Website review zcj.io
Welcome to Chaojie Zhu's page | Chaojie Zhu
Generated on December 24 2025 05:53 AM
Old data? UPDATE !
The score is 61/100
SEO Content
Title
Welcome to Chaojie Zhu's page | Chaojie Zhu
Length : 43
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 |
|---|---|
| url | https://www.zcj.io/ |
| site_name | Chaojie Zhu |
| title | Welcome to Chaojie Zhu's page |
| description | 👋 Hello there, welcome to my page I’m a software engineer at Apple, working on RealityKit for iOS and visionOS. I contributed to bringing up the first generation of Apple Vision Pro. I’m passionate about building technologies that empower human behavior, including simulation, AI, and robotics. With a background in game engines, I love crafting interactive and immersive experiences that bridge the digital and physical worlds. I’m always exploring new ways to push the boundaries of innovation and human-computer interaction. |
| locale | en_us |
| type | website |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 1 | 2 | 0 | 0 | 0 |
- [H1] Chaojie Zhu
- [H2] 👋 Hello there, welcome to my page
- [H3] Recent Posts
- [H3] Notable Projects
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 16%
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 1 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| say hello | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
software simulation chaojie apple game welcome project development engine zhu
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| chaojie | 4 |  |
 |
|
|
| game | 4 | |
|
|
|
| software | 4 | |
|
|
|
| zhu | 3 | |
|
|
|
| engine | 3 | |
|
|
|
Usability
Url
Domain : zcj.io
Length : 6
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
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. |
|
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.zcj.io/sitemap.xml |
Robots.txt
https://zcj.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
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.