Tools & Wizards About Us
leowanglab.org screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

leowanglab.org

Leo Wang Lab | Protein-focused Stem Cell Research | City of Hope

Page Load Speed

1.9 sec in total

First Response

807 ms

Resources Loaded

986 ms

Page Rendered

66 ms

leowanglab.org screenshot

About Website

Welcome to leowanglab.org homepage info - get ready to check Leo Wang Lab best content right away, or after learning these important things about leowanglab.org

The Leo Wang Lab uses leading-edge technologies to treat pediatric blood cancers and solid tumors. Our focuses include protein-focused stem cell research.

Visit leowanglab.org

Key Findings

We analyzed Leowanglab.org page load time and found that the first response time was 807 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster. This domain responded with an error, which can significantly jeopardize Leowanglab.org rating and web reputation

Performance Metrics

leowanglab.org performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value2,140 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.185

66/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

leo-wang-lab

807 ms

cf.errors.css

3 ms

browser-bar.png

9 ms

cf-no-screenshot-error.png

11 ms

main.js

33 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Leowanglab.org and no external sources were called. The less responsive or slowest element that took the longest time to load (807 ms) relates to the external source Cityofhope.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.6 kB (26%)

Content Size

14.0 kB

After Optimization

10.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Leowanglab.org main page is 14.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 5.5 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 3.5 kB

  • Original 5.5 kB
  • After minification 5.1 kB
  • After compression 2.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 3.5 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 3.9 kB
  • After minification 3.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Leo Wang Lab images are well optimized though.

CSS Optimization

-2%

Potential reduce by 75 B

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 4.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Leowanglab.org has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leo Wang Lab. According to our analytics all requests are already optimized.

Network Requests Diagram

leo-wang-lab

leo-wang-lab

807 ms

cf.errors.css

cf.errors.css

3 ms

browser-bar.png

browser-bar.png

9 ms

cf-no-screenshot-error.png

cf-no-screenshot-error.png

11 ms

main.js

main.js

33 ms

Accessibility Review

leowanglab.org accessibility score

96

Accessibility Issues

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

leowanglab.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

leowanglab.org SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leowanglab.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Leowanglab.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

leowanglab.org

Open Graph description is not detected on the main page of Leo Wang Lab. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: