Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

dirkvandijk.nl

Over Metaalconstructie van Dijk - Metaalconstructie van Dijk

Page Load Speed

2.3 sec in total

First Response

443 ms

Resources Loaded

1.7 sec

Page Rendered

133 ms

dirkvandijk.nl screenshot

About Website

Welcome to dirkvandijk.nl homepage info - get ready to check Dirk Van Dijk best content right away, or after learning these important things about dirkvandijk.nl

Bij Metaalconstructie van Dijk combineren we ambacht met hoogwaardige moderne metaalbewerkingstechnieken voor het bouwen van metaalconstructies

Visit dirkvandijk.nl

Key Findings

We analyzed Dirkvandijk.nl page load time and found that the first response time was 443 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

dirkvandijk.nl performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value61.6 s

0/100

25%

SI (Speed Index)

Value46.9 s

0/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.32

36/100

15%

TTI (Time to Interactive)

Value42.9 s

0/100

10%

Network Requests Diagram

dirkvandijk.nl

443 ms

constructiebedrijf.css

177 ms

logo-dirk.jpg

361 ms

defaultmenu.html

100 ms

trans.gif

177 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Dirkvandijk.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Dirkvandijk.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.9 kB (54%)

Content Size

142.4 kB

After Optimization

65.5 kB

In fact, the total size of Dirkvandijk.nl main page is 142.4 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 133.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 4.0 kB

  • Original 5.5 kB
  • After minification 5.3 kB
  • After compression 1.5 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 4.0 kB or 72% of the original size.

Image Optimization

-53%

Potential reduce by 70.3 kB

  • Original 133.7 kB
  • After minification 63.4 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, Dirk Van Dijk needs image optimization as it can save up to 70.3 kB or 53% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-83%

Potential reduce by 2.6 kB

  • Original 3.1 kB
  • After minification 2.7 kB
  • After compression 528 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. Dirkvandijk.nl needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dirk Van Dijk. According to our analytics all requests are already optimized.

Accessibility Review

dirkvandijk.nl accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

dirkvandijk.nl best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

dirkvandijk.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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dirkvandijk.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 Dirkvandijk.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Dirk Van Dijk. 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: