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njjjedu.cn 通过本站网站测速服务,利用全球分布的节点网络,模拟真实用户访问网站,实时检测并提供网站访问可用性、响应速度和HTTP状态码等关键数据。
网站测速结果njjjedu.cn2026-09-05 00:25:13
预估消耗 0 检测点,实际消耗以【检测点账单】为准
30

检测节点

响应时间分布 域名污染分布

污染比例:0%

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概览 被污染 (0) 状态码4XX (0) 客户端请求错误(请求的资源不存在、权限不足等) 状态码5XX (28) 服务器故障,处理请求时内部出错无法访问 无法访问 (1)
区域/运营商 响应最快 响应最慢 平均响应
全部 河北廊坊电信0.411s 辽宁大连移动4.014s 1.575s
电信 河北廊坊电信0.411s 陕西渭南电信3.284s 1.955s
移动 湖北武汉移动1.009s 辽宁大连移动4.014s 1.718s
联通 -0.872s -1.906s 1.067s
华东 -0.872s 上海电信2.192s 1.457s
华北 河北廊坊电信0.411s -2.49s 1.201s
华南 -1.906s -1.906s 1.906s
华中 湖北武汉移动1.009s 河南驻马店电信2.276s 1.734s
西北 陕西渭南联通0.975s 陕西渭南电信3.284s 1.702s
西南 -1.032s 四川广安电信1.223s 1.095s
东北 -0.94s 辽宁大连移动4.014s 1.941s
解析占比
全部 电信 移动 联通 被污染
172.67.174.38
104.21.55.230
172.67.174.38
104.21.55.230
网站测速详情
全部
被污染 () 状态码4XX () 客户端请求错误(请求的资源不存在、权限不足等) 状态码5XX () 服务器故障,处理请求时内部出错无法访问 响应超时 ()
节点数:/
检测点
运营商 检测节点
解析IP

状态

总时间

解析时间

连接时间

操作
电信 青海
172.67.174.38 (美国Cloudflare, Inc.)
502 1.221s 0.152s 0.27s

下载时间:0.001s

下载大小:6.23KB

下载速度:6230KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:41 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6382
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e58881c4da413-AMS
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
电信 内蒙古
104.21.55.230 (美国Cloudflare, Inc.)
502 2.49s 0.344s 0.254s

下载时间:0.001s

下载大小:6.23KB

下载速度:6230KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:40 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6381
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e587c1a2e1a59-AMS
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
电信 吉林
172.67.174.38 (美国Cloudflare, Inc.)
502 2.676s 0.158s 0.254s

下载时间:0.323s

下载大小:6.23KB

下载速度:19.288KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:41 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6384
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e587e1acc0a61-AMS
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
电信 甘肃庆阳
104.21.55.230 (美国Cloudflare, Inc.)
502 2.237s 0.163s 0.267s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5876cfc60520-AMS
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:39 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=18,cfOrigin;dur=1518
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
电信 河北廊坊
172.67.174.38 (美国Cloudflare, Inc.)
200 0.411s 0.107s 0.274s

下载时间:0s

下载大小:0.46KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Cache-Control: max-age=3600
Content-Type: text/html
Content-Length: 466
Connection: close

详情
详情 PING DNS HTTP
电信 河南驻马店
172.67.174.38 (美国Cloudflare, Inc.)
502 2.276s 0.188s 0.219s

下载时间:0.921s

下载大小:6.23KB

下载速度:6.764KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:38 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6383
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e58757810907e-AMS
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
电信 辽宁大连
104.21.55.230 (美国Cloudflare, Inc.)
502 1.541s 0.47s 0.263s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5877fa4f9875-AMS
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=33,cfOrigin;dur=510
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
电信 陕西渭南
172.67.174.38 (美国Cloudflare, Inc.)
502 3.284s 0.154s 1.284s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e587c29911c92-AMS
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:40 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=36,cfOrigin;dur=1550
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
电信 上海
172.67.174.38 (美国Cloudflare, Inc.)
502 2.192s 0.196s 0.229s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5875db067d38-AMS
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:39 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=30,cfOrigin;dur=1503
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
电信 四川广安
104.21.55.230 (美国Cloudflare, Inc.)
502 1.223s 0.256s 0.223s

下载时间:0s

下载大小:6.23KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:38 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6382
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e5875edb1ffff-AMS
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
移动 河南
172.67.174.38 (美国Cloudflare, Inc.)
502 1.917s 0.225s 0.223s

下载时间:0.906s

下载大小:6.23KB

下载速度:6.876KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:39 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6380
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e587a9bb36816-SEA
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
移动 黑龙江
104.21.55.230 (美国Cloudflare, Inc.)
502 1.482s 0.241s 0.234s

下载时间:0.001s

下载大小:6.24KB

下载速度:6240KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:39 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6385
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e58788ae72668-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
移动 青海
104.21.55.230 (美国Cloudflare, Inc.)
502 2.147s 0.144s 1.224s

下载时间:0s

下载大小:6.23KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:43 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6384
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e5896f8fa19ff-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
移动 四川
172.67.174.38 (美国Cloudflare, Inc.)
502 1.038s 0.27s 0.225s

下载时间:0s

下载大小:6.23KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:38 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6379
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e58797fa47538-SEA
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
移动 安徽六安
172.67.174.38 (美国Cloudflare, Inc.)
502 1.019s 0.239s 0.247s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5877ff5a79fd-SEA
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=28,cfOrigin;dur=277
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
移动 福建厦门
104.21.55.230 (美国Cloudflare, Inc.)
0 *s *s *s

下载时间:*s

下载大小:*KB

下载速度:*KB/s

HEAD:

                            
详情
详情 PING DNS HTTP
移动 湖北武汉
172.67.174.38 (美国Cloudflare, Inc.)
502 1.009s 0.203s 0.242s

下载时间:0.001s

下载大小:0.02KB

下载速度:20KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5875fcf3fcac-SEA
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=43,cfOrigin;dur=277
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
移动 辽宁大连
172.67.174.38 (美国Cloudflare, Inc.)
502 4.014s 0.229s 0.264s

下载时间:2.69s

下载大小:6.23KB

下载速度:2.316KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:38 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6379
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e58761d6f7624-SEA
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
移动 云南昆明
172.67.174.38 (美国Cloudflare, Inc.)
502 1.087s 0.294s 0.206s

下载时间:0.001s

下载大小:0.02KB

下载速度:20KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e58766a0f38ba-SEA
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=89,cfOrigin;dur=278
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
移动 浙江丽水
104.21.55.230 (美国Cloudflare, Inc.)
502 1.746s 0.108s 0.012s

下载时间:0.001s

下载大小:0.02KB

下载速度:20KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5875db70755f-SEA
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=35,cfOrigin;dur=279
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
联通 吉林
172.67.174.38 (美国Cloudflare, Inc.)
502 0.94s 0.226s 0.195s

下载时间:0.001s

下载大小:6.23KB

下载速度:6230KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:39 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6384
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e587ad91475a3-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
联通 广西
104.21.55.230 (美国Cloudflare, Inc.)
502 1.906s 0.206s 0.17s

下载时间:0.002s

下载大小:6.23KB

下载速度:3115KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:39 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6384
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e5878df8469af-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
联通 黑龙江
104.21.55.230 (美国Cloudflare, Inc.)
502 0.995s 0.242s 0.215s

下载时间:0.002s

下载大小:6.24KB

下载速度:3120KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:39 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6385
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e587ad91c75a3-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
联通 四川
172.67.174.38 (美国Cloudflare, Inc.)
502 1.032s 0.314s 0.191s

下载时间:0.002s

下载大小:6.24KB

下载速度:3120KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:25:00 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6385
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e58feee180c45-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
联通 青海
172.67.174.38 (美国Cloudflare, Inc.)
502 0.989s 0.234s 0.2s

下载时间:0.001s

下载大小:6.23KB

下载速度:6230KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:49 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6384
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e58be2eab08c9-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
联通 上海
172.67.174.38 (美国Cloudflare, Inc.)
502 0.872s 0.214s 0.168s

下载时间:0.004s

下载大小:6.23KB

下载速度:1557.5KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Date: Fri, 04 Sep 2026 16:24:39 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6384
Connection: keep-alive
Retry-After: 60
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a35e587a6ee1a609-LAX
alt-svc: h3=":443"; ma=86400

详情
详情 PING DNS HTTP
联通 甘肃庆阳
172.67.174.38 (美国Cloudflare, Inc.)
502 1.061s 0.276s 0.216s

下载时间:0.007s

下载大小:0.02KB

下载速度:2.857KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5876d9eacb83-LAX
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=44,cfOrigin;dur=298
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
联通 山西长治
104.21.55.230 (美国Cloudflare, Inc.)
502 0.976s 0.246s 0.189s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5875cf402f41-LAX
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=40,cfOrigin;dur=298
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
联通 陕西渭南
172.67.174.38 (美国Cloudflare, Inc.)
502 0.975s 0.266s 0.187s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5875c88f5708-LAX
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=28,cfOrigin;dur=303
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP
联通 天津
104.21.55.230 (美国Cloudflare, Inc.)
502 0.928s 0.201s 0.2s

下载时间:0s

下载大小:0.02KB

下载速度:0KB/s

HEAD:
HTTP/1.1 502 Bad Gateway
Alt-Svc: h3=":443"; ma=86400
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray: a35e5875b83c583a-LAX
Connection: keep-alive
Content-Length: 16
Content-Type: text/plain; charset=UTF-8
Date: Fri, 04 Sep 2026 16:24:38 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server: cloudflare
Server-Timing: cfEdge;dur=27,cfOrigin;dur=298
X-Frame-Options: SAMEORIGIN
详情
详情 PING DNS HTTP

查询结果仅供参考,不保证100%准确。

njjjedu.cn 优化建议

1、检查服务器配置,排查502错误原因,确保服务稳定运行。
2、优化域名解析,减少解析时间,提升连接效率。
3、更换国内节点,降低访问延迟,提高响应速度。
4、调整网络传输设置,优化数据下载速度和稳定性。
5、定期进行网站性能监测,及时发现并解决问题。

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更新时间 2026-09-05 04:24:02
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