www.avast.com 网站分析

www.avast.com - 基本信息

www.avast.com - 搜索引擎收录信息

百度:
Bing:
Google:

www.avast.com - 页面信息

标题:
Avast | Download Free Antivirus & VPN | 100% Free & Easy
长度: 56 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:
Join 435 million others and get award-winning free antivirus for PC, Mac & Android. Surf safely & privately with our VPN. Download Avast today!
长度: 143 字符; 最佳长度: 50 ~ 160 字符
H1:
Free antivirus is your first step to online freedom
长度: 51 字符
内部链接:
134 (0 nofollow)
外部链接:
56 (0 nofollow)

www.avast.com - 建站技术

服务器:
AkamaiGHost
SSL 安全:
有效
robots.txt:
XML 站点地图:
不可用
Gzip 压缩:
有效
favicon.ico:

www.avast.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 www.avast.com 的 HTTP header 信息:
HTTP/1.1 302 Moved Temporarily
Server: AkamaiGHost
Content-Length: 0
Location: https://www.avast.com/en-us/index
Date: Sat, 20 Jun 2020 22:37:52 GMT
Connection: keep-alive
Set-Cookie: avastComLocale=en-us; expires=Mon, 31-Dec-2038 23:59:59 GMT; path=/
Server-Timing: cdn-cache; desc=HIT
Server-Timing: edge; dur=1

HTTP/1.1 200 OK
Server: nginx
Content-Type: text/html; charset=utf-8
Last-Modified: Sat, 20 Jun 2020 22:02:15 GMT
ETag: "5eee8767-20c9a"
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
X-Akamai-Transformed: 9 - 0 pmb=mRUM,1
Date: Sat, 20 Jun 2020 22:37:52 GMT
Content-Length: 26797
Connection: keep-alive
Server-Timing: cdn-cache; desc=HIT
Server-Timing: edge; dur=1

www.avast.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。avast.com 当前共有 28 项 DNS 记录。
主机 类型 IP/目标 TTL 扩充信息
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comA3600
avast.comMX3600pri: 200
avast.comMX3600pri: 300
avast.comMX3600pri: 200
avast.comMX3600pri: 300
avast.comMX3600pri: 5
avast.comMX3600pri: 300
avast.comMX3600pri: 100
avast.comMX3600pri: 1000
avast.comMX3600pri: 300
avast.comNS874
avast.comNS874
avast.comNS874
avast.comNS874
avast.comSOA3600expire: 1209600
serial: 2016090102
avast.comTXT
MS=ms83449032
3600
avast.comTXT
v=spf1 ip4:108.177.8.0/21 ip4:172.217.0.0/19 ip4:173.194.0.0/16 ip4:192.40.168.0/21 ip4:195.74.76.111 ip4:207.126.144.0/20 ip4:208.43.71.130 ip4:208.43.71.132 ip4:208.43.71.133 ip4:208.43.71.134 ip4:208.43.71.135 include:spf1.avast.com ~all
3600
avast.comTXT
google-site-verification=wXhHcPLyNGZg9tIyvMEDOnuG7XGFhjDjDvLKQqWEgeo
3600