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工具简介
d-chem-lab.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d-chem-lab.cn2026-10-01 00:31:21
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 (0) 服务器故障,处理请求时内部出错无法访问 无法访问 (0)
区域/运营商 响应最快 响应最慢 平均响应
全部 安徽合肥电信0.056s 贵州黔南布依族苗族自治州移动5.157s 0.339s
电信 安徽合肥电信0.056s 天津电信0.557s 0.187s
移动 山西长治移动0.086s 贵州黔南布依族苗族自治州移动5.157s 0.69s
联通 上海联通0.072s -0.429s 0.19s
华东 安徽合肥电信0.056s 江苏淮安联通0.352s 0.129s
华北 山西长治移动0.086s 天津电信0.557s 0.231s
华南 广西南宁电信0.128s 海南海口联通0.178s 0.147s
华中 湖北武汉移动0.088s 湖南长沙移动0.308s 0.161s
西北 陕西西安电信0.13s 新疆乌鲁木齐电信0.278s 0.179s
西南 重庆联通0.157s 贵州黔南布依族苗族自治州移动5.157s 1.42s
东北 辽宁大连电信0.13s -0.429s 0.26s
解析占比
全部 电信 移动 联通 被污染
121.42.71.49
121.42.71.49
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 黑龙江
121.42.71.49 (山东青岛阿里云)
200 0.22s 0.071s 0.05s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 30 Sep 2026 16:30:15 GMT
Content-Type: text/html
详情
详情 PING DNS HTTP
电信 安徽合肥
121.42.71.49 (山东青岛阿里云)
200 0.056s 0.016s 0.018s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 广西南宁
121.42.71.49 (山东青岛阿里云)
200 0.128s 0.046s 0.04s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 贵州黔南布依族苗族自治州
121.42.71.49 (山东青岛阿里云)
200 0.172s 0.063s 0.053s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 湖北襄阳
121.42.71.49 (山东青岛阿里云)
200 0.123s 0.064s 0.028s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 湖南长沙
121.42.71.49 (山东青岛阿里云)
200 0.126s 0.061s 0.031s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 辽宁大连
121.42.71.49 (山东青岛阿里云)
200 0.13s 0.066s 0.03s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 陕西西安
121.42.71.49 (山东青岛阿里云)
200 0.13s 0.077s 0.025s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 天津
121.42.71.49 (山东青岛阿里云)
200 0.557s 0.501s 0.033s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 新疆乌鲁木齐
121.42.71.49 (山东青岛阿里云)
200 0.278s 0.161s 0.057s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
电信 浙江温州
121.42.71.49 (山东青岛阿里云)
200 0.134s 0.075s 0.028s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 贵州黔南布依族苗族自治州
121.42.71.49 (山东青岛阿里云)
200 5.157s 5.056s 0.049s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:20 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 湖北武汉
121.42.71.49 (山东青岛阿里云)
200 0.088s 0.039s 0.023s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 湖南长沙
121.42.71.49 (山东青岛阿里云)
200 0.308s 0.03s 0.035s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 内蒙古阿拉善盟
121.42.71.49 (山东青岛阿里云)
200 0.153s 0.086s 0.031s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 30 Sep 2026 16:30:15 GMT
Content-Type: text/html
Content-Length: 12880
Connection: keep-alive
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
ETag: "1c1-19077-5e8fedc5d6a00"
Accept-Ranges: bytes
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip

详情
详情 PING DNS HTTP
移动 宁夏银川
121.42.71.49 (山东青岛阿里云)
200 0.13s 0.053s 0.036s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 山东滨州
121.42.71.49 (山东青岛阿里云)
200 0.105s 0.058s 0.019s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 山西长治
121.42.71.49 (山东青岛阿里云)
200 0.086s 0.035s 0.024s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 上海
121.42.71.49 (山东青岛阿里云)
200 0.097s 0.041s 0.026s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
移动 浙江杭州
121.42.71.49 (山东青岛阿里云)
200 0.089s 0.022s 0.031s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
联通 四川
121.42.71.49 (山东青岛阿里云)
200 0.192s 0.086s 0.048s

下载时间:0.001s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 30 Sep 2026 16:30:35 GMT
Content-Type: text/html
详情
详情 PING DNS HTTP
联通 黑龙江
121.42.71.49 (山东青岛阿里云)
200 0.429s 0.352s 0.035s

下载时间:0.003s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 30 Sep 2026 16:30:16 GMT
Content-Type: text/html
详情
详情 PING DNS HTTP
联通 福建厦门
121.42.71.49 (山东青岛阿里云)
200 0.149s 0.063s 0.04s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 30 Sep 2026 16:30:15 GMT
Content-Type: text/html
Content-Length: 12880
Connection: keep-alive
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
ETag: "1c1-19077-5e8fedc5d6a00"
Accept-Ranges: bytes
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip

详情
详情 PING DNS HTTP
联通 广东深圳
121.42.71.49 (山东青岛阿里云)
200 0.136s 0.051s 0.041s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
联通 海南海口
121.42.71.49 (山东青岛阿里云)
200 0.178s 0.076s 0.049s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
联通 江苏淮安
121.42.71.49 (山东青岛阿里云)
200 0.352s 0.111s 0.037s

下载时间:0.084s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:31 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
联通 山西临汾
121.42.71.49 (山东青岛阿里云)
200 0.129s 0.081s 0.023s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
联通 上海
121.42.71.49 (山东青岛阿里云)
200 0.072s 0.031s 0.018s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
联通 浙江温州
121.42.71.49 (山东青岛阿里云)
200 0.105s 0.044s 0.028s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP
联通 重庆
121.42.71.49 (山东青岛阿里云)
200 0.157s 0.079s 0.038s

下载时间:0s

下载大小:0KB

下载速度:0KB/s

HEAD:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: keep-alive
Content-Encoding: gzip
Content-Length: 12880
Content-Type: text/html
Date: Wed, 30 Sep 2026 16:30:15 GMT
Etag: "1c1-19077-5e8fedc5d6a00"
Last-Modified: Mon, 19 Sep 2022 02:56:40 GMT
Server: nginx
Vary: Accept-Encoding,User-Agent
详情
详情 PING DNS HTTP

查询结果仅供参考,不保证100%准确。

d-chem-lab.cn 优化建议

1、建议优先优化DNS解析耗时,多数响应中DNS耗时占比超过40%,个别异常请求解析耗时达到5秒以上,建议启用权威解析并部署多节点,可结合网站速度检测与网址测速持续观察解析性能。
2、当前所有请求均返回成功状态且指向同一节点,但连接建立耗时波动明显,建议合并静态资源并启用长连接复用,利用节点测速与网页打开速度测试进一步缩短请求往返链路。
3、整体响应时间控制在0.2秒内表现稳定,个别场景因解析波动导致缓慢,建议配置智能DNS调度和本地缓存策略,通过在线网站检测工具及网站访问测速周期验证优化效果。

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更新时间 2026-10-01 05:47:02
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