Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

tyre.dunlop.co.jp

タイヤを求める全ての人の為に。|【DUNLOP】ダンロップタイヤ 公式

Page Load Speed

10 sec in total

First Response

2 sec

Resources Loaded

7.5 sec

Page Rendered

448 ms

tyre.dunlop.co.jp screenshot

About Website

Visit tyre.dunlop.co.jp now to see the best up-to-date Tyre DUNLOP content for Japan and also check out these interesting facts you probably never knew about tyre.dunlop.co.jp

ダンロップタイヤ公式サイトでは、「ひとりひとりに一番合ったタイヤを。」をコンセプトに、乗り方や目的に合わせたバリエーション豊富なタイヤパターンと、幅広い車種に対応するサイズラインアップで、ニーズにお応えする商品をご紹介しています。また、ご利用中のお車やタイヤサイズから簡単に検索できる機能を備え、よりスムーズにタイヤをお探しいただけます。タイヤについての疑問を解決したい方は、タイヤの基礎知識やタイヤ...

Visit tyre.dunlop.co.jp

Key Findings

We analyzed Tyre.dunlop.co.jp page load time and found that the first response time was 2 sec and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tyre.dunlop.co.jp performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.642

9/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

tyre.dunlop.co.jp

2010 ms

common2013.css

630 ms

global_parts.css

668 ms

global_nav.css

671 ms

jquery-1.7.1.min.js

1185 ms

Our browser made a total of 161 requests to load all elements on the main page. We found that 79% of them (127 requests) were addressed to the original Tyre.dunlop.co.jp, 4% (7 requests) were made to Apis.google.com and 2% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Tyre.dunlop.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 549.0 kB (22%)

Content Size

2.5 MB

After Optimization

2.0 MB

In fact, the total size of Tyre.dunlop.co.jp main page is 2.5 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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 73.1 kB

  • Original 91.7 kB
  • After minification 85.0 kB
  • After compression 18.6 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 73.1 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 62.1 kB

  • Original 1.9 MB
  • After minification 1.8 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. Tyre DUNLOP images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 300.0 kB

  • Original 440.3 kB
  • After minification 398.3 kB
  • After compression 140.4 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 300.0 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 113.8 kB

  • Original 135.2 kB
  • After minification 108.0 kB
  • After compression 21.5 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. Tyre.dunlop.co.jp needs all CSS files to be minified and compressed as it can save up to 113.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (40%)

Requests Now

160

After Optimization

96

The browser has sent 160 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tyre DUNLOP. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tyre.dunlop.co.jp accessibility score

87

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

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

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

Form elements do not have associated labels

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

tyre.dunlop.co.jp best practices score

75

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

Browser errors were logged to the console

SEO Factors

tyre.dunlop.co.jp SEO score

85

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tyre.dunlop.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Tyre.dunlop.co.jp 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 data is detected on the main page of Tyre DUNLOP. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: