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duus.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

duus.com

Hosted By One.com | Webhosting made simple

Page Load Speed

2.5 sec in total

First Response

836 ms

Resources Loaded

1.5 sec

Page Rendered

140 ms

duus.com screenshot

About Website

Visit duus.com now to see the best up-to-date Duus content and also check out these interesting facts you probably never knew about duus.com

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Key Findings

We analyzed Duus.com page load time and found that the first response time was 836 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

duus.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

duus.com

836 ms

montserrat600.woff

545 ms

montserrat400.woff

631 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 33% of them (1 request) were addressed to the original Duus.com, 67% (2 requests) were made to Www-static.cdn-one.com. The less responsive or slowest element that took the longest time to load (836 ms) belongs to the original domain Duus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 279.1 kB (35%)

Content Size

797.1 kB

After Optimization

518.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duus.com main page is 797.1 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. Only 5% of websites need less resources to load. Images take 303.6 kB which makes up the majority of the site volume.

HTML Optimization

-31%

Potential reduce by 60.5 kB

  • Original 197.0 kB
  • After minification 197.0 kB
  • After compression 136.6 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. 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 60.5 kB or 31% of the original size.

Image Optimization

-1%

Potential reduce by 2.5 kB

  • Original 303.6 kB
  • After minification 301.0 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. Duus images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 139.9 kB

  • Original 206.9 kB
  • After minification 163.7 kB
  • After compression 67.0 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 139.9 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 76.2 kB

  • Original 89.7 kB
  • After minification 70.8 kB
  • After compression 13.5 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. Duus.com needs all CSS files to be minified and compressed as it can save up to 76.2 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

duus.com

duus.com

836 ms

montserrat600.woff

montserrat600.woff

545 ms

montserrat400.woff

montserrat400.woff

631 ms

Accessibility Review

duus.com accessibility score

94

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

Best Practices

duus.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

duus.com SEO score

92

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 Duus.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 Duus.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

duus.com

Open Graph description is not detected on the main page of Duus. 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: