Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

willson.co.jp

ウイルソン~カーワックス・ケミカル・洗車用品 車のお手入れ総合メーカー~

Page Load Speed

4.9 sec in total

First Response

679 ms

Resources Loaded

4 sec

Page Rendered

254 ms

willson.co.jp screenshot

About Website

Welcome to willson.co.jp homepage info - get ready to check Willson best content for Russia right away, or after learning these important things about willson.co.jp

洗車用品ならウイルソン!!カーワックス・シャンプーだけでなく、タイヤのツヤ出し・車内のお手入れ品など、車をキレイにする為の商品を数多く取り揃えております。

Visit willson.co.jp

Key Findings

We analyzed Willson.co.jp page load time and found that the first response time was 679 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

willson.co.jp performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

willson.co.jp

679 ms

cm_init.css

325 ms

cm_contents.css

326 ms

cm_pageframe.css

329 ms

ct_index.css

333 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 96% of them (51 requests) were addressed to the original Willson.co.jp, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Willson.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.1 kB (10%)

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of Willson.co.jp main page is 2.6 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. 45% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 13.8 kB

  • Original 18.1 kB
  • After minification 15.6 kB
  • After compression 4.3 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 2.5 kB, which is 14% 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 13.8 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 8.0 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. Willson images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 191.7 kB

  • Original 287.7 kB
  • After minification 281.1 kB
  • After compression 96.0 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 191.7 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 51.6 kB

  • Original 60.3 kB
  • After minification 45.3 kB
  • After compression 8.6 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. Willson.co.jp needs all CSS files to be minified and compressed as it can save up to 51.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (23%)

Requests Now

52

After Optimization

40

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Willson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

willson.co.jp accessibility score

60

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

willson.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

willson.co.jp SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Willson.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 Willson.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 description is not detected on the main page of Willson. 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: