Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 18.190.151.175 |
| Server Software | nginx |
| CDN | CDN (HIT) |
| Compression | gzip |
|
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 18.190.151.175
Server Software nginx
CDN CDN (HIT)
Compression gzip
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://sri.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.sri.com/ | 200 | HTTP/2 200 |
#1 URL https://sri.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.sri.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 155.8 ms |
| TCP Connect | 251.5 ms |
| TLS Handshake | 194.5 ms |
| Time To First Byte (TTFB) | 542 ms |
| Content Download | 99.1 ms |
| Total Response Time | 641 ms |
DNS Lookup 155.8 ms
TCP Connect 251.5 ms
TLS Handshake 194.5 ms
Time To First Byte (TTFB) 542 ms
Content Download 99.1 ms
Total Response Time 641 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ DENY |
| 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 ✔ DENY
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | A global leader in R&D with deep roots in Silicon Valley. |
| Meta Description | For almost 80 years, we have collaborated across disciplines to develop groundbreaking products and technologies and bring innovations and ideas to the marketplace. |
| Canonical | https://www.sri.com |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | A global leader in R&D with deep roots in Silicon Valley. |
| Open Graph Description | For almost 80 years, we have collaborated across disciplines to develop groundbreaking products and technologies and bring innovations and ideas to the marketplace. |
| Open Graph Image | https://www.sri.com/wp-content/uploads/2023/11/about-head... |
| Twitter Card | summary_large_image |
| Twitter Title | A global leader in R&D with deep roots in Silicon Valley. |
| Twitter Image | https://www.sri.com/wp-content/uploads/2023/11/about-head... |
Title A global leader in R&D with deep roots in Silicon Valley. Meta Description For almost 80 years, we have collaborated across disciplines to develop groundbreaking products and technologies and bring innovations and ideas to the marketplace. Canonical https://www.sri.com Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title A global leader in R&D with deep roots in Silicon Valley. Open Graph Description For almost 80 years, we have collaborated across disciplines to develop groundbreaking products and technologies and bring innovations and ideas to the marketplace. Open Graph Image https://www.sri.com/wp-content/uploads/2023/11/about-head... Twitter Card summary_large_image Twitter Title A global leader in R&D with deep roots in Silicon Valley. Twitter Image https://www.sri.com/wp-content/uploads/2023/11/about-head... Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Nginx PHP HubSpot |
Technology WordPress jQuery Google Analytics Google Tag Manager Nginx PHP HubSpot
HTTP Headers
| Server
| nginx |
| Date
| Tue, 28 Jul 2026 16:34:14 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Vary
| Accept-Encoding |
| Link
| ; rel=shortlink |
| Expires
| Thu, 01 Jan 1970 00:00:01 GMT |
| Cache-control
| no-cache |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-content-type-options
| nosniff |
| X-frame-options
| DENY |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| X-cache
| HIT |
| Content-encoding
| gzip |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Description | For almost 80 years, we have collaborated across disciplines to develop groundbreaking products and technologies and bring innovations and ideas to the marketplace. |
| Article:publisher | http://www.facebook.com/sri.intl |
| Article:modified_time | 2026-07-16T18:46:16+00:00 |
| Generator | WPML ver:4.9.5 stt:1,28; |
| Msapplication-TileImage |  |
Server nginx
Date Tue, 28 Jul 2026 16:34:14 GMT
Content-type text/html; charset=UTF-8
Vary Accept-Encoding
Link ; rel=shortlink
Expires Thu, 01 Jan 1970 00:00:01 GMT
Cache-control no-cache
Referrer-policy strict-origin-when-cross-origin
X-content-type-options nosniff
X-frame-options DENY
Strict-transport-security max-age=31536000; includeSubDomains; preload
X-cache HIT
Content-encoding gzip
