Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

duall.com

Du-All Art & Drafting Supply, Fine Drawing & Art Supplies

Page Load Speed

5.5 sec in total

First Response

134 ms

Resources Loaded

4 sec

Page Rendered

1.4 sec

duall.com screenshot

About Website

Welcome to duall.com homepage info - get ready to check Du All best content for United States right away, or after learning these important things about duall.com

Du-All Art and Drafting Supply, a trusted name for plotters, technical pens, markers, drawing, office supplies; Alvin, Chartpak, Copic, Fairgate, Kohinoor, Staedtler products, since 1950.

Visit duall.com

Key Findings

We analyzed Duall.com page load time and found that the first response time was 134 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

duall.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value14,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

Network Requests Diagram

duall.com

134 ms

www.duall.com

1409 ms

suggestions.js

63 ms

desktop.css

106 ms

seal.js

66 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 76% of them (57 requests) were addressed to the original Duall.com, 8% (6 requests) were made to Youtube.com and 3% (2 requests) were made to Sealserver.trustwave.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Duall.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 546.7 kB (42%)

Content Size

1.3 MB

After Optimization

769.6 kB

In fact, the total size of Duall.com main page is 1.3 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. 50% of websites need less resources to load. Images take 660.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 165.1 kB

  • Original 199.8 kB
  • After minification 198.8 kB
  • After compression 34.8 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 165.1 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 40.4 kB

  • Original 660.7 kB
  • After minification 620.3 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. Du All images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 25.7 kB

  • Original 76.3 kB
  • After minification 76.2 kB
  • After compression 50.6 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 25.7 kB or 34% of the original size.

CSS Optimization

-83%

Potential reduce by 315.6 kB

  • Original 379.5 kB
  • After minification 379.3 kB
  • After compression 64.0 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. Duall.com needs all CSS files to be minified and compressed as it can save up to 315.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (20%)

Requests Now

71

After Optimization

57

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Du All. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

duall.com accessibility score

65

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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 [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

duall.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Page has valid source maps

SEO Factors

duall.com SEO score

97

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duall.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Duall.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

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