This Registry database contains ONLY .EDU domains. The data in the EDUCAUSE Whois database is provided by EDUCAUSE for information purposes in order to assist in the process of obtaining information about or related to .edu domain registration records. The EDUCAUSE Whois database is authoritative for the .EDU domain. A Web interface for the .EDU EDUCAUSE Whois Server is available at: http://whois.educause.edu By submitting a Whois query, you agree that this information will not be used to allow, enable, or otherwise support the transmission of unsolicited commercial advertising or solicitations via e-mail. The use of electronic processes to harvest information from this server is generally prohibited except as reasonably necessary to register or modify .edu domain names. ------------------------------------------------------------- Domain Name: HARVARD.EDU Registrant: Harvard University Massachusetts Hall Cambridge, MA 02138 USA Administrative Contact: Benjamin Dash Harvard University 784 Memorial Drive Cambridge, MA 02138 USA +1.6174955708 [email protected] Technical Contact: Network Operations Harvard University HUIT Network Services 60 Oxford Street Cambridge, MA 02139 USA +1.6174955708 [email protected] Name Servers: A16-64.AKAM.NET A1-171.AKAM.NET A10-66.AKAM.NET A7-65.AKAM.NET A11-67.AKAM.NET A6-66.AKAM.NET Domain record activated: 27-Jun-1985 Domain record last updated: 04-Jun-2026 Domain expires: 31-Jul-2027
搜索引擎优化审核
🔍
技术搜索引擎优化
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响应代码
200
状态 200 正常 - 页面加载正确。
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字符编码
Page: utf-8, Header: utf-8
HTML 和标头之间的字符编码一致。
✓
页面尺寸
77208 bytes
页面大小可以接受快速加载。
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资源
38 total
资源数量适中。考虑合并文件。
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赫尔夫朗标签
0 hreflang tags
如果您有多语言内容,请添加 hreflang 标签。
!
Robots.txt
Missing
添加robots.txt文件来控制搜索引擎抓取。
!
Sitemap
Not found
添加 sitemap.xml 并在 robots.txt 中引用它。
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HTTPS
Yes
已启用安全 HTTPS 连接。
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压缩
gzip
启用 Gzip 或 Zstd 压缩以加快加载速度。
✓
缓存
public, max-age=300, s-maxage=86400
正确设置缓存控制标头。
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页面速度
2.25 ms
出色的加载速度。
页面搜索引擎优化
✓
标题
Digital Accessibility | Digital Accessibility Services
Images and media are powerful communication devices. They are useful for conveying concepts and information , and they can help improve comprehension.
29
/technique-enable-te...
To make sure line-height adjusts proportionately, define your CSS line-height using relative units or unit-less values . If you don't, when the font size ...