Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

duvel.be

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

Page Load Speed

3.2 sec in total

First Response

369 ms

Resources Loaded

2.4 sec

Page Rendered

508 ms

duvel.be screenshot

About Website

Click here to check amazing Duvel content for United States. Otherwise, check out these important facts you probably never knew about duvel.be

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.be

Key Findings

We analyzed Duvel.be page load time and found that the first response time was 369 ms and then it took 2.9 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

duvel.be performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.326

35/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

duvel.be

369 ms

duvel.com

364 ms

www.duvel.com

234 ms

www.duvel.com

642 ms

inert.css

20 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Duvel.be, 77% (27 requests) were made to Duvel.com and 14% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (642 ms) relates to the external source Duvel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.0 kB (7%)

Content Size

701.7 kB

After Optimization

654.7 kB

In fact, the total size of Duvel.be main page is 701.7 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 531.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 46.8 kB

  • Original 54.7 kB
  • After minification 40.3 kB
  • After compression 7.8 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. This page needs HTML code to be minified as it can gain 14.3 kB, which is 26% 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 46.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 531.8 kB
  • After minification 531.8 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.

JavaScript Optimization

-0%

Potential reduce by 82 B

  • Original 92.9 kB
  • After minification 92.9 kB
  • After compression 92.8 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

-0%

Potential reduce by 80 B

  • Original 22.3 kB
  • After minification 22.3 kB
  • After compression 22.3 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. Duvel.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

The browser has sent 26 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 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

duvel.be 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.be 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.be 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.be 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.be 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 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: