4.3 sec in total
399 ms
3.7 sec
212 ms
Welcome to kurobas.com homepage info - get ready to check Kurobas best content for Indonesia right away, or after learning these important things about kurobas.com
集英社ジャンプコミックス刊・「少年ジャンプNEXT!!」連載、「黒子のバスケ」(原作:藤巻忠俊)TVアニメ化!アニメ「黒子のバスケ」公式サイトです。
Visit kurobas.comWe analyzed Kurobas.com page load time and found that the first response time was 399 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
kurobas.com performance score
name
value
score
weighting
Value2.3 s
74/100
10%
Value8.8 s
1/100
25%
Value6.1 s
45/100
10%
Value890 ms
32/100
30%
Value0.451
20/100
15%
Value3.6 s
91/100
10%
399 ms
545 ms
152 ms
450 ms
340 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 91% of them (50 requests) were addressed to the original Kurobas.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Kurobas.com.
Page size can be reduced by 390.9 kB (31%)
1.3 MB
887.2 kB
In fact, the total size of Kurobas.com main page is 1.3 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. 30% of websites need less resources to load. Images take 767.3 kB which makes up the majority of the site volume.
Potential reduce by 12.7 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 12.7 kB or 74% of the original size.
Potential reduce by 19.9 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. Kurobas images are well optimized though.
Potential reduce by 305.4 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 305.4 kB or 71% of the original size.
Potential reduce by 52.9 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. Kurobas.com needs all CSS files to be minified and compressed as it can save up to 52.9 kB or 85% of the original size.
Number of requests can be reduced by 18 (35%)
51
33
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kurobas. 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 7 to 1 for CSS and as a result speed up the page load time.
kurobas.com
399 ms
www.kurobas.com
545 ms
reset.css
152 ms
cmn.css
450 ms
side_menu.css
340 ms
lightbox.css
366 ms
prototype.js
1091 ms
scriptaculous.js
366 ms
lightbox.js
559 ms
jquery.js
977 ms
tab_switch.js
551 ms
jquery.cookie.js
551 ms
colorbox_black.css
731 ms
jquery.colorbox.js
915 ms
flexslider.css
746 ms
jquery.flexslider-min.js
897 ms
jquery.jscrollpane.css
913 ms
jquery.jscrollpane.min.js
934 ms
jquery.mousewheel.js
1048 ms
conversion.js
13 ms
effects.js
151 ms
body_bg.gif
152 ms
container_bg.jpg
964 ms
logo.png
375 ms
gmenu01.png
187 ms
gmenu02.png
185 ms
gmenu03.png
184 ms
gmenu04.png
300 ms
gmenu05.png
365 ms
gmenu06.png
365 ms
gmenu07.png
366 ms
gmenu08.png
450 ms
gmenu09.png
546 ms
gmenu10.png
547 ms
gmenu11.png
549 ms
onair.png
560 ms
bnr_youtube06.jpg
599 ms
latest_bg.png
727 ms
title_news.png
728 ms
title_twitter.png
730 ms
bottom_bg.png
746 ms
ban_shonenjump.gif
748 ms
bnr_app.png
909 ms
footer_bnr_matsuri.png
1089 ms
footer_bnr_butai.png
1095 ms
footer_bnr_cup2015.png
933 ms
ban_kurobasucom.jpg
898 ms
ban_game3ds2.jpg
1047 ms
ga.js
41 ms
51 ms
__utm.gif
19 ms
45 ms
print.css
152 ms
loading.gif
152 ms
closelabel.gif
161 ms
kurobas.com 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
kurobas.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
kurobas.com SEO score
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 doesn't use legible font sizes
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kurobas.com 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 Kurobas.com 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.
kurobas.com
Open Graph description is not detected on the main page of Kurobas. 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: