Tools & Wizards About Us
contactnummernederlands.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

contactnummernederlands.com

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Page Load Speed

2.6 sec in total

First Response

319 ms

Resources Loaded

2 sec

Page Rendered

275 ms

contactnummernederlands.com screenshot

About Website

Welcome to contactnummernederlands.com homepage info - get ready to check Contactnummer Nederland S best content right away, or after learning these important things about contactnummernederlands.com

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Key Findings

We analyzed Contactnummernederlands.com page load time and found that the first response time was 319 ms and then it took 2.2 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

contactnummernederlands.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.386

27/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

contactnummernederlands.com

319 ms

contactnummernederlands.com

577 ms

css

32 ms

bootstrap.min.css

233 ms

font-awesome.min.css

334 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 69% of them (29 requests) were addressed to the original Contactnummernederlands.com, 10% (4 requests) were made to Googletagmanager.com and 7% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (730 ms) belongs to the original domain Contactnummernederlands.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.2 kB (18%)

Content Size

515.0 kB

After Optimization

421.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Contactnummernederlands.com main page is 515.0 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. 40% of websites need less resources to load. Images take 290.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 21.9 kB

  • Original 27.3 kB
  • After minification 22.5 kB
  • After compression 5.4 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 4.8 kB, which is 18% 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 21.9 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 28.8 kB

  • Original 290.1 kB
  • After minification 261.3 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. Contactnummer Nederland S images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 38.0 kB

  • Original 138.3 kB
  • After minification 138.3 kB
  • After compression 100.3 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 38.0 kB or 27% of the original size.

CSS Optimization

-8%

Potential reduce by 4.6 kB

  • Original 59.3 kB
  • After minification 59.3 kB
  • After compression 54.7 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. Contactnummernederlands.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (62%)

Requests Now

37

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contactnummer Nederland S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

contactnummernederlands.com

contactnummernederlands.com

319 ms

contactnummernederlands.com

contactnummernederlands.com

577 ms

css

css

32 ms

bootstrap.min.css

bootstrap.min.css

233 ms

font-awesome.min.css

font-awesome.min.css

334 ms

owl.carousel.min.css

owl.carousel.min.css

336 ms

style.css

style.css

451 ms

shotcode.css

shotcode.css

340 ms

responsive.css

responsive.css

344 ms

hover.css

hover.css

347 ms

magnific-popup.css

magnific-popup.css

445 ms

modernizr-2.8.3.min.js

modernizr-2.8.3.min.js

446 ms

js

js

64 ms

js

js

130 ms

js

js

111 ms

fTHGvfWVss

fTHGvfWVss

23 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

639 ms

popper.min.js

popper.min.js

460 ms

bootstrap.min.js

bootstrap.min.js

460 ms

owl.carousel.min.js

owl.carousel.min.js

565 ms

parallaxie.js

parallaxie.js

564 ms

jquery.appear.js

jquery.appear.js

564 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

655 ms

jquery-countTo.js

jquery-countTo.js

655 ms

script.js

script.js

730 ms

css

css

14 ms

css

css

17 ms

logo.png

logo.png

239 ms

site-img179.jpg

site-img179.jpg

446 ms

main-feature.png

main-feature.png

450 ms

wellcome_1.png

wellcome_1.png

239 ms

wellcome_2.png

wellcome_2.png

238 ms

wellcome_3.png

wellcome_3.png

343 ms

wellcome_4.png

wellcome_4.png

343 ms

js

js

77 ms

analytics.js

analytics.js

95 ms

font

font

113 ms

font

font

120 ms

fontawesome-webfont3e6e.woff

fontawesome-webfont3e6e.woff

340 ms

slide-1.jpg

slide-1.jpg

248 ms

collect

collect

34 ms

collect

collect

24 ms

Accessibility Review

contactnummernederlands.com accessibility score

81

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

contactnummernederlands.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

contactnummernederlands.com 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

    EN

  • Encoding

    UTF-8

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

contactnummernederlands.com

Open Graph description is not detected on the main page of Contactnummer Nederland S. 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: