Index · Cert expiry · Fastest sites · Free tools · API

mercury.com

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

Security headers: C 50/100 (rank #256 of 461) · TLS: TLSv1.3 · Cert expires in 43 days (rank #68 of 459 soonest) · Response: 98.6 ms (rank #118 of 446)
Certificate valid for 43 more days (until Dec 14 22:20:22 2026 GMT).

TLS certificate

FieldValue
IssuerLet's Encrypt
Subject CNmercury.com
Valid untilDec 14 22:20:22 2026 GMT
Days left43
TLS versionTLSv1.3
SAN entries1

Security headers (50/100, grade C)

HeaderStatus
strict-transport-securitymax-age=63072000
content-security-policyframe-ancestors 'self' https://plugins-cdn.datocms.com https://fem-platform.admin.datocms.
x-frame-optionsSAMEORIGIN
x-content-type-optionsmissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response98.6 ms
Fastest / slowest90.5 / 104.4 ms
HTTP status200 (https)
ServerVercel

DNS & robots.txt

FieldValue
A records64.239.123.65, 64.239.109.65
Nameserversanita.ns.cloudflare.com, matias.ns.cloudflare.com
MX records5
robots.txtpresent (4 sitemap refs, 4 disallow rules)

How mercury.com compares

SiteHeadersScoreCert days leftms
stripe.comB83189123.0
revolut.comB8342131.5
adyen.comB8368153.3
lemonsqueezy.comB8360150.6
paddle.comB8369106.2
ko-fi.comB838436.7
paypal.comC67160214.5
square.comC6756244.0

Embed this badge

Show your grade in your README (free, auto-updates):

[![security](https://pseo.rovy.tech/api/v1/badge?url=https://mercury.com)](https://pseo.rovy.tech/sites/mercury-com.html)

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.