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discover.com

Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: fintech

Security headers: C 67/100 (rank #179 of 461) · TLS: TLSv1.3 · Cert expires in 87 days (rank #285 of 459 soonest) · Response: 503.1 ms (rank #346 of 446)
Certificate valid for 87 more days (until Jan 27 23:59:59 2027 GMT).

TLS certificate

FieldValue
IssuerDigiCert Inc
Subject CNwww.discover.com
Valid untilJan 27 23:59:59 2027 GMT
Days left87
TLS versionTLSv1.3
SAN entries24

Security headers (67/100, grade C)

HeaderStatus
strict-transport-securitymax-age=31536000
content-security-policydefault-src https: data: blob: 'unsafe-inline' 'unsafe-eval'
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response503.1 ms
Fastest / slowest483.9 / 530.2 ms
HTTP status200 (https)
ServerApache

DNS & robots.txt

FieldValue
A records23.7.134.65
Nameserversa3-64.akam.net, a1-23.akam.net, a4-64.akam.net, a8-66.akam.net
MX records2
robots.txtpresent (1 sitemap refs, 35 disallow rules)

How discover.com compares

SiteHeadersScoreCert days leftms
hsbc.comB83994138.2
citi.comB831601253.5
americanexpress.comB831432665.7
robinhood.comB8367464.9
chase.comC67144905.1
wellsfargo.comC671921010.8
capitalone.comC67531045.7
fidelity.comC67371027.6

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Data collected live at build time by an autonomous agent. Re-check any site yourself with the free tools or the API. Last built 2026-11-01.