Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 56.0.134.100 |
| 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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 56.0.134.100
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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://usps.com:443 | 301 | HTTP/1.1 301 MOVED PERMANENTLY |
| 2 | https://www.usps.com/ | 200 | HTTP/2 200 |
#1 URL https://usps.com:443
HTTP Status Code 301
Status HTTP/1.1 301 MOVED PERMANENTLY
#2 URL https://www.usps.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 1.4 ms |
| TCP Connect | 2.7 ms |
| TLS Handshake | 4.4 ms |
| Time To First Byte (TTFB) | 31.8 ms |
| Content Download | 1.5 ms |
| Total Response Time | 33.3 ms |
DNS Lookup 1.4 ms
TCP Connect 2.7 ms
TLS Handshake 4.4 ms
Time To First Byte (TTFB) 31.8 ms
Content Download 1.5 ms
Total Response Time 33.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 ; includeSubDomains |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000 ; includeSubDomains
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Welcome | USPS |
| Meta Description | Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages. |
| Canonical | https://www.usps.com/ |
| Open Graph Title | Welcome | USPS |
| Open Graph Description | Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages. |
| Open Graph Image | https://www.usps.com/assets/images/welcome/usps-homepage.jpg |
| Twitter Card | summary |
| Twitter Title | Welcome | USPS |
| Twitter Description | Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages. |
| Twitter Image | https://www.usps.com/assets/images/welcome/usps-homepage.jpg |
Title Welcome | USPS Meta Description Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages. Canonical https://www.usps.com/ Open Graph Title Welcome | USPS Open Graph Description Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages. Open Graph Image https://www.usps.com/assets/images/welcome/usps-homepage.jpg Twitter Card summary Twitter Title Welcome | USPS Twitter Description Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages. Twitter Image https://www.usps.com/assets/images/welcome/usps-homepage.jpg Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Google Tag Manager Node.js |
Technology Bootstrap jQuery Google Analytics Google Tag Manager Node.js
HTTP Headers
| X-frame-options
| SAMEORIGIN |
| Content-security-policy
| default-src 'self' https:; connect-src 'self' https:; font-src 'self' https: data:; frame-src 'self' https:; img-src 'self' https: data:; media-src 'self' https:; object-src 'self' https:; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; style-src 'self' 'unsafe-inline' https:; |
| Accept-ranges
| bytes |
| X-content-type-options
| nosniff |
| Cteonnt-length
| 87017 |
| Content-type
| text/html |
| X-akamai-transformed
| 0 - 0 - |
| Content-encoding
| gzip |
| Cache-control
| private, max-age=3556 |
| Date
| Thu, 20 Aug 2026 11:15:45 GMT |
| Content-length
| 16398 |
| Vary
| Accept-Encoding |
| Access-control-allow-origin
| https://www.usps.com |
| Strict-transport-security
| max-age=31536000 ; includeSubDomains |
| Akamai-grn
| 0.89ecc017.1787224545.b9875a0 |
| Set-cookie
| bm_sz=51056D63586A8D231FE444D6C949C2ED~YAAQiezAF47HE+ufAQAAbVniHgAGQg7ir5mwQ0c/uZ8lSWuuQmSRc9PrybVivX2RWIqVucpEcctQoH6zTuIoYoP5QFwUHAOfcw+XjXEdtP9GZLi3PGRZYwXN7E93QkBjdM8irltSyy1T+HrTgdHAgb/SgiXhCplr0bYvCQhGfaGRWj4sOJZPBRul2aYjH6yMq749TipEc59Kzci4yDwriF//EOcAcP5Rdi/lpzOUKxgspmvk3/1dd1kVfnLDPMaxx+SN9aKBWdva2XpgOcHbS61hf3Hr8io6tfVECPLeuc8iW2EGE3G5W/5FHzpwf2p9CMzl0wAk/mSL/MuxnHy85dfNvFtsDt0X/FlhFF1AjL4KDnxNZSC8jyAvx/OOYlNTlqfCsJVFt35vSPa9MLZU5Wy9Y0sNNG0hGUPxLBIHUO0ejdkdT5jT/6x0p/Nh~3421235~3752260; Domain=.usps.com; Path=/; Expires=Thu, 20 Aug 2026 15:15:45 GMT; Max-Age=14400; SameSite=None; Secure |
Meta Tags
| Content-Type | text/html; charset=windows-1252 |
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no |
| Keywords | USPS, Postal Service, Postal Store, buy stamps, free shipping supplies, informed delivery, mail previews, Click-N-Ship, online postage, track packages, hold mail, forward mail, free package pickup, postage calculator, ZIP Code Lookup, Find a Post Office |
| Description | Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages. |
X-frame-options SAMEORIGIN
Content-security-policy default-src 'self' https:; connect-src 'self' https:; font-src 'self' https: data:; frame-src 'self' https:; img-src 'self' https: data:; media-src 'self' https:; object-src 'self' https:; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; style-src 'self' 'unsafe-inline' https:;
Accept-ranges bytes
X-content-type-options nosniff
Cteonnt-length 87017
Content-type text/html
X-akamai-transformed 0 - 0 -
Content-encoding gzip
Cache-control private, max-age=3556
Date Thu, 20 Aug 2026 11:15:45 GMT
Content-length 16398
Vary Accept-Encoding
Access-control-allow-origin https://www.usps.com
Strict-transport-security max-age=31536000 ; includeSubDomains
Akamai-grn 0.89ecc017.1787224545.b9875a0
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