Tools & Wizards About Us
codenameone.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

codenameone.com

Codename One: Cross-Platform App Development with Java/Kotlin

Page Load Speed

26.9 sec in total

First Response

191 ms

Resources Loaded

21.5 sec

Page Rendered

5.3 sec

codenameone.com screenshot

About Website

Click here to check amazing Codename One content for Tunisia. Otherwise, check out these important facts you probably never knew about codenameone.com

Open-source cross-platform mobile app development framework to build native iOS, Android, Desktop & Web apps with a single Java or Kotlin codebase.

Visit codenameone.com

Key Findings

We analyzed Codenameone.com page load time and found that the first response time was 191 ms and then it took 26.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

codenameone.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value6,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

codenameone.com

191 ms

www.codenameone.com

5474 ms

wp-emoji-release.min.js

149 ms

pa-frontend-4687a05a4.min.css

179 ms

style.min.css

187 ms

Our browser made a total of 164 requests to load all elements on the main page. We found that 66% of them (109 requests) were addressed to the original Codenameone.com, 15% (24 requests) were made to Fonts.gstatic.com and 2% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (5.7 sec) relates to the external source Fastbase.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 488.8 kB (11%)

Content Size

4.6 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Codenameone.com main page is 4.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 307.0 kB

  • Original 405.5 kB
  • After minification 390.8 kB
  • After compression 98.5 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 307.0 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 167.3 kB

  • Original 3.7 MB
  • After minification 3.5 MB

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. Codename One images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.2 kB

  • Original 260.9 kB
  • After minification 260.8 kB
  • After compression 258.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 12.3 kB

  • Original 306.9 kB
  • After minification 306.9 kB
  • After compression 294.5 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. Codenameone.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 96 (73%)

Requests Now

131

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Codename One. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

codenameone.com

codenameone.com

191 ms

www.codenameone.com

www.codenameone.com

5474 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

149 ms

pa-frontend-4687a05a4.min.css

pa-frontend-4687a05a4.min.css

179 ms

style.min.css

style.min.css

187 ms

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217 ms

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216 ms

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241 ms

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244 ms

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295 ms

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715 ms

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612 ms

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1738 ms

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878 ms

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3859 ms

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4706 ms

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3845 ms

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3796 ms

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162 ms

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182 ms

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167 ms

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33 ms

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3568 ms

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2704 ms

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2703 ms

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2559 ms

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2421 ms

webpack.runtime.min.js

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1584 ms

frontend-modules.min.js

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2373 ms

swiper.min.js

swiper.min.js

2351 ms

share-link.min.js

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1550 ms

dialog.min.js

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1551 ms

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2310 ms

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2271 ms

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1549 ms

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1424 ms

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2110 ms

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1405 ms

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1463 ms

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1450 ms

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1431 ms

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1125 ms

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1118 ms

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1117 ms

jquery.sticky.min.js

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1069 ms

gtm.js

gtm.js

912 ms

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956 ms

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Codename-One-White-Blue-Logo-300x77.png

1063 ms

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CN1-Hero-illustration-1-1024x787.png

1026 ms

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1060 ms

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1055 ms

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1044 ms

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1055 ms

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1054 ms

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Paltel-Codename-One.png

1053 ms

yHomework.png

yHomework.png

1191 ms

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1164 ms

arrivu.png

arrivu.png

1174 ms

client-logos-grid-1-1024x536.png

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1165 ms

sidiabale@2x.png

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1144 ms

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1137 ms

oscar.jpg

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2059 ms

fabricio.jpg

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2074 ms

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2056 ms

helio@2x.png

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1948 ms

Rex_green.jpg

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1946 ms

gareth.jpg

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1945 ms

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2658 ms

animate.css

animate.css

437 ms

paddle.css

paddle.css

463 ms

github-btn.html

github-btn.html

3213 ms

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Async-Debugging-with-IntelliJ-IDEA-Codename-One.jpg

1966 ms

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Property-Sheet-and-JavaDocs-Codename-One.jpg

1973 ms

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Creating-New-Projects-with-Old-Templates-Codename-One.jpg

1953 ms

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Inspect-Component-Codename-One.jpg

1949 ms

footer-logo-1.png

footer-logo-1.png

1945 ms

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1064 ms

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3354 ms

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3353 ms

optimize.js

optimize.js

4378 ms

hotjar-1953723.js

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4318 ms

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conversion_async.js

4341 ms

fbevents.js

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4247 ms

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fscript.js

5670 ms

js

js

2630 ms

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161 ms

Accessibility Review

codenameone.com accessibility score

79

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s are not contained by their required parent element

High

ARIA IDs are not unique

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

codenameone.com best practices score

92

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

SEO Factors

codenameone.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Codenameone.com 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 Codenameone.com 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

codenameone.com

Open Graph data is detected on the main page of Codename One. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: