Tools & Wizards About Us
duoplc.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

duoplc.com

Full-Service Processing Solutions | Duo Group | UK | Northern Ireland | Ireland

Page Load Speed

3.1 sec in total

First Response

353 ms

Resources Loaded

2.2 sec

Page Rendered

462 ms

duoplc.com screenshot

About Website

Welcome to duoplc.com homepage info - get ready to check Duo Plc best content right away, or after learning these important things about duoplc.com

Processing solutions for the Quarrying, Aggregate, Recycling & Handling Industries. Duo has a history that dates back to 1981. Duo Group Holdings Ltd.

Visit duoplc.com

Key Findings

We analyzed Duoplc.com page load time and found that the first response time was 353 ms and then it took 2.7 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

duoplc.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value6.7 s

37/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

duogroup.co.uk

353 ms

formidableforms.css

86 ms

style.min.css

169 ms

a11y-toolbar.css

246 ms

a11y.css

247 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Duoplc.com, 11% (7 requests) were made to Cdnjs.cloudflare.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (782 ms) relates to the external source Duogroup.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.2 kB (3%)

Content Size

1.7 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duoplc.com main page is 1.7 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. 40% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 49.0 kB

  • Original 58.3 kB
  • After minification 54.2 kB
  • After compression 9.3 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. 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 49.0 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 3.3 kB

  • Original 1.6 MB
  • After minification 1.6 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. Duo Plc images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.3 kB

  • Original 57.0 kB
  • After minification 57.0 kB
  • After compression 55.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 1.6 kB

  • Original 53.5 kB
  • After minification 53.5 kB
  • After compression 51.9 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. Duoplc.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (39%)

Requests Now

57

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duo Plc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duogroup.co.uk

duogroup.co.uk

353 ms

formidableforms.css

formidableforms.css

86 ms

style.min.css

style.min.css

169 ms

a11y-toolbar.css

a11y-toolbar.css

246 ms

a11y.css

a11y.css

247 ms

a11y-fontsize.css

a11y-fontsize.css

247 ms

wpa-style.css

wpa-style.css

251 ms

style.css

style.css

360 ms

fonts.css

fonts.css

308 ms

css

css

34 ms

jquery.min.js

jquery.min.js

410 ms

fingerprint.min.js

fingerprint.min.js

329 ms

jquery.bxslider.min.css

jquery.bxslider.min.css

38 ms

hamburgers.min.css

hamburgers.min.css

52 ms

magnific-popup.min.css

magnific-popup.min.css

54 ms

wpa-toolbar.min.js

wpa-toolbar.min.js

329 ms

a11y.min.js

a11y.min.js

330 ms

script.js

script.js

513 ms

longdesc.min.js

longdesc.min.js

479 ms

wp-accessibility.min.js

wp-accessibility.min.js

480 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

52 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

60 ms

wow.min.js

wow.min.js

57 ms

functions.js

functions.js

479 ms

js

js

70 ms

search-close.svg

search-close.svg

142 ms

company-logo-outline.svg

company-logo-outline.svg

144 ms

search-open.svg

search-open.svg

142 ms

duo-home-slide-1.jpg

duo-home-slide-1.jpg

491 ms

Metso-Lokotrack-LT200HP-on-site8.jpg

Metso-Lokotrack-LT200HP-on-site8.jpg

328 ms

duo-home-slide-2.jpg

duo-home-slide-2.jpg

378 ms

duo-home-slide-3.jpg

duo-home-slide-3.jpg

489 ms

right-chevron.svg

right-chevron.svg

236 ms

refresh.svg

refresh.svg

238 ms

duo-home-plantdesign.jpg

duo-home-plantdesign.jpg

413 ms

duo-home-manufacturing.jpg

duo-home-manufacturing.jpg

450 ms

duo-home-contractprocessing.jpg

duo-home-contractprocessing.jpg

410 ms

duo-home-civilengineering.jpg

duo-home-civilengineering.jpg

481 ms

Metso-website-e1652873963611.png

Metso-website-e1652873963611.png

492 ms

duo-home-financesolutions.jpg

duo-home-financesolutions.jpg

495 ms

tarmac.jpg

tarmac.jpg

540 ms

sandvik.jpg

sandvik.jpg

583 ms

mwh.jpg

mwh.jpg

570 ms

hanson.jpg

hanson.jpg

571 ms

cemex.jpg

cemex.jpg

574 ms

aggregate-industries.jpg

aggregate-industries.jpg

578 ms

ukas-urs-logos.png

ukas-urs-logos.png

629 ms

achilles-building-member.png

achilles-building-member.png

651 ms

avetta-logo.png

avetta-logo.png

652 ms

constuctionline-logo.png

constuctionline-logo.png

655 ms

achilles-uvdb-member.png

achilles-uvdb-member.png

659 ms

environment-agency.png

environment-agency.png

685 ms

linkedin.svg

linkedin.svg

719 ms

twitter.svg

twitter.svg

732 ms

facebook.svg

facebook.svg

733 ms

ripple-white.svg

ripple-white.svg

736 ms

latinotype_-_facundo_light-webfont.woff

latinotype_-_facundo_light-webfont.woff

709 ms

latinotype_-_facundo_regular-webfont.woff

latinotype_-_facundo_regular-webfont.woff

754 ms

latinotype_-_facundo_semibold-webfont.woff

latinotype_-_facundo_semibold-webfont.woff

782 ms

latinotype_-_facundo_bold-webfont.woff

latinotype_-_facundo_bold-webfont.woff

782 ms

latinotype_-_facundo_black-webfont.woff

latinotype_-_facundo_black-webfont.woff

706 ms

bx_loader.gif

bx_loader.gif

63 ms

close.svg

close.svg

609 ms

Accessibility Review

duoplc.com accessibility score

85

Accessibility Issues

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-hidden="true"] elements contain focusable descendents

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

duoplc.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

duoplc.com SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duoplc.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 Duoplc.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

duoplc.com

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