DORNSIFE.USC.EDU 网站分析

搜索引擎收录信息

必应:
谷歌:

页面信息

标题:
USC Dana and David Dornsife College of Letters, Arts and Sciences
长度: 65 字符; 最佳长度: 10 ~ 60 字符

HTML 标题标签是页面 SEO 最重要的元素之一,出现在搜索结果、浏览器选项卡和书签中。

您的标题标签似乎不符合理想长度。

Google 的搜索结果会截断超过 60 个字符的标题;Bing 的搜索结果会截断超过 70 个字符的标题。

以下是元标题的最佳做法:

  • 标题长度保持在 10-60 个字符之间。
  • 使关键字/关键短语显而易见
  • 融入相关的有力词语
  • 清晰简洁
Meta 描述信息:
University of Southern California
长度: 33 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:
Stand Out
长度: 9 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:
XML 站点地图:
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 dornsife.usc.edu 的 HTTP header 信息:
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 102554
Cache-Control: public, max-age=3600
Content-Encoding: gzip
Content-Type: text/html; charset=UTF-8
Link: ; rel="https://api.w.org/"
Link: ; rel="alternate"; title="JSON"; type="application/json"
Link: ; rel=shortlink
Server: nginx
X-Pantheon-Styx-Hostname: styx-us-a-585b48f5c5-kmwhg
X-Styx-Req-Id: 8bf03e95-3f65-11f1-bf18-c298de038eba
Age: 2747
Accept-Ranges: bytes
Via: 1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
Strict-Transport-Security: max-age=300
X-Frame-Options: SAMEORIGIN
Date: Thu, 23 Apr 2026 23:27:07 GMT
X-Served-By: cache-chi-kigq8000140-CHI, cache-iad-kcgs7200094-IAD, cache-iad-kiad7000027-IAD, cache-iad-kiad7000027-IAD
X-Cache: HIT, HIT, MISS, MISS
X-Cache-Hits: 8, 31, 0, 0
X-Timer: S1776986828.858361,VS0,VE11
Vary: Accept-Encoding, Cookie, Cookie

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。usc.edu 当前共有 41 项 DNS 记录。
主机 类型 IP/目标 生存时间 扩充信息
usc.eduA10
usc.eduNS21600
usc.eduNS21600
usc.eduSOA3600expire: 360000
serial: 703877744
usc.eduMX504pri: 50
usc.eduMX504pri: 50
usc.eduTXT
71MB6F28FTH9N79MPH1TN49H6E
3600
usc.eduTXT
e2ma-verification=t5egb
3600
usc.eduTXT
e2ma-verification=31b
3600
usc.eduTXT
box-domain-verification=3430746f12c99e884185c424a68a8074130e28056a6c457bbe05730d945ed270
3600
usc.eduTXT
docusign=b64b37c7-7a9d-4b6d-9093-07e862bada10
3600
usc.eduTXT
SFMC-amtHrwXeF3C5rm2Ha9E3H_dpDHSLFtemkbvrt-wI
3600
usc.eduTXT
apple-domain-verification=f8jvjXpxkZuZImoG
3600
usc.eduTXT
MS=ms20859340
3600
usc.eduTXT
google-site-verification=2Z-mrJy4KQmEzVpdrZOonGhzDjNR6vC44p-NG6ks0Bw
3600
usc.eduTXT
3b3ivpda2f10se3nn7olfrfucj
3600
usc.eduTXT
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
3600
usc.eduTXT
openai-domain-verification=dv-jiiDIH1uxImkWv50c2smvCIs
3600
usc.eduTXT
atlassian-domain-verification=oLsWbvIwAA0zKHIxnOG4nKuc6JJRY91TD/04xw1nbNohMNkiiBfaTxs8ZeneC4f6
3600
usc.eduTXT
e2ma-verification=jafgb
3600
usc.eduTXT
google-site-verification=7jISKLgSY6Xj9zt1ZjvoVsHZvOMpGjgzih8xn6sDoXA
3600
usc.eduTXT
ecee88b3-e854-43c4-936d-f88a3eabc95a
3600
usc.eduTXT
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3600
usc.eduTXT
docusign=0e8d546c-c2fe-412d-be88-b3c7fc36e4e9
3600
usc.eduTXT
cisco-ci-domain-verification=4c96d65a1a9921efe23d594af51d2534c089b7ac61d461b7a98cee05286f7030
3600
usc.eduTXT
atlassian-domain-verification=kSvetIKe/diM5FGbD37dFnvsdAGwPgNFtgM/1L2RoLFZeXaHp85HV/7TZ2PwsyX3
3600
usc.eduTXT
amazonses:pdFwTbWzxT9aEG1QWjQIN1JQ2Nde7PSWZbDNYgLiJII=
3600
usc.eduTXT
brevo-code:c8ebd56e46efa8226729d35478a57103
3600
usc.eduTXT
apple-domain-verification=r8UAnaLgMQbbCPYH
3600
usc.eduTXT
pardot_137301_*=65e54b29681de123cb44a1079735eb760ede531320b27768f921b2fe7a59efa0
3600
usc.eduTXT
e2ma-verification=f2fgb
3600
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dropbox-domain-verification=q9fk5cnf7e8z
3600
usc.eduTXT
asv=1147b35e22e2230f3e7ed7ef96d0b3cb
3600
usc.eduTXT
pardot_137301_*=10c850f0ce73fd1f680c3edc78532b93f96e586561ff743a37eec44f63731125
3600
usc.eduTXT
teamviewer-sso-verification=65d375c2d6374c5a991d77de3d1949a0
3600
usc.eduTXT
google-site-verification=nojeOyc6lI8uv7PtvYD47Elxa4EAw8unfUWjovYIfOQ
3600
usc.eduTXT
e2ma-verification=vffgb
3600
usc.eduTXT
hpe-greenlake-domain-verification=4d42657379582d505849316c4355583579776d497658643764525a6372344334
3600
usc.eduTXT
e2ma-verification=5gfgb
3600
usc.eduAAAA
2620:12a:8000::3
10
usc.eduAAAA
2620:12a:8001::3
10