freeswitch.org
FreeSWITCH & Open Source | SignalWire
Last scanned Jul 26, 2026, 12:49 PM
Overall score
Excellent
Summary
Real-time communication & programmable unified communications. This website uses Nginx hosted on Google Cloud. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Multiple H1 headings found.
Signalwire
Real-time communication & programmable unified communications. SignalWire - Connect, Engage, Innovate. Trusted by thousands. Get started today.
- United States
- Hosted on Google Cloud
Top issues to fix
3 issues found
TLS certificate expires in 19 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
1 issue(s) found
Performance
2.70 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Signalwire
Real-time communication & programmable unified communications. SignalWire - Connect, Engage, Innovate. Trusted by thousands. Get started today.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- FreeSWITCH & Open Source | SignalWire
- Description
- FreeSWITCH is the open-source communication framework powering some of the world's largest telephony infrastructures, maintained by SignalWire.
- Canonical
- https://www.signalwire.com/developers/freeswitch
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Google Cloud
- CDN provider
- —
- IP address
- 34.172.68.73
- ASN
- AS396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- signalwire.com
- Valid from
- May 19, 2026
- Valid to
- Aug 17, 2026
- Days until expiry
- 19
- SAN domains
- *.core.zone.signalwire.com, *.core.zone.swire.io, *.dapp.signalwire.com, *.dapp.swire.io, *.fabric.signalwire.com, *.fabric.swire.io, *.puc.signalwire.com, *.puc.swire.io, *.relay.signalwire.com, *.relay.swire.io, *.signalwire.blog, *.signalwire.cloud, *.signalwire.com, *.signalwire.community, *.sip.signalwire.com, *.swire.io, *.us1.zone.signalwire.com, *.us1.zone.swire.io, core.zone.signalwire.com, core.zone.swire.io, signalwire.ai, signalwire.blog, signalwire.com, signalwire.community, swire.io, us1.zone.signalwire.com, us1.zone.swire.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 11 · H3 12
Links
28 internal · 11 external · 1 broken
Images
7 total · 0 missing alt
Scripts / Styles
13 scripts · 0 stylesheets
JS / CSS size
351 KB · 185 KB
Page size
584 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 364
SEO issues
- Multiple H1 headings found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://freeswitch.org
- Final URL
- https://signalwire.com/developers/freeswitch
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.69 s
- HTML size
- 584 KB
- Redirect chain
- https://freeswitch.org → https://freeswitch.com/ → https://signalwire.com/freeswitch → https://signalwire.com/developers/freeswitch
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Frequently asked questions
- What technology does freeswitch.org use?
- freeswitch.org is built with Nginx.
- Is freeswitch.org secure (HTTPS)?
- Yes. freeswitch.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 17, 2026.
- Who hosts freeswitch.org?
- freeswitch.org is hosted on Google Cloud.
- What is freeswitch.org's SEO score?
- freeswitch.org scored 95/100 for SEO in the latest analysis (excellent).
- What is freeswitch.org's overall website score?
- freeswitch.org has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- What company operates freeswitch.org?
- freeswitch.org is operated by Signalwire. Real-time communication & programmable unified communications. SignalWire - Connect, Engage, Innovate. Trusted by thousands. Get started today.
OpenGraph & Twitter Card
OpenGraph
Twitter Card