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portaal.derolfgroep.nl screenshot

Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

portaal.derolfgroep.nl

Online werk- en leeromgeving: QL-Online | de Rolf groep

Page Load Speed

3.7 sec in total

First Response

968 ms

Resources Loaded

2.6 sec

Page Rendered

149 ms

portaal.derolfgroep.nl screenshot

About Website

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

Visit portaal.derolfgroep.nl

Key Findings

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 a poor result, as 50% of websites can load faster.

Performance Metrics

portaal.derolfgroep.nl performance score

0

Network Requests Diagram

online-werk-en-leeromgeving-ql-online.aspx

968 ms

General.css

423 ms

theme.css

963 ms

customstyles.css

338 ms

tufte-graph.css

171 ms

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.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (60%)

Content Size

2.0 MB

After Optimization

806.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

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. 50% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 204.5 kB

  • Original 250.0 kB
  • After minification 222.4 kB
  • After compression 45.6 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. 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.

Image Optimization

-20%

Potential reduce by 103.2 kB

  • Original 504.9 kB
  • After minification 401.6 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. 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.

JavaScript Optimization

-68%

Potential reduce by 697.1 kB

  • Original 1.0 MB
  • After minification 988.8 kB
  • After compression 323.1 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 697.1 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 222.3 kB

  • Original 258.9 kB
  • After minification 190.9 kB
  • After compression 36.6 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. 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.

Requests Breakdown

Number of requests can be reduced by 21 (49%)

Requests Now

43

After Optimization

22

  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

online-werk-en-leeromgeving-ql-online.aspx

online-werk-en-leeromgeving-ql-online.aspx

968 ms

General.css

General.css

423 ms

theme.css

theme.css

963 ms

customstyles.css

customstyles.css

338 ms

tufte-graph.css

tufte-graph.css

171 ms

jquery.js

jquery.js

429 ms

raphael.js

raphael.js

511 ms

WebResource.axd

WebResource.axd

367 ms

WebResource.axd

WebResource.axd

427 ms

WebResource.axd

WebResource.axd

451 ms

WebResource.axd

WebResource.axd

429 ms

WebResource.axd

WebResource.axd

433 ms

WebResource.axd

WebResource.axd

438 ms

WebResource.axd

WebResource.axd

461 ms

ScriptResource.axd

ScriptResource.axd

515 ms

ScriptResource.axd

ScriptResource.axd

521 ms

ScriptResource.axd

ScriptResource.axd

440 ms

online-werk-en-leeromgeving-ql-online.aspx

online-werk-en-leeromgeving-ql-online.aspx

1062 ms

frontend-general.min.js

frontend-general.min.js

548 ms

addthis_widget.js

addthis_widget.js

19 ms

analytics.js

analytics.js

11 ms

logoWebsite-2.jpg

logoWebsite-2.jpg

90 ms

ProgressIndicator.gif

ProgressIndicator.gif

89 ms

Logo_QLOnline_klein.jpg

Logo_QLOnline_klein.jpg

361 ms

Titelbalk_QL-Online.jpg

Titelbalk_QL-Online.jpg

93 ms

Button_inloggen_qlonline.jpg

Button_inloggen_qlonline.jpg

93 ms

Quote1_KoenVanGerven.jpg

Quote1_KoenVanGerven.jpg

267 ms

Kader_wat%20heeft.jpg

Kader_wat%20heeft.jpg

176 ms

QL-Online%20scherm_new.jpg

QL-Online%20scherm_new.jpg

269 ms

Quote2_RemcoKoster.jpg

Quote2_RemcoKoster.jpg

177 ms

QL-MapEnPc.jpg

QL-MapEnPc.jpg

269 ms

collect

collect

13 ms

collect

collect

65 ms

bgr_searchField.png

bgr_searchField.png

105 ms

Images.png

Images.png

106 ms

iconSpriteGreen.png

iconSpriteGreen.png

104 ms

bgr_topMenu_green.png

bgr_topMenu_green.png

93 ms

bgr_footer.png

bgr_footer.png

93 ms

Spacer.png

Spacer.png

161 ms

iconSprite.png

iconSprite.png

163 ms

socialIcons.png

socialIcons.png

163 ms

text_footer.png

text_footer.png

164 ms

PrintPreview.min.css

PrintPreview.min.css

90 ms

print.min.css

print.min.css

89 ms

nr-100.js

nr-100.js

16 ms

SEO Factors

portaal.derolfgroep.nl SEO score

0

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    UTF-8

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.

Social Sharing Optimization

portaal.derolfgroep.nl

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: