Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 172.217.22.46 |
| Server Software | OFE/0.1 |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers. |
|
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 172.217.22.46
Server Software OFE/0.1
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 39.3 ms |
| TCP Connect | 40.6 ms |
| TLS Handshake | 7.6 ms |
| Time To First Byte (TTFB) | 200.9 ms |
| Content Download | 195.4 ms |
| Total Response Time | 396.3 ms |
DNS Lookup 39.3 ms
TCP Connect 40.6 ms
TLS Handshake 7.6 ms
Time To First Byte (TTFB) 200.9 ms
Content Download 195.4 ms
Total Response Time 396.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=604800 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=604800
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Google Books: Find, Preview, and Read Books Online. |
| Canonical | https://books.google.com.do/ |
Title Google Books: Find, Preview, and Read Books Online.
Canonical https://books.google.com.do/
Detected Technologies
| Technology | Google Analytics Apache Node.js |
Technology Google Analytics Apache Node.js
HTTP Headers
| Date
| Fri, 21 Aug 2026 11:06:21 GMT |
| Expires
| Fri, 01 Jan 1990 00:00:00 GMT |
| Cache-control
| no-cache, must-revalidate |
| X-frame-options
| SAMEORIGIN |
| X-xss-protection
| 1; mode=block |
| Strict-transport-security
| max-age=604800 |
| Pragma
| no-cache |
| Content-type
| text/html; charset=UTF-8 |
| P3p
| CP="This is not a P3P policy! See g.co/p3phelp for more info." |
| X-content-type-options
| nosniff |
| Content-encoding
| gzip |
| Server
| OFE/0.1 |
| Content-length
| 208192 |
| Set-cookie
| __Secure-ENID=35.SE=YgPwpyNBFY3Ivuqg9zRVpIpNIMFzUGDiAqvzjzDOtLXJsEzsyxy5CQ4IHVD-z3U9ajOQTaAwLoYobO2c59vs2H9xS7ORAneEsPnjGq5EtPOFkEIjK5_7qzAbWCKTvJy-PLgC9_UOUwWoTBSMsmtckAmIOT01hIMECH8qWIZ8XnTZKrSFVLUI3q_5RvSf34I8eT2GTY2_WQRPS3gTQs_YovFh13UK1rbD01tHysDvXj4S; expires=Tue, 21-Sep-2027 03:24:39 GMT; path=/; domain=.google.com.do; Secure; HttpOnly; SameSite=lax |
| Alt-svc
| h3=":443"; ma=2592000,h3-29=":443"; ma=2592000 |
Meta Tags
| Content-type | text/html; charset=UTF-8 |
| Viewport | width=device-width, initial-scale=1 |
Date Fri, 21 Aug 2026 11:06:21 GMT
Expires Fri, 01 Jan 1990 00:00:00 GMT
Cache-control no-cache, must-revalidate
X-frame-options SAMEORIGIN
X-xss-protection 1; mode=block
Strict-transport-security max-age=604800
Pragma no-cache
Content-type text/html; charset=UTF-8
P3p CP="This is not a P3P policy! See g.co/p3phelp for more info."
X-content-type-options nosniff
Content-encoding gzip
Server OFE/0.1
Content-length 208192
Set-cookie __Secure-ENID=35.SE=YgPwpyNBFY3Ivuqg9zRVpIpNIMFzUGDiAqvzjzDOtLXJsEzsyxy5CQ4IHVD-z3U9ajOQTaAwLoYobO2c59vs2H9xS7ORAneEsPnjGq5EtPOFkEIjK5_7qzAbWCKTvJy-PLgC9_UOUwWoTBSMsmtckAmIOT01hIMECH8qWIZ8XnTZKrSFVLUI3q_5RvSf34I8eT2GTY2_WQRPS3gTQs_YovFh13UK1rbD01tHysDvXj4S; expires=Tue, 21-Sep-2027 03:24:39 GMT; path=/; domain=.google.com.do; Secure; HttpOnly; SameSite=lax
Alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
