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mumble.info

Mumble

Last scanned Aug 4, 2026, 2:00 AM · 12 views

88

Overall score

Great

Summary

Mumble is a free, open source, low latency, high quality voice chat application. This website uses Apache hosted on Fastly behind Fastly CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Missing canonical link.

Mumble is a free, open source, low latency, high quality voice chat application.

United States
Hosted on Fastly

Top issues to fix

6 issues found · 1 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • TLS certificate expires in 22 days

    Security

    Renew soon or enable auto-renewal to avoid a browser-warning outage.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

80

SEO

3 issue(s) found

90

Performance

1.24 s

85

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+1 overall since Jul 26, 2026

Overall
88
SEO
80
Security
85
Performance
90
Accessibility
100

Organization

Company details published in this site's own structured data.

Mumble is a free, open source, low latency, high quality voice chat application.

GitHubGitHub

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.mumble.info/contact/

Meta tags

Title
Mumble
Description
Mumble is a free, open source, low latency, high quality voice chat application.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width,initial-scale=1,shrink-to-fit=no
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Mumble
og:description
Mumble is a free, open source, low latency, high quality voice chat application.
og:type
website
og:url
—

Twitter Card

twitter:card
—
twitter:title
Mumble
twitter:description
Mumble is a free, open source, low latency, high quality voice chat application.

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.65.91
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.65.91
  • 151.101.1.91
  • 151.101.129.91
  • 151.101.193.91
AAAA
  • 2a04:4e42:200::347
  • 2a04:4e42:600::347
  • 2a04:4e42::347
  • 2a04:4e42:400::347
MX—
TXT—
NS—
CAA—
CNAME
  • dualstack.n.sni.global.fastly.net
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Certainly
Subject
*.mumble.info
Valid from
Jul 27, 2026
Valid to
Aug 26, 2026
Days until expiry
22
SAN domains
*.mumble.info, *.mumble.software

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 4 · H3 5

Links

15 internal · 4 external · 0 broken

Images

3 total · 0 missing alt

Scripts / Styles

1 scripts · 3 stylesheets

JS / CSS size

247 B · 22.1 KB

Page size

8.6 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
156

SEO issues

  • Missing canonical link
  • No structured data (JSON-LD) found
  • robots.txt not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://mumble.info
Final URL
https://www.mumble.info/
HTTP status
200
HTTP version
HTTP/2
Response time
1.24 s
HTML size
8.6 KB
Redirect chain
https://mumble.info → https://www.mumble.info/

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Frequently asked questions

What technology does mumble.info use?
mumble.info is built with Apache.
Is mumble.info secure (HTTPS)?
Yes. mumble.info uses TLS 1.3 with a certificate issued by Certainly, valid until Aug 26, 2026.
Who hosts mumble.info?
mumble.info is hosted on Fastly, behind Fastly CDN.
What is mumble.info's SEO score?
mumble.info scored 80/100 for SEO in the latest analysis (great).
What is mumble.info's overall website score?
mumble.info has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
Has mumble.info's score changed over time?
mumble.info's overall score has improved by 1 point (from 87 to 88) since Jul 26, 2026.