Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

Page Load Speed

10.7 sec in total

First Response

4.7 sec

Resources Loaded

5.8 sec

Page Rendered

215 ms

schilderijenkunsthandel.nl screenshot

About Website

Visit schilderijenkunsthandel.nl now to see the best up-to-date Schilderijenkunsthandel content and also check out these interesting facts you probably never knew about schilderijenkunsthandel.nl

Kunsthandel Bart Verlaat. Schilderijen handel, verkoop en inkoop antieke, moderne en hedendaagse kunst.

Visit schilderijenkunsthandel.nl

Key Findings

We analyzed Schilderijenkunsthandel.nl page load time and found that the first response time was 4.7 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

schilderijenkunsthandel.nl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

schilderijenkunsthandel.nl

4747 ms

template_css.css

172 ms

ulm4youtpl_01.png

183 ms

ulm4youtpl_02.png

185 ms

ulm4youtpl_03.png

197 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Schilderijenkunsthandel.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Schilderijenkunsthandel.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.8 kB (26%)

Content Size

79.8 kB

After Optimization

59.0 kB

In fact, the total size of Schilderijenkunsthandel.nl main page is 79.8 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. Only 5% of websites need less resources to load. Images take 58.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 11.5 kB

  • Original 14.6 kB
  • After minification 13.5 kB
  • After compression 3.1 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 11.5 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 3.7 kB

  • Original 58.5 kB
  • After minification 54.8 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. Schilderijenkunsthandel images are well optimized though.

CSS Optimization

-84%

Potential reduce by 5.6 kB

  • Original 6.7 kB
  • After minification 4.7 kB
  • After compression 1.1 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. Schilderijenkunsthandel.nl needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (65%)

Requests Now

31

After Optimization

11

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schilderijenkunsthandel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

schilderijenkunsthandel.nl accessibility score

84

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

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

schilderijenkunsthandel.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

SEO Factors

schilderijenkunsthandel.nl SEO score

99

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

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 Schilderijenkunsthandel.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 Schilderijenkunsthandel.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 Schilderijenkunsthandel. 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: