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Pas de betreffende kleurcombinatie aan en controleer de leesbaarheid opnieuw.", "verification": "Herhaal dezelfde mobiele Google-meting na de wijziging en controleer de genoemde bestanden of elementen. Test ook de betrokken bediening. 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Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:9ba7ba31380e56eca4e2cb26b74b64dee5e9b1b86cc257d10917b3de207eebea", "kind": "element", "relation": "affected", "label": "Laten we samenwerken", "selector": "div.sc-jkvfRO > div.sc-dmnZre > div.sc-gGOevJ > div.sc-fuNSHy", "domPath": "1,HTML,1,BODY,3,MAIN,6,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.19 (foreground color: #00b4f1, background color: #f2f6f8, font size: 13.5pt (18px), font weight: normal). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:2c41fed8acfaa85e60443ae774ec19759eb98bcd234f8f23f33186ddf6a40d91", "kind": "element", "relation": "affected", "label": "Alles accepteren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#accept", "domPath": "1,HTML,1,BODY,47,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,0,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:60466e9be26ef000659beb97aa8995aea0b9069386499806854c4673ebdf6aa5", "kind": "element", "relation": "affected", "label": "Weigeren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#deny", "domPath": "1,HTML,1,BODY,47,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,1,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:feac25f749c248aacc12ba0d30c9715208c0a9ff542314741cc9e7203cf3bc3e", "kind": "element", "relation": "affected", "label": "Voorkeuren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#more", "domPath": "1,HTML,1,BODY,47,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,2,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:7031bb81a68582ed24424d9ec52ad1751c560742d9eb6483a0dcc158def0aca6", "kind": "element", "relation": "related", "label": "Power to Adapt\n\nAlfen werd in 1937 opgericht en produceert en integreert innova…", "selector": "body > main#main-content > section > div.sc-cHijrb", "domPath": "1,HTML,1,BODY,3,MAIN,1,SECTION,0,DIV", "explanation": "", "scope": "page_element", "values": {} }, { "key": "element:8ed63d0cb64bc69ea71cda5d6bd75d1e38b1e21328588d9d08247676ca40058a", "kind": "element", "relation": "related", "label": "Laten we samenwerken\nBezoek onze events\nVakbeurs Energie 2025\nAlle evenementen", "selector": "body > main#main-content > section#bezoek-onze-events > div.sc-giIJXf", "domPath": "1,HTML,1,BODY,3,MAIN,6,SECTION,0,DIV", "explanation": "", "scope": "page_element", "values": {} } ], "locationsTruncated": false, "estimatedMetricSavings": {}, "estimatedWastedBytes": null, "failedChecks": [] }, { "run": 2, "rawResponseSha256": "b6392a71636d67ed857c77daef6a1384b93649b38ab3917bb47a2d90cfd30da8", "analysisTimestamp": "2026-10-16T09:20:07.312Z", "score": 0, "locations": [ { "key": "element:1a666ea7f36cfcf34682945151cfcda8c8a5dd7c89c91ee54d4511172c64173f", "kind": "element", "relation": "affected", "label": "Power to Adapt", "selector": "div.sc-jkvfRO > div.sc-eoaQPq > div.sc-QIYgV > div.sc-cxBFFk", "domPath": "1,HTML,1,BODY,3,MAIN,1,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.19 (foreground color: #00b4f1, background color: #f2f6f8, font size: 13.5pt (18px), font weight: normal). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:9ba7ba31380e56eca4e2cb26b74b64dee5e9b1b86cc257d10917b3de207eebea", "kind": "element", "relation": "affected", "label": "Laten we samenwerken", "selector": "div.sc-jkvfRO > div.sc-dmnZre > div.sc-gGOevJ > div.sc-fuNSHy", "domPath": "1,HTML,1,BODY,3,MAIN,6,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.19 (foreground color: #00b4f1, background color: #f2f6f8, font size: 13.5pt (18px), font weight: normal). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:6a259a1aaefe0d2de67453dad834bdac5f671c8802e0a61634c98c20013168e7", "kind": "element", "relation": "affected", "label": "Alles accepteren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#accept", "domPath": "1,HTML,1,BODY,45,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,0,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:f0b6434bd9251748d9d30e480191e57c26aa3e8d02694a11ae288a3ae723ecd7", "kind": "element", "relation": "affected", "label": "Weigeren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#deny", "domPath": "1,HTML,1,BODY,45,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,1,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:7b4b41df8a302f14a3ec0b95ceb21df016bb70b0429e99160d78555c829a261b", "kind": "element", "relation": "affected", "label": "Voorkeuren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#more", "domPath": "1,HTML,1,BODY,45,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,2,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:7031bb81a68582ed24424d9ec52ad1751c560742d9eb6483a0dcc158def0aca6", "kind": "element", "relation": "related", "label": "Power to Adapt\n\nAlfen werd in 1937 opgericht en produceert en integreert innova…", "selector": "body > main#main-content > section > div.sc-cHijrb", "domPath": "1,HTML,1,BODY,3,MAIN,1,SECTION,0,DIV", "explanation": "", "scope": "page_element", "values": {} }, { "key": "element:8ed63d0cb64bc69ea71cda5d6bd75d1e38b1e21328588d9d08247676ca40058a", "kind": "element", "relation": "related", "label": "Laten we samenwerken\nBezoek onze events\nVakbeurs Energie 2025\nAlle evenementen", "selector": "body > main#main-content > section#bezoek-onze-events > div.sc-giIJXf", "domPath": "1,HTML,1,BODY,3,MAIN,6,SECTION,0,DIV", "explanation": "", "scope": "page_element", "values": {} } ], "locationsTruncated": false, "estimatedMetricSavings": {}, "estimatedWastedBytes": null, "failedChecks": [] }, { "run": 3, "rawResponseSha256": "0c62cdf7948ab2d39d216943961bf5711ec36970c426045e7e3ee8ba3050d546", "analysisTimestamp": "2026-10-16T09:34:03.905Z", "score": 0, "locations": [ { "key": "element:1a666ea7f36cfcf34682945151cfcda8c8a5dd7c89c91ee54d4511172c64173f", "kind": "element", "relation": "affected", "label": "Power to Adapt", "selector": "div.sc-jkvfRO > div.sc-eoaQPq > div.sc-QIYgV > div.sc-cxBFFk", "domPath": "1,HTML,1,BODY,3,MAIN,1,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.19 (foreground color: #00b4f1, background color: #f2f6f8, font size: 13.5pt (18px), font weight: normal). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:9ba7ba31380e56eca4e2cb26b74b64dee5e9b1b86cc257d10917b3de207eebea", "kind": "element", "relation": "affected", "label": "Laten we samenwerken", "selector": "div.sc-jkvfRO > div.sc-dmnZre > div.sc-gGOevJ > div.sc-fuNSHy", "domPath": "1,HTML,1,BODY,3,MAIN,6,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.19 (foreground color: #00b4f1, background color: #f2f6f8, font size: 13.5pt (18px), font weight: normal). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:a36d25c64894e99f8024b20d44e99c698a6b46a2144655c0f141612f5f21850d", "kind": "element", "relation": "affected", "label": "Alles accepteren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#accept", "domPath": "1,HTML,1,BODY,46,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,0,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:eaf132c920e4663ace749bb930f4f3d91cd55a7bd40c40f6350cf0094f312761", "kind": "element", "relation": "affected", "label": "Weigeren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#deny", "domPath": "1,HTML,1,BODY,46,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,1,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:38c29266c4e4b689022777ea607616d9fd9d880a6e144201c2bc58cba8de0e01", "kind": "element", "relation": "affected", "label": "Voorkeuren", "selector": "footer#uc-cmp-footer > div.buttons > div.buttons-row > button#more", "domPath": "1,HTML,1,BODY,46,ASIDE,a,#document-fragment,1,DIV,0,DIV,2,FOOTER,0,DIV,2,DIV,0,BUTTON", "explanation": "Fix any of the following:\n Element has insufficient color contrast of 2.09 (foreground color: #ffffff, background color: #b3b3b3, font size: 10.5pt (14px), font weight: bold). Expected contrast ratio of 4.5:1", "scope": "page_element", "values": {} }, { "key": "element:7031bb81a68582ed24424d9ec52ad1751c560742d9eb6483a0dcc158def0aca6", "kind": "element", "relation": "related", "label": "Power to Adapt\n\nAlfen werd in 1937 opgericht en produceert en integreert innova…", "selector": "body > main#main-content > section > div.sc-cHijrb", "domPath": "1,HTML,1,BODY,3,MAIN,1,SECTION,0,DIV", "explanation": "", "scope": "page_element", "values": {} }, { "key": "element:8ed63d0cb64bc69ea71cda5d6bd75d1e38b1e21328588d9d08247676ca40058a", "kind": "element", "relation": "related", "label": "Laten we samenwerken\nBezoek onze events\nVakbeurs Energie 2025\nAlle evenementen", "selector": "body > main#main-content > section#bezoek-onze-events > div.sc-giIJXf", "domPath": "1,HTML,1,BODY,3,MAIN,6,SECTION,0,DIV", "explanation": "", "scope": "page_element", "values": {} } ], "locationsTruncated": false, "estimatedMetricSavings": {}, "estimatedWastedBytes": null, "failedChecks": [] } ] }, { "id": "render-blocking-insight", "category": "performance", "kind": "performance_opportunity", "title": "Blokkerende bestanden aanpakken", "recommendation": "Controleer de genoemde CSS- en scriptbestanden. Beperk wat nodig is voor het eerste scherm en stel overige onderdelen waar mogelijk uit. Controleer ook of opmaak en bediening blijven werken.", "verification": "Herhaal dezelfde mobiele Google-meting na de wijziging en controleer de genoemde bestanden of elementen. Test ook de betrokken bediening. 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Pas het beleid voor eigen versiegebonden bestanden aan waar dit veilig is. Bespreek externe bestanden met de leverancier; verander geen cachebeleid voor persoonlijke inhoud.", "verification": "Herhaal dezelfde mobiele Google-meting na de wijziging en controleer de genoemde bestanden of elementen. Test ook de betrokken bediening. Vergelijk de gemeten waarden en hun spreiding; beloof geen vaste score- of omzetwinst.", "googleTitle": "Use efficient cache lifetimes", "priority": "investigate", "observedRuns": [2, 3], "measuredRuns": 3, "consistency": "variable", "concreteEvidence": true, "evidence": [ { "run": 2, "rawResponseSha256": "b6392a71636d67ed857c77daef6a1384b93649b38ab3917bb47a2d90cfd30da8", "analysisTimestamp": "2026-10-16T09:20:07.312Z", "score": 0, "locations": [ { "key": "resource:2ca8e093cf4fcf43097a26af47c5cc4555b8477d0a0b28374423f95f56c8c8a3", "kind": "resource", "relation": "affected", "label": "https://web.cmp.usercentrics.eu/ui/TvGdprCmpView.b17e54e8.js", "url": "https://web.cmp.usercentrics.eu/ui/TvGdprCmpView.b17e54e8.js", "urlSha256": "2ca8e093cf4fcf43097a26af47c5cc4555b8477d0a0b28374423f95f56c8c8a3", "queryHidden": false, "scope": "consent_interface", "values": { "wastedBytes": 25895.2, "totalBytes": 32369, "cacheLifetimeMs": 3600000 } }, { "key": "resource:c40ad9f2975632990fc94b42050ec748451c3f6050dbb59b4ec20301e0ee1599", "kind": "resource", "relation": "affected", "label": "https://web.cmp.usercentrics.eu/ui/loader.js", "url": "https://web.cmp.usercentrics.eu/ui/loader.js", "urlSha256": "c40ad9f2975632990fc94b42050ec748451c3f6050dbb59b4ec20301e0ee1599", "queryHidden": false, "scope": "consent_interface", "values": { "wastedBytes": 16779.2, "totalBytes": 20974, "cacheLifetimeMs": 3600000 } }, { "key": "resource:863a0b219209482142063fbeb74a685987b6cd7af3c89a6a3b8c511b53585a7e", "kind": "resource", "relation": "affected", "label": "https://app.usercentrics.eu/session/1px.png", "url": "https://app.usercentrics.eu/session/1px.png", "urlSha256": "863a0b219209482142063fbeb74a685987b6cd7af3c89a6a3b8c511b53585a7e", "queryHidden": true, "scope": "consent_interface", "values": { "wastedBytes": 1148.8500000000001, "totalBytes": 1332, "cacheLifetimeMs": 1800000 } } ], "locationsTruncated": false, "estimatedMetricSavings": { "FCP": 150, "LCP": 0 }, "estimatedWastedBytes": 43823.25, "failedChecks": [] }, { "run": 3, "rawResponseSha256": "0c62cdf7948ab2d39d216943961bf5711ec36970c426045e7e3ee8ba3050d546", "analysisTimestamp": "2026-10-16T09:34:03.905Z", "score": 0, "locations": [ { "key": "resource:2ca8e093cf4fcf43097a26af47c5cc4555b8477d0a0b28374423f95f56c8c8a3", "kind": "resource", "relation": "affected", "label": "https://web.cmp.usercentrics.eu/ui/TvGdprCmpView.b17e54e8.js", "url": "https://web.cmp.usercentrics.eu/ui/TvGdprCmpView.b17e54e8.js", "urlSha256": "2ca8e093cf4fcf43097a26af47c5cc4555b8477d0a0b28374423f95f56c8c8a3", "queryHidden": false, "scope": "consent_interface", "values": { "wastedBytes": 25901.600000000002, "totalBytes": 32377, "cacheLifetimeMs": 3600000 } }, { "key": "resource:c40ad9f2975632990fc94b42050ec748451c3f6050dbb59b4ec20301e0ee1599", "kind": "resource", "relation": "affected", "label": "https://web.cmp.usercentrics.eu/ui/loader.js", "url": "https://web.cmp.usercentrics.eu/ui/loader.js", "urlSha256": "c40ad9f2975632990fc94b42050ec748451c3f6050dbb59b4ec20301e0ee1599", "queryHidden": false, "scope": "consent_interface", "values": { "wastedBytes": 16777.600000000002, "totalBytes": 20972, "cacheLifetimeMs": 3600000 } }, { "key": "resource:863a0b219209482142063fbeb74a685987b6cd7af3c89a6a3b8c511b53585a7e", "kind": "resource", "relation": "affected", "label": "https://app.usercentrics.eu/session/1px.png", "url": "https://app.usercentrics.eu/session/1px.png", "urlSha256": "863a0b219209482142063fbeb74a685987b6cd7af3c89a6a3b8c511b53585a7e", "queryHidden": true, "scope": "consent_interface", "values": { "wastedBytes": 1154.025, "totalBytes": 1338, "cacheLifetimeMs": 1800000 } } ], "locationsTruncated": false, "estimatedMetricSavings": { "FCP": 0, "LCP": 150 }, "estimatedWastedBytes": 43833.225000000006, "failedChecks": [] } ] } ], "summary": { "persistent": 4, "variable": 1, "concrete": 5, "concretePersistentActions": 4, "firstChecks": ["color-contrast", "render-blocking-insight"] }, "fieldContext": { "source": "pagespeed_field_data", "scope": "url", "id": "https://alfen.com/nl-nl", "requestedStrategy": "mobile", "providerAnalysisTimestamp": "2026-10-16T09:07:41.996Z", "collectionPeriod": null, "lcpP75Ms": 1725, "inpP75Ms": 120, "clsP75": 0, "fcpP75Ms": 1400, "ttfbP75Ms": 869, "scoreInfluence": "none", "sourceRun": 1, "rawResponseSha256": "f94fa67132668363ad8b35a992e237d4ac73c82c9a804b69b54de95576254ecf" }, "fieldContextChanges": false, "limitations": [ "Eén mobiele pagina, geen volledige websitebeoordeling.", "Tijdwinst is een modelschatting per controle en meetwaarde. Schattingen overlappen en worden niet opgeteld.", "Een controle in drie runs betekent niet dat hetzelfde bestand of element telkens is gemeld; de vindplaatsen staan per run.", "De scope-aanduiding van cookie-interfaces herkent alleen bekende technische patronen en is geen privacyoordeel.", "LCP-deeltijden uit de trace worden niet gelijkgesteld aan de gesimuleerde LCP-waarde." ] }, "document": null, "publicationAllowed": false }