Analyze

portaal.derolfgroep.nl: Online werk- en leeromgeving: QL-Online | de Rolf groep

Page load speed analysis

  • 61/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    968 ms

  • Resources loaded

    2.6 sec

  • Page rendered

    149 ms

  • Total page load time

    3.7 sec

Visit portaal.derolfgroep.nl now to see the best up-to-date Portaal De Rolf Groep content for Netherlands and also check out these interesting facts you probably never knew about portaal.derolfgroep.nl

We analyzed Portaal.derolfgroep.nl page load time and found that the first response time was 968 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Page optimization

  • HTML 250.0 kB
    Images 504.9 kB
    Javascripts 1.0 MB
    CSS 258.9 kB

    In fact, the total size of Portaal.derolfgroep.nl main page is 2.0 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. 55% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

    • Original 250.0 kB
    • After minification 222.4 kB
    • After compression 45.6 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. This page needs HTML code to be minified as it can gain 27.6 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 204.5 kB or 82% of the original size.

    • Original 504.9 kB
    • After optimization 401.6 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, Portaal De Rolf Groep needs image optimization as it can save up to 103.2 kB or 20% 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 969.4 kB
    • After compression 313.1 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 687.7 kB or 69% of the original size.

    • Original 258.9 kB
    • After minification 190.9 kB
    • After compression 36.6 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. Portaal.derolfgroep.nl needs all CSS files to be minified and compressed as it can save up to 222.3 kB or 86% of the original size.

Network requests diagram

  • online-werk-en-leeromgeving-ql-online.aspx
  • General.css
  • theme.css
  • customstyles.css
  • tufte-graph.css
  • jquery.js
  • raphael.js
  • WebResource.axd
  • WebResource.axd
  • WebResource.axd
  • WebResource.axd
  • WebResource.axd
  • WebResource.axd
  • WebResource.axd
  • ScriptResource.axd
  • ScriptResource.axd
  • ScriptResource.axd
  • online-werk-en-leeromgeving-ql-online.aspx
  • frontend-general.min.js
  • addthis_widget.js
  • analytics.js
  • logoWebsite-2.jpg
  • ProgressIndicator.gif
  • Logo_QLOnline_klein.jpg
  • Titelbalk_QL-Online.jpg
  • Button_inloggen_qlonline.jpg
  • Quote1_KoenVanGerven.jpg
  • Kader_wat%20heeft.jpg
  • QL-Online%20scherm_new.jpg
  • Quote2_RemcoKoster.jpg
  • QL-MapEnPc.jpg
  • collect
  • collect
  • bgr_searchField.png
  • Images.png
  • iconSpriteGreen.png
  • bgr_topMenu_green.png
  • bgr_footer.png
  • Spacer.png
  • iconSprite.png
  • socialIcons.png
  • text_footer.png
  • PrintPreview.min.css
  • print.min.css
  • nr-100.js

Our browser made a total of 45 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Portaal.derolfgroep.nl, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Derolfgroep.nl.

Additional info on portaal.derolfgroep.nl

Requests

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Portaal De Rolf Groep. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

14

Javascripts

20

Images

9

CSS

43

All

Possible request optimization

1

Javascripts

20

Images

1

CSS

21

Optimized

22

All

Normal result

IP address

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

Normal result

IP Trace

portaal.derolfgroep.nl

185.113.85.237

DNS records

Type Host Target/ip TTL Other
A

portaal.derolfgroep.nl

185.113.85.237 3592

Language and encoding

Normal result

Language

NL nl language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

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

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

Poor result

Visitor World Map

Country of origin for 66.7% of all visits is Netherlands. It’s good for Portaal.derolfgroep.nl that their server is also located in Netherlands, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Portaal De Rolf Groep. 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:

portaal.derolfgroep.nl

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