jian-tang.com

.com crawl

First seen 2026-04-18 · Last seen 2026-05-12 · ok HTTP/1.1 200 2941 ms crawled 2026-05-12

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

sector other type homepage

HTML metadata

Title

Jian Tang’s Homepage

Language

Canonical

https://tangjianpku.github.io/

Feeds

Jian Tang's Homepage Feed Atom

Open Graph

url: https://tangjianpku.github.io/
title: Jian Tang’s Homepage
locale: en-US
site name: Jian Tang's Homepage
description: About me

Technology

CDN: Fastly
Server: GitHub.com

Third-party hosts loaded (3)

tangjianpku.github.io×21
cdn.clustrmaps.com×2
cdnjs.cloudflare.com×1

Social

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2018-05-21

Expires

2028-05-21 731 days left

Updated

2025-04-21

Name servers

dns15.hichina.com
dns16.hichina.com

DNS records live

NS

dns15.hichina.com
dns16.hichina.com

Email authentication no MX

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

Certificate (current)

R13

from 2026-05-01 to 2026-07-30

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jian-tang.com/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy