BICHVAN.VN 網站分析

搜索引擎收錄信息

必應:
Google:

頁面信息

標題:
Tổng Đại Lý Cấp 1 Nhà Phân Phối Ống Nhựa Tiền Phong
長度: 51 字元; 最佳長度: 10 ~ 60 字元
Meta 描述信息:
CÔNG TY BÍCH VÂN| Tổng đại lý cấp 1,Nhà phân phối - cung cấp ống nước nhựa Tiền Phong và phụ kiện các loại (uPVC,HDPE, PPR,PVC) 0906 066 757/0903 212 757
長度: 153 字元; 最佳長度: 50 ~ 160 字元
Meta 關鍵詞:
nhựa tiền phong, vòi nước, ống nhựa, ống nước,ong nhua hdpe,ong nhua upvc, ống nhựa tiền phong, ong nhua tien phong, ống nhựa HDPE, ống PPR tiền phong, phụ kiện ống HDPE, phụ kiện ống PPR, phụ kiện ống PVC, ống nhựa PVC, ống hdpe
長度: 229 字元; 最佳長度: 10 ~ 255 字元
H1標籤:
長度: 0 字元; 最佳長度: 10 ~ 255 字元

Your page does not include an H1 tag.

The H1 tag in HTML is the main headline users see first when a page loads. It conveys the page's topic, enticing visitors to read further. H1 tags are crucial for SEO, user experience, and accessibility. They distinguish the main title on a webpage, aiding search engines and users in understanding the content.

Here are best practices for H1 tags

  • Use H1 tags for page titles.
  • Limit to one H1 tag per page.
  • Keep H1 tags short and concise.
  • Structure headings hierarchically.
  • Include your main keyword.
  • Ensure H1 tags are engaging.

建站技術

服務器:
Apache/2
伺服器 Apache 的版本號為 2。為了伺服器安全,我們建議您隱藏伺服器軟件的版本信息。 更多詳情»
SSL 安全:
有效
robots.txt:
不可用
XML 站點地圖:
不可用
Gzip 壓縮:
有效
favicon.ico:
不可用

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bichvan.vn 的HTTP header 信息:
HTTP/1.1 200 OK
Date: Sun, 08 Jun 2025 11:27:55 GMT
Server: Apache/2
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: PHPSESSID=g7ho4uo0cufmkl1kiuh37j8m41; path=/
Set-Cookie: ci_session=a%3A4%3A%7Bs%3A10%3A%22session_id%22%3Bs%3A32%3A%2293fdd6beabf5256df5256320b9f5fa89%22%3Bs%3A10%3A%22ip_address%22%3Bs%3A13%3A%2297.107.129.85%22%3Bs%3A10%3A%22user_agent%22%3Bs%3A50%3A%22Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWeb%22%3Bs%3A13%3A%22last_activity%22%3Bs%3A10%3A%221749382075%22%3B%7D778fb83b458240f05aad454497425a55; expires=Sun, 08-Jun-2025 13:27:55 GMT; Max-Age=7200; path=/
Upgrade: h2,h2c
Connection: Upgrade, Keep-Alive
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Content-Length: 23514
Keep-Alive: timeout=2, max=100
Content-Type: text/html; charset=utf-8

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。 bichvan.vn 當前共有 7 項 DNS 記錄。
主機 類型 IP/目標 TTL 擴充資訊
bichvan.vnA3600
bichvan.vnNS3600
bichvan.vnNS3600
bichvan.vnSOA3600expire: 604800
serial: 2021082118
bichvan.vnMX3600pri: 10
bichvan.vnMX3600pri: 20
bichvan.vnTXT
google-site-verification=4aW6gPfVojk-NYwvdOJqZoUceqtmUgyHf0XW1u5nDQU
3600