Tools & Wizards About Us
ttctrainingen.nl screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

ttctrainingen.nl

Deskundige instructeurs en uitgekiende didactiek - T.T.C. Trainingen

Page Load Speed

3.3 sec in total

First Response

354 ms

Resources Loaded

2.7 sec

Page Rendered

191 ms

ttctrainingen.nl screenshot

About Website

Visit ttctrainingen.nl now to see the best up-to-date Ttc Trainingen content and also check out these interesting facts you probably never knew about ttctrainingen.nl

T.T.C. Training & Certificering B.V. verzorgt o.a. cursussen BHV, NOGEPA en VCA. Maar ook trainingen gericht op de industriële reiniging en…

Visit ttctrainingen.nl

Key Findings

We analyzed Ttctrainingen.nl page load time and found that the first response time was 354 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ttctrainingen.nl performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value9.8 s

27/100

10%

Network Requests Diagram

ttctrainingen.nl

354 ms

www.ttctrainingen.nl

857 ms

jquery.min.js

58 ms

modal.css

93 ms

style.css

184 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 92% of them (48 requests) were addressed to the original Ttctrainingen.nl, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (857 ms) belongs to the original domain Ttctrainingen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 394.2 kB (34%)

Content Size

1.1 MB

After Optimization

752.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ttctrainingen.nl main page is 1.1 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. Images take 570.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 20.6 kB

  • Original 27.6 kB
  • After minification 26.3 kB
  • After compression 6.9 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. 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 20.6 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 23.2 kB

  • Original 570.6 kB
  • After minification 547.5 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. Ttc Trainingen images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 317.8 kB

  • Original 509.0 kB
  • After minification 503.8 kB
  • After compression 191.2 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 317.8 kB or 62% of the original size.

CSS Optimization

-82%

Potential reduce by 32.6 kB

  • Original 39.6 kB
  • After minification 34.1 kB
  • After compression 7.0 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. Ttctrainingen.nl needs all CSS files to be minified and compressed as it can save up to 32.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (34%)

Requests Now

50

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ttc Trainingen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ttctrainingen.nl

ttctrainingen.nl

354 ms

www.ttctrainingen.nl

www.ttctrainingen.nl

857 ms

jquery.min.js

jquery.min.js

58 ms

modal.css

modal.css

93 ms

style.css

style.css

184 ms

favslider.css

favslider.css

185 ms

mootools-core.js

mootools-core.js

445 ms

core.js

core.js

187 ms

mootools-more.js

mootools-more.js

647 ms

modal.js

modal.js

186 ms

jquery.min.js

jquery.min.js

546 ms

jquery-noconflict.js

jquery-noconflict.js

282 ms

jquery-migrate.min.js

jquery-migrate.min.js

281 ms

caption.js

caption.js

282 ms

jquery.flexslider.js

jquery.flexslider.js

372 ms

jquery.mousewheel.js

jquery.mousewheel.js

373 ms

template.css

template.css

380 ms

menu.css

menu.css

468 ms

media.css

media.css

551 ms

toggle.js

toggle.js

473 ms

analytics.js

analytics.js

36 ms

menu-bg-2.jpg

menu-bg-2.jpg

96 ms

submenu_bg.png

submenu_bg.png

97 ms

search-bg.png

search-bg.png

94 ms

searchButton.gif

searchButton.gif

99 ms

logo-orange.jpg

logo-orange.jpg

96 ms

telefoon.png

telefoon.png

97 ms

email.png

email.png

187 ms

facebook.jpg

facebook.jpg

188 ms

linkedin.jpg

linkedin.jpg

191 ms

google-plus-ttc-trainingen.jpg

google-plus-ttc-trainingen.jpg

192 ms

twitter-ttc-trainingen.jpg

twitter-ttc-trainingen.jpg

189 ms

slide-bg.jpg

slide-bg.jpg

194 ms

heftruck-cursus.jpg

heftruck-cursus.jpg

458 ms

vca-cursus.jpg

vca-cursus.jpg

583 ms

hoogwerker-certificaat-halen.jpg

hoogwerker-certificaat-halen.jpg

553 ms

ttc-training-en-certificering.jpg

ttc-training-en-certificering.jpg

553 ms

nogepa.jpg

nogepa.jpg

288 ms

vomi.jpg

vomi.jpg

291 ms

neb.jpg

neb.jpg

387 ms

erkend.jpg

erkend.jpg

389 ms

machine.jpg

machine.jpg

485 ms

kenteq.jpg

kenteq.jpg

489 ms

sr.jpg

sr.jpg

550 ms

nil.jpg

nil.jpg

583 ms

dnv.jpg

dnv.jpg

586 ms

ccv.jpg

ccv.jpg

643 ms

readmore-intro-bg.png

readmore-intro-bg.png

622 ms

time-bg.png

time-bg.png

622 ms

impactreg.woff

impactreg.woff

738 ms

collect

collect

14 ms

collect

collect

2 ms

Accessibility Review

ttctrainingen.nl accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

ttctrainingen.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ttctrainingen.nl SEO score

98

Search Engine Optimization Advices

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

ttctrainingen.nl

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