Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.18.39.224 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| 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. |
|
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 104.18.39.224
Server Software cloudflare
CDN Cloudflare
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.
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://ebrary.com:443 | 301 | HTTP/2 301 |
| 2 | https://about.proquest.com/en/products-services/ebooks-main/ | 200 | HTTP/2 200 |
#1 URL https://ebrary.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://about.proquest.com/en/products-services/ebooks-main/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 102.3 ms |
| TCP Connect | 104.4 ms |
| TLS Handshake | 7.7 ms |
| Time To First Byte (TTFB) | 245.1 ms |
| Content Download | 37.3 ms |
| Total Response Time | 282.4 ms |
DNS Lookup 102.3 ms
TCP Connect 104.4 ms
TLS Handshake 7.7 ms
Time To First Byte (TTFB) 245.1 ms
Content Download 37.3 ms
Total Response Time 282.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Ebook Central |
| Meta Description | Ebook Central enables libraries to significantly improve users’ ebook research outcomes and boost the productivity of their staff. |
| Canonical | https://about.proquest.com/en/products-services/ebooks-main/ |
| Open Graph Title | Ebook Central |
| Open Graph Description | Ebook Central enables libraries to significantly improve users’ ebook research outcomes and boost the productivity of their staff. |
| Open Graph Image | https://about.proquest.com/globalassets/proquest/media/im... |
Title Ebook Central Meta Description Ebook Central enables libraries to significantly improve users’ ebook research outcomes and boost the productivity of their staff. Canonical https://about.proquest.com/en/products-services/ebooks-main/ Open Graph Title Ebook Central Open Graph Description Ebook Central enables libraries to significantly improve users’ ebook research outcomes and boost the productivity of their staff. Open Graph Image https://about.proquest.com/globalassets/proquest/media/im... Detected Technologies
| Technology | jQuery Google Analytics Cloudflare Node.js |
Technology jQuery Google Analytics Cloudflare Node.js
HTTP Headers
| Date
| Thu, 20 Aug 2026 04:05:56 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| cloudflare |
| Cache-control
| no-cache,no-store |
| Expires
| -1 |
| Pragma
| no-cache |
| Set-cookie
| ARRAffinitySameSite=ef5a06415c9c4b4feb93e6ec5268b50ffdfbe64ab08be9bd54f8e937fcfd5361;Path=/;HttpOnly;SameSite=None;Secure;Domain=about.proquest.com |
| Request-context
| appId=cid-v1:79d237a6-fe58-4843-8595-2d3f7427f6d0 |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a2de85c40fff9794-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1.0 |
| Description | Ebook Central enables libraries to significantly improve users’ ebook research outcomes and boost the productivity of their staff. |
| Keywords | ebooks, YBP, Discovery Partners, Coutts, third-party party technologies, DRM-free |
| Googlebot | noarchive |
| Google-site-verification | FWNeqHLHSSNFUtJw-3TtCXOR98_j6dMDuHJFo097RTw |
| Facebook-verification | w10c8vslhbk5vbmlg6wcyq1iwziucg |
| Msvalidate.01 | B54EC5676FB4AB75038E53E1B4842433 |
Date Thu, 20 Aug 2026 04:05:56 GMT
Content-type text/html; charset=utf-8
Server cloudflare
Cache-control no-cache,no-store
Expires -1
Pragma no-cache
Set-cookie ARRAffinitySameSite=ef5a06415c9c4b4feb93e6ec5268b50ffdfbe64ab08be9bd54f8e937fcfd5361;Path=/;HttpOnly;SameSite=None;Secure;Domain=about.proquest.com
Request-context appId=cid-v1:79d237a6-fe58-4843-8595-2d3f7427f6d0
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a2de85c40fff9794-CDG
Alt-svc h3=":443"; ma=86400
