WWW.SEMRUSH.COM 网站分析
访问网站 www.semrush.com 时发生错误
我们在尝试访问网站 www.semrush.com 的以下 URL 地址时遇到错误：
- HTTP 0 http://www.semrush.com/
- HTTP 0 https://www.semrush.com/
当遇到 HTTP 状态代码 0 时，表示无法通过 HTTP(s) 与服务器建立通信。如果这涉及您的网站，请检查网站是否在线以及 DNS 解析是否配置正确。此外，如果配置了 SSL 证书，请验证 HTTPS 证书是否有效。
以下内容展示了我们服务器在 2024-05-07 缓存的部分历史分析数据。由于我们的机器人无法访问此网站，数据可能不完整或已过时，仅供您参考。
基本信息
页面信息
标题:
未知
长度: 0 字符; 最佳长度: 10 ~ 60 字符
Meta 关键词:
未知
长度: 0 字符; 最佳长度: 10 ~ 255 字符
Meta 描述信息:
未知
长度: 0 字符; 最佳长度: 50 ~ 160 字符
H1 Tag:
未知
长度: 0 字符
内部链接:
0 (0 nofollow)
外部链接:
0 (0 nofollow)
建站技术
HTTP Head 分析
HTTP 协议采用了请求与响应模型，通过 HTTP Header 定义了 HTTP 传输过程中的必要参数。 浏览器（例如 Internet Explorer, Google Chrome, Firefox 等）并不会显示 HTTP header 字段的内容，下面是网站 www.semrush.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Server: nginx
Date: Tue, 07 May 2024 08:39:29 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Vary: Accept-Encoding
Referrer-Policy: same-origin
Cross-Origin-Opener-Policy: same-origin-allow-popups
X-Service-Response-Time: 0.01524
Content-Language: en
X-Service: index
Server-Timing: service;dur=16.24486, backend;dur=33.93221
Set-Cookie: PHPSESSID=07a7968ba518757faa6399c7fd5256bc; Path=/; Domain=semrush.com; Expires=Wed, 08 May 2024 08:39:29 GMT; HttpOnly; Secure
Set-Cookie: SSO-JWT=eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIwN2E3OTY4YmE1MTg3NTdmYWE2Mzk5YzdmZDUyNTZiYyIsImlhdCI6MTcxNTA3MTE2NCwiaXNzIjoic3NvIn0.N62BCg1RAV0TIX3mxN6kW6VrUjkDQaWfhDyndMAMMYdXUloXeJafLQGF72BJuclm7fHZ8bDVHaf80z--2Qc_EA; Path=/; Domain=semrush.com; Expires=Wed, 08 May 2024 08:39:29 GMT; HttpOnly; Secure
sm-log-id: flb-6db29764ee081cf6dcd28f2f8eb5ad18
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Cache-Control: no-cache
Strict-Transport-Security: max-age=31536000; includeSubdomains; preload
Content-Encoding: br
Via: 1.1 google
Set-Cookie: GCLB=CObmrpb3_eq3xgEQAw; path=/; HttpOnly; expires=Wed, 08-May-2024 08:39:29 GMT
Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
Server: nginx
Date: Tue, 07 May 2024 08:39:29 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Vary: Accept-Encoding
Referrer-Policy: same-origin
Cross-Origin-Opener-Policy: same-origin-allow-popups
X-Service-Response-Time: 0.01524
Content-Language: en
X-Service: index
Server-Timing: service;dur=16.24486, backend;dur=33.93221
Set-Cookie: PHPSESSID=07a7968ba518757faa6399c7fd5256bc; Path=/; Domain=semrush.com; Expires=Wed, 08 May 2024 08:39:29 GMT; HttpOnly; Secure
Set-Cookie: SSO-JWT=eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIwN2E3OTY4YmE1MTg3NTdmYWE2Mzk5YzdmZDUyNTZiYyIsImlhdCI6MTcxNTA3MTE2NCwiaXNzIjoic3NvIn0.N62BCg1RAV0TIX3mxN6kW6VrUjkDQaWfhDyndMAMMYdXUloXeJafLQGF72BJuclm7fHZ8bDVHaf80z--2Qc_EA; Path=/; Domain=semrush.com; Expires=Wed, 08 May 2024 08:39:29 GMT; HttpOnly; Secure
sm-log-id: flb-6db29764ee081cf6dcd28f2f8eb5ad18
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Cache-Control: no-cache
Strict-Transport-Security: max-age=31536000; includeSubdomains; preload
Content-Encoding: br
Via: 1.1 google
Set-Cookie: GCLB=CObmrpb3_eq3xgEQAw; path=/; HttpOnly; expires=Wed, 08-May-2024 08:39:29 GMT
Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
DNS 记录分析
DNS 域名系统（Domain Name System，缩写）是 Internet 的一项基础服务。它作为将域名和IP地址相互映射的一个分布式数据库，能够使人更方便地访问互联网。semrush.com 当前共有 19 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| semrush.com | A | 600 | ||
| semrush.com | NS | 21600 | ||
| semrush.com | NS | 21600 | ||
| semrush.com | NS | 21600 | ||
| semrush.com | NS | 21600 | ||
| semrush.com | SOA | 21600 | expire: 259200 serial: 1 | |
| semrush.com | MX | 600 | pri: 10 | |
| semrush.com | MX | 600 | pri: 1 | |
| semrush.com | MX | 600 | pri: 5 | |
| semrush.com | MX | 600 | pri: 5 | |
| semrush.com | MX | 600 | pri: 10 | |
| semrush.com | TXT | google-site-verification=ZggD_aUD-jtaj118dkluFZgsDIf-_ks6aV8bEI7rOLk | 600 | |
| semrush.com | TXT | v=spf1 mx include:_spf.google.com include:spf.mandrillapp.com include:mktomail.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:192.243.55.0/24 include:_spf.salesforce.com ~all | 600 | |
| semrush.com | TXT | google-site-verification=0fi-TYpzPeD1GbaE-XCVBDHbpfciG903iwRs3QSxwd0 | 600 | |
| semrush.com | TXT | facebook-domain-verification=6zt69ggysiztnc3tk714d886fs3t3s | 600 | |
| semrush.com | TXT | amazonses:qOSt0psxaU7JhHFJwm60EGwvr2taIB1swqbz/LDhhMk= | 600 | |
| semrush.com | TXT | google-site-verification=Jdyk-VWECYqQ7-puXdoLoGp7U629HhAnurYQcRavu90 | 600 | |
| semrush.com | TXT | google-site-verification=N92wr1UtG9CBIK7ZKs-RPz5BK6hi5Wnd8IjOAzqy63s | 600 | |
| semrush.com | TXT | google-site-verification=Snl4HtfqFmAGr_Z35GevldSlWXA3Vy_h9Na6zptePlo | 600 |