Tools & Wizards About Us
catawiki.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

catawiki.com

The Online Marketplace with Weekly Auctions

Page Load Speed

3.5 sec in total

First Response

305 ms

Resources Loaded

2.6 sec

Page Rendered

557 ms

catawiki.com screenshot

About Website

Visit catawiki.com now to see the best up-to-date Catawiki content for Netherlands and also check out these interesting facts you probably never knew about catawiki.com

Buy and sell on Europe’s most-visited online curated marketplace. Weekly auctions of 75,000 special and hard-to-find objects selected by experts.

Visit catawiki.com

Key Findings

We analyzed Catawiki.com page load time and found that the first response time was 305 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

catawiki.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value4,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

Network Requests Diagram

catawiki.com

305 ms

www.catawiki.com

398 ms

jquery-1.9.1.min.js

190 ms

proximanova.css

182 ms

application.min.css

357 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 31% of them (45 requests) were addressed to the original Catawiki.com, 28% (41 requests) were made to Assets.catawiki.nl and 5% (7 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (919 ms) belongs to the original domain Catawiki.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (47%)

Content Size

2.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Catawiki.com main page is 2.7 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. 70% of websites need less resources to load. Images take 986.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 149.5 kB

  • Original 194.0 kB
  • After minification 193.8 kB
  • After compression 44.4 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 149.5 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 11.2 kB

  • Original 986.3 kB
  • After minification 975.0 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. Catawiki images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 646.0 kB

  • Original 972.5 kB
  • After minification 963.2 kB
  • After compression 326.5 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 646.0 kB or 66% of the original size.

CSS Optimization

-84%

Potential reduce by 479.1 kB

  • Original 569.0 kB
  • After minification 568.0 kB
  • After compression 89.8 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. Catawiki.com needs all CSS files to be minified and compressed as it can save up to 479.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (41%)

Requests Now

136

After Optimization

80

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Catawiki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

catawiki.com

catawiki.com

305 ms

www.catawiki.com

www.catawiki.com

398 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

190 ms

proximanova.css

proximanova.css

182 ms

application.min.css

application.min.css

357 ms

modernizr.min.js

modernizr.min.js

181 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

13 ms

application.min.js

application.min.js

352 ms

gt_ie7.js

gt_ie7.js

188 ms

module.js

module.js

189 ms

tooltip.js

tooltip.js

191 ms

linked_list.js

linked_list.js

197 ms

countdown_clocks.js

countdown_clocks.js

351 ms

registration_modal_boxes.js

registration_modal_boxes.js

351 ms

s.js

s.js

351 ms

510x57.png

510x57.png

54 ms

thumb5_2d2b3a8c-d96b-11e5-8b24-519e64c5655b.jpg

thumb5_2d2b3a8c-d96b-11e5-8b24-519e64c5655b.jpg

444 ms

Nf4JwvNQqRo

Nf4JwvNQqRo

434 ms

thumb6_084e12d8-dd68-11e5-8308-1ce9e36ba1bc.jpg

thumb6_084e12d8-dd68-11e5-8308-1ce9e36ba1bc.jpg

418 ms

thumb6_b2bba690-9088-11e5-9de9-9c55f49ee682.jpg

thumb6_b2bba690-9088-11e5-9de9-9c55f49ee682.jpg

416 ms

thumb5_b061f17e-d3ef-11e5-92b2-8598deec406c.jpg

thumb5_b061f17e-d3ef-11e5-92b2-8598deec406c.jpg

421 ms

thumb6_48e4fda8-cb29-11e5-872b-242c4bfecbbe.jpg

thumb6_48e4fda8-cb29-11e5-872b-242c4bfecbbe.jpg

417 ms

thumb6_aa3399b0-d255-11e5-9e2d-1a2b73134344.jpg

thumb6_aa3399b0-d255-11e5-9e2d-1a2b73134344.jpg

416 ms

thumb5_fc34c748-d70a-11e5-8390-581981f6a9e2.jpg

thumb5_fc34c748-d70a-11e5-8390-581981f6a9e2.jpg

422 ms

thumb6_1bcf99ae-da6a-11e5-89f3-a4f17b80230f.jpg

thumb6_1bcf99ae-da6a-11e5-89f3-a4f17b80230f.jpg

421 ms

thumb6_fcf6170e-da39-11e5-969b-062c2322d366.jpg

thumb6_fcf6170e-da39-11e5-969b-062c2322d366.jpg

423 ms

thumb5_230b5778-d621-11e5-9024-b8ee47d60085.jpg

thumb5_230b5778-d621-11e5-9024-b8ee47d60085.jpg

422 ms

thumb6_3cd9b5d8-ac86-11e5-9b6a-646ed5e38155.jpg

thumb6_3cd9b5d8-ac86-11e5-9b6a-646ed5e38155.jpg

421 ms

thumb6_2cb21e7a-d229-11e5-8c3c-6fbf5bf3d1e4.jpg

thumb6_2cb21e7a-d229-11e5-8c3c-6fbf5bf3d1e4.jpg

492 ms

thumb5_3e5a7766-d80b-11e5-8c58-e5f1f5c4eaf1.jpg

thumb5_3e5a7766-d80b-11e5-8c58-e5f1f5c4eaf1.jpg

493 ms

thumb6_91a6c850-d80d-11e5-95bd-3d4a04eded1c.jpg

thumb6_91a6c850-d80d-11e5-95bd-3d4a04eded1c.jpg

492 ms

thumb6_bacb26a6-da54-11e5-8844-37ac6a7f8a53.jpg

thumb6_bacb26a6-da54-11e5-8844-37ac6a7f8a53.jpg

494 ms

thumb5_140a10b4-d74a-11e5-8bdf-93111ca848b8.jpg

thumb5_140a10b4-d74a-11e5-8bdf-93111ca848b8.jpg

492 ms

thumb6_c0719150-d6ec-11e5-8e0c-9af6f9c0a56b.jpg

thumb6_c0719150-d6ec-11e5-8e0c-9af6f9c0a56b.jpg

492 ms

thumb6_adfa29da-c407-11e5-9944-66f737e01af9.jpg

thumb6_adfa29da-c407-11e5-9944-66f737e01af9.jpg

525 ms

thumb5_005930d6-cf70-11e5-803b-9e2e3483e92a.jpg

thumb5_005930d6-cf70-11e5-803b-9e2e3483e92a.jpg

523 ms

thumb6_a2b86fd8-ce74-11e5-84b0-c4cad15b43ad.jpg

thumb6_a2b86fd8-ce74-11e5-84b0-c4cad15b43ad.jpg

524 ms

thumb6_7b29f678-d08e-11e5-8bbd-4dc07b5aa715.jpg

thumb6_7b29f678-d08e-11e5-8bbd-4dc07b5aa715.jpg

523 ms

thumb5_ef2c5f4a-d893-11e5-8e2c-d30279fcc327.jpg

thumb5_ef2c5f4a-d893-11e5-8e2c-d30279fcc327.jpg

522 ms

thumb6_01d5998a-d89f-11e5-8010-ba362303e02e.jpg

thumb6_01d5998a-d89f-11e5-8010-ba362303e02e.jpg

522 ms

thumb6_4cdd152c-d4bf-11e5-8cc2-85b1cf0fe55e.jpg

thumb6_4cdd152c-d4bf-11e5-8cc2-85b1cf0fe55e.jpg

625 ms

46e86d12-d58f-11e5-95ff-d43b38429aa2.jpg

46e86d12-d58f-11e5-95ff-d43b38429aa2.jpg

609 ms

ff5be66a-db09-11e5-9a30-088d15353fd6.jpg

ff5be66a-db09-11e5-9a30-088d15353fd6.jpg

624 ms

29e528c8-6028-11e4-9f68-23a232e596ff.jpg

29e528c8-6028-11e4-9f68-23a232e596ff.jpg

624 ms

470fbab0-56e7-11e5-9dab-1818db7bb07b.jpg

470fbab0-56e7-11e5-9dab-1818db7bb07b.jpg

623 ms

ee4d27c4-6c1b-11e5-96b1-6695d90bcdf0.jpg

ee4d27c4-6c1b-11e5-96b1-6695d90bcdf0.jpg

623 ms

8bf0b1de-4bed-11e5-89f4-32e81311459f.jpg

8bf0b1de-4bed-11e5-89f4-32e81311459f.jpg

703 ms

95db55de-cbe3-11e5-95e3-8ac1f5b674d8.jpg

95db55de-cbe3-11e5-95e3-8ac1f5b674d8.jpg

705 ms

7ff72a20-4bed-11e5-8022-6e7d73d72426.jpg

7ff72a20-4bed-11e5-8022-6e7d73d72426.jpg

703 ms

723c7584-8d10-11e5-8bfb-ccad862b163f.png

723c7584-8d10-11e5-8bfb-ccad862b163f.png

790 ms

8efa029a-8d10-11e5-9bf1-7e344f4195dd.png

8efa029a-8d10-11e5-9bf1-7e344f4195dd.png

874 ms

bdf35204-8d10-11e5-85bb-0455d6f54255.png

bdf35204-8d10-11e5-85bb-0455d6f54255.png

878 ms

e090777e-8d10-11e5-8ac8-1499356ac87c.png

e090777e-8d10-11e5-8ac8-1499356ac87c.png

877 ms

260x48.png

260x48.png

65 ms

iphone_app.png

iphone_app.png

397 ms

appstore-en.svg

appstore-en.svg

388 ms

googleplay-en.svg

googleplay-en.svg

390 ms

android_app.png

android_app.png

397 ms

hero-2cv-automaat.png

hero-2cv-automaat.png

392 ms

usp_users.svg

usp_users.svg

386 ms

usp_hammer.svg

usp_hammer.svg

398 ms

usp_lock.svg

usp_lock.svg

397 ms

apps-logos.svg

apps-logos.svg

398 ms

img_place_holder.gif

img_place_holder.gif

399 ms

media-metro.png

media-metro.png

404 ms

media-thetelegraph.png

media-thetelegraph.png

404 ms

media-elpais.png

media-elpais.png

403 ms

media-mailonline.png

media-mailonline.png

404 ms

media-lefigaro.png

media-lefigaro.png

402 ms

media-bzberlin.png

media-bzberlin.png

404 ms

ratings.svg

ratings.svg

408 ms

mobile_and_tablet.png

mobile_and_tablet.png

919 ms

twitter_default.png

twitter_default.png

409 ms

notarial_icon_en.svg

notarial_icon_en.svg

470 ms

accenture_innovationaward.svg

accenture_innovationaward.svg

465 ms

comodo_secure@2x.png

comodo_secure@2x.png

409 ms

fast500@2x.png

fast500@2x.png

508 ms

catawiki_logo.svg

catawiki_logo.svg

628 ms

pound.svg

pound.svg

508 ms

65 ms

newsletter.svg

newsletter.svg

506 ms

analytics.js

analytics.js

319 ms

gtm.js

gtm.js

327 ms

gtm.js

gtm.js

326 ms

316 ms

my_catawiki_menu_data

my_catawiki_menu_data

382 ms

new_registration_modal_slidein

new_registration_modal_slidein

285 ms

proximanova-light.woff

proximanova-light.woff

592 ms

proximanova-semibold.woff

proximanova-semibold.woff

567 ms

proximanova-bold.woff

proximanova-bold.woff

481 ms

proximanova-light-italic.woff

proximanova-light-italic.woff

652 ms

entypo.woff

entypo.woff

661 ms

all.js

all.js

152 ms

widgets.js

widgets.js

60 ms

pinit.js

pinit.js

60 ms

collect

collect

51 ms

collect

collect

100 ms

webtrekk.js

webtrekk.js

165 ms

tsc

tsc

399 ms

hotjar-76392.js

hotjar-76392.js

101 ms

fbevents.js

fbevents.js

96 ms

iframe_api

iframe_api

54 ms

collect

collect

42 ms

collect

collect

76 ms

activityi;src=5139330;type=mst;cat=cataw0;u1=;u2=;u3=;u4=HomePage;ord=5528884673887;~oref=http%3A%2F%2Fwww.catawiki.com%2F

activityi;src=5139330;type=mst;cat=cataw0;u1=;u2=;u3=;u4=HomePage;ord=5528884673887;~oref=http%3A%2F%2Fwww.catawiki.com%2F

60 ms

Nf4JwvNQqRo

Nf4JwvNQqRo

109 ms

collect

collect

38 ms

collect

collect

55 ms

www-widgetapi.js

www-widgetapi.js

30 ms

unshipped_orders_message

unshipped_orders_message

166 ms

pinit_main.js

pinit_main.js

31 ms

ga-audiences

ga-audiences

44 ms

139 ms

modules-1f5c71aea63f8df71401422ed80fbe5f.js

modules-1f5c71aea63f8df71401422ed80fbe5f.js

35 ms

www-embed-player-vflZsBgOl.css

www-embed-player-vflZsBgOl.css

87 ms

www-embed-player.js

www-embed-player.js

112 ms

133 ms

xd_arbiter.php

xd_arbiter.php

162 ms

xd_arbiter.php

xd_arbiter.php

300 ms

wt

wt

364 ms

510x57.png

510x57.png

31 ms

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

6 ms

ad_status.js

ad_status.js

43 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

72 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

82 ms

print.css

print.css

115 ms

nr-852.min.js

nr-852.min.js

48 ms

collect

collect

46 ms

ping

ping

43 ms

collect

collect

32 ms

collect

collect

34 ms

index.html

index.html

31 ms

1066efc038

1066efc038

53 ms

main.js

main.js

8 ms

sprite_star.png

sprite_star.png

9 ms

a

a

41 ms

like.php

like.php

61 ms

nr-686.min.js

nr-686.min.js

24 ms

550003f00000ff00057df93a

550003f00000ff00057df93a

34 ms

reviews

reviews

43 ms

logos

logos

43 ms

web-links

web-links

51 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

299 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

328 ms

5596035ebd

5596035ebd

32 ms

4

4

17 ms

120x18.png

120x18.png

9 ms

Accessibility Review

catawiki.com accessibility score

54

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

catawiki.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

catawiki.com SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

catawiki.com

Open Graph data is detected on the main page of Catawiki. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: