Kilotest: Diagnoses of link element invalid violation by HTML element 1377 on Prometheus page

Here is how tools diagnose the link element invalid issue for HTML element 1377 of the Prometheus page.

Basics

About the link element invalid issue
- Why it matters: Document fails to get a needed external resource
- Priority: highest
- Related WCAG standard: 1.3.1
About the Prometheus page
- URL: https://www.joinprometheus.org/
- Tested on 2026-04-07 at 19:19
About HTML element 1377
- Tag name: LINK
- Text: Employers & Educators … All rights reserved.
- Start tag: <link href="https://siteassets.parastorage.com/pages/pages/thunderbolt?appDefinitionIdToSiteRevision=%7B%22333b456e-dd48-4d6b-b32b-9fd48d74e163%22%3A%221118%22%2C%2214271d6f-ba62-d045-549b-ab972ae1f70e%22%3A%2225%22%2C%2214bcded7-0066-7c35-14d7-466cb3f09103%22%3A%221335%22%2C%2249a4ef91-9d6e-43ff-94de-88cb5481cdf5%22%3A%221684%22%2C%22b976560c-3122-4351-878f-453f337b7245%22%3A%221291%22%7D&appDefinitionIdsWithCustomCss=%5B%2249a4ef91-9d6e-43ff-94de-88cb5481cdf5%22%5D&beckyExperiments=.DatePickerPortal%2C.DisableDocumentScrollWhenLightBoxOpen%2C.EnableCustomCSSVarsForLoginSocialBar%2C.FreemiumBannerOdeditor%2C.LoginBarEnableLoggingInStateInSSR%2C.TextInputAutoFillFix%2C.UseLoginSocialBarCustomMenu%2C.UseNewLoginBarDropdownMenuAlignment%2C.UseNewLoginSocialBarCustomMenuPositioning%2C.UseNewLoginSocialBarElementStructure%2C.UseNewLoginSocialBarMemberInitialsAvatar%2C.WixFreeSiteBannerDesktop%2C.WixFreeSiteBannerMobile%2C.addIdAsClassName%2C.buttonUdp%2C.calculateCollapsibleTextLineHeightByFont%2C.disableBuilderWixComponents%2C.dom_store%2C.dontApplyDacOverridesOnBoBApps%2C.dynamicSlots%2C.fiveGridLineStudioSkins%2C.imageEncodingAVIF%2C.isClassNameToRootEnabled%2C.migrateRepeaterUiTypeMapper%2C.motionTimeAnimationsCSS%2C.overrideFloatInDistance%2C.shouldUseResponsiveImages%2C.svgResolver_2%2C.uiTypeNativeMappers%2C.updateRichTextSemanticClassNamesOnCorvid%2C.useClassnameInResponsiveAppWidget%2C.useImageAvifFormatInNativeProGallery%2C.useResponsiveImgClassicFixed%2C.useSvgLoaderFeature%2C.useSvgLoaderFeatureOnBuilderComps%2C.useWowImageInFastGallery&blocksBuilderManifestGeneratorVersion=1.129.0&contentType=application%2Fjson&deviceType=Desktop&dfCk=6&dfVersion=1.5326.0&disableStaticPagesUrlHierarchy=false&editorName=Unknown&experiments=dm_bgScrubToMotionFixer%2Cdm_masterPageVariablesQueryFixer%2Cdm_migrateOldHoverBoxToNewFixer&externalBaseUrl=https%3A%2F%2Fwww.joinprometheus.org&fileId=6ac295b9.bundle.min&formFactor=desktop&hasTPAWorkerOnSite=false&hasUserDomainMedia=false&isBuilderComponentModel=false&isHttps=true&isInSeo=false&isMultilingualEnabled=false&isPremiumDomain=true&isTrackClicksAnalyticsEnabled=false&isUrlMigrated=true&isWixCodeOnPage=false&isWixCodeOnSite=false&language=en&languageResolutionMethod=QueryParam&metaSiteId=37e73cec-b342-45ca-bae1-6c517cb9e95a&module=thunderbolt-features&originalLanguage=en&pageId=82767f_5ce51c3435e7321cdb31919bada9c6c3_1185.json&pilerExperiments=specs.piler.useEditorReactComponents&quickActionsMenuEnabled=false&registryLibrariesTopology=%5B%7B%22artifactId%22%3A%22editor-elements%22%2C%22namespace%22%3A%22wixui%22%2C%22url%22%3A%22https%3A%2F%2Fstatic.parastorage.com%2Fservices%2Feditor-elements%2F1.15034.0%22%7D%2C%7B%22artifactId%22%3A%22editor-elements%22%2C%22namespace%22%3A%22dsgnsys%22%2C%22url%22%3A%22https%3A%2F%2Fstatic.parastorage.com%2Fservices%2Feditor-elements%2F1.15034.0%22%7D%5D&remoteWidgetStructureBuilderVersion=1.251.0&siteId=3d6173e7-6efd-49d3-888e-52b17f486163&siteRevision=1185&staticHTMLComponentUrl=https%3A%2F%2Fwww-joinprometheus-org.filesusr.com%2F&useSandboxInHTMLComp=false&viewMode=desktop" id="features_masterPage" as="fetch" position="post-scripts" rel="preload" crossorigin="anonymous">
- XPath: /html/body/link[1]
- Bounding box: x = 0, y = 0, width = 0, height = 0

Diagnoses

Link elements can only be located in the head section of the document.
Tool: HTML CodeSniffer (Squiz Labs)

Rule: E-WCAG2AAA.Principle2.Guideline2_4.2_4_8.H59.1