What powers praat.org?

Last seen Oct 2026 · 3 technologies across 3 categories

Caching

Varnish
since Aug 2025

CDN

Fastly
since Aug 2025

PaaS

GitHub Pages
since Aug 2025

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.

  • robots.txt not found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
what is sampling frequency #4 47
cochleagram #2 6
praat #41 6
praat spectrogram #4 3
what is praat #34 0
sample rate frequency #18 0
sampling rate units #80 0
sampling rate frequency #35 0
sampling rate and frequency #31 0
sampling rate and frequency #29 0
speech analysis software praat #54 0
narrowband vs wideband spectrogram #92 0
praat tutorial #36 0
praat speech analysis software #48 0
praat spectrogram #54 0
praat software tutorial #54 0
praat software tutorial #44 0
praat script #58 0
how to use praat software #71 0
how to use praat #46 0
frequency sampling #11 0

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

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Audience

  • 87% desktop
  • 14% phone
  • India
  • Canada
  • United Kingdom
  • United States
  • Indonesia
  • South Korea

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

Open Page Rank

5.44 / 10 · ranked #166,460 of all domains

205 referring domains · OpenPageRank

Search traffic

62 est. monthly organic visits (US)

21 keywords in Google's top 30

Core Web Vitals

LCP0.7 s
INP25 ms
CLS0
TTFB400 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • CDN: Fastly
  • Weight: 0.3 MB · 5 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Registered Jan 2000 (26 years) via Network Solutions, LLC, renews Jan 2034
  • Hosted on Fastly (185.199.108.153)
  • DNS: Network Solutions
  • Email: no MX record returned
  • SSL: Let's Encrypt, RSA 2048, expires Jan 2027
  • Common Crawl link graph: rank 70,319, 2 hosts

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

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