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Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

professionele-site.nl

Vormgeving met Visie, Succes door Techniek | VrijdagOnline

Page Load Speed

4.2 sec in total

First Response

262 ms

Resources Loaded

2.9 sec

Page Rendered

1.1 sec

About Website

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

Wij ontwerpen en ontwikkelen Umbraco websites, webshops & klantportalen. Umbraco professionals sinds 2010! Beoordeeld met 4.9 van 5 sterren.

Visit professionele-site.nl

Key Findings

We analyzed Professionele-site.nl page load time and found that the first response time was 262 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

professionele-site.nl performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value2,330 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.642

9/100

15%

TTI (Time to Interactive)

Value10.7 s

23/100

10%

Network Requests Diagram

professionele-site.nl

262 ms

vrijdagonline.nl

864 ms

gtm.js

61 ms

css

278 ms

css

69 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Professionele-site.nl, 47% (21 requests) were made to Vrijdagonline.nl and 13% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (864 ms) relates to the external source Vrijdagonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 315.6 kB (21%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Professionele-site.nl main page is 1.5 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. 40% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 29.4 kB

  • Original 38.3 kB
  • After minification 33.9 kB
  • After compression 8.8 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 4.3 kB, which is 11% 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 29.4 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 22.5 kB

  • Original 1.0 MB
  • After minification 994.9 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. Professionele Site images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 263.7 kB

  • Original 424.3 kB
  • After minification 424.3 kB
  • After compression 160.6 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 263.7 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (30%)

Requests Now

27

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Professionele Site. 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.

Network Requests Diagram

Accessibility Review

professionele-site.nl accessibility score

96

Accessibility Issues

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

Best Practices

professionele-site.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

High

Page has valid source maps

SEO Factors

professionele-site.nl SEO score

100

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Professionele-site.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 Professionele-site.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 Professionele Site. 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: