Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 23.39.248.75 |
| 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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 23.39.248.75
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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://gia.edu:443 | 301 | HTTP/2 301 |
| 2 | https://www.gia.edu/ | 200 | HTTP/2 200 |
#1 URL https://gia.edu:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.gia.edu/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 111.9 ms |
| TCP Connect | 113 ms |
| TLS Handshake | 45.5 ms |
| Time To First Byte (TTFB) | 189 ms |
| Content Download | 2.4 ms |
| Total Response Time | 191.3 ms |
DNS Lookup 111.9 ms
TCP Connect 113 ms
TLS Handshake 45.5 ms
Time To First Byte (TTFB) 189 ms
Content Download 2.4 ms
Total Response Time 191.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Gemological Institute Of America | All About Gemstones - GIA |
| Meta Description | Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services. |
| Canonical | https://www.gia.edu |
| Open Graph Title | Gemological Institute Of America | All About Gemstones - GIA |
| Open Graph Description | Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services. |
| Twitter Card | summary_large_image |
| Twitter Title | Gemological Institute Of America | All About Gemstones - GIA |
| Twitter Description | Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services. |
Title Gemological Institute Of America | All About Gemstones - GIA
Meta Description Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Canonical https://www.gia.edu
Open Graph Title Gemological Institute Of America | All About Gemstones - GIA
Open Graph Description Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Twitter Card summary_large_image
Twitter Title Gemological Institute Of America | All About Gemstones - GIA
Twitter Description Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Detected Technologies
| Technology | React Google Analytics Google Tag Manager Next.js |
Technology React Google Analytics Google Tag Manager Next.js
HTTP Headers
| Content-type
| text/html; charset=utf-8 |
| Link
| ; rel=preload; as="style", ; rel=preload; as="style", ; rel=preload; as="style", ; rel=preload; as="style" |
| X-powered-by
| Next.js |
| X-akamai-transformed
| 0 - 0 - |
| Content-encoding
| gzip |
| Cache-control
| must-revalidate, proxy-revalidate, max-age=172800 |
| Expires
| Fri, 28 Aug 2026 16:18:45 GMT |
| Date
| Wed, 26 Aug 2026 16:18:45 GMT |
| Vary
| Accept-Encoding |
| Set-cookie
| bm_so=724AC3CFC7537859E40B10DCCADA504CFA8A6E54E0E60132697F2D57CE2C900B~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; Domain=.gia.edu; Path=/; Expires=Thu, 27 Aug 2026 16:18:45 GMT; Max-Age=86400; Secure |
| Alt-svc
| h3=":443"; ma=93600 |
| X-xss-protection
| 1; mode=block |
| X-frame-options
| SAMEORIGIN |
| Akamai-grn
| 0.88ecc017.1787761125.3ecfbc8 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services. |
| Keywords | GIA, Gemological Institute of America, gemstones, gems |
Content-type text/html; charset=utf-8
Link ; rel=preload; as="style", ; rel=preload; as="style", ; rel=preload; as="style", ; rel=preload; as="style"
X-powered-by Next.js
X-akamai-transformed 0 - 0 -
Content-encoding gzip
Cache-control must-revalidate, proxy-revalidate, max-age=172800
Expires Fri, 28 Aug 2026 16:18:45 GMT
Date Wed, 26 Aug 2026 16:18:45 GMT
Vary Accept-Encoding
Set-cookie bm_so=724AC3CFC7537859E40B10DCCADA504CFA8A6E54E0E60132697F2D57CE2C900B~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; Domain=.gia.edu; Path=/; Expires=Thu, 27 Aug 2026 16:18:45 GMT; Max-Age=86400; Secure
Alt-svc h3=":443"; ma=93600
X-xss-protection 1; mode=block
X-frame-options SAMEORIGIN
Akamai-grn 0.88ecc017.1787761125.3ecfbc8
