7.1 sec in total
913 ms
5.9 sec
278 ms
Click here to check amazing Prcenter content for Japan. Otherwise, check out these important facts you probably never knew about prcenter.jp
Visit prcenter.jpWe analyzed Prcenter.jp page load time and found that the first response time was 913 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
prcenter.jp performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value6.6 s
8/100
25%
Value11.3 s
5/100
10%
Value80 ms
99/100
30%
Value0.007
100/100
15%
Value12.8 s
13/100
10%
913 ms
804 ms
949 ms
435 ms
456 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 93% of them (41 requests) were addressed to the original Prcenter.jp, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Gred.jp. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Prcenter.jp.
Page size can be reduced by 54.5 kB (10%)
545.9 kB
491.5 kB
In fact, the total size of Prcenter.jp main page is 545.9 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. 15% of websites need less resources to load. Images take 477.2 kB which makes up the majority of the site volume.
Potential reduce by 9.4 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 9.4 kB or 68% of the original size.
Potential reduce by 14.3 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. Prcenter images are well optimized though.
Potential reduce by 8.6 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 8.6 kB or 29% of the original size.
Potential reduce by 22.3 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. Prcenter.jp needs all CSS files to be minified and compressed as it can save up to 22.3 kB or 88% of the original size.
Number of requests can be reduced by 11 (26%)
42
31
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prcenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
prcenter.jp
913 ms
gred_checker.js
804 ms
default.css
949 ms
base.js
435 ms
default.js
456 ms
fontsize.js
460 ms
swfobject.js
778 ms
bg_green.jpg
378 ms
H28.3.14.jpg
1051 ms
H28.2.22.jpg
901 ms
H28.2.4.jpg
1075 ms
H28.1.19.jpg
1197 ms
header.jpg
1844 ms
btn-home_on.jpg
377 ms
btn-news.jpg
369 ms
btn-company.jpg
578 ms
btn_business.jpg
758 ms
btn_privacy.jpg
1225 ms
tit_news.jpg
1135 ms
tit_backnuber.jpg
1450 ms
tit_site.jpg
1460 ms
tit_link.jpg
1482 ms
bn-jra.jpg
2131 ms
greenchannel.jpg
2134 ms
jra_van.jpg
2420 ms
bn-gatej.jpg
2234 ms
pmark.gif
2077 ms
btn_sitemap.png
2257 ms
btn_navi.png
2424 ms
middle-shadow.jpg
2472 ms
top-shadow.jpg
2489 ms
racingviewer.jpg
2583 ms
yushun.jpg
2631 ms
bottom-shadow.jpg
2870 ms
middle-shadow_r.jpg
2867 ms
top-shadow_r.jpg
2862 ms
icon01.gif
2863 ms
bottom-shadow_r.jpg
2988 ms
footer-shadow.jpg
3097 ms
ga.js
8 ms
__utm.gif
12 ms
btn-news_on.jpg
350 ms
btn-company_on.jpg
499 ms
btn_business_on.jpg
652 ms
prcenter.jp accessibility score
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.
prcenter.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
prcenter.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prcenter.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 Prcenter.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
prcenter.jp
Open Graph description is not detected on the main page of Prcenter. 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: