Report Summary

  • 32

    Performance

    Renders faster than
    53% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 63

    SEO

    Google-friendlier than
    24% of websites

elfstedentocht.nl

Comments Box SVG icons

Page Load Speed

5 sec in total

First Response

284 ms

Resources Loaded

4.4 sec

Page Rendered

259 ms

elfstedentocht.nl screenshot

About Website

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

Visit elfstedentocht.nl

Key Findings

We analyzed Elfstedentocht.nl page load time and found that the first response time was 284 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

elfstedentocht.nl performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

elfstedentocht.nl

284 ms

www.elfstedentocht.frl

337 ms

www.elfstedentocht.frl

1561 ms

shortcodes.css

255 ms

font-awesome.min.css

345 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Elfstedentocht.nl, 63% (73 requests) were made to Elfstedentocht.frl and 9% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source External.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 733.8 kB (46%)

Content Size

1.6 MB

After Optimization

873.7 kB

In fact, the total size of Elfstedentocht.nl main page is 1.6 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. 60% of websites need less resources to load. Images take 699.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 46.8 kB

  • Original 58.9 kB
  • After minification 58.0 kB
  • After compression 12.1 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 46.8 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 40.0 kB

  • Original 699.2 kB
  • After minification 659.2 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. Elfstedentocht images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 322.6 kB

  • Original 475.1 kB
  • After minification 433.7 kB
  • After compression 152.6 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 322.6 kB or 68% of the original size.

CSS Optimization

-87%

Potential reduce by 324.4 kB

  • Original 374.2 kB
  • After minification 348.9 kB
  • After compression 49.8 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. Elfstedentocht.nl needs all CSS files to be minified and compressed as it can save up to 324.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 77 (70%)

Requests Now

110

After Optimization

33

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elfstedentocht. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

elfstedentocht.nl accessibility score

81

Accessibility Issues

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

Document doesn't have a <title> element

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

elfstedentocht.nl 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

elfstedentocht.nl SEO score

63

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

High

Document doesn't have a valid hreflang

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

    UTF-8

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