Tools & Wizards About Us
deeplearnjs.org screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    57% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 97

    SEO

    Google-friendlier than
    92% of websites

deeplearnjs.org

TensorFlow.js | Machine Learning for JavaScript Developers

Page Load Speed

5.8 sec in total

First Response

151 ms

Resources Loaded

3.6 sec

Page Rendered

2.1 sec

deeplearnjs.org screenshot

About Website

Visit deeplearnjs.org now to see the best up-to-date Deeplearn Js content for United States and also check out these interesting facts you probably never knew about deeplearnjs.org

Train and deploy models in the browser, Node.js, or Google Cloud Platform. TensorFlow.js is an open source ML platform for Javascript and web development.

Visit deeplearnjs.org

Key Findings

We analyzed Deeplearnjs.org page load time and found that the first response time was 151 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

deeplearnjs.org performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

deeplearnjs.org

151 ms

js.tensorflow.org

168 ms

375 ms

css

198 ms

app.css

245 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Deeplearnjs.org, 36% (16 requests) were made to Tensorflow.org and 20% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (76%)

Content Size

1.5 MB

After Optimization

353.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deeplearnjs.org main page is 1.5 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. 75% 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. CSS take 853.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 236.1 kB

  • Original 279.5 kB
  • After minification 261.2 kB
  • After compression 43.4 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 236.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 120.7 kB
  • After minification 120.7 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. Deeplearn Js images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 131.4 kB

  • Original 198.2 kB
  • After minification 196.3 kB
  • After compression 66.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 131.4 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 730.8 kB

  • Original 853.5 kB
  • After minification 853.2 kB
  • After compression 122.7 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. Deeplearnjs.org needs all CSS files to be minified and compressed as it can save up to 730.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (34%)

Requests Now

29

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deeplearn Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deeplearnjs.org

deeplearnjs.org

151 ms

js.tensorflow.org

js.tensorflow.org

168 ms

375 ms

css

css

198 ms

app.css

app.css

245 ms

css

css

232 ms

lockup.svg

lockup.svg

210 ms

8poKOxl6j8U

8poKOxl6j8U

790 ms

learn-js-hero.svg

learn-js-hero.svg

95 ms

js-run.svg

js-run.svg

733 ms

js-retrain.svg

js-retrain.svg

729 ms

js-develop.svg

js-develop.svg

734 ms

tile_piano.jpg

tile_piano.jpg

738 ms

tile_webcam.jpg

tile_webcam.jpg

737 ms

tile_lip_sync_demo.jpg

tile_lip_sync_demo.jpg

737 ms

tile_lip_sync_tensorflow_js.png

tile_lip_sync_tensorflow_js.png

763 ms

tile_show_tell.png

tile_show_tell.png

762 ms

tile_tfjs_card.png

tile_tfjs_card.png

758 ms

tile_distilbert_nlp.png

tile_distilbert_nlp.png

760 ms

tile_community_card_hero.jpg

tile_community_card_hero.jpg

760 ms

app_loader.js

app_loader.js

234 ms

hero-river-bg-left.svg

hero-river-bg-left.svg

160 ms

hero-river-bg-right.svg

hero-river-bg-right.svg

153 ms

footer-lines.svg

footer-lines.svg

192 ms

www-player.css

www-player.css

96 ms

www-embed-player.js

www-embed-player.js

203 ms

base.js

base.js

538 ms

fetch-polyfill.js

fetch-polyfill.js

289 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

482 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

662 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

1046 ms

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

1307 ms

4UabrENHsxJlGDuGo1OIlLV154tzCwM.ttf

4UabrENHsxJlGDuGo1OIlLV154tzCwM.ttf

1161 ms

4UabrENHsxJlGDuGo1OIlLU94YtzCwM.ttf

4UabrENHsxJlGDuGo1OIlLU94YtzCwM.ttf

1166 ms

4UaGrENHsxJlGDuGo1OIlL3Owps.ttf

4UaGrENHsxJlGDuGo1OIlL3Owps.ttf

1153 ms

webcomponents-lite.js

webcomponents-lite.js

203 ms

polyfills.js

polyfills.js

199 ms

devsite_app_module.js

devsite_app_module.js

850 ms

id

id

893 ms

ad_status.js

ad_status.js

890 ms

mSp3U9l-INQ8zgil2b5R5d6tn3Jbttl0KpPyUXLighs.js

mSp3U9l-INQ8zgil2b5R5d6tn3Jbttl0KpPyUXLighs.js

737 ms

embed.js

embed.js

147 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

262 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

263 ms

Accessibility Review

deeplearnjs.org accessibility score

92

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

deeplearnjs.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

deeplearnjs.org SEO score

97

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Deeplearnjs.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 Deeplearnjs.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

deeplearnjs.org

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