Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

js.tensorflow.org

TensorFlow.js | Machine Learning for JavaScript Developers

Page Load Speed

1.3 sec in total

First Response

44 ms

Resources Loaded

693 ms

Page Rendered

534 ms

About Website

Visit js.tensorflow.org now to see the best up-to-date Js Tensor Flow content for India and also check out these interesting facts you probably never knew about js.tensorflow.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 js.tensorflow.org

Key Findings

We analyzed Js.tensorflow.org page load time and found that the first response time was 44 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

js.tensorflow.org performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.19

65/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

js.tensorflow.org

44 ms

51 ms

262 ms

css

33 ms

css2

91 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Js.tensorflow.org, 48% (14 requests) were made to Tensorflow.org and 24% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (264 ms) relates to the external source Tensorflow.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 347.6 kB (54%)

Content Size

648.5 kB

After Optimization

300.9 kB

In fact, the total size of Js.tensorflow.org main page is 648.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. HTML takes 408.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 347.4 kB

  • Original 408.1 kB
  • After minification 386.2 kB
  • After compression 60.7 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 347.4 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 106.9 kB
  • After minification 106.9 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. Js Tensor Flow images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 125 B

  • Original 10.2 kB
  • After minification 10.2 kB
  • After compression 10.0 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

-0%

Potential reduce by 84 B

  • Original 123.3 kB
  • After minification 123.3 kB
  • After compression 123.3 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. Js.tensorflow.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Js Tensor Flow. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

js.tensorflow.org accessibility score

90

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

[aria-hidden="true"] elements contain focusable descendents

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

js.tensorflow.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

js.tensorflow.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 Js.tensorflow.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 Js.tensorflow.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

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