Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

tafelsoefenen.eu

Tafels oefenen groep 4, 5, 6 en spelletjes - Tafeldiploma.nl

Page Load Speed

3.1 sec in total

First Response

482 ms

Resources Loaded

2.1 sec

Page Rendered

517 ms

About Website

Welcome to tafelsoefenen.eu homepage info - get ready to check Tafels Oefenen best content for Netherlands right away, or after learning these important things about tafelsoefenen.eu

Kom hier online alle tafels oefenen. Leer de tafels van 1 t/m 12 met het 5 stappenplan, de tempotoets, tafelspelletjes, werkbladen en haal het tafeldiploma.

Visit tafelsoefenen.eu

Key Findings

We analyzed Tafelsoefenen.eu page load time and found that the first response time was 482 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tafelsoefenen.eu performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.213

58/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

tafelsoefenen.eu

482 ms

www.tafeldiploma.nl

89 ms

font-awesome.min.css

59 ms

log.css

53 ms

style.css

55 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tafelsoefenen.eu, 24% (17 requests) were made to Cdn-t-3.bvkstatic.com and 20% (14 requests) were made to Cdn-t-1.bvkstatic.com. The less responsive or slowest element that took the longest time to load (512 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 239.2 kB (23%)

Content Size

1.0 MB

After Optimization

792.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tafelsoefenen.eu main page is 1.0 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. 65% of websites need less resources to load. Images take 599.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 52.3 kB

  • Original 68.2 kB
  • After minification 65.7 kB
  • After compression 16.0 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 52.3 kB or 77% of the original size.

Image Optimization

-31%

Potential reduce by 186.0 kB

  • Original 599.5 kB
  • After minification 413.6 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. Obviously, Tafels Oefenen needs image optimization as it can save up to 186.0 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 598 B

  • Original 349.7 kB
  • After minification 349.7 kB
  • After compression 349.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 393 B

  • Original 14.3 kB
  • After minification 14.3 kB
  • After compression 13.9 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. Tafelsoefenen.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (28%)

Requests Now

60

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tafels Oefenen. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tafelsoefenen.eu accessibility score

67

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

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

tafelsoefenen.eu 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

High

Page has valid source maps

SEO Factors

tafelsoefenen.eu SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Tafelsoefenen.eu 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 Tafelsoefenen.eu 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

Open Graph data is detected on the main page of Tafels Oefenen. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: