Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 172.67.69.216 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 172.67.69.216
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 6.3 ms |
| TCP Connect | 7.6 ms |
| TLS Handshake | 7.8 ms |
| Time To First Byte (TTFB) | 64.9 ms |
| Content Download | 0.2 ms |
| Total Response Time | 65.1 ms |
DNS Lookup 6.3 ms
TCP Connect 7.6 ms
TLS Handshake 7.8 ms
Time To First Byte (TTFB) 64.9 ms
Content Download 0.2 ms
Total Response Time 65.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Newsletters spam test by mail-tester.com |
| Meta Description | Check your newsletter |
| Canonical | https://mail-tester.com/ |
| Open Graph Title | Newsletters spam test by mail-tester.com |
| Open Graph Description | mail-tester.com is a free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems |
| Open Graph Image | http://mail-tester.com/images/logo-273x273.png |
Title Newsletters spam test by mail-tester.com Meta Description Check your newsletter Canonical https://mail-tester.com/ Open Graph Title Newsletters spam test by mail-tester.com Open Graph Description mail-tester.com is a free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems Open Graph Image http://mail-tester.com/images/logo-273x273.png Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare |
Technology Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Date
| Thu, 20 Aug 2026 18:35:14 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Vary
| Accept-Encoding |
| Set-cookie
| visited=1; expires=Thu, 17-Sep-2026 18:35:14 GMT; Max-Age=2419200; path=/ |
| X-xss-protection
| 1; mode=block |
| X-content-type-options
| nosniff |
| Access-control-allow-methods
| GET, POST, OPTIONS |
| Access-control-allow-headers
| DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range |
| Access-control-expose-headers
| Content-Length,Content-Range |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=IxYu7P7JtcEbWicekQKAknouXeEtkXqopemSoKKmhY7oaf9qg86AIqJrNw18fAl6XMiiRi%2FAmdREZXAiBwXIe8rZJNfix93jw5DEDhlad%2B%2FrvCt97nF9eQ5uchdzDJ4JmNnqOst4ovRodP7wQA%3D%3D"}]} |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a2e37f28db4c3c81-CDG |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Keywords | mail,tester,test,check,email,spam,spamassassin |
| Description | Check your newsletter |
| Viewport | width=device-width |
Date Thu, 20 Aug 2026 18:35:14 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Vary Accept-Encoding
Set-cookie visited=1; expires=Thu, 17-Sep-2026 18:35:14 GMT; Max-Age=2419200; path=/
X-xss-protection 1; mode=block
X-content-type-options nosniff
Access-control-allow-methods GET, POST, OPTIONS
Access-control-allow-headers DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range
Access-control-expose-headers Content-Length,Content-Range
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=IxYu7P7JtcEbWicekQKAknouXeEtkXqopemSoKKmhY7oaf9qg86AIqJrNw18fAl6XMiiRi%2FAmdREZXAiBwXIe8rZJNfix93jw5DEDhlad%2B%2FrvCt97nF9eQ5uchdzDJ4JmNnqOst4ovRodP7wQA%3D%3D"}]}
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a2e37f28db4c3c81-CDG
