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edx.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

edx.com

EDX RF Planning, SaaS and Cloud RF Planning Software

Page Load Speed

4.1 sec in total

First Response

1.3 sec

Resources Loaded

2.1 sec

Page Rendered

730 ms

edx.com screenshot

About Website

Visit edx.com now to see the best up-to-date EDX content for United States and also check out these interesting facts you probably never knew about edx.com

Plan wireless networks with EDX RF Planning. SaaS and cloud based RF planning software, RF planning tools, and RF mapping software for all networks.

Visit edx.com

Key Findings

We analyzed Edx.com page load time and found that the first response time was 1.3 sec and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

edx.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.206

60/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

edx.com

1267 ms

intlTelInput.min.css

18 ms

countrySelect.min.css

21 ms

df-style.css

20 ms

front.css

25 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 72% of them (94 requests) were addressed to the original Edx.com, 23% (30 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Edx.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (49%)

Content Size

3.7 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edx.com main page is 3.7 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. Only a small number of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 238.2 kB

  • Original 284.9 kB
  • After minification 277.3 kB
  • After compression 46.7 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 238.2 kB or 84% of the original size.

Image Optimization

-51%

Potential reduce by 1.6 MB

  • Original 3.0 MB
  • After minification 1.5 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. Obviously, EDX needs image optimization as it can save up to 1.6 MB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 10.8 kB

  • Original 294.7 kB
  • After minification 293.6 kB
  • After compression 283.9 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

-5%

Potential reduce by 4.3 kB

  • Original 93.0 kB
  • After minification 92.7 kB
  • After compression 88.7 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. Edx.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 51 (52%)

Requests Now

99

After Optimization

48

  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EDX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

edx.com

edx.com

1267 ms

intlTelInput.min.css

intlTelInput.min.css

18 ms

countrySelect.min.css

countrySelect.min.css

21 ms

df-style.css

df-style.css

20 ms

front.css

front.css

25 ms

front.min.css

front.min.css

23 ms

wpp.css

wpp.css

24 ms

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29 ms

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26 ms

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44 ms

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33 ms

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34 ms

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33 ms

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36 ms

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40 ms

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39 ms

modern.css

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js

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78 ms

js

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121 ms

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121 ms

countrySelect.min.js

countrySelect.min.js

121 ms

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142 ms

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350 ms

front.min.js

front.min.js

142 ms

scripts.min.js

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141 ms

jquery.fitvids.js

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143 ms

frontend-bundle.min.js

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142 ms

frontend-bundle.min.js

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141 ms

common.js

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174 ms

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558 ms

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555 ms

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554 ms

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591 ms

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510 ms

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510 ms

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590 ms

PortalIcon-min-1.png

PortalIcon-min-1.png

572 ms

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573 ms

TrainingIcon-min-1.png

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572 ms

MaintIcon-min-1.png

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572 ms

CompanyIcon.png

CompanyIcon.png

601 ms

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CareerIcon-min.png

601 ms

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584 ms

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583 ms

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588 ms

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625 ms

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614 ms

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574 ms

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605 ms

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517 ms

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455 ms

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124 ms

Accessibility Review

edx.com accessibility score

87

Accessibility Issues

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

Heading elements are not in a sequentially-descending order

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

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

edx.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

edx.com SEO score

83

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

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

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 Edx.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 Edx.com main page’s claimed encoding is utf-8\. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

edx.com

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