Tools & Wizards About Us
wereldklokken.nl screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

wereldklokken.nl

Wereldklokken: de actuele en juiste tijd in de wereld per tijdzone

Page Load Speed

3.2 sec in total

First Response

274 ms

Resources Loaded

2.8 sec

Page Rendered

152 ms

wereldklokken.nl screenshot

About Website

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

Alle tijdzones met de juiste tijd in de wereld, nacht en dag aanduiding, wereldkaart met actuele tijdsverschillen. Alle wereldklokken in ��n oogopslag met alle tijdzones en de lokale tijd. HANDIG!

Visit wereldklokken.nl

Key Findings

We analyzed Wereldklokken.nl page load time and found that the first response time was 274 ms and then it took 3 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

wereldklokken.nl performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value4,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

wereldklokken.nl

274 ms

wereldklokken.nl

375 ms

jquery.min.js

22 ms

jquery.cookieBar.js

271 ms

cookieBar.css

272 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 79% of them (31 requests) were addressed to the original Wereldklokken.nl, 5% (2 requests) were made to W.24timezones.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Wereldklokken.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.9 kB (32%)

Content Size

270.2 kB

After Optimization

184.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wereldklokken.nl main page is 270.2 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. 20% of websites need less resources to load. Images take 124.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 24.4 kB

  • Original 28.4 kB
  • After minification 25.7 kB
  • After compression 4.0 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 24.4 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 71 B

  • Original 124.5 kB
  • After minification 124.5 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. Wereldklokken images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 61.4 kB

  • Original 116.9 kB
  • After minification 116.9 kB
  • After compression 55.5 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 61.4 kB or 53% of the original size.

CSS Optimization

-11%

Potential reduce by 40 B

  • Original 371 B
  • After minification 371 B
  • After compression 331 B

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. Wereldklokken.nl needs all CSS files to be minified and compressed as it can save up to 40 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (17%)

Requests Now

36

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wereldklokken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wereldklokken.nl

wereldklokken.nl

274 ms

wereldklokken.nl

wereldklokken.nl

375 ms

jquery.min.js

jquery.min.js

22 ms

jquery.cookieBar.js

jquery.cookieBar.js

271 ms

cookieBar.css

cookieBar.css

272 ms

adsbygoogle.js

adsbygoogle.js

109 ms

l.js

l.js

100 ms

ga.js

ga.js

67 ms

wereldklok_links.gif

wereldklok_links.gif

270 ms

spacer.gif

spacer.gif

271 ms

__utm.gif

__utm.gif

12 ms

wereldklok_boven.gif

wereldklok_boven.gif

266 ms

1.jpg

1.jpg

273 ms

rom3.min.js

rom3.min.js

82 ms

2.jpg

2.jpg

270 ms

3.jpg

3.jpg

271 ms

4.jpg

4.jpg

446 ms

5.jpg

5.jpg

446 ms

6.jpg

6.jpg

528 ms

7.jpg

7.jpg

530 ms

8.jpg

8.jpg

529 ms

9.jpg

9.jpg

527 ms

10.jpg

10.jpg

700 ms

11.jpg

11.jpg

701 ms

12.jpg

12.jpg

788 ms

13.jpg

13.jpg

788 ms

14.jpg

14.jpg

790 ms

15.jpg

15.jpg

797 ms

16.jpg

16.jpg

963 ms

17.jpg

17.jpg

968 ms

18.jpg

18.jpg

1047 ms

19.jpg

19.jpg

1047 ms

20.jpg

20.jpg

1054 ms

21.jpg

21.jpg

1062 ms

22.jpg

22.jpg

1222 ms

23.jpg

23.jpg

1226 ms

24.jpg

24.jpg

1312 ms

c.js

c.js

47 ms

es6-promise.min.js

es6-promise.min.js

461 ms

Accessibility Review

wereldklokken.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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

wereldklokken.nl best practices score

58

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

wereldklokken.nl SEO score

62

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

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

wereldklokken.nl

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