www.avast.com 網站分析

www.avast.com - 基本信息

www.avast.com - 搜索引擎收錄信息

百度:
Bing:
Google:

www.avast.com - 頁面信息

標題:
Avast | Download Free Antivirus & VPN | 100% Free & Easy
長度: 56 字元; 最佳長度: 10 ~ 60 字元
Meta 關鍵詞:
未知
長度: 0 字元; 最佳長度: 10 ~ 255 字元
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!
長度: 143 字元; 最佳長度: 50 ~ 160 字元
H1:
Free antivirus is your first step to online freedom
長度: 51 字元
內部鏈接:
134 (0 nofollow)
外部鏈接:
53 (0 nofollow)

www.avast.com - 建站技術

服務器:
AkamaiGHost
SSL 安全:
有效
robots.txt:
XML 站點地圖:
不可用
Gzip 壓縮:
有效
favicon.ico:

www.avast.com - HTTP Head 分析

HTTP 協議採用了請求與響​​應模型,通過HTTP Header 定義了HTTP 傳輸過程中的必要參數。瀏覽器(例如​​Internet Explorer, Google Chrome, Firefox 等)並不會顯示HTTP header 字段的內容,下面是網站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 22:37:50 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 22:37:50 GMT
Content-Length: 26791
Connection: keep-alive
Server-Timing: cdn-cache; desc=HIT
Server-Timing: edge; dur=1

www.avast.com - DNS 記錄分析

DNS 域名系統(Domain Name System,縮寫)是Internet 的一項基礎服務。它作為將域名和 IP 位址相互映射的一個分佈式數據庫,能夠使人更方便的訪問互聯網。 avast.com 當前共有 28 項 DNS 記錄。
主機 類型 IP/目標 TTL 擴充資訊
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