Tools & Wizards About Us
dclessons.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

dclessons.com

Online Training Portal For Networking Engineers - DCLessons - DCLessons

Page Load Speed

2.4 sec in total

First Response

119 ms

Resources Loaded

1.4 sec

Page Rendered

805 ms

dclessons.com screenshot

About Website

Welcome to dclessons.com homepage info - get ready to check DCLessons best content for India right away, or after learning these important things about dclessons.com

We are providing online networking training, professional networking, advanced networking through our practical sessions. With DC Lessons 100% satisfaction is guaranteed.

Visit dclessons.com

Key Findings

We analyzed Dclessons.com page load time and found that the first response time was 119 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 40% of websites can load faster.

Performance Metrics

dclessons.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value10.2 s

9/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.699

7/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

dclessons.com

119 ms

www.dclessons.com

467 ms

css

50 ms

select2.min.css

28 ms

toastr.min.css

37 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 68% of them (59 requests) were addressed to the original Dclessons.com, 14% (12 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (691 ms) belongs to the original domain Dclessons.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 557.4 kB (21%)

Content Size

2.7 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dclessons.com main page is 2.7 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. 70% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 64.3 kB

  • Original 74.7 kB
  • After minification 58.6 kB
  • After compression 10.4 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. This page needs HTML code to be minified as it can gain 16.2 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 64.3 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 244.6 kB

  • Original 2.3 MB
  • After minification 2.0 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, DCLessons needs image optimization as it can save up to 244.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 69.5 kB

  • Original 149.1 kB
  • After minification 146.1 kB
  • After compression 79.5 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 69.5 kB or 47% of the original size.

CSS Optimization

-85%

Potential reduce by 179.0 kB

  • Original 210.2 kB
  • After minification 198.8 kB
  • After compression 31.2 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. Dclessons.com needs all CSS files to be minified and compressed as it can save up to 179.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (28%)

Requests Now

72

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DCLessons. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dclessons.com

dclessons.com

119 ms

www.dclessons.com

www.dclessons.com

467 ms

css

css

50 ms

select2.min.css

select2.min.css

28 ms

toastr.min.css

toastr.min.css

37 ms

bootstrap.min.css

bootstrap.min.css

157 ms

animate.css

animate.css

260 ms

owl.carousel.min.css

owl.carousel.min.css

167 ms

style.css

style.css

213 ms

responsive.css

responsive.css

167 ms

logo.png

logo.png

215 ms

1579346945.jpg

1579346945.jpg

353 ms

1579346887.jpg

1579346887.jpg

540 ms

1579346795.jpg

1579346795.jpg

442 ms

1579346771.jpg

1579346771.jpg

467 ms

1579780319.jpg

1579780319.jpg

540 ms

Subscription-Banner.png

Subscription-Banner.png

441 ms

Subscription-Banner-3-1.png

Subscription-Banner-3-1.png

375 ms

Subscription-Banner-2-1.png

Subscription-Banner-2-1.png

442 ms

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1578303328.png

510 ms

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1576553100.png

508 ms

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1578308914.png

508 ms

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1578309182.png

524 ms

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1578309384.png

543 ms

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1578309651.png

541 ms

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1578309809.png

543 ms

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562 ms

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591 ms

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589 ms

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592 ms

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592 ms

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593 ms

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622 ms

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641 ms

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641 ms

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1578311236.PNG

643 ms

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1578311393.png

643 ms

1578311582.png

1578311582.png

643 ms

1578311753.png

1578311753.png

673 ms

1578311856.png

1578311856.png

691 ms

js

js

58 ms

jquery.min.js

jquery.min.js

27 ms

select2.min.js

select2.min.js

18 ms

toastr.min.js

toastr.min.js

27 ms

bootstrap.min.js

bootstrap.min.js

689 ms

custom.js

custom.js

544 ms

owl.carousel.js

owl.carousel.js

543 ms

wow.js

wow.js

545 ms

css

css

13 ms

css

css

23 ms

css

css

21 ms

font-awesome.min.css

font-awesome.min.css

23 ms

1670859185.PNG

1670859185.PNG

552 ms

1578303463.png

1578303463.png

548 ms

js

js

102 ms

analytics.js

analytics.js

96 ms

1578312230.PNG

1578312230.PNG

410 ms

NaPecZTIAOhVxoMyOr9n_E7fdMPmCA.ttf

NaPecZTIAOhVxoMyOr9n_E7fdMPmCA.ttf

73 ms

NaPDcZTIAOhVxoMyOr9n_E7ffGjEGItzZg.ttf

NaPDcZTIAOhVxoMyOr9n_E7ffGjEGItzZg.ttf

89 ms

NaPDcZTIAOhVxoMyOr9n_E7ffAzHGItzZg.ttf

NaPDcZTIAOhVxoMyOr9n_E7ffAzHGItzZg.ttf

107 ms

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZg.ttf

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZg.ttf

117 ms

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZg.ttf

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZg.ttf

118 ms

NaPDcZTIAOhVxoMyOr9n_E7ffEDBGItzZg.ttf

NaPDcZTIAOhVxoMyOr9n_E7ffEDBGItzZg.ttf

117 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

64 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

135 ms

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TK3_WkUHHAIjg75cFRf3bXL8LICs18NvsUZiYA.ttf

115 ms

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114 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs13FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs13FvsUZiYA.ttf

135 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYA.ttf

136 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

134 ms

1645094157.PNG

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390 ms

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387 ms

collect

collect

51 ms

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322 ms

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341 ms

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357 ms

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328 ms

collect

collect

51 ms

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1578372881.png

294 ms

1578388323.PNG

1578388323.PNG

294 ms

facebook.png

facebook.png

280 ms

twitter.png

twitter.png

310 ms

linkedin.png

linkedin.png

312 ms

youtube.png

youtube.png

313 ms

style1.png

style1.png

311 ms

bg-effect2.png

bg-effect2.png

313 ms

bg-effect.png

bg-effect.png

311 ms

Accessibility Review

dclessons.com accessibility score

88

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

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

dclessons.com best practices score

75

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

Page has valid source maps

SEO Factors

dclessons.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Dclessons.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 Dclessons.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

dclessons.com

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