tuner-online.com
Online Guitar Tuner with Microphone, Free Guitar Tuning
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Excellent
Summary
Tune your guitar online with a microphone! The guitar tuner will determine the frequency of the sound and help you to correctly adjust each string. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100).
Tune your guitar online with a microphone! The guitar tuner will determine the frequency of the sound and help you to correctly adjust each string.
- United States
- Hosted on Cloudflare
Top issues to fix
4 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
SEO
0 issue(s) found
Performance
371 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Tune your guitar online with a microphone! The guitar tuner will determine the frequency of the sound and help you to correctly adjust each string.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Online Guitar Tuner with Microphone, Free Guitar Tuning
- Description
- Tune your guitar online with a microphone! The guitar tuner will determine the frequency of the sound and help you to correctly adjust each string.
- Canonical
- https://tuner-online.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, user-scalable=yes
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.40.2
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- tuner-online.com
- Valid from
- Jul 3, 2026
- Valid to
- Oct 2, 2026
- Days until expiry
- 37
- SAN domains
- tuner-online.com, *.tuner-online.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 0
Links
21 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
9 scripts · 1 stylesheets
JS / CSS size
6.8 KB · 0 B
Page size
11.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- 212
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://tuner-online.com
- Final URL
- https://tuner-online.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 371 ms
- HTML size
- 11.1 KB
- Redirect chain
- https://tuner-online.com
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Frequently asked questions
- What technology does tuner-online.com use?
- tuner-online.com is built with jQuery, Google Analytics, Google Ads.
- Is tuner-online.com secure (HTTPS)?
- Yes. tuner-online.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 2, 2026.
- Who hosts tuner-online.com?
- tuner-online.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is tuner-online.com's SEO score?
- tuner-online.com scored 100/100 for SEO in the latest analysis (excellent).
- What is tuner-online.com's overall website score?
- tuner-online.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card