Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

4900.co.jp

パソコン修理のPCホスピタル【公式】

Page Load Speed

16.1 sec in total

First Response

571 ms

Resources Loaded

14.9 sec

Page Rendered

619 ms

4900.co.jp screenshot

About Website

Click here to check amazing 4900 content for Japan. Otherwise, check out these important facts you probably never knew about 4900.co.jp

パソコン修理/PC修理、データ復旧、設定、サポートまで、トラブル解決なら年間実績約14万件のデジタルの総合病院「PCホスピタル」にお任せください。365日年中無休で、全国対応いたします。店舗持込修理・駆けつけ修理は最短即日で対応いたします。

Visit 4900.co.jp

Key Findings

We analyzed 4900.co.jp page load time and found that the first response time was 571 ms and then it took 15.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

4900.co.jp performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,960 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

4900.co.jp

571 ms

www.4900.co.jp

2899 ms

style5_new.css

747 ms

commonheader.css

565 ms

campaign.css

562 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 69% of them (119 requests) were addressed to the original 4900.co.jp, 4% (7 requests) were made to Apis.google.com and 2% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain 4900.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 237.5 kB (23%)

Content Size

1.0 MB

After Optimization

784.2 kB

In fact, the total size of 4900.co.jp main page is 1.0 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. 55% of websites need less resources to load. Images take 696.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 62.0 kB

  • Original 83.6 kB
  • After minification 80.2 kB
  • After compression 21.6 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. 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 62.0 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 12.1 kB

  • Original 696.3 kB
  • After minification 684.2 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. 4900 images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 44.3 kB

  • Original 100.7 kB
  • After minification 99.1 kB
  • After compression 56.4 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 44.3 kB or 44% of the original size.

CSS Optimization

-84%

Potential reduce by 119.1 kB

  • Original 141.1 kB
  • After minification 107.3 kB
  • After compression 22.0 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. 4900.co.jp needs all CSS files to be minified and compressed as it can save up to 119.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (40%)

Requests Now

166

After Optimization

100

The browser has sent 166 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4900. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

4900.co.jp accessibility score

91

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

Form elements do not have associated labels

Best Practices

4900.co.jp best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

4900.co.jp SEO score

92

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

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 4900.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 4900.co.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

Open Graph data is detected on the main page of 4900. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: