Report Summary

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    Best Practices

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Tragaluz – Teamtrainingen - TeambuildingTragaluz | Tragaluz laat ervaren, leren en groeien

Page Load Speed

3.1 sec in total

First Response

806 ms

Resources Loaded

2.1 sec

Page Rendered

219 ms screenshot

About Website

Click here to check amazing Puzzlegroning En content. Otherwise, check out these important facts you probably never knew about

Met zelf ontwikkelde instrumenten doen wij bij Tragaluz teamtrainingen voor o.a. teambuilding, communicatie, leiderschap, verandering & projectmatig werken.


Key Findings

We analyzed page load time and found that the first response time was 806 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 45% of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

806 ms


522 ms


616 ms


688 ms


693 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original, 88% (21 requests) were made to and 8% (2 requests) were made to The less responsive or slowest element that took the longest time to load (922 ms) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 144.4 kB (37%)

Content Size

390.4 kB

After Optimization

246.1 kB

In fact, the total size of main page is 390.4 kB. 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 183.0 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 15.0 kB

  • Original 18.9 kB
  • After minification 16.4 kB
  • After compression 3.9 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 2.4 kB, which is 13% 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 15.0 kB or 79% of the original size.

Image Optimization


Potential reduce by 3.4 kB

  • Original 172.8 kB
  • After minification 169.4 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. Puzzlegroning En images are well optimized though.

JavaScript Optimization


Potential reduce by 113.9 kB

  • Original 183.0 kB
  • After minification 183.0 kB
  • After compression 69.1 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 113.9 kB or 62% of the original size.

CSS Optimization


Potential reduce by 12.1 kB

  • Original 15.8 kB
  • After minification 13.4 kB
  • After compression 3.7 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. needs all CSS files to be minified and compressed as it can save up to 12.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (57%)

Requests Now


After Optimization


The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Puzzlegroning En. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 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 Puzzlegroning En. 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: