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duocom.rs screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% 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

  • 91

    SEO

    Google-friendlier than
    70% of websites

duocom.rs

Početna - /

Page Load Speed

9.4 sec in total

First Response

354 ms

Resources Loaded

8.3 sec

Page Rendered

768 ms

duocom.rs screenshot

About Website

Welcome to duocom.rs homepage info - get ready to check Duocom best content for Serbia right away, or after learning these important things about duocom.rs

Početna

Visit duocom.rs

Key Findings

We analyzed Duocom.rs page load time and found that the first response time was 354 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

duocom.rs performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.197

63/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

duocom.rs

354 ms

www.duocom.rs

413 ms

www.duocom.rs

5960 ms

3.3.1_jquery.min.js

476 ms

bootstrap.min.css

570 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 86% of them (44 requests) were addressed to the original Duocom.rs, 12% (6 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Duocom.rs.

Page Optimization Overview & Recommendations

Page size can be reduced by 631.8 kB (15%)

Content Size

4.2 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duocom.rs main page is 4.2 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. 55% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 239.6 kB

  • Original 253.9 kB
  • After minification 181.0 kB
  • After compression 14.3 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 72.9 kB, which is 29% 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 239.6 kB or 94% of the original size.

Image Optimization

-0%

Potential reduce by 10.8 kB

  • Original 3.4 MB
  • After minification 3.4 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. Duocom images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 164.0 kB

  • Original 233.3 kB
  • After minification 228.4 kB
  • After compression 69.2 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 164.0 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 217.5 kB

  • Original 264.1 kB
  • After minification 237.7 kB
  • After compression 46.7 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. Duocom.rs needs all CSS files to be minified and compressed as it can save up to 217.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (43%)

Requests Now

40

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duocom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duocom.rs

duocom.rs

354 ms

www.duocom.rs

www.duocom.rs

413 ms

www.duocom.rs

www.duocom.rs

5960 ms

3.3.1_jquery.min.js

3.3.1_jquery.min.js

476 ms

bootstrap.min.css

bootstrap.min.css

570 ms

bootstrap.min.js

bootstrap.min.js

382 ms

bootbox.min.js

bootbox.min.js

381 ms

jquery.lazy.min.js

jquery.lazy.min.js

288 ms

style.css

style.css

588 ms

custom.css

custom.css

486 ms

fancybox.css

fancybox.css

486 ms

all.min.css

all.min.css

610 ms

css2

css2

31 ms

slick.css

slick.css

586 ms

color.css

color.css

586 ms

slick.min.js

slick.min.js

166 ms

translator.js

translator.js

357 ms

main.js

main.js

357 ms

main_function.js

main_function.js

358 ms

cart.js

cart.js

357 ms

login_registration.js

login_registration.js

358 ms

fixed_header.js

fixed_header.js

358 ms

logo-duocom%20(1).png

logo-duocom%20(1).png

102 ms

image-cart.png

image-cart.png

101 ms

30.png

30.png

102 ms

31.jpg

31.jpg

101 ms

32.jpg

32.jpg

332 ms

33.jpg

33.jpg

106 ms

24.jpg

24.jpg

504 ms

51.jpg

51.jpg

692 ms

62.jpg

62.jpg

598 ms

63.jpg

63.jpg

331 ms

67.jpg

67.jpg

1068 ms

68.jpg

68.jpg

792 ms

69.jpg

69.jpg

700 ms

8.png

8.png

599 ms

9.png

9.png

692 ms

10.png

10.png

693 ms

11.png

11.png

786 ms

31.jpg

31.jpg

1163 ms

43.jpg

43.jpg

1261 ms

60.jpg

60.jpg

800 ms

quick_view_loader.gif

quick_view_loader.gif

885 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

20 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0C4n.ttf

90 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

175 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

173 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

175 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4n.ttf

175 ms

fa-solid-900.woff

fa-solid-900.woff

797 ms

fa-regular-400.woff

fa-regular-400.woff

831 ms

Accessibility Review

duocom.rs accessibility score

88

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

duocom.rs 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

SEO Factors

duocom.rs SEO score

91

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

    SR

  • Language Claimed

    SR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duocom.rs can be misinterpreted by Google and other search engines. Our service has detected that Serbian is used on the page, and it matches the claimed language. Our system also found out that Duocom.rs 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

duocom.rs

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