practutor.com 网站分析
practutor.com - 基本信息
服务器:
nginx/1.10.3 (Ubuntu)
IP:
未知城市:
未知practutor.com - 页面信息
标题:
Common Core Math and English Learning and Practice for K8 StudentsMeta 关键词:
Adaptive Math, Adaptive English, Smarter Balanced Assessment Consortium, PARCC Practice, SBAC Practice, PARCC Learning, SBAC Learning, PARCC Testing, SBAC Testing, Common Core, Online Math Practice, Online English Practice, Help on Math, Help in English, Online Math Learning, Online English Learning, Math for Kids, English for Kids, Elementary Math, Elementary English, K-8 Math and English Practice, Common Core Math, Common Core ELAMeta 描述信息:
PracTutor Education Portal Offers Personalized Learning, Fun Way to Learn, practice and master English and Math.H1:
Improve your students' Math/ELA results内部链接:
27 (0 nofollow)外部链接:
17 (0 nofollow)practutor.com - 建站技术
服务器:
nginx/1.10.3 (Ubuntu)
SSL 安全:
不可用robots.txt:
不可用XML 站点地图:
不可用Gzip 压缩:
有效favicon.ico:
不可用practutor.com - 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 practutor.com 的 HTTP header 信息:
HTTP/1.1 301 Moved Permanently
Server: nginx/1.10.3 (Ubuntu)
Date: Fri, 13 May 2022 08:36:06 GMT
Content-Type: text/html
Content-Length: 194
Connection: keep-alive
Location: https://www.practutor.com/
Strict-Transport-Security: max-age=31536000
HTTP/1.1 200 OK
Server: nginx/1.10.3 (Ubuntu)
Date: Fri, 13 May 2022 08:36:06 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000
Content-Encoding: gzip
Server: nginx/1.10.3 (Ubuntu)
Date: Fri, 13 May 2022 08:36:06 GMT
Content-Type: text/html
Content-Length: 194
Connection: keep-alive
Location: https://www.practutor.com/
Strict-Transport-Security: max-age=31536000
HTTP/1.1 200 OK
Server: nginx/1.10.3 (Ubuntu)
Date: Fri, 13 May 2022 08:36:06 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000
Content-Encoding: gzip
practutor.com - 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。practutor.com 当前共有 6 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| practutor.com | A | 86400 | ||
| practutor.com | MX | 21600 | pri: 10 | |
| practutor.com | NS | 86400 | ||
| practutor.com | NS | 86400 | ||
| practutor.com | SOA | 21600 | expire: 604800 serial: 2015073076 | |
| practutor.com | TXT | v=spf1 include:sendgrid.net mx ip4:54.243.236.234 ~all | 21600 |