Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

chukopc.com

中古パソコン.com【DELL・HP中古パソコン専門店 中古パソコンドットコム】

Page Load Speed

6.3 sec in total

First Response

1 sec

Resources Loaded

5.1 sec

Page Rendered

169 ms

chukopc.com screenshot

About Website

Visit chukopc.com now to see the best up-to-date Chukopc content for Japan and also check out these interesting facts you probably never knew about chukopc.com

中古パソコン.com(中古パソコンドットコム)は、DELL・HPの中古パソコン(デスクトップパソコン・ノートパソコン)販売の専門店です。

Visit chukopc.com

Key Findings

We analyzed Chukopc.com page load time and found that the first response time was 1 sec and then it took 5.3 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

chukopc.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

chukopc.com

1045 ms

import.css

619 ms

tabber.css

621 ms

module_list.css

1827 ms

module_detail.css

1844 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 91% of them (40 requests) were addressed to the original Chukopc.com, 5% (2 requests) were made to Pcwrap.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Chukopc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.6 kB (40%)

Content Size

338.0 kB

After Optimization

201.4 kB

In fact, the total size of Chukopc.com main page is 338.0 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. Images take 258.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 22.6 kB

  • Original 26.9 kB
  • After minification 13.6 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 13.3 kB, which is 49% 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 22.6 kB or 84% of the original size.

Image Optimization

-33%

Potential reduce by 85.9 kB

  • Original 258.9 kB
  • After minification 173.1 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. Obviously, Chukopc needs image optimization as it can save up to 85.9 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 2.4 kB

  • Original 20.4 kB
  • After minification 19.1 kB
  • After compression 18.0 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 2.4 kB or 12% of the original size.

CSS Optimization

-81%

Potential reduce by 25.7 kB

  • Original 31.8 kB
  • After minification 23.0 kB
  • After compression 6.1 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. Chukopc.com needs all CSS files to be minified and compressed as it can save up to 25.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (19%)

Requests Now

43

After Optimization

35

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chukopc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chukopc.com 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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

chukopc.com 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

High

Page has valid source maps

SEO Factors

chukopc.com SEO score

83

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 Chukopc.com 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 Chukopc.com 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 Chukopc. 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: