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sifeiliu.net

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First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 4320 ms crawled 2026-05-16

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Sifei Liu
Description
I am a Principal Research Scientist and Tech Lead at NVIDIA Research, where I work with the LPR team led by Jan Kautz. My current research focuses on embodied foundational models, efficient transformer architectures, and spatial reasoning.I am deeply involved in VLM and VLA foundation model efforts across Cosmos and Isaac GR00T.Before joining NVIDIA, I earned my Ph.D. at the VLLAB at UC Merced, advised by Ming-Hsuan Yang. I have been fortunate to receive the Baidu Graduate Fellowship, the NVIDIA Pioneering Research Award, and the Rising Star EECS recognition.
Language
en-US

Open Graph

url
https://sifeiliu.net
title
Sifei Liu
description
I am a Principal Research Scientist and Tech Lead at NVIDIA Research, where I work with the LPR team led by Jan Kautz. My current research focuses on embodied foundational models, efficient transformer architectures, and spatial reasoning.I am deeply involved in VLM and VLA foundation model efforts across Cosmos and Isaac GR00T.Before joining NVIDIA, I earned my Ph.D. at the VLLAB at UC Merced, advised by Ming-Hsuan Yang. I have been fortunate to receive the Baidu Graduate Fellowship, the NVIDIA Pioneering Research Award, and the Rising Star EECS recognition.

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • ajax.googleapis.com×1
  • cdn.jsdelivr.net×1
  • fonts.googleapis.com×1

Social

Registration

Registrar
Network Solutions, LLC
Created
2016-08-05
Expires
2026-08-05 76 days left
Updated
2024-07-26
Name servers
  • ns2.wixdns.net
  • ns3.wixdns.net

DNS records live

NS
  • ns2.wixdns.net
  • ns3.wixdns.net

Email authentication no MX

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

Certificate (current)

R12
from 2026-04-25 to 2026-07-24
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sifeiliu.net/

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

Links to (23)

Linked from (1)