Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 52.9.28.133 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
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 52.9.28.133
Server Software cloudflare
CDN Cloudflare
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://stamp.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.stamps.com:443/ | 200 | HTTP/2 200 |
#1 URL https://stamp.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.stamps.com:443/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 22 ms |
| TCP Connect | 23.9 ms |
| TLS Handshake | 7.8 ms |
| Time To First Byte (TTFB) | 202.3 ms |
| Content Download | 21.6 ms |
| Total Response Time | 223.9 ms |
DNS Lookup 22 ms
TCP Connect 23.9 ms
TLS Handshake 7.8 ms
Time To First Byte (TTFB) 202.3 ms
Content Download 21.6 ms
Total Response Time 223.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; |
| CSP | ✔ Configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains;
CSP ✔ Configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Buy Postage Online, Print USPS Stamps and Shipping Labels - Stamps.com |
| Meta Description | Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes. |
| Canonical | https://www.stamps.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Buy Postage Online, Print USPS Stamps and Shipping Labels |
| Open Graph Description | Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes. |
| Open Graph Image | https://www.stamps.com/wp-content/uploads/2024/10/Stamps-... |
| Twitter Card | summary_large_image |
| Twitter Image | https://www.stamps.com/wp-content/uploads/2024/10/Stamps-... |
Title Buy Postage Online, Print USPS Stamps and Shipping Labels - Stamps.com Meta Description Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes. Canonical https://www.stamps.com/ Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title Buy Postage Online, Print USPS Stamps and Shipping Labels Open Graph Description Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes. Open Graph Image https://www.stamps.com/wp-content/uploads/2024/10/Stamps-... Twitter Card summary_large_image Twitter Image https://www.stamps.com/wp-content/uploads/2024/10/Stamps-... Detected Technologies
| Technology | WordPress Shopify jQuery Google Analytics Cloudflare PHP Node.js |
Technology WordPress Shopify jQuery Google Analytics Cloudflare PHP Node.js
HTTP Headers
| Date
| Fri, 28 Aug 2026 19:02:31 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Cf-cache-status
| BYPASS |
| Vary
| Accept-Encoding,Cookie |
| Link
| ; rel=shortlink |
| X-powered-by
| WP Engine |
| X-cacheable
| SHORT |
| Cache-control
| max-age=600, must-revalidate |
| X-cache
| HIT: 299 |
| X-cache-group
| normal |
| X-xss-protection
| 1; mode=block |
| X-content-type-options
| nosniff |
| Set-cookie
| __cf_bm=qyDygmrtsB4NlzaW_1cX2L6UkiPajF21qojG8QdxyZk-1787943751.0457458-1.0.1.1-PwRfk8zDlhDf.PRXvGZhoFPTcO_QdooSVp8sr0uiyeyLHpT8BwMlk8LeM8smZJUDUeulgbcAKNPAUUWiUBA9JCVxaU.HpxeE8_2T4jwkvj1XM9vp9.wDiHGoNp5XbVZ1; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.stamps.com; Expires=Fri, 28 Aug 2026 19:32:31 GMT |
| Content-security-policy
| frame-ancestors 'self' https://store.stamps.com https://*.mybigcommerce.com https://*.myshopify.com https://*.stamps.com https://*.endicia.com |
| Permissions-policy
| geolocation=(), midi=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), fullscreen=(self), payment=() |
| Referrer-policy
| strict-origin-when-cross-origin |
| Strict-transport-security
| max-age=31536000; includeSubDomains; |
| Content-encoding
| gzip |
| Cf-ray
| a325921c0b45ed85-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| X-ua-compatible | IE=edge |
| Application-name | Stamps |
| Referrer | origin-when-cross-origin |
| Msapplication-TileColor | #2159a8 |
| Keywords | postage online, usps stamps, print postage, online postage, stamps online, stamps, postage stamps, buy stamps, post office stamps, buy stamps online, print stamps online, postage by mail, postage, postage stamp, usps, us postal service, united states postal service, stamps.com, sdcmainprod.wpengine.com, stamps com, stamp com |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Description | Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes. |
| Article:publisher | https://www.facebook.com/stampscom/ |
| Article:modified_time | 2026-08-12T15:32:22+00:00 |
| Google-site-verification | d9JBzXqa08UISD3JH1bMtBLbDQGpbArJnzucLZvHNpk |
| Msapplication-TileImage |  |
Date Fri, 28 Aug 2026 19:02:31 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Cf-cache-status BYPASS
Vary Accept-Encoding,Cookie
Link ; rel=shortlink
X-powered-by WP Engine
X-cacheable SHORT
Cache-control max-age=600, must-revalidate
X-cache HIT: 299
X-cache-group normal
X-xss-protection 1; mode=block
X-content-type-options nosniff
Set-cookie __cf_bm=qyDygmrtsB4NlzaW_1cX2L6UkiPajF21qojG8QdxyZk-1787943751.0457458-1.0.1.1-PwRfk8zDlhDf.PRXvGZhoFPTcO_QdooSVp8sr0uiyeyLHpT8BwMlk8LeM8smZJUDUeulgbcAKNPAUUWiUBA9JCVxaU.HpxeE8_2T4jwkvj1XM9vp9.wDiHGoNp5XbVZ1; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.stamps.com; Expires=Fri, 28 Aug 2026 19:32:31 GMT
Content-security-policy frame-ancestors 'self' https://store.stamps.com https://*.mybigcommerce.com https://*.myshopify.com https://*.stamps.com https://*.endicia.com
Permissions-policy geolocation=(), midi=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), fullscreen=(self), payment=()
Referrer-policy strict-origin-when-cross-origin
Strict-transport-security max-age=31536000; includeSubDomains;
Content-encoding gzip
Cf-ray a325921c0b45ed85-CDG
Alt-svc h3=":443"; ma=86400
