Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cddt.us

Custom Diesel Drivers Training – The best truck drivers training!

Page Load Speed

2.2 sec in total

First Response

31 ms

Resources Loaded

1.8 sec

Page Rendered

374 ms

cddt.us screenshot

About Website

Visit cddt.us now to see the best up-to-date Cddt content and also check out these interesting facts you probably never knew about cddt.us

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Key Findings

We analyzed Cddt.us page load time and found that the first response time was 31 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cddt.us performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value6.7 s

35/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

cddt.us

31 ms

cddt.us

603 ms

css

31 ms

grid.css

17 ms

base.css

33 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 88% of them (134 requests) were addressed to the original Cddt.us, 9% (14 requests) were made to Lh3.googleusercontent.com and 1% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (633 ms) relates to the external source Lh3.googleusercontent.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (48%)

Content Size

3.6 MB

After Optimization

1.9 MB

In fact, the total size of Cddt.us main page is 3.6 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 118.3 kB

  • Original 151.0 kB
  • After minification 148.6 kB
  • After compression 32.8 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 118.3 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 8.0 kB

  • Original 1.4 MB
  • After minification 1.4 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. Cddt images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 813.0 kB

  • Original 1.1 MB
  • After minification 1.0 MB
  • After compression 297.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 813.0 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 785.2 kB

  • Original 930.2 kB
  • After minification 817.1 kB
  • After compression 145.0 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. Cddt.us needs all CSS files to be minified and compressed as it can save up to 785.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 120 (81%)

Requests Now

148

After Optimization

28

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cddt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 69 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cddt.us accessibility score

92

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cddt.us best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cddt.us SEO score

83

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 Cddt.us 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 Cddt.us 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 description is not detected on the main page of Cddt. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: