Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

quartel.nl

Quartel.nl - De grootste modelbouw specialist van Zuid Holland

Page Load Speed

3.8 sec in total

First Response

452 ms

Resources Loaded

3 sec

Page Rendered

356 ms

quartel.nl screenshot

About Website

Welcome to quartel.nl homepage info - get ready to check Quartel best content for Netherlands right away, or after learning these important things about quartel.nl

Welkom op de internetpagina van Quartel modelbouw aan de delftsestraatweg 26d, 2641NB te Pijnacker. 015-369.22.05

Visit quartel.nl

Key Findings

We analyzed Quartel.nl page load time and found that the first response time was 452 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

quartel.nl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

quartel.nl

452 ms

webshop

347 ms

409 ms

shop.css

337 ms

mlddmenu.css

170 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 97% of them (66 requests) were addressed to the original Quartel.nl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (989 ms) belongs to the original domain Quartel.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.8 kB (36%)

Content Size

918.1 kB

After Optimization

588.2 kB

In fact, the total size of Quartel.nl main page is 918.1 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. 25% of websites need less resources to load. Images take 535.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 53.2 kB

  • Original 60.9 kB
  • After minification 52.7 kB
  • After compression 7.7 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 8.2 kB, which is 13% 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 53.2 kB or 87% of the original size.

Image Optimization

-7%

Potential reduce by 35.6 kB

  • Original 535.1 kB
  • After minification 499.5 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. Quartel images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 223.7 kB

  • Original 300.6 kB
  • After minification 249.5 kB
  • After compression 77.0 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 223.7 kB or 74% of the original size.

CSS Optimization

-81%

Potential reduce by 17.4 kB

  • Original 21.5 kB
  • After minification 15.8 kB
  • After compression 4.1 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. Quartel.nl needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (12%)

Requests Now

65

After Optimization

57

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Quartel. 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 as a result speed up the page load time.

Accessibility Review

quartel.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-hidden="true"] elements contain focusable descendents

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

quartel.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

quartel.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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Quartel.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 Quartel.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Quartel. 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: