3.3 sec in total
498 ms
2.6 sec
175 ms
Click here to check amazing Coreserver content for Japan. Otherwise, check out these important facts you probably never knew about coreserver.jp
高速・高安定・大容量のレンタルサーバー「コアサーバー」。全プラン転送量無制限、高速SSD、無料SSL、WordPressインストール対応!さらにサポートも充実。30日間の無料お試し期間があるので、個人から法人まで安心してお使いいただけます。
Visit coreserver.jpWe analyzed Coreserver.jp page load time and found that the first response time was 498 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
coreserver.jp performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value4.6 s
35/100
25%
Value7.2 s
29/100
10%
Value3,950 ms
1/100
30%
Value0
100/100
15%
Value13.2 s
12/100
10%
498 ms
167 ms
480 ms
316 ms
333 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 77% of them (40 requests) were addressed to the original Coreserver.jp, 19% (10 requests) were made to Cache.img.gmo.jp and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (763 ms) belongs to the original domain Coreserver.jp.
Page size can be reduced by 463.7 kB (60%)
776.9 kB
313.2 kB
In fact, the total size of Coreserver.jp main page is 776.9 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. 30% of websites need less resources to load. Javascripts take 335.1 kB which makes up the majority of the site volume.
Potential reduce by 58.4 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 58.4 kB or 87% of the original size.
Potential reduce by 15.4 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. Coreserver images are well optimized though.
Potential reduce by 238.3 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 238.3 kB or 71% of the original size.
Potential reduce by 151.6 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. Coreserver.jp needs all CSS files to be minified and compressed as it can save up to 151.6 kB or 86% of the original size.
Number of requests can be reduced by 16 (31%)
51
35
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coreserver. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.coreserver.jp
498 ms
reset.css
167 ms
jquery.min.js
480 ms
layout.css
316 ms
this.css
333 ms
slide.js
333 ms
current.js
363 ms
jquery.js
581 ms
jqselectable.js
472 ms
ConfirmMsg.js
496 ms
jquery.url.js
499 ms
switch.js
542 ms
jsmartRollover.js
628 ms
scrolltopcontrol.js
634 ms
script.js
102 ms
script.js
56 ms
analytics.js
12 ms
gmologo.png
44 ms
bg.jpg
664 ms
logo.gif
169 ms
btn_user_login.gif
183 ms
global_home_off.png
160 ms
global_price_off.png
158 ms
global_function_off.png
193 ms
global_guide_off.png
315 ms
global_faq_off.png
315 ms
global_support_off.png
333 ms
slide01.png
542 ms
slide02.png
383 ms
news_midashi.gif
470 ms
maintenance_midashi.gif
471 ms
plan_midashi.png
499 ms
plan_table.gif
763 ms
internet_for_everyone.png
38 ms
user_login_bg.png
623 ms
arrow_blue01.png
625 ms
global_bg.png
663 ms
news_btm.gif
720 ms
global_home_on.png
746 ms
page_top.png
748 ms
headerstyle.min.css
28 ms
collect
11 ms
footerstyle.css
27 ms
btn.png
28 ms
global_price_on.png
168 ms
global_function_on.png
168 ms
global_guide_on.png
183 ms
global_faq_on.png
160 ms
global_support_on.png
158 ms
logo201601.png
28 ms
open_footer.png
35 ms
close_footer.png
52 ms
coreserver.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
Links do not have a discernible name
coreserver.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
General
Impact
Issue
Detected JavaScript libraries
coreserver.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coreserver.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 Coreserver.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.
coreserver.jp
Open Graph data is detected on the main page of Coreserver. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: