Tools & Wizards About Us
just4funelectronics.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

just4funelectronics.com

Just4Fun Electronics | Educational Engineering Kits | United States

Page Load Speed

5.4 sec in total

First Response

2 sec

Resources Loaded

3.4 sec

Page Rendered

71 ms

just4funelectronics.com screenshot

About Website

Click here to check amazing Just4 Fun Electronics content. Otherwise, check out these important facts you probably never knew about just4funelectronics.com

Building Robots is just plan fun. At Just4Fun Electronics we specializes in electronics kits for engineering students, hardware, and components.

Visit just4funelectronics.com

Key Findings

We analyzed Just4funelectronics.com page load time and found that the first response time was 2 sec and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

just4funelectronics.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value4,970 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

www.just4funelectronics.com

1973 ms

minified.js

38 ms

focus-within-polyfill.js

37 ms

polyfill.min.js

34 ms

thunderbolt-commons.09398ec1.bundle.min.js

112 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Just4funelectronics.com, 46% (24 requests) were made to Static.wixstatic.com and 23% (12 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Just4funelectronics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 926.3 kB (64%)

Content Size

1.5 MB

After Optimization

529.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Just4funelectronics.com 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. 50% of websites need less resources to load. HTML takes 863.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 699.2 kB

  • Original 863.2 kB
  • After minification 861.4 kB
  • After compression 164.0 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 699.2 kB or 81% of the original size.

Image Optimization

-29%

Potential reduce by 44.2 kB

  • Original 150.2 kB
  • After minification 106.0 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. Obviously, Just4 Fun Electronics needs image optimization as it can save up to 44.2 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 182.9 kB

  • Original 442.0 kB
  • After minification 441.9 kB
  • After compression 259.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 182.9 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (26%)

Requests Now

39

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Just4 Fun Electronics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.just4funelectronics.com

www.just4funelectronics.com

1973 ms

minified.js

minified.js

38 ms

focus-within-polyfill.js

focus-within-polyfill.js

37 ms

polyfill.min.js

polyfill.min.js

34 ms

thunderbolt-commons.09398ec1.bundle.min.js

thunderbolt-commons.09398ec1.bundle.min.js

112 ms

main.e5a43201.bundle.min.js

main.e5a43201.bundle.min.js

125 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

109 ms

lodash.min.js

lodash.min.js

122 ms

react.production.min.js

react.production.min.js

110 ms

react-dom.production.min.js

react-dom.production.min.js

112 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

122 ms

8feff0_eef37ffc35914b0889536aeb75fee7c7~mv2_d_3264_2448_s_4_2.jpg

8feff0_eef37ffc35914b0889536aeb75fee7c7~mv2_d_3264_2448_s_4_2.jpg

287 ms

bundle.min.js

bundle.min.js

66 ms

225b18_dbba1b7e45bc4b119537f2db61412811.png

225b18_dbba1b7e45bc4b119537f2db61412811.png

245 ms

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322 ms

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8feff0_d50c793669d94dbc9fad76d76b8b2400~mv2.jpg

364 ms

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8feff0_2e8f45ca9cbe4ea9be949e56769fc0b1~mv2.png

284 ms

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370 ms

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470 ms

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8feff0_d31c5572e28847018ab0c3a72cbdd845~mv2.jpg

485 ms

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533 ms

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607 ms

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635 ms

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627 ms

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686 ms

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778 ms

43cd05_f55b549db34a4c3f80b0e04d7214105a~mv2.png

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767 ms

225b18_187cbee362db446884d931ac4fc8c419.jpg

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807 ms

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881 ms

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800 ms

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921 ms

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977 ms

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958 ms

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1003 ms

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1012 ms

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1168 ms

105 ms

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103 ms

100 ms

105 ms

98 ms

109 ms

101 ms

104 ms

102 ms

101 ms

116 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

26 ms

deprecation-style.v5.css

deprecation-style.v5.css

8 ms

right-arrow.svg

right-arrow.svg

8 ms

Accessibility Review

just4funelectronics.com accessibility score

85

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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.

Best Practices

just4funelectronics.com 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

High

Page has valid source maps

SEO Factors

just4funelectronics.com SEO score

100

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

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 Just4funelectronics.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 Just4funelectronics.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

just4funelectronics.com

Open Graph data is detected on the main page of Just4 Fun Electronics. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: