Tools & Wizards About Us
coursejet.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

coursejet.com

Best Certification Online Training for Professionals | CourseJet

Page Load Speed

6.3 sec in total

First Response

232 ms

Resources Loaded

5.3 sec

Page Rendered

826 ms

coursejet.com screenshot

About Website

Visit coursejet.com now to see the best up-to-date Course Jet content and also check out these interesting facts you probably never knew about coursejet.com

CourseJet offers professional certification online training courses by industry experts. We help professionals learn trending technologies for career growth.

Visit coursejet.com

Key Findings

We analyzed Coursejet.com page load time and found that the first response time was 232 ms and then it took 6.1 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

coursejet.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value2,970 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

coursejet.com

232 ms

coursejet.com

488 ms

331bb.css

3776 ms

css

30 ms

d52ed.js

253 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 70% of them (21 requests) were addressed to the original Coursejet.com, 20% (6 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Coursejet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.2 kB (55%)

Content Size

593.8 kB

After Optimization

264.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Coursejet.com main page is 593.8 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. 35% of websites need less resources to load. HTML takes 414.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 324.7 kB

  • Original 414.5 kB
  • After minification 413.5 kB
  • After compression 89.8 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 324.7 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 4.5 kB

  • Original 77.2 kB
  • After minification 72.7 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. Course Jet images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 102.1 kB
  • After minification 102.1 kB
  • After compression 102.1 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.

Requests Breakdown

Number of requests can be reduced by 3 (18%)

Requests Now

17

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Course Jet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

coursejet.com

coursejet.com

232 ms

coursejet.com

coursejet.com

488 ms

331bb.css

331bb.css

3776 ms

css

css

30 ms

d52ed.js

d52ed.js

253 ms

dd690.js

dd690.js

68 ms

f0bfa.js

f0bfa.js

2213 ms

launcher.js

launcher.js

280 ms

coursejet-logo-250x65.png

coursejet-logo-250x65.png

179 ms

coursejet-home-background.jpg

coursejet-home-background.jpg

178 ms

online-training-courses-with-certification-5.png

online-training-courses-with-certification-5.png

178 ms

online-training-courses-with-certification-7.png

online-training-courses-with-certification-7.png

179 ms

online-training-courses-with-certification-3.png

online-training-courses-with-certification-3.png

385 ms

online-training-courses-with-certification-1.png

online-training-courses-with-certification-1.png

385 ms

online-training-courses-with-certification-4.png

online-training-courses-with-certification-4.png

384 ms

online-training-courses-with-certification-6.png

online-training-courses-with-certification-6.png

384 ms

online-training-courses-with-certification-2.png

online-training-courses-with-certification-2.png

488 ms

coursejet-logo-footer.png

coursejet-logo-footer.png

555 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

209 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

304 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

372 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

373 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

373 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

373 ms

fa-solid-900.woff

fa-solid-900.woff

370 ms

fa-regular-400.woff

fa-regular-400.woff

303 ms

fa-brands-400.woff

fa-brands-400.woff

373 ms

eicons.woff

eicons.woff

471 ms

astra.woff

astra.woff

469 ms

5f3380c9271c686c1ccd2aa3

5f3380c9271c686c1ccd2aa3

292 ms

Accessibility Review

coursejet.com accessibility score

88

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-*] attributes do not match their roles

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

coursejet.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

High

Missing source maps for large first-party JavaScript

SEO Factors

coursejet.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 Coursejet.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 Coursejet.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

coursejet.com

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