withzichen.com

Hi there! | Zichen

Welcome to my website. I write about math, tech, and occasionally silly rants here.

Built with

No platform, CMS or framework detected. Detection is passive: it only sees what a site exposes in its HTML, headers and cookies, so custom or well-hidden stacks show up as nothing rather than as a guess.

Also detected

Infrastructure

Nginx

Overview

Status

alive

Registered

2025-05-25 (16 months ago)

First seen here

2026-09-22

Hosting

Comcast Cable Communications, LLC · AS7922 · United States

Server header

nginx

Response time

499 ms to first byte, measured from our crawler

TLS certificate

Let's Encrypt · TLSv1.3 · expires 2026-11-28

Mobile-ready

yes (viewport meta tag)

Linked to from

5 other sites seen so far

Loads scripts from

Third-party domains this page pulls JavaScript or iframes from.

Generated automatically from passive, publicly observable data. Think something here is wrong or want this profile removed? See /bot. Machine-readable: JSON.