8.9 sec in total
1.5 sec
7.2 sec
180 ms
Click here to check amazing Karatetsu content for Japan. Otherwise, check out these important facts you probably never knew about karatetsu.jp
カラオケの鉄人のマイ歌本の追加編集ができちゃいます。
Visit karatetsu.jpWe analyzed Karatetsu.jp page load time and found that the first response time was 1.5 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
karatetsu.jp performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value5.7 s
16/100
25%
Value11.2 s
5/100
10%
Value110 ms
97/100
30%
Value0.387
27/100
15%
Value5.7 s
68/100
10%
1505 ms
379 ms
656 ms
353 ms
354 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 91% of them (41 requests) were addressed to the original Karatetsu.jp, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Karatetsu.jp.
Page size can be reduced by 80.8 kB (44%)
185.4 kB
104.6 kB
In fact, the total size of Karatetsu.jp main page is 185.4 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. 20% of websites need less resources to load. Javascripts take 87.0 kB which makes up the majority of the site volume.
Potential reduce by 5.4 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. This page needs HTML code to be minified as it can gain 1.5 kB, which is 19% 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 5.4 kB or 67% of the original size.
Potential reduce by 39 B
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. Karatetsu images are well optimized though.
Potential reduce by 50.5 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 50.5 kB or 58% of the original size.
Potential reduce by 24.9 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. Karatetsu.jp needs all CSS files to be minified and compressed as it can save up to 24.9 kB or 84% of the original size.
Number of requests can be reduced by 17 (39%)
44
27
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Karatetsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
1505 ms
common.css
379 ms
jquery.js
656 ms
common.js
353 ms
AC_RunActiveContent.js
354 ms
ga.js
40 ms
follow_button.html
133 ms
cmn_bg.gif
192 ms
cmn_wpr_bg.gif
165 ms
top_wpr_bg_top.gif
533 ms
top_logo2.jpg
529 ms
top_hdr_txt.gif
492 ms
top_flash.gif
3109 ms
top_search_bg.gif
331 ms
top_search_bg_btm.gif
380 ms
top_pic_04.gif
496 ms
cmn_line_one.gif
569 ms
top_btn_search_off.gif
656 ms
top_pic_01.gif
661 ms
top_btn_ms_off.gif
705 ms
top_pic_02.gif
710 ms
cmn_l_bg_bg.gif
758 ms
cmn_l_balloon.gif
818 ms
cmn_l_balloon_bg.gif
824 ms
cmn_l_balloon_bg_top.gif
880 ms
cmn_l_balloon_bg_btm.gif
886 ms
cmn_line_double.gif
945 ms
cmn_btn_in_off.gif
984 ms
cmn_l_h.gif
988 ms
cmn_l_btn_ms_off.gif
1057 ms
cmn_l_bg_btm.gif
1061 ms
cmn_lnav_myutabon_off.gif
1134 ms
button_search_off.gif
1148 ms
cmn_lnav_ranking_off.gif
1151 ms
cmn_lnav_shop_off.gif
1231 ms
cmn_l_bn.gif
1237 ms
qr_code.gif
1322 ms
cmn_wpr_bg_btm.gif
1311 ms
cmn_go_top.gif
1314 ms
cmn_ftr_bg.gif
1407 ms
cmn_ftr_bg_top.gif
1412 ms
cmn_ftr_bg_btm.gif
1474 ms
cmn_ftr_logo.gif
1466 ms
__utm.gif
13 ms
embeds
98 ms
karatetsu.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
karatetsu.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
karatetsu.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
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Karatetsu.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 Karatetsu.jp main page’s claimed encoding is shift_jis. 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.
karatetsu.jp
Open Graph description is not detected on the main page of Karatetsu. 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: