Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

atcalmere.nl

Start 2 Finish - Organiseert uw (sport)evenementen

Page Load Speed

4.1 sec in total

First Response

1 sec

Resources Loaded

2.9 sec

Page Rendered

244 ms

atcalmere.nl screenshot

About Website

Click here to check amazing Atcalmere content. Otherwise, check out these important facts you probably never knew about atcalmere.nl

Start2Finish ontlast organisaties door het organiseren van evenementen over te nemen. Wij doen dit aan de lopende band en hebben jarenlange ervaring.

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Key Findings

We analyzed Atcalmere.nl page load time and found that the first response time was 1 sec and then it took 3.1 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

atcalmere.nl performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value15.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value24.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,070 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.6

11/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

atcalmere.nl

1021 ms

bootstrap.css

437 ms

system.css

183 ms

template.css

378 ms

bootstrap-responsive.css

292 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 62% of them (31 requests) were addressed to the original Atcalmere.nl, 10% (5 requests) were made to Platform.twitter.com and 10% (5 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Atcalmere.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 676.4 kB (33%)

Content Size

2.1 MB

After Optimization

1.4 MB

In fact, the total size of Atcalmere.nl main page is 2.1 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. 35% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 22.5 kB

  • Original 27.5 kB
  • After minification 25.7 kB
  • After compression 5.0 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 22.5 kB or 82% of the original size.

Image Optimization

-15%

Potential reduce by 231.3 kB

  • Original 1.5 MB
  • After minification 1.3 MB

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, Atcalmere needs image optimization as it can save up to 231.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 154.3 kB

  • Original 210.2 kB
  • After minification 168.3 kB
  • After compression 55.9 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 154.3 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 268.3 kB

  • Original 318.7 kB
  • After minification 274.6 kB
  • After compression 50.4 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. Atcalmere.nl needs all CSS files to be minified and compressed as it can save up to 268.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (61%)

Requests Now

49

After Optimization

19

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Atcalmere. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

atcalmere.nl accessibility score

83

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

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

atcalmere.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

atcalmere.nl SEO score

91

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

    NL

  • Encoding

    UTF-8

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

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