Tools & Wizards About Us
decathlon.tw screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    35% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

decathlon.tw

迪卡儂 台灣官方網站 - 降價出清，低至6折，萬種商品，想買就買 - 超取$199 、宅配$499 免運

Page Load Speed

4.4 sec in total

First Response

44 ms

Resources Loaded

3.2 sec

Page Rendered

1.1 sec

decathlon.tw screenshot

About Website

Visit decathlon.tw now to see the best up-to-date Decathlon content for Taiwan and also check out these interesting facts you probably never knew about decathlon.tw

迪卡儂線上購物 1000+件商品降價出清，低至6折。超商取貨199、宅配499免運，最齊全的款式、尺寸，想買就買，最快隔日到貨，輕鬆運動無負擔！從登山、露營、跑步、健身、瑜珈、皮拉提斯、水上運動、籃球、羽球、滑雪...等。超過60種項目全方面運動器材、服飾、鞋類、配件，一次滿足初學至專業運動愛好者，立即選購。

Visit decathlon.tw

Key Findings

We analyzed Decathlon.tw page load time and found that the first response time was 44 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

decathlon.tw performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value39.1 s

0/100

10%

TBT (Total Blocking Time)

Value10,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value71.2 s

0/100

10%

Network Requests Diagram

decathlon.tw

44 ms

calendar.css

23 ms

blank.css

24 ms

styles.css

41 ms

swiper.min.css

29 ms

Our browser made a total of 251 requests to load all elements on the main page. We found that 98% of them (247 requests) were addressed to the original Decathlon.tw, 1% (2 requests) were made to Widget.freshworks.com and 0% (1 request) were made to Wchat.freshchat.com. The less responsive or slowest element that took the longest time to load (971 ms) belongs to the original domain Decathlon.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (24%)

Content Size

6.0 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Decathlon.tw main page is 6.0 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. Only a small number of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 1.2 MB

  • Original 1.3 MB
  • After minification 1.1 MB
  • After compression 114.7 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. This page needs HTML code to be minified as it can gain 165.8 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 1.2 MB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 4.0 MB
  • After minification 4.0 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. Decathlon images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 174.4 kB

  • Original 503.2 kB
  • After minification 479.9 kB
  • After compression 328.8 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 174.4 kB or 35% of the original size.

CSS Optimization

-26%

Potential reduce by 47.2 kB

  • Original 182.5 kB
  • After minification 182.5 kB
  • After compression 135.4 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. Decathlon.tw needs all CSS files to be minified and compressed as it can save up to 47.2 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 105 (44%)

Requests Now

240

After Optimization

135

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 240 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Decathlon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 102 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

decathlon.tw

decathlon.tw

44 ms

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calendar.css

23 ms

blank.css

blank.css

24 ms

styles.css

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41 ms

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29 ms

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186 ms

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31 ms

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Accessibility Review

decathlon.tw accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not have valid values

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

decathlon.tw best practices score

58

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

decathlon.tw SEO score

82

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 Decathlon.tw 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 Decathlon.tw 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

decathlon.tw

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