Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

jeroenkemna.nl

Welkom op de website van Be Flex BV | Be Flex - Adviesbureau voor overheid en corporaties

Page Load Speed

2.2 sec in total

First Response

485 ms

Resources Loaded

1.6 sec

Page Rendered

92 ms

jeroenkemna.nl screenshot

About Website

Welcome to jeroenkemna.nl homepage info - get ready to check Jero En Kemna best content right away, or after learning these important things about jeroenkemna.nl

Interimmanagement Be Flex B.V. levert interimmanagers aan gemeenten corporaties op velerlei projecten c.q. diensten. Daarnaast geven wij incompany trainin...

Visit jeroenkemna.nl

Key Findings

We analyzed Jeroenkemna.nl page load time and found that the first response time was 485 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

jeroenkemna.nl performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

65/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value1,820 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

jeroenkemna.nl

485 ms

style.css

225 ms

piwik.js

406 ms

functions.js

318 ms

mod_Chat.js

325 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 71% of them (5 requests) were addressed to the original Jeroenkemna.nl, 29% (2 requests) were made to Stats.roosit.eu. The less responsive or slowest element that took the longest time to load (742 ms) relates to the external source Stats.roosit.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.2 kB (57%)

Content Size

28.7 kB

After Optimization

12.5 kB

In fact, the total size of Jeroenkemna.nl main page is 28.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 24.1 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 990 B

  • Original 1.7 kB
  • After minification 1.6 kB
  • After compression 703 B

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 990 B or 58% of the original size.

Image Optimization

-11%

Potential reduce by 184 B

  • Original 1.7 kB
  • After minification 1.5 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. Obviously, Jero En Kemna needs image optimization as it can save up to 184 B or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 14.3 kB

  • Original 24.1 kB
  • After minification 23.7 kB
  • After compression 9.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 14.3 kB or 59% of the original size.

CSS Optimization

-62%

Potential reduce by 763 B

  • Original 1.2 kB
  • After minification 931 B
  • After compression 467 B

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. Jeroenkemna.nl needs all CSS files to be minified and compressed as it can save up to 763 B or 62% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jero En Kemna. According to our analytics all requests are already optimized.

Accessibility Review

jeroenkemna.nl accessibility score

91

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

jeroenkemna.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jeroenkemna.nl SEO score

95

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jeroenkemna.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jeroenkemna.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 Jero En Kemna. 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: