFrame": 0.00624460157458483, "totalCumulativeLayoutShift": 0.006245933496045297 } ], "type": "debugdata" }, "numericValue": 0.00624460157458483, "numericUnit": "unitless" }, "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, `