Website review hejia.io
He Jia's Website
Generated on January 30 2026 12:00 PM
Old data? UPDATE !
The score is 54/100
SEO Content
Title
He Jia's Website
Length : 16
Perfect, your title contains between 10 and 70 characters.
Description
Length : 0
Very bad. We haven't found meta description on your page. Use this free online meta tags generator to create description.
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 |
|---|---|
| title | He Jia's Website |
| type | website |
| description | He Jia's Website |
| image | /images/author/headshot-photo-pku-aug-2020.jpg |
| url | https://hejia.io |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 3 | 0 | 1 | 0 | 15 | 4 |
- [H1] Hi, I am He Jia.
- [H1] Education
- [H1] Publications
- [H3] He Jia (贾赫)
- [H5] 5th Year Graduate Student at Princeton Astrophysics.
- [H5] Princeton University
- [H5] University of California, Berkeley
- [H5] Peking University (北京大学)
- [H5] Shenzhen Middle School (深圳中学)
- [H5] Black Hole Spin Measurement with the Shape of the Photon Ring
- [H5] Photon Ring Diameter Measurement with Incoherently Averaged Visibility Data
- [H5] Cosmological Analysis with Calibrated Neural Quantile Estimation and Approximate Simulators
- [H5] The Black Hole Explorer: Motivation and Vision
- [H5] Photon Ring Interferometric Signatures Beyond The Universal Regime
- [H5] Simulation-Based Inference with Quantile Regression
- [H5] Millimeter Observational Signatures of Flares in Magnetically Arrested Black Hole Accretion Models
- [H5] Galaxy Spin Classification. I. Z-wise versus S-wise Spirals with the Chirality Equivariant Residual Network
- [H5] Observational Signatures of Black Hole Accretion: Rotating Versus Spherical Flows with Tilted Magnetic Fields
- [H5] Normalizing Constant Estimation with Gaussianized Bridge Sampling
- [H6] Ph.D. in Astrophysics | Advisors: Prof. Eliot Quataert & Prof. David Spergel
- [H6] Visiting Undergraduate Researcher | Advisor: Prof. Uroš Seljak
- [H6] B.S. in Physics | Advisor: Prof. Zuhui Fan (范祖辉)
- [H6] High School Certificate
Images
We found 14 images on this web page.
2 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 : 19%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 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 0 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|
SEO Keywords
Keywords Cloud
school eliot cosmology machine prof jia black learning hole holes
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| black | 14 |  |
|
|
 |
| jia | 14 | |
|
|
|
| holes | 10 | |
|
|
|
| cosmology | 7 | |
|
|
|
| machine | 7 | |
|
|
|
Usability
Url
Domain : hejia.io
Length : 8
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.
Document
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. |
|
Too bad, your website is using inline styles. |
|
Great, your website has few CSS files. |
|
Perfect, your website has few JavaScript files. |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.hejia.io/sitemap.xml |
Robots.txt
https://hejia.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.