Site Health Report Card

claude.ai

  • Claude
  • AI · Assistant
  • Online since 2023
  • Checked Sep 30, 2026

“Thoughtful, fast, and slightly too polite.”

Pica's take. Claude's site is light, fast, and carefully locked, with a guest list you could count on one hand. Its only weak spot is youth: three years old, barely a toddler in domain years. It would like to add some nuance to this report card.

A+97 / 100

Overall health

#11 of 100 sites graded

  • Largest paint

    1.8s

  • Page weight

    2.3 MB

  • Requests

    60

  • Third-party scripts

    3

  • Domain age

    3 yrs

  • Blocklists

    0 / 60

Timed by our own browser

Site Speed

A
95

In excellent shape.

Largest paint (LCP)
1.8s
First paint (FCP)
0.8s
Server response (TTFB)
190 ms
Layout shift (CLS)
0.01
Page weight
2.3 MB
Requests
60

Pica: Two megabytes. It thought about it first, then loaded.

Run the Speed Test on claude.ai

A look from the outside

Security Check

A+
100

In excellent shape.

HTTPS everywhere
Yes
HSTS
Preloaded
TLS
1.3
Content Security Policy
Strict
Mixed content
None
Third-party scripts
3

Pica: Strict policy, three outside scripts. Very considerate locks.

Run the Hack Check on claude.ai

What the internet says about it

Reputation Check

A-
91

In excellent shape.

Domain age
3 years
Blocklists
0 of 60
Malware reports
None
Email authentication
DMARC reject
Certificate
Valid · 60 days
Lookalike domains
Plenty

Pica: Three years old. Well mannered for a toddler.

Run the Tracker Check on claude.ai

Is it in a good neighborhood?

Hosting Check

A+
100

In excellent shape.

Network
Cloudflare · AS13335
Content delivery
Cloudflare
IPv6
Yes
HTTP/3
Yes
Shared-IP neighbors
Shared edge, well kept
Flagged neighbors
0

Pica: On Cloudflare, a few doors down from ChatGPT. Awkward.

Run the TTFB Check on claude.ai

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How we grade. Four checks, weighted equally: speed timed by our own browser, a security look from the outside, public reputation signals, and the network the site lives on. A look from the outside is not a server audit.