What powers discuss.systems?

Last seen Sep 2026 · 6 technologies across 5 categories

JavaScript libraries

core-js v3.50.0
since Jan 2023

Message boards

Mastodon
since Jan 2023

Miscellaneous

Open Graph
since Jan 2023
PWA
since Jan 2023

PaaS

Azure
since Jan 2023

Security

HSTS
since Jan 2023

AI Crawlers

Blocks 4 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Google-Extended Blocked
  • GoogleOther Blocked
  • GPTBot Blocked

The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 applebot-extended added to robots.txt
  • Sep 2026 google-extended added to robots.txt
  • Sep 2026 googleother added to robots.txt

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
bell laboratories #93 47
irene zhang mastodon #1 43
yaron minsky #6 13
dan ports #4 6
panda aurojit #8 3
adrian sampson #14 3
usenix association #16 3
uw systems lab #6 2
acm imc 2024 #6 1
ryan marcus upenn #7 1
alexa vanhattum #8 1
aurojit panda #10 1
akshay narayan #12 1
vijay chidambaram #12 1
jt2 #16 1
loris d antoni #17 1
natacha crooks #48 1
magnetic tape nearby #50 1
papyrus room #56 1
old tape #61 1
how to get more computer storage #84 1
find the computer room #95 1
yaron minsky net worth #9 0
love this animals shimp #10 0
oliver kennedy ub #10 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

4 of 33 AI crawlers blocked

Full breakdown

Audience

  • 59% phone
  • 41% desktop
  • United States

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

5.90 / 10 · ranked #116,936 of all domains

235 referring domains · OpenPageRank

Search traffic

130 est. monthly organic visits (US)

76 keywords in Google's top 30

Core Web Vitals

LCP2.2 s
CLS0.05
TTFB700 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • Weight: 1.8 MB · 205 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Registered Nov 2022 (3 years) via Porkbun LLC, renews Nov 2027
  • Hosted on Microsoft (20.83.140.166, IPv6)
  • DNS: Azure DNS
  • Email: no MX record returned
  • Email security: SPF (hard fail), DMARC reject
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 1,185,857, 2 hosts
  • Verified with: Google

DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018