Analyze

leoz.nl: Home

Welkom op de website van het Landelijk Expertisecentrum Onderwijszorg (LEOZ)

Page load speed analysis

  • 71/100

    Good result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    585 ms

  • Resources loaded

    2.2 sec

  • Page rendered

    94 ms

  • Total page load time

    2.9 sec

Click here to check amazing Leoz content. Otherwise, check out these important facts you probably never knew about leoz.nl

We analyzed Leoz.nl page load time and found that the first response time was 585 ms and then it took 2.3 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.

Page optimization

  • HTML 22.7 kB
    Images 103.6 kB
    Javascripts 1.0 MB
    CSS 134.0 kB

    In fact, the total size of Leoz.nl main page is 1.3 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. 25% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

    • Original 22.7 kB
    • After minification 21.0 kB
    • After compression 5.9 kB

    HTML optimization

    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 16.8 kB or 74% of the original size.

    • Original 103.6 kB
    • After optimization 55.1 kB

    Image optimization

    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, Leoz needs image optimization as it can save up to 48.5 kB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 1.0 MB
    • After minification 714.1 kB
    • After compression 191.3 kB

    JavaScript optimization

    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 836.4 kB or 81% of the original size.

    • Original 134.0 kB
    • After minification 95.5 kB
    • After compression 18.5 kB

    CSS optimization

    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. Leoz.nl needs all CSS files to be minified and compressed as it can save up to 115.5 kB or 86% of the original size.

Network requests diagram

  • leoz.nl
  • default.css
  • SearchSkinObjectPreview.css
  • skin.css
  • container.css
  • container.css
  • portal.css
  • jquery.js
  • jquery-migrate.js
  • jquery-ui.js
  • dnnmega.css
  • WebResource.axd
  • jquery.hoverIntent.min.js
  • jquery.dnnmega.js
  • Telerik.Web.UI.WebResource.axd
  • dnn.js
  • dnn.modalpopup.js
  • dnn.servicesframework.js
  • dnncore.js
  • SearchSkinObjectPreview.js
  • jquery.cycle.min.js
  • Search.js
  • initWidgets.js
  • ga.js
  • menu_extend.jpg
  • menu_eind.jpg
  • logo.jpg
  • rootItemR1.png
  • rootItemL1.png
  • rootItemR2.png
  • rootItemL2.png
  • child-arrow.png
  • rootItemR3.png
  • rootItemL3.png
  • rootItemR4.png
  • rootItemL4.png
  • search.png
  • Action_16X16_Standard.png
  • Title-BG-Grey2.png
  • a.jpg
  • logo%20semenarium.jpg
  • logo%20windesheim.jpg
  • __utm.gif
  • Purple-Roze-TL.png
  • Roze-Gradient-TR.png
  • Roze-Gradient-T.png
  • Roze-Gradient-BL.png
  • Roze-Gradient-BR.png
  • Roze-Gradient-B.png
  • Yellow-Gradient-TL.png
  • Yellow-Gradient-TR.png
  • Yellow-Gradient-T.png
  • Yellow-Gradient-BL.png
  • Yellow-Gradient-BR.png
  • Yellow-Gradient-B.png
  • Purple-Gradient-TL.png
  • Purple-Gradient-TR.png
  • Purple-Gradient-T.png
  • Purple-Gradient-BL.png
  • Purple-Gradient-BR.png
  • Purple-Gradient-B.png

Our browser made a total of 61 requests to load all elements on the main page. We found that 97% of them (59 requests) were addressed to the original Leoz.nl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Leoz.nl.

Additional info on leoz.nl

Requests

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leoz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

16

Javascripts

37

Images

7

CSS

60

All

Possible request optimization

1

Javascripts

31

Images

1

CSS

27

Optimized

33

All

Normal result

IP address

This IP address is dedicated to Leoz.nl. This is the best domain hosting practice .

Normal result

IP Trace

leoz.nl

145.85.2.120

DNS records

Type Host Target/ip TTL Other
A

leoz.nl

145.85.2.120 14399
NS

leoz.nl

ns2.e-density.nl 21599
NS

leoz.nl

ns1.e-density.nl 21599
SOA

leoz.nl

21599 Mname: ns1.e-density.nl
Rname: cpanel.redbee.nl
Serial: 2018020210
Refresh: 3600
Retry: 7200
Expire: 1209600
Minimum-ttl: 86400
MX

leoz.nl

mail.leoz.nl 14399 Pri: 0

Language and encoding

Good result

Language

NL nl language flag

Detected

NL nl language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leoz.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 Leoz.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.

HTTPS certificate

SSL Certificate

Leoz.nl has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

The server of Leoz.nl is located in Netherlands, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time.

Good result

Poor result

Social Sharing Optimization

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

leoz.nl

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