Generated on February 05 2026 17:28 PM
Old data? UPDATE !
The score is 64/100
Title
Ruda Zhang
Length : 10
Perfect, your title contains between 10 and 70 characters.
Description
Ruda Zhang's portfolio website. Chinese name: 张汝达
Length : 49
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| site_name | Ruda Zhang |
| url | https://ruda.city/ |
| title | Ruda Zhang |
| description | Ruda Zhang's portfolio website. Chinese name: 张汝达 |
| image | https://ruda.city/media/portrait-Zhang,Ruda.jpg |
| locale | en-us |
| updated_time | 2022-04-05T12:20:09-04:00 |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 6 | 1 | 15 | 6 | 1 | 0 |
Images
We found 13 images on this web page.
6 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 : 35%
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.
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 53 links including 11 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Ruda Zhang | Internal | Passing Juice |
| uq.uh.edu | External | Passing Juice |
| research overview | Internal | Passing Juice |
| curriculum vitae | Internal | Passing Juice |
| Gaussian Process Subspace Regression for Model Reduction | Internal | Passing Juice |
| Ruda Zhang | Internal | Passing Juice |
| Simon Mak | Internal | Passing Juice |
| David Dunson | Internal | Passing Juice |
| Preprint | External | Passing Juice |
| Internal | Passing Juice | |
| Code | External | Passing Juice |
| Project | Internal | Passing Juice |
| Slides | Internal | Passing Juice |
| Award | Internal | Passing Juice |
| Newton Retraction as Approximate Geodesics on Submanifolds | Internal | Passing Juice |
| Internal | Passing Juice | |
| Project | Internal | Passing Juice |
| Normal-bundle Bootstrap | Internal | Passing Juice |
| Roger Ghanem | Internal | Passing Juice |
| External | Passing Juice | |
| Code | External | Passing Juice |
| Slides | Internal | Passing Juice |
| Video | External | Passing Juice |
| DOI | External | Passing Juice |
| Drivers Learn City-scale Dynamic Equilibrium | Internal | Passing Juice |
| External | Passing Juice | |
| Dataset | External | Passing Juice |
| Project | Internal | Passing Juice |
| DOI | External | Passing Juice |
| Demand, Supply and Performance of Street-Hail Taxi | Internal | Passing Juice |
| External | Passing Juice | |
| Dataset | External | Passing Juice |
| DOI | External | Passing Juice |
| Environmental Economics and Uncertainty: Review and a Machine Learning Outlook | Internal | Passing Juice |
| Patrick Wingo | Internal | Passing Juice |
| Rodrigo Duran | Internal | Passing Juice |
| Matthew Kahn | Internal | Passing Juice |
| Kelly Rose | Internal | Passing Juice |
| Jennifer Bauer | Internal | Passing Juice |
| External | Passing Juice | |
| DOI | External | Passing Juice |
| Flow Surrogate of Computer Models | Internal | Passing Juice |
| Manifold Surrogate of Computer Models | Internal | Passing Juice |
| Accelerated Subspace-constrained Mean Shift | Internal | Passing Juice |
| Manifold Scaffold Sampling | Internal | Passing Juice |
| Kernel Density Estimation and Sampling on Riemmanian Submanifolds | Internal | Passing Juice |
| All | Internal | Passing Juice |
| Scholar | External | Passing Juice |
| Accessibility | Internal | Passing Juice |
| Wiki | Internal | Passing Juice |
| Wowchemy | External | Passing Juice |
| open source | External | Passing Juice |
| {{title}} | Internal | Passing Juice |
Keywords Cloud
doi pdf ruda data learning project roger ghanem zhang models
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| ruda | 16 | ![]() |
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| zhang | 16 | ![]() |
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| project | 9 | ![]() |
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| roger | 6 | ![]() |
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| ghanem | 6 | ![]() |
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Url
Domain : ruda.city
Length : 9
Favicon
Great, your website has a favicon.
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.
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
![]() |
Excellent, your website doesn't use nested tables. |
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Perfect. No inline css has been found in HTML tags! |
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Too bad, your website has too many CSS files (more than 4). |
![]() |
Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
XML Sitemap
Great, your website has an XML sitemap.
| https://ruda.city/sitemap.xml |
Robots.txt
https://ruda.city/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.