Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jufjanneke.nl

Juf Janneke - lesmaterialen, projecten, lesideeën

Page Load Speed

6.3 sec in total

First Response

1.3 sec

Resources Loaded

4.5 sec

Page Rendered

515 ms

jufjanneke.nl screenshot

About Website

Click here to check amazing Juf Janneke content for Netherlands. Otherwise, check out these important facts you probably never knew about jufjanneke.nl

Bezoek www.jufjanneke.nl voor ideeën, projecten en materialen De website biedt veel volledig uitgewerkte thema's met daarin veel nieuwe en leuke lesideeen.

Visit jufjanneke.nl

Key Findings

We analyzed Jufjanneke.nl page load time and found that the first response time was 1.3 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jufjanneke.nl performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value1.349

0/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

www.jufjanneke.nl

1295 ms

1140.css

169 ms

animate.css

253 ms

jquery.onebyone.css

183 ms

size_normal.css

184 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 82% of them (76 requests) were addressed to the original Jufjanneke.nl, 3% (3 requests) were made to Google-analytics.com and 3% (3 requests) were made to Education2day.nl. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Jufjanneke.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 742.1 kB (32%)

Content Size

2.3 MB

After Optimization

1.6 MB

In fact, the total size of Jufjanneke.nl main page is 2.3 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 168.8 kB

  • Original 200.2 kB
  • After minification 189.5 kB
  • After compression 31.4 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 168.8 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 59.5 kB

  • Original 1.4 MB
  • After minification 1.4 MB

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. Juf Janneke images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 342.5 kB

  • Original 507.4 kB
  • After minification 486.0 kB
  • After compression 164.9 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 342.5 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 171.3 kB

  • Original 195.2 kB
  • After minification 157.9 kB
  • After compression 24.0 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. Jufjanneke.nl needs all CSS files to be minified and compressed as it can save up to 171.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (37%)

Requests Now

92

After Optimization

58

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Juf Janneke. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jufjanneke.nl accessibility score

81

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.

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 IDs are not unique

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

Best Practices

jufjanneke.nl best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jufjanneke.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

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jufjanneke.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 Jufjanneke.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 data is detected on the main page of Juf Janneke. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: