What powers speex.org?

Last seen Aug 2026 · 2 technologies across 2 categories

Security

HSTS
since Oct 2022

Web servers

Nginx
since Nov 2021

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Sep 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
speex #2 73
speex #4 30
speexdsp #2 11
speex #8 9
speexdsp #8 1
speex #32 1
free codecs #13 1
codec vst #30 0
voice codecs #23 0
what is a jitter buffer #88 0
speexdsp #38 0
spx file format #89 0
open codecs #13 0
dsp free #26 0
free-codecs #7 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

No robots.txt, all AI crawlers allowed

Full breakdown

Open Page Rank

6.86 / 10 · ranked #52,800 of all domains

244 referring domains · OpenPageRank

Search traffic

130 est. monthly organic visits (US)

15 keywords in Google's top 30

Page

  • Weight: 0.0 MB · 8 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on LINK-OREGON (140.211.167.215, IPv6)
  • DNS: xiph.org
  • Email: xiph.org
  • Email security: no SPF record, no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Oct 2026
  • Common Crawl link graph: rank 48,146, 3 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
speex.org 2
www.speex.org 2

Full technology history →
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