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noldus.vrijedagen.nl screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

noldus.vrijedagen.nl

Log in - Authentication

Page Load Speed

2.5 sec in total

First Response

261 ms

Resources Loaded

2.1 sec

Page Rendered

94 ms

noldus.vrijedagen.nl screenshot

About Website

Click here to check amazing Noldus Vrijedagen content for Netherlands. Otherwise, check out these important facts you probably never knew about noldus.vrijedagen.nl

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Key Findings

We analyzed Noldus.vrijedagen.nl page load time and found that the first response time was 261 ms and then it took 2.2 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

noldus.vrijedagen.nl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value7.2 s

29/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

noldus.vrijedagen.nl

261 ms

noldus.vrijedagen.nl

463 ms

Login

213 ms

Site.css

174 ms

telerik.common.min.css

423 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 Noldus.vrijedagen.nl, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Js-agent.newrelic.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Noldus.vrijedagen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 903.2 kB (79%)

Content Size

1.1 MB

After Optimization

239.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Noldus.vrijedagen.nl main page is 1.1 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. 20% of websites need less resources to load. Javascripts take 957.1 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 14.7 kB

  • Original 21.8 kB
  • After minification 20.1 kB
  • After compression 7.1 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 14.7 kB or 67% of the original size.

Image Optimization

-4%

Potential reduce by 1.5 kB

  • Original 39.6 kB
  • After minification 38.1 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. Noldus Vrijedagen images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 783.9 kB

  • Original 957.1 kB
  • After minification 600.2 kB
  • After compression 173.2 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 783.9 kB or 82% of the original size.

CSS Optimization

-83%

Potential reduce by 103.1 kB

  • Original 123.8 kB
  • After minification 101.9 kB
  • After compression 20.7 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. Noldus.vrijedagen.nl needs all CSS files to be minified and compressed as it can save up to 103.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (65%)

Requests Now

26

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Noldus Vrijedagen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

noldus.vrijedagen.nl

noldus.vrijedagen.nl

261 ms

noldus.vrijedagen.nl

noldus.vrijedagen.nl

463 ms

Login

Login

213 ms

Site.css

Site.css

174 ms

telerik.common.min.css

telerik.common.min.css

423 ms

telerik.metro.min.css

telerik.metro.min.css

258 ms

jquery-ui-1.10.3.custom.css

jquery-ui-1.10.3.custom.css

342 ms

jquery-1.8.2.js

jquery-1.8.2.js

715 ms

moment.min.js

moment.min.js

364 ms

globalize.js

globalize.js

459 ms

globalize.culture.en.js

globalize.culture.en.js

341 ms

compete.common.js

compete.common.js

427 ms

jquery-ui-1.10.3.custom.js

jquery-ui-1.10.3.custom.js

1013 ms

jquery.validate.js

jquery.validate.js

544 ms

ui.validate-en.js

ui.validate-en.js

504 ms

sidemenu.js

sidemenu.js

511 ms

jquery.validate.unobtrusive.js

jquery.validate.unobtrusive.js

551 ms

ui.validate-nl.js

ui.validate-nl.js

589 ms

jquery.capslock.js

jquery.capslock.js

597 ms

account.logon.js

account.logon.js

635 ms

top_banner.jpg

top_banner.jpg

646 ms

logo-leavedays-small.png

logo-leavedays-small.png

675 ms

helpicon_gray.gif

helpicon_gray.gif

680 ms

warning-16x16.png

warning-16x16.png

736 ms

analytics.js

analytics.js

23 ms

ui-bg_glass_95_fef1ec_1x400.png

ui-bg_glass_95_fef1ec_1x400.png

86 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

87 ms

collect

collect

14 ms

nr-885.min.js

nr-885.min.js

48 ms

Accessibility Review

noldus.vrijedagen.nl accessibility score

90

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.

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

Best Practices

noldus.vrijedagen.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

High

Page has valid source maps

SEO Factors

noldus.vrijedagen.nl SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Noldus.vrijedagen.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Noldus.vrijedagen.nl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

noldus.vrijedagen.nl

Open Graph description is not detected on the main page of Noldus Vrijedagen. 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: