Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

jwl.dk

Dansk producerede blæsepistoler og værktøjer til trykluft - JWL A/S

Page Load Speed

4.1 sec in total

First Response

542 ms

Resources Loaded

2.6 sec

Page Rendered

1 sec

jwl.dk screenshot

About Website

Visit jwl.dk now to see the best up-to-date JWL content and also check out these interesting facts you probably never knew about jwl.dk

Find de kendte Air Boy blæsepistoler, trykluftværktøjer og koblinger. Dansk kvalitet siden 1963 og med 25 års garanti på ventil-systemet.

Visit jwl.dk

Key Findings

We analyzed Jwl.dk page load time and found that the first response time was 542 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jwl.dk performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

www.jwl.dk

542 ms

uc.js

23 ms

style.min.css

86 ms

style.build.css

359 ms

style-index.css

445 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 7% of them (4 requests) were addressed to the original Jwl.dk, 84% (46 requests) were made to Usercontent.one and 7% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (998 ms) relates to the external source Usercontent.one.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.7 kB (14%)

Content Size

2.0 MB

After Optimization

1.7 MB

In fact, the total size of Jwl.dk main page is 2.0 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 108.3 kB

  • Original 132.1 kB
  • After minification 130.9 kB
  • After compression 23.8 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 108.3 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 24.0 kB

  • Original 1.5 MB
  • After minification 1.5 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. JWL images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 154.7 kB

  • Original 290.2 kB
  • After minification 290.2 kB
  • After compression 135.4 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 154.7 kB or 53% of the original size.

CSS Optimization

-2%

Potential reduce by 1.6 kB

  • Original 97.9 kB
  • After minification 97.8 kB
  • After compression 96.3 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. Jwl.dk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (56%)

Requests Now

54

After Optimization

24

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JWL. 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 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jwl.dk accessibility score

98

Accessibility Issues

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

Links do not have a discernible name

Best Practices

jwl.dk 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

jwl.dk SEO score

93

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

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

Language and Encoding

  • Language Detected

    DA

  • Language Claimed

    DA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jwl.dk can be misinterpreted by Google and other search engines. Our service has detected that Danish is used on the page, and it matches the claimed language. Our system also found out that Jwl.dk 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 JWL. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: