11.4 sec in total
626 ms
10 sec
763 ms
Welcome to pc4u.co.jp homepage info - get ready to check Pc 4 U best content for Japan right away, or after learning these important things about pc4u.co.jp
パソコン・PCパーツやVR商品をお探しなら【PC4U】公式通販へどうぞ。パフォーマンスに優れ、独創性に富んだ商品を取り揃えます。正規品なのでサポート面も安心!会員限定の特価品も!3,000円以上のお買い上げで送料無料でお届けします。
Visit pc4u.co.jpWe analyzed Pc4u.co.jp page load time and found that the first response time was 626 ms and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
pc4u.co.jp performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value7.9 s
3/100
25%
Value8.1 s
20/100
10%
Value80 ms
99/100
30%
Value0.514
15/100
15%
Value7.5 s
47/100
10%
626 ms
749 ms
321 ms
327 ms
337 ms
Our browser made a total of 225 requests to load all elements on the main page. We found that 50% of them (112 requests) were addressed to the original Pc4u.co.jp, 36% (82 requests) were made to Gigaplus.makeshop.jp and 1% (3 requests) were made to Sync.fout.jp. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Pc4u.co.jp.
Page size can be reduced by 377.0 kB (9%)
4.2 MB
3.8 MB
In fact, the total size of Pc4u.co.jp main page is 4.2 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. 70% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.
Potential reduce by 125.0 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 21.4 kB, which is 14% 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 125.0 kB or 83% of the original size.
Potential reduce by 116.6 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. Pc 4 U images are well optimized though.
Potential reduce by 82.0 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 82.0 kB or 53% of the original size.
Potential reduce by 53.5 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. Pc4u.co.jp needs all CSS files to be minified and compressed as it can save up to 53.5 kB or 83% of the original size.
Number of requests can be reduced by 36 (16%)
219
183
The browser has sent 219 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pc 4 U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
pc4u.co.jp
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pc4u.co.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
pc4u.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
pc4u.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
EUC-JP
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pc4u.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 Pc4u.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.
pc4u.co.jp
Open Graph description is not detected on the main page of Pc 4 U. 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: