Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    86% of websites

  • 93

    SEO

    Google-friendlier than
    88% of websites

oudheid.nl

vcnonline – Vereniging Classici Nederland

Page Load Speed

5.4 sec in total

First Response

927 ms

Resources Loaded

4 sec

Page Rendered

547 ms

oudheid.nl screenshot

About Website

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

Vereniging Classici Nederland

Visit oudheid.nl

Key Findings

We analyzed Oudheid.nl page load time and found that the first response time was 927 ms and then it took 4.5 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

oudheid.nl performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value36.2 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

vcnonline.nl

927 ms

analytics.js

8 ms

css-0f510.css

173 ms

css-02f81.css

454 ms

css-31abb.css

473 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Oudheid.nl, 17% (8 requests) were made to Fonts.gstatic.com and 9% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Vcnonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (28%)

Content Size

4.2 MB

After Optimization

3.0 MB

In fact, the total size of Oudheid.nl main page is 4.2 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 158.4 kB

  • Original 207.6 kB
  • After minification 204.9 kB
  • After compression 49.3 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 158.4 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 75.8 kB

  • Original 2.7 MB
  • After minification 2.6 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. Oudheid images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 666.4 kB

  • Original 986.9 kB
  • After minification 985.9 kB
  • After compression 320.4 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 666.4 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 300.4 kB

  • Original 358.2 kB
  • After minification 349.1 kB
  • After compression 57.7 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. Oudheid.nl needs all CSS files to be minified and compressed as it can save up to 300.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (39%)

Requests Now

36

After Optimization

22

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oudheid. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oudheid.nl accessibility score

91

Accessibility Issues

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-hidden="true"] elements contain focusable descendents

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

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

High

Heading elements are not in a sequentially-descending order

Best Practices

oudheid.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

oudheid.nl SEO score

93

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

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 Oudheid.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 Oudheid.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 Oudheid. 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: