Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

comshop.co.jp

コムショップ:中古ゲーム/アニメ/パソコン 販売と買取のサイト

Page Load Speed

2.7 sec in total

First Response

538 ms

Resources Loaded

2 sec

Page Rendered

126 ms

comshop.co.jp screenshot

About Website

Click here to check amazing Comshop content for Japan. Otherwise, check out these important facts you probably never knew about comshop.co.jp

コムショップ通販:PCソフト、ゲーム、プレステ4、プレステ3、アニメ、ブルーレイ、フィギュア、中古、通信買取:通販サイト

Visit comshop.co.jp

Key Findings

We analyzed Comshop.co.jp page load time and found that the first response time was 538 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

comshop.co.jp performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.813

4/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

comshop.co.jp

538 ms

www.comshop.co.jp

689 ms

style.css

320 ms

kaic-20121017.css

350 ms

hinmoku.gif

704 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 67% of them (10 requests) were addressed to the original Comshop.co.jp, 27% (4 requests) were made to Google-analytics.com and 7% (1 request) were made to Com-corporation.co.jp. The less responsive or slowest element that took the longest time to load (963 ms) belongs to the original domain Comshop.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.9 kB (44%)

Content Size

471.0 kB

After Optimization

264.1 kB

In fact, the total size of Comshop.co.jp main page is 471.0 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. Only 10% of websites need less resources to load. Javascripts take 300.1 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.2 kB

  • Original 4.8 kB
  • After minification 4.2 kB
  • After compression 1.6 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. This page needs HTML code to be minified as it can gain 595 B, which is 12% 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 3.2 kB or 67% of the original size.

Image Optimization

-1%

Potential reduce by 870 B

  • Original 164.1 kB
  • After minification 163.3 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. Comshop images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 201.2 kB

  • Original 300.1 kB
  • After minification 300.1 kB
  • After compression 98.8 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 201.2 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 1.7 kB

  • Original 2.0 kB
  • After minification 1.0 kB
  • After compression 377 B

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. Comshop.co.jp needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Comshop. According to our analytics all requests are already optimized.

Accessibility Review

comshop.co.jp accessibility score

77

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.

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

comshop.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

comshop.co.jp SEO score

92

Search Engine Optimization Advices

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Comshop.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Comshop.co.jp main page’s claimed encoding is shift_jis. 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 Comshop. 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: