DAN.HERSAM.COM 网站分析

基本信息

服务器:
nginx
城市:

搜索引擎收录信息

必应:
谷歌:

页面信息

标题:
Local Docker Port Exposed
长度: 25 字符; 最佳长度: 10 ~ 60 字符
Meta 描述信息:
If you’re using docker with ufw (Ubuntu Firewall), your local ports may be exposed to the outside world. I recently read about this issue and when I checked, sure enough, the local ports of all of my docker containers were readily accessible. It felt like being caught with my fly down. Why in the world […]
长度: 307 字符; 最佳长度: 50 ~ 160 字符

The length of your meta description seems to be outside the recommended range. Ideally, a META DESCRIPTION should be between 50 and 160 characters, including spaces.

A meta description tag serves as a concise and informative summary of a web page's content, aiming to engage and inform users about the page's topic.

Google relies on the actual content of the page to generate a snippet for search results, but it may also utilize the meta description for a more descriptive representation of the page.

Meta descriptions act as a compelling pitch to persuade users that the page aligns with their search intent. While there's no strict character limit, Google truncates the snippet in search results as necessary to fit the device's width.

Best practices for Meta Descriptions

  • Length: Maintain a description length of 50-160 characters to ensure optimal visibility in search results.
  • Uniqueness: Craft unique descriptions for each page on your website to differentiate their purposes and content.
  • Accuracy: Create descriptions that precisely depict the specific content and purpose of the page.
  • Keywords: Ensure that each web page has a unique meta description containing important keywords relevant to the page's content.
Meta 关键词:
dan hersam, web log, blog, linux, jaden, web design, web hosting, reviews, software engineer, funny lists, humor, web browsers, productivity
长度: 140 字符; 最佳长度: 10 ~ 255 字符
H1标签:
长度: 0 字符; 最佳长度: 10 ~ 255 字符

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.

建站技术

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

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 dan.hersam.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Server: nginx
Date: Sat, 13 Dec 2025 21:20:00 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 8740
Connection: keep-alive
Vary: Accept-Encoding, Cookie
Cache-Control: max-age=600, stale-while-revalidate=100
Content-Encoding: gzip
Last-Modified: Sat, 13 Dec 2025 20:57:34 GMT
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff

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。hersam.com 当前共有 7 项 DNS 记录。
主机 类型 IP/目标 生存时间 扩充信息
hersam.comA300
hersam.comNS21600
hersam.comNS21600
hersam.comSOA1800expire: 604800
serial: 2390501972
hersam.comMX300pri: 10
hersam.comMX300pri: 20
hersam.comTXT
v=spf1 include:spf.messagingengine.com -all
300