Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 100.51.17.151 |
| Server Software | nginx/1.26.3 |
| Compression | gzip |
|
🔒 🟡 Mixed Content (9 HTTP resources) | The page is served over HTTPS but loads 9 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 100.51.17.151
Server Software nginx/1.26.3
Compression gzip
🔒 🟡 Mixed Content (9 HTTP resources) The page is served over HTTPS but loads 9 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://noteflight.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.noteflight.com/ | 200 | HTTP/2 200 |
#1 URL https://noteflight.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.noteflight.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 10.4 ms |
| TCP Connect | 92.8 ms |
| TLS Handshake | 168.7 ms |
| Time To First Byte (TTFB) | 470.1 ms |
| Content Download | 64.1 ms |
| Total Response Time | 534.1 ms |
DNS Lookup 10.4 ms
TCP Connect 92.8 ms
TLS Handshake 168.7 ms
Time To First Byte (TTFB) 470.1 ms
Content Download 64.1 ms
Total Response Time 534.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Noteflight - Online Music Notation Software |
| Meta Description | Noteflight is an online music writing application that lets you create, view, print and hear professional quality music notation right in your web browser. |
| Canonical | https://www.noteflight.com/ |
| Open Graph Title | Noteflight - Online Music Notation Software |
| Open Graph Description | Noteflight is an online music writing application that lets you create, view, print and hear professional quality music notation right in your web browser. |
| Open Graph Image | https://production-assets.noteflight.com/assets/images/fa... |
| Twitter Card | summary |
Title Noteflight - Online Music Notation Software Meta Description Noteflight is an online music writing application that lets you create, view, print and hear professional quality music notation right in your web browser. Canonical https://www.noteflight.com/ Open Graph Title Noteflight - Online Music Notation Software Open Graph Description Noteflight is an online music writing application that lets you create, view, print and hear professional quality music notation right in your web browser. Open Graph Image https://production-assets.noteflight.com/assets/images/fa... Twitter Card summary Detected Technologies
| Technology | Google Analytics Google Tag Manager Nginx |
Technology Google Analytics Google Tag Manager Nginx
HTTP Headers
| Date
| Wed, 22 Jul 2026 01:15:32 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| nginx/1.26.3 |
| X-frame-options
| SAMEORIGIN |
| X-xss-protection
| 0 |
| X-content-type-options
| nosniff |
| X-download-options
| noopen |
| X-permitted-cross-domain-policies
| none |
| Referrer-policy
| strict-origin-when-cross-origin |
| P3p
| CP="CAO PSA OUR" |
| Cache-control
| max-age=0, private, no-store=true, no-cache=true, must-revalidate=true, proxy-revalidate=true, s-maxage=0, pre-check=0, post-check=0 |
| Etag
| W/"c923ad4abd3496051e466dff62226f99" |
| Content-security-policy-report-only
| |
| Set-cookie
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| X-request-id
| a2f98cbf-ccce-4864-ad83-13930d87e7ac |
| X-runtime
| 0.099889 |
| Vary
| Origin |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| Content-encoding
| gzip |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
| Format-detection | telephone=no |
| Last-modified | Fri, 20 Feb 2026 15:21:33 GMT |
| X-UA-Compatible | IE=edge,chrome=1 |
| Content-type | text/html; charset=utf-8 |
| Description | Noteflight is an online music writing application that lets you create, view, print and hear professional quality music notation right in your web browser. |
| Fb:app_id | 1245729718815500 |
| P:domain_verify | cdc8b42f9fbde40f5e610c904cd87e9b |
| Thumbnail |  |
| Application-name | Noteflight |
| Theme-color | #1D456B |
| Color-scheme | dark light |
Date Wed, 22 Jul 2026 01:15:32 GMT
Content-type text/html; charset=utf-8
Server nginx/1.26.3
X-frame-options SAMEORIGIN
X-xss-protection 0
X-content-type-options nosniff
X-download-options noopen
X-permitted-cross-domain-policies none
Referrer-policy strict-origin-when-cross-origin
P3p CP="CAO PSA OUR"
Cache-control max-age=0, private, no-store=true, no-cache=true, must-revalidate=true, proxy-revalidate=true, s-maxage=0, pre-check=0, post-check=0
Etag W/"c923ad4abd3496051e466dff62226f99"
Content-security-policy-report-only
Set-cookie _noteflightSite_session=p4IAM4lsKzOQqQtik3eF%2FIrlygsesLQDhJPNXJTzOZ0clgrDktFZbwREdvz9tXZoD2Wwmn5Eh9btHc7nbr55%2B16eoGn0qa6X%2B9tQWqEy5w0UzDqG6fIW2g%2BojOfrLpK83HZIq7vA8GTNgmZgbnxqshLI5T5IQ%2FT7EO6id1Vm3p5%2BEYtOnSL84hA3sY6p3N5Qkd%2FqmRi0fJx%2BgCHmg%2Feeju59x%2F%2BC7F5Ms2BuiI%2BItUKgRJY%2BBmUiuKz5UXbvr8nuYA%2FmrhXLHv9cGQFNwZtY5K0uvB7X1SfLs%2BPcwvDJ6qiSwPqjpF1Gsiyikjc53dMAOB4rjFIkIJpoyfgQeVnSqCucY6ymP4EX8kdsX7wvJJX2wzCrkMYc%2Bwiw%2BOVsmQfQq9D38VUKhqVn4Bym6aY%2B%2F0ZBW9NrrmrEZzZa%2Fjv9d7Gpg87VV4nZGHlXqsB13hZE9NWVb0x25GUyRonDjkw2OOM%2B1RYEc1Ykcivyh3VmeQoglYa%2Fg56Ilc87IsLczqGj1Uv0fFVrs39g7ee2Y9aKlT50sXU1MZC8qTohuKjlGv7Ys8SRgXx652J%2B%2FbVG5mkt06Iqmm%2FA0YqDbSLsZEJpej6G%2FgECbRh0%2BQrPxUeLeA97cidLVVx7U5ZB6VL8bGCZUcpRIa%2BQyTI6z4A8szEo4LMAV4FRx1RLtkimb5doKGlbxyW3lR7neEEFNit5TG%2FQLTQeZlcqNCVv70TvIf9jCp6JA%2BgOBGp7%2BUBx4KO21GrYp3f6SW7m3WwM1U8kHnsve2eRodrTOe%2BOqq5GFkFTkiPnUOHlYdYUjhueCQRqoFx29RZvdzYsEfLOUh%2FGN5HdRUV5gcJ204GIcMQ%2B0IK0eM7t9N1T%2BnCkU%2BQPUI2OSPbRVqbN0gfJAbTlpbwWqIT1ytCsengqDUUbKtcH%2FqlgzJesQQgdoTka0UqOudEztejlBe1haXX%2BvWw%2BhN6zk5hV13xHyl87wB%2FXc572M4FaMz4V8vENCeqHXWt6gt2uWifOlvQbt3dJmBpomTH5EjQViPP2RUKXE5bjQUd%2B%2BJborTyGSMzcg6E5gVxQ1ZwWvPdgexP%2FlJ2bDXZ%2BuFmb7ohGU1jSqMKrfO%2Ff%2F3dhVVZ79bb8iZb05wzrZ4vIgMnplqN%2B--dR9FQEGTZVh7vs4t--PwcXjipqVg3yAUB1%2Fd2Gmw%3D%3D; path=/; expires=Thu, 22 Jul 2027 01:15:32 GMT; secure; HttpOnly; SameSite=None
X-request-id a2f98cbf-ccce-4864-ad83-13930d87e7ac
X-runtime 0.099889
Vary Origin
Strict-transport-security max-age=31536000; includeSubDomains; preload
Content-encoding gzip
