Tools & Wizards About Us
sparco.shop-pro.jp screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

sparco.shop-pro.jp

スパルコ（SPARCO）シート・レーシングスーツ・ヘルメット専門店

Page Load Speed

6.8 sec in total

First Response

836 ms

Resources Loaded

4.8 sec

Page Rendered

1.2 sec

sparco.shop-pro.jp screenshot

About Website

Visit sparco.shop-pro.jp now to see the best up-to-date SPARCO Shop Pro content for Japan and also check out these interesting facts you probably never knew about sparco.shop-pro.jp

スパルコ(SPARCO)専門店へようこそ！レーシング　カートのシート・スーツ・ヘルメットなど人気のスパルコ(SPARCO)を正規代理店です。掲載以外の商品もご希望がありましたら、電話orメールにてお問合せ下さい。0856-78-1823

Visit sparco.shop-pro.jp

Key Findings

We analyzed Sparco.shop-pro.jp page load time and found that the first response time was 836 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sparco.shop-pro.jp performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.429

22/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

sparco.shop-pro.jp

836 ms

cross-border-cart.css

312 ms

index.css

212 ms

top.css

444 ms

jquery.min.js

38 ms

Our browser made a total of 167 requests to load all elements on the main page. We found that 4% of them (6 requests) were addressed to the original Sparco.shop-pro.jp, 57% (96 requests) were made to Img17.shop-pro.jp and 19% (32 requests) were made to Img.shop-pro.jp. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Img17.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 435.1 kB (18%)

Content Size

2.5 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sparco.shop-pro.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

-81%

Potential reduce by 60.3 kB

  • Original 74.8 kB
  • After minification 73.2 kB
  • After compression 14.5 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 60.3 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 27.6 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. SPARCO Shop Pro images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 306.3 kB

  • Original 481.9 kB
  • After minification 397.3 kB
  • After compression 175.6 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 306.3 kB or 64% of the original size.

CSS Optimization

-79%

Potential reduce by 40.8 kB

  • Original 51.4 kB
  • After minification 46.9 kB
  • After compression 10.6 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. Sparco.shop-pro.jp needs all CSS files to be minified and compressed as it can save up to 40.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (21%)

Requests Now

165

After Optimization

130

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 165 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SPARCO Shop Pro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sparco.shop-pro.jp

sparco.shop-pro.jp

836 ms

cross-border-cart.css

cross-border-cart.css

312 ms

index.css

index.css

212 ms

top.css

top.css

444 ms

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38 ms

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354 ms

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1834 ms

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1088 ms

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Accessibility Review

sparco.shop-pro.jp accessibility score

54

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.

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

Links do not have a discernible name

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

sparco.shop-pro.jp best practices score

67

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sparco.shop-pro.jp 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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sparco.shop-pro.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 Sparco.shop-pro.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sparco.shop-pro.jp

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