Tools & Wizards About Us
ctb.nl screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

ctb.nl

Microsoft Teams inrichten door CTB, dé Microsoft expert | CTB.nl

Page Load Speed

1.9 sec in total

First Response

354 ms

Resources Loaded

1.4 sec

Page Rendered

174 ms

ctb.nl screenshot

About Website

Visit ctb.nl now to see the best up-to-date CTB content for Bulgaria and also check out these interesting facts you probably never knew about ctb.nl

Microsoft Teams inrichten door CTB! Wordt de meest productieve organisatie in jouw markt met Microsoft Teams en P365 oplossingen.

Visit ctb.nl

Key Findings

We analyzed Ctb.nl page load time and found that the first response time was 354 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ctb.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

ctb.nl

354 ms

www.ctb.nl

278 ms

css

26 ms

style.css

88 ms

modernizr.min.js

8 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 58% of them (11 requests) were addressed to the original Ctb.nl, 16% (3 requests) were made to Fonts.gstatic.com and 11% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (521 ms) belongs to the original domain Ctb.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.3 kB (24%)

Content Size

566.7 kB

After Optimization

428.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ctb.nl main page is 566.7 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. 25% of websites need less resources to load. Images take 407.9 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.5 kB

  • Original 4.1 kB
  • After minification 3.7 kB
  • After compression 1.5 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 2.5 kB or 63% of the original size.

Image Optimization

-9%

Potential reduce by 37.8 kB

  • Original 407.9 kB
  • After minification 370.1 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. CTB images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 92.9 kB

  • Original 148.1 kB
  • After minification 148.0 kB
  • After compression 55.2 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 92.9 kB or 63% of the original size.

CSS Optimization

-77%

Potential reduce by 5.1 kB

  • Original 6.7 kB
  • After minification 5.2 kB
  • After compression 1.6 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. Ctb.nl needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (21%)

Requests Now

14

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CTB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ctb.nl

ctb.nl

354 ms

www.ctb.nl

www.ctb.nl

278 ms

css

css

26 ms

style.css

style.css

88 ms

modernizr.min.js

modernizr.min.js

8 ms

jquery.min.js

jquery.min.js

9 ms

main.js

main.js

175 ms

bg.jpg

bg.jpg

520 ms

analytics.js

analytics.js

35 ms

icon-teamviewer.png

icon-teamviewer.png

88 ms

ctb-grijs.png

ctb-grijs.png

175 ms

pivoton.png

pivoton.png

349 ms

ctb-xrm.png

ctb-xrm.png

176 ms

sd-worx.png

sd-worx.png

521 ms

cobra.png

cobra.png

176 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

16 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

15 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

16 ms

collect

collect

10 ms

Accessibility Review

ctb.nl accessibility score

96

Accessibility Issues

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

ctb.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

Page has valid source maps

SEO Factors

ctb.nl SEO score

90

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctb.nl 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 Ctb.nl main page’s claimed encoding is . 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

ctb.nl

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