Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

jeroenkoeten.nl

Fotograaf Groningen - Roden - Leek. Jeroen Koeten Fotografie. - Jeroen Koeten Fotografie | Groningen | Sinds 2005

Page Load Speed

2.4 sec in total

First Response

380 ms

Resources Loaded

1.8 sec

Page Rendered

164 ms

jeroenkoeten.nl screenshot

About Website

Visit jeroenkoeten.nl now to see the best up-to-date Jeroen Koeten content and also check out these interesting facts you probably never knew about jeroenkoeten.nl

Fotograaf in Groningen, Roden en Leek. Gespecialiseerd in trouwerij en portretten. Bedrijfsfotograaf of zwangerschapsshoot nodig? Geboorte en Watershoots. Neem contact op met Jeroen Koeten.

Visit jeroenkoeten.nl

Key Findings

We analyzed Jeroenkoeten.nl page load time and found that the first response time was 380 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

jeroenkoeten.nl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

jeroenkoeten.nl

380 ms

style.css

538 ms

jquery.min.js

58 ms

jquery.easing.min.js

540 ms

supersized.css

541 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Jeroenkoeten.nl, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (740 ms) belongs to the original domain Jeroenkoeten.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 219.8 kB (66%)

Content Size

331.6 kB

After Optimization

111.8 kB

In fact, the total size of Jeroenkoeten.nl main page is 331.6 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. 15% of websites need less resources to load. Images take 163.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.1 kB

  • Original 9.9 kB
  • After minification 9.4 kB
  • After compression 2.8 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 7.1 kB or 72% of the original size.

Image Optimization

-72%

Potential reduce by 118.1 kB

  • Original 163.5 kB
  • After minification 45.4 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 Koeten needs image optimization as it can save up to 118.1 kB or 72% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 83.0 kB

  • Original 142.6 kB
  • After minification 118.8 kB
  • After compression 59.7 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 83.0 kB or 58% of the original size.

CSS Optimization

-75%

Potential reduce by 11.6 kB

  • Original 15.6 kB
  • After minification 11.9 kB
  • After compression 3.9 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. Jeroenkoeten.nl needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (36%)

Requests Now

28

After Optimization

18

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jeroen Koeten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jeroenkoeten.nl accessibility score

70

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

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

jeroenkoeten.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

jeroenkoeten.nl SEO score

88

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Jeroenkoeten.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 Jeroenkoeten.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 Jeroen Koeten. 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: