indexo.dev

francissu.com

.com crawl

First seen 2026-05-10 · Last seen 2026-05-16 · ok HTTP/1.1 200 2686 ms crawled 2026-05-16

US · 185.230.63.171 · AS58182 Wix.com Ltd.

Reputation 100/100

Classifying

HTML metadata

Title
Francis Su: author, mathematical explorer
Description
The official public-facing webpage of Francis Su, mathematician and author of Mathematics for Human Flourishing.
Language
en
Generator
Wix.com Website Builder
Canonical
https://www.francissu.com
Feeds

Open Graph

url
https://www.francissu.com
title
Francis Su: author, mathematical explorer
site name
Francis Su
description
The official public-facing webpage of Francis Su, mathematician and author of Mathematics for Human Flourishing.

Technology

Server
Pepyaka
CMS
Wix

Third-party hosts loaded (4)

  • static.wixstatic.com×26
  • static.parastorage.com×10
  • siteassets.parastorage.com×4
  • browser.sentry-cdn.com×1

Social

Registration

Registrar
Wix.com Ltd.
Created
2019-07-15
Expires
2028-07-15 788 days left
Updated
2025-06-15
Name servers
  • ns8.wixdns.net
  • ns9.wixdns.net

DNS records live

NS
  • ns8.wixdns.net
  • ns9.wixdns.net

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-06 to 2026-08-04
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.francissu.com/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31556952

Links to (10)

Linked from (1)