Tools & Wizards About Us
dclessons.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dclessons.com

Online Training Portal For Networking Engineers - DCLessons

Page Load Speed

2.7 sec in total

First Response

139 ms

Resources Loaded

1.4 sec

Page Rendered

1.1 sec

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 139 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dclessons.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

dclessons.com

139 ms

www.dclessons.com

387 ms

css

63 ms

select2.min.css

59 ms

toastr.min.css

66 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 71% 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 (653 ms) belongs to the original domain Dclessons.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 548.1 kB (21%)

Content Size

2.7 MB

After Optimization

2.1 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 64.6 kB

  • Original 74.8 kB
  • After minification 58.5 kB
  • After compression 10.3 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 16.3 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 64.6 kB or 86% of the original size.

Image Optimization

-10%

Potential reduce by 235.1 kB

  • Original 2.2 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. DCLessons images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 69.5 kB

  • Original 128.1 kB
  • After minification 125.1 kB
  • After compression 58.6 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 54% 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 18 (26%)

Requests Now

68

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 68 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 8 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

139 ms

www.dclessons.com

www.dclessons.com

387 ms

css

css

63 ms

select2.min.css

select2.min.css

59 ms

toastr.min.css

toastr.min.css

66 ms

bootstrap.min.css

bootstrap.min.css

154 ms

animate.css

animate.css

255 ms

owl.carousel.min.css

owl.carousel.min.css

161 ms

style.css

style.css

225 ms

responsive.css

responsive.css

177 ms

js

js

98 ms

jquery.min.js

jquery.min.js

56 ms

select2.min.js

select2.min.js

61 ms

toastr.min.js

toastr.min.js

66 ms

bootstrap.min.js

bootstrap.min.js

219 ms

custom.js

custom.js

195 ms

owl.carousel.js

owl.carousel.js

367 ms

wow.js

wow.js

219 ms

logo.png

logo.png

244 ms

1579346945.jpg

1579346945.jpg

368 ms

1579346887.jpg

1579346887.jpg

487 ms

1579346795.jpg

1579346795.jpg

484 ms

1579346771.jpg

1579346771.jpg

485 ms

1579780319.jpg

1579780319.jpg

484 ms

Subscription-Banner.png

Subscription-Banner.png

481 ms

Subscription-Banner-3-1.png

Subscription-Banner-3-1.png

482 ms

Subscription-Banner-2-1.png

Subscription-Banner-2-1.png

500 ms

1578303328.png

1578303328.png

487 ms

1576553100.png

1576553100.png

487 ms

1578308914.png

1578308914.png

493 ms

1578309182.png

1578309182.png

494 ms

1578309384.png

1578309384.png

524 ms

1578309651.png

1578309651.png

524 ms

1578309809.png

1578309809.png

523 ms

1578309917.png

1578309917.png

585 ms

1578310026.png

1578310026.png

585 ms

1578309036.png

1578309036.png

585 ms

1578310245.png

1578310245.png

588 ms

1578310430.png

1578310430.png

586 ms

1578310659.png

1578310659.png

586 ms

1578309472.png

1578309472.png

653 ms

1578310821.png

1578310821.png

650 ms

1578311099.PNG

1578311099.PNG

650 ms

1716085811.JPG

1716085811.JPG

653 ms

1578311393.png

1578311393.png

651 ms

1578311582.png

1578311582.png

509 ms

1578311753.png

1578311753.png

538 ms

1578311856.png

1578311856.png

523 ms

1670859185.PNG

1670859185.PNG

500 ms

css

css

21 ms

css

css

22 ms

css

css

23 ms

font-awesome.min.css

font-awesome.min.css

42 ms

1578303463.png

1578303463.png

473 ms

1578312230.PNG

1578312230.PNG

476 ms

1645094157.PNG

1645094157.PNG

474 ms

1645094515.PNG

1645094515.PNG

495 ms

1645095298.PNG

1645095298.PNG

496 ms

1645095814.PNG

1645095814.PNG

372 ms

1578372415.png

1578372415.png

263 ms

1578372654.png

1578372654.png

260 ms

1578372881.png

1578372881.png

261 ms

1578388323.PNG

1578388323.PNG

352 ms

facebook.png

facebook.png

303 ms

twitter.png

twitter.png

304 ms

linkedin.png

linkedin.png

306 ms

youtube.png

youtube.png

308 ms

NaPecZTIAOhVxoMyOr9n_E7fdMPmCw.woff

NaPecZTIAOhVxoMyOr9n_E7fdMPmCw.woff

62 ms

NaPDcZTIAOhVxoMyOr9n_E7ffGjEGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffGjEGItzZQ.woff

63 ms

NaPDcZTIAOhVxoMyOr9n_E7ffAzHGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffAzHGItzZQ.woff

98 ms

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZQ.woff

123 ms

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZQ.woff

128 ms

NaPDcZTIAOhVxoMyOr9n_E7ffEDBGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffEDBGItzZQ.woff

123 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

35 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYw.woff

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYw.woff

128 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs18NvsUZiYw.woff

TK3_WkUHHAIjg75cFRf3bXL8LICs18NvsUZiYw.woff

126 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYw.woff

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYw.woff

125 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs13FvsUZiYw.woff

TK3_WkUHHAIjg75cFRf3bXL8LICs13FvsUZiYw.woff

125 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYw.woff

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYw.woff

127 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYw.woff

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYw.woff

128 ms

style1.png

style1.png

302 ms

bg-effect2.png

bg-effect2.png

346 ms

bg-effect.png

bg-effect.png

345 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

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

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: