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dcoder.tech screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

dcoder.tech

Dcoder

Page Load Speed

4.7 sec in total

First Response

661 ms

Resources Loaded

3.6 sec

Page Rendered

506 ms

dcoder.tech screenshot

About Website

Visit dcoder.tech now to see the best up-to-date Dcoder content for China and also check out these interesting facts you probably never knew about dcoder.tech

Dcoder is an online compiler, a cloud based IDE for mobile and desktops, where one can code and learn algorithms. Now code, compile, run anytime anywhere.

Visit dcoder.tech

Key Findings

We analyzed Dcoder.tech page load time and found that the first response time was 661 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dcoder.tech performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

dcoder.tech

661 ms

bootstrap.min.css

267 ms

owl.carousel.css

505 ms

owl.theme.css

510 ms

Pe-icon-7-stroke.css

524 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 92% of them (48 requests) were addressed to the original Dcoder.tech, 8% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Dcoder.tech.

Page Optimization Overview & Recommendations

Page size can be reduced by 192.5 kB (20%)

Content Size

949.3 kB

After Optimization

756.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dcoder.tech main page is 949.3 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. 50% of websites need less resources to load. Images take 690.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 39.1 kB

  • Original 44.7 kB
  • After minification 22.9 kB
  • After compression 5.6 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 21.8 kB, which is 49% 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 39.1 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 5.3 kB

  • Original 690.6 kB
  • After minification 685.3 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. Dcoder images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 148.1 kB

  • Original 214.0 kB
  • After minification 209.9 kB
  • After compression 65.9 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 148.1 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (51%)

Requests Now

49

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dcoder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dcoder.tech

dcoder.tech

661 ms

bootstrap.min.css

bootstrap.min.css

267 ms

owl.carousel.css

owl.carousel.css

505 ms

owl.theme.css

owl.theme.css

510 ms

Pe-icon-7-stroke.css

Pe-icon-7-stroke.css

524 ms

font-awesome.min.css

font-awesome.min.css

533 ms

prettyPhoto.css

prettyPhoto.css

529 ms

style.css

style.css

539 ms

animate.css

animate.css

754 ms

responsive.css

responsive.css

764 ms

mobilevideo.css

mobilevideo.css

783 ms

jquery.min.js

jquery.min.js

824 ms

bootstrap.min.js

bootstrap.min.js

835 ms

owl.carousel.js

owl.carousel.js

835 ms

jquery.fitvids.js

jquery.fitvids.js

998 ms

smoothscroll.js

smoothscroll.js

1013 ms

jquery.parallax-1.1.3.js

jquery.parallax-1.1.3.js

1039 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

1049 ms

jquery.ajaxchimp.min.js

jquery.ajaxchimp.min.js

1055 ms

jquery.ajaxchimp.langs.js

jquery.ajaxchimp.langs.js

1071 ms

wow.min.js

wow.min.js

1248 ms

waypoints.min.js

waypoints.min.js

1268 ms

jquery.counterup.min.js

jquery.counterup.min.js

1303 ms

script.js

script.js

1309 ms

dcoder_logo.png

dcoder_logo.png

1373 ms

dcoder_home.png

dcoder_home.png

1873 ms

dcoder_editors.png

dcoder_editors.png

2246 ms

User1.jpg

User1.jpg

1775 ms

User2.jpg

User2.jpg

1823 ms

User5.jpg

User5.jpg

1571 ms

User4.jpg

User4.jpg

1579 ms

User3.jpg

User3.jpg

1833 ms

dcoder_green_drawer.png

dcoder_green_drawer.png

1844 ms

dcoder_code_editor_dark.png

dcoder_code_editor_dark.png

2031 ms

dcoder_drawer_blue.png

dcoder_drawer_blue.png

2085 ms

dcoder_code_compiler_blue.png

dcoder_code_compiler_blue.png

2098 ms

css

css

49 ms

dcoder_code_editor_light.png

dcoder_code_editor_light.png

2109 ms

css

css

12 ms

css

css

13 ms

css

css

13 ms

dcoder_input_dialog.png

dcoder_input_dialog.png

1886 ms

dcoder_algo.png

dcoder_algo.png

1801 ms

dcoder_leaderboard.png

dcoder_leaderboard.png

1852 ms

dcoder_paprbit.png

dcoder_paprbit.png

1848 ms

dcoder_themes.png

dcoder_themes.png

2120 ms

home.jpg

home.jpg

1903 ms

testimonial.jpg

testimonial.jpg

1722 ms

phone_video.png

phone_video.png

1768 ms

fun_bg.jpg

fun_bg.jpg

2093 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2053 ms

Pe-icon-7-stroke.woff

Pe-icon-7-stroke.woff

1921 ms

Accessibility Review

dcoder.tech 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.

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

dcoder.tech best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dcoder.tech 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 Dcoder.tech 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 Dcoder.tech 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

dcoder.tech

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