Checking results for: 233.com
Additional info for https://233.com
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 155.102.212.197 |
| Server Software | Tengine |
| CDN | CDN (MISS TCP_REFRESH_MISS dirn:11:646861788) |
| 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. |
|
🕐 🔴 Very Slow Response (5218 ms) | Response time exceeds 3 seconds. This severely impacts SEO and user experience. |
|
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 155.102.212.197
Server Software Tengine
CDN CDN (MISS TCP_REFRESH_MISS dirn:11:646861788)
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.
🕐 🔴 Very Slow Response (5218 ms) Response time exceeds 3 seconds. This severely impacts SEO and user experience.
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://233.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.233.com/ | 200 | HTTP/2 200 |
#1 URL https://233.com:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.233.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 653.8 ms |
| TCP Connect | 665.9 ms |
| TLS Handshake | 15.8 ms |
| Time To First Byte (TTFB) | 1468.2 ms |
| Content Download | 3749.9 ms |
| Total Response Time | 5218.2 ms |
DNS Lookup 653.8 ms
TCP Connect 665.9 ms
TLS Handshake 15.8 ms
Time To First Byte (TTFB) 1468.2 ms
Content Download 3749.9 ms
Total Response Time 5218.2 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 | 233网校-考证就上233网校 |
| Meta Description | 233网校提供建筑、金融、职业、财经等4大类多种考试的在线课程培训、报考指导、免费题库等考试服务，是拥有21年品牌的一站式学习网站。 |
| Robots Meta | All |
Title 233网校-考证就上233网校
Meta Description 233网校提供建筑、金融、职业、财经等4大类多种考试的在线课程培训、报考指导、免费题库等考试服务，是拥有21年品牌的一站式学习网站。
Robots Meta All
Detected Technologies
| Technology | Google Analytics Node.js |
Technology Google Analytics Node.js
HTTP Headers
| Server
| Tengine |
| Content-type
| text/html |
| Vary
| Accept-Encoding |
| Date
| Thu, 20 Aug 2026 09:46:37 GMT |
| Set-cookie
| SERVERID=eba4f23ac1c7fa7460fa93096a7b41f2|1787219197|1787219197;Path=/ |
| Via
| cache13.l2fr1[502,519,200-0,M], cache24.l2fr1[519,0], ens-cache7.fr7[771,771,200-0,M], ens-cache23.fr7[774,0] |
| Ali-swift-global-savetime
| 1787219197 |
| X-cache
| MISS TCP_REFRESH_MISS dirn:11:646861788 |
| X-swift-savetime
| Thu, 20 Aug 2026 09:46:38 GMT |
| X-swift-cachetime
| 1799 |
| Cache-control
| max-age=1800 |
| Timing-allow-origin
| * |
| Eagleid
| 9b66d4ab17872191974883864e |
| Content-encoding
| gzip |
Meta Tags
| X-UA-Compatible | chrome=1,IE=edge,IE=11 |
| Cache-control | no-cache |
| Robots | All |
| Description | 233网校提供建筑、金融、职业、财经等4大类多种考试的在线课程培训、报考指导、免费题库等考试服务，是拥有21年品牌的一站式学习网站。 |
| Keywords | 233网校,考试培训,教育培训,在线模拟考试,安全工程师,社会工作者,经济师,一级消防工程师,基金从业,证券从业,一级建造师,二建,监理工程师,在线考试培训,在线考试题库,考试大 |
| UpdateTime | 2026/08/20 15:03:02 |
| Msvalidate.01 | EBAEC923301FD878556D5226456B8DA6 |
Server Tengine
Content-type text/html
Vary Accept-Encoding
Date Thu, 20 Aug 2026 09:46:37 GMT
Set-cookie SERVERID=eba4f23ac1c7fa7460fa93096a7b41f2|1787219197|1787219197;Path=/
Via cache13.l2fr1[502,519,200-0,M], cache24.l2fr1[519,0], ens-cache7.fr7[771,771,200-0,M], ens-cache23.fr7[774,0]
Ali-swift-global-savetime 1787219197
X-cache MISS TCP_REFRESH_MISS dirn:11:646861788
X-swift-savetime Thu, 20 Aug 2026 09:46:38 GMT
X-swift-cachetime 1799
Cache-control max-age=1800
Timing-allow-origin *
Eagleid 9b66d4ab17872191974883864e
Content-encoding gzip
X-UA-Compatible chrome=1,IE=edge,IE=11
Cache-control no-cache
Robots All
Description 233网校提供建筑、金融、职业、财经等4大类多种考试的在线课程培训、报考指导、免费题库等考试服务，是拥有21年品牌的一站式学习网站。
Keywords 233网校,考试培训,教育培训,在线模拟考试,安全工程师,社会工作者,经济师,一级消防工程师,基金从业,证券从业,一级建造师,二建,监理工程师,在线考试培训,在线考试题库,考试大
UpdateTime 2026/08/20 15:03:02
Msvalidate.01 EBAEC923301FD878556D5226456B8DA6
