Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

stichtingjason.nl

JASON Institute - Engaged in informing on matters of peace and security

Page Load Speed

7.1 sec in total

First Response

272 ms

Resources Loaded

6.5 sec

Page Rendered

244 ms

stichtingjason.nl screenshot

About Website

Click here to check amazing Stichting JASON content for Netherlands. Otherwise, check out these important facts you probably never knew about stichtingjason.nl

For over 40 years, the JASON Institute has been engaged in informing students and young-professionals on matters of international peace and security. JASON regularly organizes exclusive events with le...

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Key Findings

We analyzed Stichtingjason.nl page load time and found that the first response time was 272 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

stichtingjason.nl performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value11.6 s

5/100

10%

TBT (Total Blocking Time)

Value3,410 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

stichtingjason.nl

272 ms

www.stichtingjason.nl

3089 ms

main.css

614 ms

modernizr-2.6.1.min.js

182 ms

language-selector.css

182 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 91% of them (39 requests) were addressed to the original Stichtingjason.nl, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Stichtingjason.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (15%)

Content Size

7.2 MB

After Optimization

6.1 MB

In fact, the total size of Stichtingjason.nl main page is 7.2 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. 30% of websites need less resources to load. Images take 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 27.9 kB

  • Original 36.1 kB
  • After minification 32.5 kB
  • After compression 8.2 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 27.9 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 593.9 kB

  • Original 6.5 MB
  • After minification 6.0 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. Stichting JASON images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 269.0 kB

  • Original 389.7 kB
  • After minification 381.0 kB
  • After compression 120.7 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 269.0 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 210.4 kB

  • Original 247.9 kB
  • After minification 207.8 kB
  • After compression 37.5 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. Stichtingjason.nl needs all CSS files to be minified and compressed as it can save up to 210.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (65%)

Requests Now

40

After Optimization

14

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stichting JASON. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stichtingjason.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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

stichtingjason.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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

stichtingjason.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

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stichtingjason.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Stichtingjason.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 Stichting JASON. 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: