Tools & Wizards About Us
duvel.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

duvel.com

Ssst... het beste blond Belgisch bier ter wereld | Duvel

Page Load Speed

5.5 sec in total

First Response

338 ms

Resources Loaded

2.4 sec

Page Rendered

2.7 sec

duvel.com screenshot

About Website

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

Welkom in de wereld van Duvel. Kom meer te weten over het unieke brouwproces, de geschiedenis en het schenkritueel. Het beste blond Belgisch bier ter…

Visit duvel.com

Key Findings

We analyzed Duvel.com page load time and found that the first response time was 338 ms and then it took 5.1 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

duvel.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.326

35/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

duvel.com

338 ms

www.duvel.com

373 ms

www.duvel.com

387 ms

inert.css

91 ms

main.css

260 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 89% of them (24 requests) were addressed to the original Duvel.com, 7% (2 requests) were made to Connect.getflowbox.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (864 ms) belongs to the original domain Duvel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.3 kB (8%)

Content Size

584.1 kB

After Optimization

538.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Duvel.com main page is 584.1 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. 65% of websites need less resources to load. Images take 511.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 45.2 kB

  • Original 52.4 kB
  • After minification 37.6 kB
  • After compression 7.2 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 14.8 kB, which is 28% 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 45.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 511.0 kB
  • After minification 511.0 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. Duvel images are well optimized though.

CSS Optimization

-0%

Potential reduce by 67 B

  • Original 20.6 kB
  • After minification 20.6 kB
  • After compression 20.6 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. Duvel.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duvel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

duvel.com

duvel.com

338 ms

www.duvel.com

www.duvel.com

373 ms

www.duvel.com

www.duvel.com

387 ms

inert.css

inert.css

91 ms

main.css

main.css

260 ms

main.js

main.js

736 ms

main.css

main.css

648 ms

main.js

main.js

864 ms

gtm.js

gtm.js

414 ms

logo.svg

logo.svg

532 ms

stamp-ontap.svg

stamp-ontap.svg

625 ms

1E8A3646.jpg

1E8A3646.jpg

657 ms

bg-paper.jpg

bg-paper.jpg

657 ms

LostFrequencies_square.jpg

LostFrequencies_square.jpg

658 ms

DUVEL_MeiningersAward2022_4x5Horizontal_1.jpg

DUVEL_MeiningersAward2022_4x5Horizontal_1.jpg

674 ms

stripes.svg

stripes.svg

675 ms

Duvel-666-Button-overview.jpg

Duvel-666-Button-overview.jpg

749 ms

DSC_2509_tanks_HR_compressed.jpg

DSC_2509_tanks_HR_compressed.jpg

752 ms

Brewed-to-be-lived-hero.jpg

Brewed-to-be-lived-hero.jpg

863 ms

belgianfamilybrewers.jpg

belgianfamilybrewers.jpg

675 ms

flowbox.js

flowbox.js

61 ms

ArcherPro-Semibold.woff

ArcherPro-Semibold.woff

494 ms

ArcherPro-Medium.woff

ArcherPro-Medium.woff

654 ms

ArcherPro-Bold.woff

ArcherPro-Bold.woff

450 ms

icons.woff

icons.woff

558 ms

westmount-regular-webfont.woff

westmount-regular-webfont.woff

559 ms

flowbox-flow-embed.js

flowbox-flow-embed.js

49 ms

Accessibility Review

duvel.com accessibility score

92

Accessibility Issues

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

duvel.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

duvel.com SEO score

90

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

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

duvel.com

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