Website review yisun.io
Yi Sun
Generated on February 20 2026 02:03 AM
Old data? UPDATE !
The score is 54/100
SEO Content
Title
Yi Sun
Length : 6
Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description
Yi Sun's Homepage
Length : 17
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
Yi Sun
Good, your page contains meta keywords.
Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 4 | 0 | 0 | 0 | 0 |
- [H2] about
- [H2] education
- [H2] links
- [H2] contact
Images
We found 2 images on this web page.
1 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 34%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 22 links including 1 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Yi Sun | Internal | Passing Juice |
| research | Internal | Passing Juice |
| teaching | Internal | Passing Juice |
| company | External | Passing Juice |
| Department of Statistics | External | Passing Juice |
| The University of Chicago | External | Passing Juice |
| here | Internal | Passing Juice |
| Simons Fellow | External | Passing Juice |
| Department of Mathematics | External | Passing Juice |
| Columbia University | External | Passing Juice |
| mathematics | External | Passing Juice |
| MIT | External | Passing Juice |
| Pavel Etingof | External | Passing Juice |
| mathematics | External | Passing Juice |
| economics | External | Passing Juice |
| Harvard | External | Passing Juice |
| Dennis Gaitsgory | External | Passing Juice |
| mathematics | External | Passing Juice |
| Cambridge | External | Passing Juice |
| Churchill Scholarship | External | Passing Juice |
| UChicago Statistics Colloquium | External | Passing Juice |
| UChicago Probability Seminar | External | Passing Juice |
SEO Keywords
Keywords Cloud
research cambridge mathematics harvard university uchicago statistics ongoing chicago department
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| mathematics | 8 |  |
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| university | 6 | |
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| research | 4 | |
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| statistics | 4 | |
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| department | 3 | |
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Usability
Url
Domain : yisun.io
Length : 8
Favicon
Very bad. We have not found shortcut icon. Icons are one of easy ways to attract regular visitors to your website more often.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
 |
Excellent, your website doesn't use nested tables. |
|
Perfect. No inline css has been found in HTML tags! |
|
Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://yisun.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.