Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

auction.catawiki.hk

每週推出拍賣的網上市場

Page Load Speed

16.5 sec in total

First Response

486 ms

Resources Loaded

8.5 sec

Page Rendered

7.5 sec

auction.catawiki.hk screenshot

About Website

Welcome to auction.catawiki.hk homepage info - get ready to check Auction Catawiki best content for Taiwan right away, or after learning these important things about auction.catawiki.hk

在歐洲訪問量最大的網上策劃市場上進行買賣。每週專家精心挑選的75,000件特殊和難以找到的物品進行拍賣。

Visit auction.catawiki.hk

Key Findings

We analyzed Auction.catawiki.hk page load time and found that the first response time was 486 ms and then it took 16 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

auction.catawiki.hk performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value1,890 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

auction.catawiki.hk

486 ms

jquery-1.9.1.min.js

270 ms

tooltip.js

210 ms

proximanova.css

184 ms

application.min.css

350 ms

Our browser made a total of 498 requests to load all elements on the main page. We found that 4% of them (22 requests) were addressed to the original Auction.catawiki.hk, 87% (432 requests) were made to Assets.catawiki.nl and 2% (8 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Auction.catawiki.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (38%)

Content Size

4.0 MB

After Optimization

2.5 MB

In fact, the total size of Auction.catawiki.hk main page is 4.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 905.5 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 105.9 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 905.5 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 12.7 kB

  • Original 2.2 MB
  • After minification 2.2 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. Auction Catawiki images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 324.1 kB

  • Original 500.8 kB
  • After minification 496.4 kB
  • After compression 176.6 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 324.1 kB or 65% of the original size.

CSS Optimization

-85%

Potential reduce by 282.3 kB

  • Original 331.9 kB
  • After minification 331.0 kB
  • After compression 49.6 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. Auction.catawiki.hk needs all CSS files to be minified and compressed as it can save up to 282.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (7%)

Requests Now

490

After Optimization

454

The browser has sent 490 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auction 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 21 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

auction.catawiki.hk accessibility score

48

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

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

auction.catawiki.hk 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

auction.catawiki.hk 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

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Auction.catawiki.hk can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Auction.catawiki.hk 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 Auction Catawiki. 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: