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知乎 - 有问题，就会有答案
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视、时尚、文化等领域最具创造力的人群，已成为综合性、全品类、在诸多领域具有关键影响力的知识分享社区和创作者聚集的原创内容平台，建立起了以社区驱动的内容变现商业模式。
https://www.zhihu.com/signin?next=%2F
5 high issues
15.2%
2 medium issues
6.1%
5 low issues
15.2%
21 tests passed
63.6%
0.37 seconds
12.82 kB
14 resources
Secure
Seo
Title
The title tag is perfect.
知乎 - 有问题，就会有答案
Meta description
The meta description tag is good.
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视、时尚、文化等领域最具创造力的人群，已成为综合性、全品类、在诸多领域具有关键影响力的知识分享社区和创作者聚集的原创内容平台，建立起了以社区驱动的内容变现商业模式。
Headings
There is no h1 tag on the webpage.
Content keywords
No relevant keywords found on the webpage.
知乎有问题就会有答案
Image keywords
There are 1 images with missing alt attributes.
  1. https://pic3.zhimg.com/80/v2-d0289dc0a46fc5b15b3363ffa78cf6c7.png
SEO friendly URL
The URL does not contain any relevant keywords.
https://www.zhihu.com/signin?next=%2F
404 page
The website does not have 404 error pages.
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
zh
Favicon
The webpage has a favicon.
https://static.zhihu.com/heifetz/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.37 seconds.
Page size
The size of the HTML webpage is 12,824.00.
HTTP requests
There are fewer than 14 HTTP requests on the webpage.
  1. https://static.zhihu.com/heifetz/vendor.1887dee22555c1d9d6f0.js
  2. https://unpkg.zhimg.com/react@16.14.0/umd/react.production.min.js
  3. https://unpkg.zhimg.com/react-dom@16.14.0/umd/react-dom.production.min.js
  4. https://unpkg.zhimg.com/react-dom@16.14.0/umd/react-dom-server.browser.production.min.js
  5. https://static.zhihu.com/heifetz/main.lib_09e9ad9b.b06f91250eec926a868b.js
  6. https://static.zhihu.com/heifetz/main.app.5f133fd5d02f908b8fc4.js
  7. https://static.zhihu.com/heifetz/main.shared_05fdcb6c7efff2d88d20b6f2c3d1bd3ad9f2b21d.edc9a95a6bacce8fec91.js
  8. https://static.zhihu.com/heifetz/main.sign-page.27f6d2a3959a6cd3826c.js
  9. https://static.zhihu.com/event/wza/31035/aria.js?appid=a3637ace5dc3a347f6863b0bac487599
  10. https://hm.baidu.com/hm.js?98beee57fd2ef70ccdd5ca52b9740c49
  1. https://static.zhihu.com/heifetz/main.app.216a26f4.92f00fb92138d137dca0.css
  2. https://static.zhihu.com/heifetz/main.sign-page.216a26f4.afb67073a7cc3a1164ec.css
  1. https://pic2.zhimg.com/80/v2-f6b1f64a098b891b4ea1e3104b5b71f6_720w.png
  2. https://pic3.zhimg.com/80/v2-d0289dc0a46fc5b15b3363ffa78cf6c7.png
Image format
There are 3 images that are not using the AVIF, WebP format.
  1. https://pic2.zhimg.com/80/v2-f6b1f64a098b891b4ea1e3104b5b71f6_720w.png
  2. https://pic3.zhimg.com/80/v2-d0289dc0a46fc5b15b3363ffa78cf6c7.png
  3. https://pica.zhimg.com/80/v2-ccdb7828c12afff31a27e51593d23260_720w.png
JavaScript defer
The are 9 javascript resources without the defer attribute.
  1. https://static.zhihu.com/heifetz/vendor.1887dee22555c1d9d6f0.js
  2. https://unpkg.zhimg.com/react@16.14.0/umd/react.production.min.js
  3. https://unpkg.zhimg.com/react-dom@16.14.0/umd/react-dom.production.min.js
  4. https://unpkg.zhimg.com/react-dom@16.14.0/umd/react-dom-server.browser.production.min.js
  5. https://static.zhihu.com/heifetz/main.lib_09e9ad9b.b06f91250eec926a868b.js
  6. https://static.zhihu.com/heifetz/main.app.5f133fd5d02f908b8fc4.js
  7. https://static.zhihu.com/heifetz/main.shared_05fdcb6c7efff2d88d20b6f2c3d1bd3ad9f2b21d.edc9a95a6bacce8fec91.js
  8. https://static.zhihu.com/heifetz/main.sign-page.27f6d2a3959a6cd3826c.js
  9. https://hm.baidu.com/hm.js?98beee57fd2ef70ccdd5ca52b9740c49
DOM size
The DOM size is optimal.
The HTML file has 168 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.zhihu.com/signin?next=%2F DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
CLOUD ELB 1.0.0
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage contains plaintext emails.
  1. 2d8d764432cc4f6fb3bc78ab9528299d@crash2.zhihu.com
  2. jubao@zhihu.com
  3. jubao@zhihu.com
Miscellaneous
Structured data
The webpage has structured data.
    Meta viewport
    The webpage has a meta viewport tag set.
    width=device-width,initial-scale=1,maximum-scale=1
    Character set
    The webpage has a charset value set.
    utf-8
    Sitemap
    No sitemaps found.
    Social
    The webpage does not contain any social links.
    Content length
    The webpage has 2,171 words.
    Text to HTML ratio
    The text to HTML ratio is 61%.
    Inline CSS
    The webpage contains inline CSS code.
    1. position:absolute;top:-10000px;left:-10000px
    2. width:42px;height:18px
    3. top:6px;left:0;width:6px;height:6px;animation-duration:0.8s;animation-delay:0s
    4. top:6px;left:18px;width:6px;height:6px;animation-duration:0.8s;animation-delay:-0.13333333333333333s
    5. top:6px;left:36px;width:6px;height:6px;animation-duration:0.8s;animation-delay:-0.26666666666666666s
    6. position:absolute;top:-10000px;left:-10000px
    Deprecated HTML
    There are no deprecated HTML tags on the webpage.