Tools & Wizards About Us
jeroenkramer.nl screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

jeroenkramer.nl

JEROEN KRAMER - media & music

Page Load Speed

24.5 sec in total

First Response

11.5 sec

Resources Loaded

12.9 sec

Page Rendered

151 ms

jeroenkramer.nl screenshot

About Website

Welcome to jeroenkramer.nl homepage info - get ready to check JEROEN KRAMER best content right away, or after learning these important things about jeroenkramer.nl

Jeroen Kramer praat en zingt in camera’s, microfoons en op podia. Als zingende liedschrijver, voice-over, of presentator.

Visit jeroenkramer.nl

Key Findings

We analyzed Jeroenkramer.nl page load time and found that the first response time was 11.5 sec and then it took 13 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

jeroenkramer.nl performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

jeroenkramer.nl

11468 ms

css

24 ms

style.css

648 ms

responsive.css

457 ms

column-style.css

462 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 68% of them (30 requests) were addressed to the original Jeroenkramer.nl, 5% (2 requests) were made to S7.addthis.com and 5% (2 requests) were made to W1773.statistieken.colibri.nl. The less responsive or slowest element that took the longest time to load (11.5 sec) belongs to the original domain Jeroenkramer.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 572.0 kB (63%)

Content Size

910.0 kB

After Optimization

338.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jeroenkramer.nl main page is 910.0 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. 40% of websites need less resources to load. Javascripts take 666.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 47.7 kB

  • Original 67.3 kB
  • After minification 66.4 kB
  • After compression 19.5 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 47.7 kB or 71% of the original size.

Image Optimization

-27%

Potential reduce by 28.4 kB

  • Original 103.7 kB
  • After minification 75.3 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, JEROEN KRAMER needs image optimization as it can save up to 28.4 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 434.8 kB

  • Original 666.6 kB
  • After minification 641.5 kB
  • After compression 231.8 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 434.8 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 61.1 kB

  • Original 72.5 kB
  • After minification 57.9 kB
  • After compression 11.4 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. Jeroenkramer.nl needs all CSS files to be minified and compressed as it can save up to 61.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (48%)

Requests Now

42

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JEROEN KRAMER. 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.

Network Requests Diagram

jeroenkramer.nl

jeroenkramer.nl

11468 ms

css

css

24 ms

style.css

style.css

648 ms

responsive.css

responsive.css

457 ms

column-style.css

column-style.css

462 ms

pagenavi-css.css

pagenavi-css.css

338 ms

jwplayer.js

jwplayer.js

80 ms

jquery.min.js

jquery.min.js

7 ms

modernizr.min.js

modernizr.min.js

613 ms

jquery.easing.js

jquery.easing.js

447 ms

jquery.plugins.min.js

jquery.plugins.min.js

564 ms

jquery.jplayer.min.js

jquery.jplayer.min.js

702 ms

jquery.jcarousel.js

jquery.jcarousel.js

701 ms

theme.js

theme.js

561 ms

bit_widget.js

bit_widget.js

6 ms

bit_widget.js

bit_widget.js

28 ms

masonry.min.js

masonry.min.js

720 ms

jquery.masonry.min.js

jquery.masonry.min.js

632 ms

wp-embed.min.js

wp-embed.min.js

677 ms

addthis_widget.js

addthis_widget.js

9 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

387 ms

bg-pattern.png

bg-pattern.png

404 ms

analytics.js

analytics.js

643 ms

analytics.js

analytics.js

23 ms

jeroenlogo.gif

jeroenlogo.gif

410 ms

bg-pattern-nav.png

bg-pattern-nav.png

368 ms

nav-sep.png

nav-sep.png

266 ms

bg-pattern-black.png

bg-pattern-black.png

252 ms

bg-grad.png

bg-grad.png

370 ms

metjanrein-150x150.jpg

metjanrein-150x150.jpg

512 ms

moviestm1-150x150.jpg

moviestm1-150x150.jpg

544 ms

R001-004-150x150.jpg

R001-004-150x150.jpg

477 ms

voiceover-150x150.jpg

voiceover-150x150.jpg

583 ms

ojee-150x150.jpg

ojee-150x150.jpg

487 ms

repo2-1-150x150.jpg

repo2-1-150x150.jpg

654 ms

ScreenHunter_0081-150x150.jpg

ScreenHunter_0081-150x150.jpg

597 ms

jeroen-kramer-3-foto-Anna-Theunissen-150x150.jpg

jeroen-kramer-3-foto-Anna-Theunissen-150x150.jpg

640 ms

social.png

social.png

646 ms

counter.js

counter.js

39 ms

collect

collect

146 ms

t.php

t.php

141 ms

300lo.json

300lo.json

32 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

52 ms

goliath.gif

goliath.gif

105 ms

Accessibility Review

jeroenkramer.nl accessibility score

97

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.

Best Practices

jeroenkramer.nl best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jeroenkramer.nl SEO score

88

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 Jeroenkramer.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 Jeroenkramer.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

jeroenkramer.nl

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