Tools & Wizards About Us
dui-online.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dui-online.com

Drysuits & Diving Equipment from Diving Unlimited International | DUI

Page Load Speed

3.9 sec in total

First Response

197 ms

Resources Loaded

3 sec

Page Rendered

708 ms

dui-online.com screenshot

About Website

Click here to check amazing DUI Online content for United States. Otherwise, check out these important facts you probably never knew about dui-online.com

World's leader in drysuits for recreational, military, public safety, technical and commercial diving.

Visit dui-online.com

Key Findings

We analyzed Dui-online.com page load time and found that the first response time was 197 ms and then it took 3.7 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

dui-online.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value22.4 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value23.2 s

1/100

10%

Network Requests Diagram

dui-online.com

197 ms

www.divedui.com

345 ms

css

55 ms

styles.scss.css

38 ms

app.js

74 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dui-online.com, 51% (37 requests) were made to Divedui.com and 6% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Divedui.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.7 kB (7%)

Content Size

4.0 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dui-online.com main page is 4.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 181.1 kB

  • Original 217.7 kB
  • After minification 187.7 kB
  • After compression 36.5 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 30.0 kB, which is 14% 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 181.1 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 6.7 kB

  • Original 2.9 MB
  • After minification 2.9 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. DUI Online images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 98.8 kB

  • Original 776.9 kB
  • After minification 772.5 kB
  • After compression 678.2 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 98.8 kB or 13% of the original size.

CSS Optimization

-0%

Potential reduce by 98 B

  • Original 38.4 kB
  • After minification 38.4 kB
  • After compression 38.3 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. Dui-online.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (48%)

Requests Now

62

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DUI Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dui-online.com

dui-online.com

197 ms

www.divedui.com

www.divedui.com

345 ms

css

css

55 ms

styles.scss.css

styles.scss.css

38 ms

app.js

app.js

74 ms

preloads.js

preloads.js

53 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

50 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

50 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

50 ms

bold-options.css

bold-options.css

56 ms

js

js

72 ms

hulkcode.js

hulkcode.js

278 ms

mc-validate.js

mc-validate.js

83 ms

javascript

javascript

82 ms

options.js

options.js

47 ms

gtm.js

gtm.js

368 ms

gtm.js

gtm.js

400 ms

trekkie.storefront.dd626a6a6fbdab104f8779acc4331c330134c832.min.js

trekkie.storefront.dd626a6a6fbdab104f8779acc4331c330134c832.min.js

364 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

363 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

394 ms

jquery.min.js

jquery.min.js

330 ms

DUI_LOGO-white231webtm_205x@2x.png

DUI_LOGO-white231webtm_205x@2x.png

284 ms

blackbar_1600x.jpg

blackbar_1600x.jpg

462 ms

drysuit_imax_1600x.jpg

drysuit_imax_1600x.jpg

632 ms

DUI---60th---DUI-Logo---Color---v1_1180x@2x.png

DUI---60th---DUI-Logo---Color---v1_1180x@2x.png

593 ms

DUI-Flood_Sale_Raffle-Website-Banner-v2_1180x@2x.jpg

DUI-Flood_Sale_Raffle-Website-Banner-v2_1180x@2x.jpg

594 ms

FrontPage_2Suits_Shopify_840x.jpg

FrontPage_2Suits_Shopify_840x.jpg

630 ms

S11518050-2_ergebnis_Shopify_840x.jpg

S11518050-2_ergebnis_Shopify_840x.jpg

631 ms

OMS-Diving-Regulators_cf25614a-86e8-49ba-ad74-c1f1a80925e1_840x.jpg

OMS-Diving-Regulators_cf25614a-86e8-49ba-ad74-c1f1a80925e1_840x.jpg

733 ms

FrontPage_Harnesses_Shopify_840x.jpg

FrontPage_Harnesses_Shopify_840x.jpg

776 ms

93fc8377-ffdd-460e-8ad6-2d4d11c992c3_840x.png

93fc8377-ffdd-460e-8ad6-2d4d11c992c3_840x.png

942 ms

FrontPage_OMSBags_Shopify_840x.jpg

FrontPage_OMSBags_Shopify_840x.jpg

925 ms

historyofscuba-backdrop_2_1600x.jpg

historyofscuba-backdrop_2_1600x.jpg

980 ms

blank_840x.jpg

blank_840x.jpg

741 ms

DesignMyDrysuit-animation-SMALL_840x.gif

DesignMyDrysuit-animation-SMALL_840x.gif

793 ms

loader.gif

loader.gif

807 ms

DUI-Military-Banner-Tall-02_1180x@2x.jpg

DUI-Military-Banner-Tall-02_1180x@2x.jpg

1305 ms

Michael-DK--Performance-Mono-System---Tattoo-Mask---DSC04572_1600x.jpg

Michael-DK--Performance-Mono-System---Tattoo-Mask---DSC04572_1600x.jpg

1336 ms

50Years-Since-1963_1180x@2x.jpg

50Years-Since-1963_1180x@2x.jpg

1110 ms

Michael_400x@2x.jpg

Michael_400x@2x.jpg

1248 ms

Mark_400x@2x.jpg

Mark_400x@2x.jpg

1156 ms

Tim_400x@2x.jpg

Tim_400x@2x.jpg

1426 ms

DPEuYwWHyAYGVTSmalsRcd3b.ttf

DPEuYwWHyAYGVTSmalsRcd3b.ttf

280 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf

334 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrQ.ttf

335 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

335 ms

ootsb.ttf

ootsb.ttf

1107 ms

widgets.js

widgets.js

313 ms

Alberto-Nava---9Y3A7256-01drk_1600x.jpg

Alberto-Nava---9Y3A7256-01drk_1600x.jpg

1797 ms

Alberto-Nava---9Y3A7256_1600x.jpg

Alberto-Nava---9Y3A7256_1600x.jpg

1622 ms

js

js

128 ms

analytics.js

analytics.js

173 ms

hotjar-751770.js

hotjar-751770.js

164 ms

5fc5888138cf6788f28057efac6499685f1f0f51.js

5fc5888138cf6788f28057efac6499685f1f0f51.js

262 ms

jquery-ui.min.js

jquery-ui.min.js

130 ms

collect

collect

42 ms

collect

collect

151 ms

spin.min.js

spin.min.js

131 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

70 ms

modules.1a30a0a67c3c23c13060.js

modules.1a30a0a67c3c23c13060.js

16 ms

modules-v26.js

modules-v26.js

24 ms

settings

settings

68 ms

ootsb.woff

ootsb.woff

334 ms

ootsb.svg

ootsb.svg

210 ms

customer_pricing.php

customer_pricing.php

46 ms

customizery.js

customizery.js

107 ms

aba10feb5ac4db00b98dce28a.js

aba10feb5ac4db00b98dce28a.js

106 ms

easyslide.js

easyslide.js

63 ms

shopify-product-customizer.js

shopify-product-customizer.js

195 ms

template-designer.js

template-designer.js

157 ms

automatic-discount-v2.min.js

automatic-discount-v2.min.js

54 ms

customer_pricing.php

customer_pricing.php

97 ms

Accessibility Review

dui-online.com accessibility score

87

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

Image elements do not have [alt] attributes

Best Practices

dui-online.com 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

High

Page has valid source maps

SEO Factors

dui-online.com SEO score

85

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Dui-online.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 Dui-online.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

dui-online.com

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