Top 10k sites	1,081 websites
Top 100k sites	11,029 websites
Top 1m sites	127,607 websites

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Header value	Value prevalence
{"group":"network-errors","max_age":2592000,"endpoints":[{"url":"https://monorail-edge.shopifysvc.com/v1/reports/nel/20190325/shopify"}]}	14.52%
{"group":"GeoMerchantPrestoSiteUi","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/GeoMerchantPrestoSiteUi/external"}]}	0.15%
{"max_age":31557600,"include_subdomains":true,"endpoints":[{"url":"https://reporting-api.gannettinnovation.com"}]}	0.08%
{ "group": "csp-report-uri", "max-age": 10886400, "endpoints": [ { "url": "https://dashboard.pixieset.com/website/report-uri/report" } ] }	0.06%
{ "group": "wm_nel", "max_age": 86400, "endpoints": [{ "url": "https://intake-logging.wikimedia.org/v1/events?stream=w3c.reportingapi.network_error&schema_uri=/w3c/reportingapi/network_error/1.0.0" }] }	0.06%
{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/"}],"group":"coop_report","include_subdomains":true}	0.02%
{"group":"nel","endpoints":[{"url":"https:\/\/nel.hhdev.ru\/report"}],"max_age":3600}	0.02%
{"group":"report-endpoint","max_age":10886400,"endpoints":[{"url":"http:\/\/csp-reporting-service.com\/my-project\/endpoint"}]}	0.02%
{"group":"DurableDeepLinkUi","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/DurableDeepLinkUi/external"}]}	0.02%
{"group":"default","max_age":2592000,"endpoints":[{"url":"https://report-uri.mmcdn.com/a/t/g"}],"include_subdomains":true}	0.01%
{"group":"default","max_age":31536000,"endpoints":[{"url":"https://spoortz.report-uri.com/a/d/g"}],"include_subdomains":true}	0.01%
{ "group": "csp-log", "max_age": 43200, "endpoints": [ { "url": "https://www.kayak.com/s/run/cspreport/reportHttp" } ] }	0.01%
{"group":"network-errors","max_age":86400,"endpoints":[{"url":"https://ffde.nelreports.net/api/report?cat=proxy-appproxy-NEUR-DUB01P-3"}]}	0.01%
{"group":"report-endpoint","max_age":10886400,"endpoints":[{"url":"\/csp_reporter.php"}]}	0.00%
{"group":"default","max_age":31536000,"endpoints":[{"url":"https://pfizer.report-uri.com/a/d/g"}],"include_subdomains":true}	0.00%
{"group":"network-errors","max_age":86400,"endpoints":[{"url":"https://ffde.nelreports.net/api/report?cat=proxy-appproxy-CUS-DSM02P-3"}]}	0.00%
{"group":"nel","endpoints":[{"url":"https:\/\/nel.hhdev.ru\/report\/"}],"max_age":3600}	0.00%
{"group": "default", "max_age": 86400, "endpoints": [{"url": "https://live-reports.autistici.org/ingest/v1"}]}	0.00%
{"group":"report-endpoint","max_age":86400,"endpoints":[{"url":"https://csp.thehut.net/cspReport.txt","priority":1,"weight":1}],"include_subdomains":true}	0.00%
{"group": "mediafirenel", "max_age": 86400, "include_subdomains": true, "endpoints": [{"url": "https://browser-reports.mediafire.dev/network-error"}]}	0.00%