Tools & Wizards About Us
vandevelde.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

vandevelde.com

artprice.com, the world leader in Art market information

Page Load Speed

2.4 sec in total

First Response

260 ms

Resources Loaded

1.2 sec

Page Rendered

963 ms

vandevelde.com screenshot

About Website

Click here to check amazing Vandevelde content. Otherwise, check out these important facts you probably never knew about vandevelde.com

Artprice is the world leader of art market information with a coverage of more than 700,000 artists of fine art with over 30 millions auction results and indices of paintings, drawings, scuptures, pho...

Visit vandevelde.com

Key Findings

We analyzed Vandevelde.com page load time and found that the first response time was 260 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

vandevelde.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value27.2 s

0/100

25%

SI (Speed Index)

Value18.3 s

0/100

10%

TBT (Total Blocking Time)

Value3,250 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

Network Requests Diagram

vandevelde.com

260 ms

www.artprice.com

91 ms

www.artprice.com

463 ms

css2

35 ms

385-12b5da3e.css

9 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vandevelde.com, 41% (28 requests) were made to Imgpublic.artprice.com and 39% (27 requests) were made to Artprice.com. The less responsive or slowest element that took the longest time to load (463 ms) relates to the external source Artprice.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 48.6 kB (1%)

Content Size

6.4 MB

After Optimization

6.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vandevelde.com main page is 6.4 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. Only a small number of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 32.8 kB

  • Original 43.2 kB
  • After minification 42.7 kB
  • After compression 10.4 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 32.8 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 15.7 kB

  • Original 4.2 MB
  • After minification 4.2 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. Vandevelde images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 80 B

  • Original 2.0 MB
  • After minification 2.0 MB
  • After compression 2.0 MB

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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 62 B

  • Original 120.3 kB
  • After minification 120.3 kB
  • After compression 120.2 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. Vandevelde.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (47%)

Requests Now

60

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vandevelde. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vandevelde.com

vandevelde.com

260 ms

www.artprice.com

www.artprice.com

91 ms

www.artprice.com

www.artprice.com

463 ms

css2

css2

35 ms

385-12b5da3e.css

385-12b5da3e.css

9 ms

common-02b2f482.css

common-02b2f482.css

10 ms

421-72874b07.css

421-72874b07.css

15 ms

125-29cd34b3.css

125-29cd34b3.css

15 ms

react-b41b9d32.css

react-b41b9d32.css

22 ms

runtime-2b682268e35ba1f8fa22.js

runtime-2b682268e35ba1f8fa22.js

16 ms

33-d48301b113e175b959ac.js

33-d48301b113e175b959ac.js

17 ms

278-68b439780c155ed2df95.js

278-68b439780c155ed2df95.js

19 ms

polyfills-5a05e92105ba3a0d796a.js

polyfills-5a05e92105ba3a0d796a.js

17 ms

conditional_polyfills-e5079b29ded676aab6e9.js

conditional_polyfills-e5079b29ded676aab6e9.js

76 ms

919-6a6f088bfc39a6819642.js

919-6a6f088bfc39a6819642.js

24 ms

695-48824e5e5f28ebcbb040.js

695-48824e5e5f28ebcbb040.js

24 ms

locales_en-080daa8b178b4653f0bf.js

locales_en-080daa8b178b4653f0bf.js

27 ms

445-80465cefbf924b43283a.js

445-80465cefbf924b43283a.js

23 ms

385-cf676374a9e77f113bc9.js

385-cf676374a9e77f113bc9.js

24 ms

490-acecea34fc46e7d06451.js

490-acecea34fc46e7d06451.js

28 ms

common-f177772007e6bb24f391.js

common-f177772007e6bb24f391.js

28 ms

421-121931565bf4f1aadf2b.js

421-121931565bf4f1aadf2b.js

27 ms

bootstrap-e07ca65a6280ff3ed1aa.js

bootstrap-e07ca65a6280ff3ed1aa.js

27 ms

728-48d1e951a9a52bedbfc2.js

728-48d1e951a9a52bedbfc2.js

71 ms

125-def76128590df8f02f98.js

125-def76128590df8f02f98.js

86 ms

431-0c2a4d1ecc3059a0ecc9.js

431-0c2a4d1ecc3059a0ecc9.js

71 ms

react-d6e096519a972056def0.js

react-d6e096519a972056def0.js

81 ms

bonhomme-white.svg

bonhomme-white.svg

219 ms

ail-1708082792.jpeg

ail-1708082792.jpeg

224 ms

update.min.js

update.min.js

37 ms

gb-6cf90268d11449c43485.svg

gb-6cf90268d11449c43485.svg

7 ms

burger_black.svg

burger_black.svg

207 ms

logo.svg

logo.svg

202 ms

chevron_black.svg

chevron_black.svg

206 ms

carte-credit.svg

carte-credit.svg

208 ms

loupe.svg

loupe.svg

208 ms

bg.jpg

bg.jpg

239 ms

myartprice.svg

myartprice.svg

206 ms

fs.svg

fs.svg

212 ms

ps.svg

ps.svg

209 ms

marketplace.svg

marketplace.svg

211 ms

artankara-4-600x600.jpg

artankara-4-600x600.jpg

223 ms

artprice-600x600.jpg

artprice-600x600.jpg

221 ms

free-test.jpg

free-test.jpg

220 ms

mktp-1.jpg

mktp-1.jpg

218 ms

mktp-2.jpg

mktp-2.jpg

216 ms

mktp-3.jpg

mktp-3.jpg

220 ms

gmac-2023-hp.jpg

gmac-2023-hp.jpg

232 ms

Artmarket-Artprice-Auction-Art-Market-Report-2022.jpg

Artmarket-Artprice-Auction-Art-Market-Report-2022.jpg

221 ms

20222GMAC-HP-SML.jpg

20222GMAC-HP-SML.jpg

229 ms

2022SEMESTRIEL-HP-SML.jpg

2022SEMESTRIEL-HP-SML.jpg

223 ms

guide.jpg

guide.jpg

223 ms

EN-VIGNETTE-168x140.png

EN-VIGNETTE-168x140.png

221 ms

VIGNETTES-AMI-4-168x140.png

VIGNETTES-AMI-4-168x140.png

224 ms

Capture-d%E2%80%99%C3%A9cran-du-2024-02-20-10-05-10-168x140.png

Capture-d%E2%80%99%C3%A9cran-du-2024-02-20-10-05-10-168x140.png

225 ms

amciup.gif

amciup.gif

224 ms

x-logo.svg

x-logo.svg

226 ms

linkedin.png

linkedin.png

227 ms

ail-1708708641.jpeg

ail-1708708641.jpeg

211 ms

ail-1708708157.jpeg

ail-1708708157.jpeg

210 ms

Bernard-CATHELIN-Bouquet-rouge-au-vase-rouge-1605037538.jpg

Bernard-CATHELIN-Bouquet-rouge-au-vase-rouge-1605037538.jpg

216 ms

Adrien-DALPAYRAT-Naiade-sur-un-rocher-1707559373.jpg

Adrien-DALPAYRAT-Naiade-sur-un-rocher-1707559373.jpg

213 ms

Chuta-KIMURA-Parc-de-Saint-Cloud-1686141178.jpg

Chuta-KIMURA-Parc-de-Saint-Cloud-1686141178.jpg

212 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

25 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

35 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0C4n.ttf

43 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

50 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

50 ms

fontawesome-webfont-f691f37e57f04c152e23.woff

fontawesome-webfont-f691f37e57f04c152e23.woff

46 ms

Accessibility Review

vandevelde.com accessibility score

94

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.

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

vandevelde.com 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

vandevelde.com SEO score

93

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vandevelde.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vandevelde.com 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

vandevelde.com

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