Site Health Report Card

zoom.us

  • Zoom
  • Productivity · Meetings
  • Online since 2011
  • Checked Sep 30, 2026

“You are on mute. The page is not.”

Pica's take. Zoom's website loads promptly and asks you to join a meeting, which is fair. Security is decent, the guest list is moderate, and it runs its own network. Nothing here needs a follow-up call.

A93 / 100

Overall health

#37 of 100 sites graded

  • Largest paint

    2.6s

  • Page weight

    3.9 MB

  • Requests

    120

  • Third-party scripts

    19

  • Domain age

    15 yrs

  • Blocklists

    0 / 60

Timed by our own browser

Site Speed

B
86

Solid, with a quibble or two.

Largest paint (LCP)
2.6s
First paint (FCP)
1.2s
Server response (TTFB)
270 ms
Layout shift (CLS)
0.05
Page weight
3.9 MB
Requests
120

Pica: Four megabytes. Could have been an email.

Run the Speed Test on zoom.us

A look from the outside

Security Check

A-
91

In excellent shape.

HTTPS everywhere
Yes
HSTS
Preloaded
TLS
1.3
Content Security Policy
Partial
Mixed content
None
Third-party scripts
19

Pica: Nineteen outside scripts. Waiting room recommended.

Run the Hack Check on zoom.us

What the internet says about it

Reputation Check

A
95

In excellent shape.

Domain age
15 years
Blocklists
0 of 60
Malware reports
None
Email authentication
DMARC reject
Certificate
Valid · 70 days
Lookalike domains
Plenty

Pica: Fifteen years old. Everyone learned its name in 2020.

Run the Tracker Check on zoom.us

Is it in a good neighborhood?

Hosting Check

A+
100

In excellent shape.

Network
Zoom · AS30103
Content delivery
Own edge + AWS
IPv6
Yes
HTTP/3
Yes
Shared-IP neighbors
Zoom properties
Flagged neighbors
0

Pica: Own network, some AWS. Camera on.

Run the TTFB Check on zoom.us

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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.