Tools & Wizards About Us
trainingplaza.nl screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

trainingplaza.nl

isource | Websites, Apps & Hosting in Leiden | Web Development

Page Load Speed

2.5 sec in total

First Response

514 ms

Resources Loaded

1.8 sec

Page Rendered

234 ms

trainingplaza.nl screenshot

About Website

Welcome to trainingplaza.nl homepage info - get ready to check Trainingplaza best content right away, or after learning these important things about trainingplaza.nl

Web development bureau gespecialiseerd in websites, web-applicaties, apps, hosting en cloud. 30+ jaar ervaring met high performance en high availability

Visit trainingplaza.nl

Key Findings

We analyzed Trainingplaza.nl page load time and found that the first response time was 514 ms and then it took 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

trainingplaza.nl performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

www.trainingplaza.nl

514 ms

style.css

339 ms

jquery.js

599 ms

main.js

266 ms

show_ads.js

7 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 61% of them (23 requests) were addressed to the original Trainingplaza.nl, 11% (4 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (599 ms) belongs to the original domain Trainingplaza.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.4 kB (39%)

Content Size

177.2 kB

After Optimization

107.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Trainingplaza.nl main page is 177.2 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. 30% of websites need less resources to load. Javascripts take 106.8 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 5.1 kB

  • Original 8.4 kB
  • After minification 8.2 kB
  • After compression 3.3 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 5.1 kB or 61% of the original size.

Image Optimization

-3%

Potential reduce by 1.5 kB

  • Original 46.2 kB
  • After minification 44.7 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. Trainingplaza images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 49.4 kB

  • Original 106.8 kB
  • After minification 105.9 kB
  • After compression 57.4 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 49.4 kB or 46% of the original size.

CSS Optimization

-85%

Potential reduce by 13.3 kB

  • Original 15.7 kB
  • After minification 9.8 kB
  • After compression 2.4 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. Trainingplaza.nl needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (65%)

Requests Now

37

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trainingplaza. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.trainingplaza.nl

www.trainingplaza.nl

514 ms

style.css

style.css

339 ms

jquery.js

jquery.js

599 ms

main.js

main.js

266 ms

show_ads.js

show_ads.js

7 ms

bg_body.jpg

bg_body.jpg

101 ms

bg_header.png

bg_header.png

173 ms

ico_home.png

ico_home.png

101 ms

ico_categorie.png

ico_categorie.png

164 ms

ico_zoeken.png

ico_zoeken.png

190 ms

ico_over_trainingplaza.png

ico_over_trainingplaza.png

191 ms

ico_help.png

ico_help.png

191 ms

logo.png

logo.png

198 ms

bg_main.png

bg_main.png

191 ms

bg_content.png

bg_content.png

198 ms

ico_big_home.png

ico_big_home.png

271 ms

ico_big_help.png

ico_big_help.png

273 ms

ico_big_zoeken.png

ico_big_zoeken.png

273 ms

ico_big_links.png

ico_big_links.png

270 ms

ico_links.png

ico_links.png

278 ms

ico_artikel.png

ico_artikel.png

280 ms

ca-pub-8559030670254085.js

ca-pub-8559030670254085.js

159 ms

zrt_lookup.html

zrt_lookup.html

149 ms

show_ads_impl.js

show_ads_impl.js

80 ms

bg_right.png

bg_right.png

336 ms

bg_footer.png

bg_footer.png

341 ms

ga.js

ga.js

40 ms

__utm.gif

__utm.gif

77 ms

ads

ads

218 ms

osd.js

osd.js

6 ms

print.css

print.css

92 ms

m_js_controller.js

m_js_controller.js

26 ms

abg.js

abg.js

42 ms

favicon

favicon

44 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

43 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

31 ms

s

s

20 ms

x_button_blue2.png

x_button_blue2.png

13 ms

Accessibility Review

trainingplaza.nl accessibility score

93

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

trainingplaza.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

trainingplaza.nl SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trainingplaza.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 Trainingplaza.nl main page’s claimed encoding is iso-8859-1. 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

trainingplaza.nl

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