Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

j-services.nl

Trending Topics - Build, Create and Learn

Page Load Speed

16.9 sec in total

First Response

7.5 sec

Resources Loaded

9 sec

Page Rendered

462 ms

j-services.nl screenshot

About Website

Welcome to j-services.nl homepage info - get ready to check J Services best content right away, or after learning these important things about j-services.nl

Build, Create and Learn

Visit j-services.nl

Key Findings

We analyzed J-services.nl page load time and found that the first response time was 7.5 sec and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize J-services.nl rating and web reputation

Performance Metrics

j-services.nl performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.239

52/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

j-services.nl

7473 ms

modernizr

221 ms

jservices.css

256 ms

bootstrap.css

479 ms

font-awesome.css

259 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 42% of them (18 requests) were addressed to the original J-services.nl, 19% (8 requests) were made to Pbs.twimg.com and 12% (5 requests) were made to Static.tradetracker.net. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain J-services.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 708.7 kB (64%)

Content Size

1.1 MB

After Optimization

405.2 kB

In fact, the total size of J-services.nl main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 726.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 69.8 kB

  • Original 102.5 kB
  • After minification 96.1 kB
  • After compression 32.8 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 69.8 kB or 68% of the original size.

Image Optimization

-17%

Potential reduce by 22.0 kB

  • Original 128.3 kB
  • After minification 106.3 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. Obviously, J Services needs image optimization as it can save up to 22.0 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 486.6 kB

  • Original 726.7 kB
  • After minification 701.4 kB
  • After compression 240.1 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 486.6 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 130.4 kB

  • Original 156.3 kB
  • After minification 149.4 kB
  • After compression 26.0 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. J-services.nl needs all CSS files to be minified and compressed as it can save up to 130.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (50%)

Requests Now

40

After Optimization

20

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J Services. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

j-services.nl accessibility score

83

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-*] attributes do not have valid values

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

j-services.nl 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

SEO Factors

j-services.nl SEO score

83

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

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 J-services.nl 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 J-services.nl 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 description is not detected on the main page of J Services. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: