Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

shop-jspcaudio.net

JS PC Audio オンラインショップ

Page Load Speed

8.7 sec in total

First Response

628 ms

Resources Loaded

7.9 sec

Page Rendered

136 ms

shop-jspcaudio.net screenshot

About Website

Visit shop-jspcaudio.net now to see the best up-to-date Shop JS PC Audio content for Japan and also check out these interesting facts you probably never knew about shop-jspcaudio.net

Visit shop-jspcaudio.net

Key Findings

We analyzed Shop-jspcaudio.net page load time and found that the first response time was 628 ms and then it took 8.1 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

shop-jspcaudio.net performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

shop-jspcaudio.net

628 ms

m_sys_common.css

311 ms

import.css

314 ms

script.js

329 ms

check_history.css

333 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 74% of them (62 requests) were addressed to the original Shop-jspcaudio.net, 4% (3 requests) were made to Sync.fout.jp and 2% (2 requests) were made to Js.fout.jp. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Shop-jspcaudio.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.1 kB (44%)

Content Size

228.4 kB

After Optimization

127.4 kB

In fact, the total size of Shop-jspcaudio.net main page is 228.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 109.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.9 kB

  • Original 57.1 kB
  • After minification 51.5 kB
  • After compression 11.2 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 45.9 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 6.4 kB

  • Original 109.0 kB
  • After minification 102.7 kB

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. Shop JS PC Audio images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 5.0 kB

  • Original 9.0 kB
  • After minification 7.1 kB
  • After compression 4.0 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 5.0 kB or 56% of the original size.

CSS Optimization

-82%

Potential reduce by 43.8 kB

  • Original 53.3 kB
  • After minification 40.6 kB
  • After compression 9.5 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. Shop-jspcaudio.net needs all CSS files to be minified and compressed as it can save up to 43.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (56%)

Requests Now

81

After Optimization

36

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop JS PC Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

shop-jspcaudio.net accessibility score

65

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

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

shop-jspcaudio.net 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

shop-jspcaudio.net SEO score

75

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

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

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shop-jspcaudio.net 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 Shop-jspcaudio.net 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

Open Graph description is not detected on the main page of Shop JS PC Audio. 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: