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cdlclasses.org screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cdlclasses.org

CDL Classes & Training Programs | CDLClasses.org

Page Load Speed

3.3 sec in total

First Response

173 ms

Resources Loaded

3 sec

Page Rendered

110 ms

cdlclasses.org screenshot

About Website

Welcome to cdlclasses.org homepage info - get ready to check CDL Classes best content right away, or after learning these important things about cdlclasses.org

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Visit cdlclasses.org

Key Findings

We analyzed Cdlclasses.org page load time and found that the first response time was 173 ms and then it took 3.1 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

cdlclasses.org performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

40/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.34

33/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

cdlclasses.org

173 ms

www.cdlclasses.org

578 ms

css

14 ms

styles.v68.css

126 ms

widget.js

68 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 77% of them (23 requests) were addressed to the original Cdlclasses.org, 7% (2 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (578 ms) belongs to the original domain Cdlclasses.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.9 kB (11%)

Content Size

674.0 kB

After Optimization

598.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cdlclasses.org main page is 674.0 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. 25% of websites need less resources to load. Images take 498.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.4 kB

  • Original 37.5 kB
  • After minification 37.1 kB
  • After compression 9.0 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 28.4 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 15.6 kB

  • Original 498.7 kB
  • After minification 483.1 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. CDL Classes images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 12.7 kB

  • Original 81.0 kB
  • After minification 81.0 kB
  • After compression 68.3 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 12.7 kB or 16% of the original size.

CSS Optimization

-34%

Potential reduce by 19.2 kB

  • Original 56.9 kB
  • After minification 56.9 kB
  • After compression 37.7 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. Cdlclasses.org needs all CSS files to be minified and compressed as it can save up to 19.2 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (52%)

Requests Now

23

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CDL Classes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cdlclasses.org

cdlclasses.org

173 ms

www.cdlclasses.org

www.cdlclasses.org

578 ms

css

css

14 ms

styles.v68.css

styles.v68.css

126 ms

widget.js

widget.js

68 ms

scripts.v68.js

scripts.v68.js

362 ms

wp-embed.min.js

wp-embed.min.js

189 ms

tablepress-combined.min.css

tablepress-combined.min.css

225 ms

tablepress-responsive-flip.min.css

tablepress-responsive-flip.min.css

236 ms

style.min.css

style.min.css

296 ms

responsive.dataTables.min.css

responsive.dataTables.min.css

237 ms

icons.css

icons.css

295 ms

shortcodes.css

shortcodes.css

425 ms

other-shortcodes.js

other-shortcodes.js

331 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

256 ms

header.png

header.png

168 ms

Slider-1-CDL-Classes-1-980x385.png

Slider-1-CDL-Classes-1-980x385.png

144 ms

25.thumb-small.jpg

25.thumb-small.jpg

205 ms

23.thumb-small.jpg

23.thumb-small.jpg

251 ms

26.thumb-small.jpg

26.thumb-small.jpg

252 ms

24.thumb-small.jpg

24.thumb-small.jpg

323 ms

Slider-1-CDL-Classes-1-980x385.png

Slider-1-CDL-Classes-1-980x385.png

247 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

8 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

21 ms

forkawesome-webfont.woff

forkawesome-webfont.woff

188 ms

analytics.js

analytics.js

46 ms

slider-prev.png

slider-prev.png

78 ms

slider-next.png

slider-next.png

70 ms

collect

collect

13 ms

js

js

91 ms

Accessibility Review

cdlclasses.org accessibility score

94

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

Best Practices

cdlclasses.org best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cdlclasses.org SEO score

90

Search Engine Optimization Advices

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 Cdlclasses.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 Cdlclasses.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

cdlclasses.org

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