WWW.RC.UMD.EDU 网站分析

基本信息

搜索引擎收录信息

必应:
谷歌:

页面信息

标题:
Home | Romantic Circles
长度: 23 字符; 最佳长度: 10 ~ 60 字符
Meta 描述信息:
长度: 0 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:
长度: 0 字符; 最佳长度: 10 ~ 255 字符

The length of your meta keywords seems to be outside the recommended range. Ideally, a meta keywords should be between 10 and 255 characters, including spaces.

Meta keywords are a specific type of meta tag that appear in the HTML code of a web page. They provide information to search engines about the topic of the page. Meta keywords were once used to help rank web pages in search engine results. However, due to the abuse by webmasters and marketers, Google claims to have stopped using them more than a decade ago. Despite this, there are still reasons to consider using meta keywords:

  • Uncertain Impact on Google's Algorithm: While Google devalued meta keywords, it is uncertain if they were entirely removed from its ranking algorithm. Google keeps its ranking algorithms top secret to deter people from gaming the system.
  • Other Search Engines and CMS: Other search engines like Yandex, Baidu, and Naver may still use meta keywords. Additionally, some internal CMS search systems, such as SOLR and Algolia, also utilize the meta keywords tag.

Best practices for Meta Keywords

  • Relevance is Key: It is crucial to choose keywords that accurately reflect the content of your page.
  • Keep it Limited: It is generally recommended not to exceed more than 10 meta keywords for a single page. Also, the content length should not exceed 255 characters (including spaces).
  • Consider Long-Tail Keywords: Long-tail keywords are more specific and longer phrases that target a niche audience. These keywords can be highly effective in driving targeted traffic to your website.

Remember, meta keywords are just one aspect of search engine optimization (SEO), and search engines now place less emphasis on them compared to other factors. However, by following these best practices, you can still optimize your meta keywords effectively and improve the visibility of your web pages.

H1标签:
Home
长度: 4 字符; 最佳长度: 10 ~ 255 字符

The length of your H1 tag seems to be outside the recommended range. Ideally, an H1 tag should be between 10 and 255 characters, including spaces, and remember to use only one H1 tag per page.

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:
不可用
XML 站点地图:
不可用
Gzip 压缩:
有效
favicon.ico:
不可用

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.rc.umd.edu 的 HTTP header 信息:
HTTP/1.1 200 OK
Server: nginx
Date: Sun, 10 Aug 2025 01:34:50 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: must-revalidate, no-cache, private
X-Drupal-Dynamic-Cache: MISS
Content-language: en
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Expires: Sun, 19 Nov 1978 05:00:00 GMT
X-Generator: Drupal 10 (https://www.drupal.org)
X-Drupal-Cache: HIT
Vary: Accept-Encoding
Content-Encoding: gzip
X-Request-ID: v-35477a08-758a-11f0-8ce0-670676a78a8a
X-AH-Environment: prod
Age: 0
Via: varnish
X-Cache: MISS
Accept-Ranges: bytes

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。umd.edu 当前共有 73 项 DNS 记录。
主机 类型 IP/目标 生存时间 扩充信息
umd.eduA13
umd.eduNS11419
umd.eduNS11419
umd.eduNS11419
umd.eduSOA14400expire: 2419200
serial: 2847046843
umd.eduMX2238pri: 20
umd.eduMX2238pri: 20
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v=spf1 exists:%{ir}.%{v}._spf.umd_spf.aws.umd.edu include:_spf.salesforce.com ~exists:%{ir}.%{v}.x._spf.umd_spf.aws.umd.edu ip4:68.232.142.226 ip4:68.232.131.46 ip4:216.71.149.111 ip4:216.71.149.190 ip4:68.232.143.84 ip4:68.232.137.73 ip4:216.71.140.161 ip4:216.71.140.163 ip4:128.8.162.133 ip4:128.8.15.34 ip4:128.8.13.14 ip4:128.8.162.94 ip4:209.164.1.194 ip4:54.144.73.133 ip4:54.172.225.123 ip4:168.245.25.116 include:_spf.umd.edu include:_spf.google.com a:c.spf.service-now.com ~all
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