Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 54.197.117.120 |
| Server Software | Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k PHP/7.4.33 |
| Compression | gzip |
|
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 54.197.117.120
Server Software Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k PHP/7.4.33
Compression gzip
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://thebluebook.com:443 | 301 | HTTP/2 301 |
| 2 | http://www.thebluebook.com/ | 301 | HTTP/1.1 301 Moved Permanently |
| 3 | https://www.thebluebook.com:443/ | 200 | HTTP/2 200 |
#1 URL https://thebluebook.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL http://www.thebluebook.com/
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#3 URL https://www.thebluebook.com:443/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 0.5 ms |
| TCP Connect | 83.1 ms |
| TLS Handshake | 85.6 ms |
| Time To First Byte (TTFB) | 645.7 ms |
| Content Download | 0.9 ms |
| Total Response Time | 646.5 ms |
DNS Lookup 0.5 ms
TCP Connect 83.1 ms
TLS Handshake 85.6 ms
Time To First Byte (TTFB) 645.7 ms
Content Download 0.9 ms
Total Response Time 646.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=0 |
| CSP | ✔ Configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=0
CSP ✔ Configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | The Blue Book Building & Construction Network - Home |
| Meta Description | The Blue Book Network is a digital marketplace and directory for commercial construction, connecting contractors, subcontractors, property managers, suppliers, building product manufacturers and service providers to showcase their services, qualifications, and projects. We bring buyers and sellers together. |
| Canonical | https://www.thebluebook.com/ |
Title The Blue Book Building & Construction Network - Home
Meta Description The Blue Book Network is a digital marketplace and directory for commercial construction, connecting contractors, subcontractors, property managers, suppliers, building product manufacturers and service providers to showcase their services, qualifications, and projects. We bring buyers and sellers together.
Canonical https://www.thebluebook.com/
Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Google Tag Manager Apache PHP Node.js |
Technology Bootstrap jQuery Google Analytics Google Tag Manager Apache PHP Node.js
HTTP Headers
| Date
| Thu, 23 Jul 2026 19:43:15 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k PHP/7.4.33 |
| Strict-transport-security
| max-age=0 |
| X-powered-by
| MODX Revolution |
| Content-security-policy
| frame-ancestors 'self' *.thebluebook.com *.oneteam.build *.construction.com *.dodgedev.com *.dodgeqa.com |
| Set-cookie
| PHPSESSID=fq0qi3spqorl5d094fh21cd7ib; expires=Thu, 30-Jul-2026 19:43:15 GMT; Max-Age=604800; path=/; HttpOnly |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Cache-control
| no-store, no-cache, must-revalidate |
| Pragma
| no-cache |
| Access-control-allow-origin
| * |
| Content-encoding
| gzip |
| Vary
| Accept-Encoding |
Meta Tags
| Viewport | width=device-width,height= |
| Content-type | text/html; charset=utf-8 |
| X-UA-Compatible | IE=edge |
| Author | The Bluebook Network |
| Description | The Blue Book Network is a digital marketplace and directory for commercial construction, connecting contractors, subcontractors, property managers, suppliers, building product manufacturers and service providers to showcase their services, qualifications, and projects. We bring buyers and sellers together. |
| Apple-mobile-web-app-capable | yes |
Date Thu, 23 Jul 2026 19:43:15 GMT
Content-type text/html; charset=UTF-8
Server Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k PHP/7.4.33
Strict-transport-security max-age=0
X-powered-by MODX Revolution
Content-security-policy frame-ancestors 'self' *.thebluebook.com *.oneteam.build *.construction.com *.dodgedev.com *.dodgeqa.com
Set-cookie PHPSESSID=fq0qi3spqorl5d094fh21cd7ib; expires=Thu, 30-Jul-2026 19:43:15 GMT; Max-Age=604800; path=/; HttpOnly
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-control no-store, no-cache, must-revalidate
Pragma no-cache
Access-control-allow-origin *
Content-encoding gzip
Vary Accept-Encoding
