4.7 sec in total
699 ms
3.7 sec
289 ms
Click here to check amazing BTS OFFICIAL content for Japan. Otherwise, check out these important facts you probably never knew about bts-official.jp
「BTS」のオフィシャルファンクラブサイトです。
Visit bts-official.jpWe analyzed Bts-official.jp page load time and found that the first response time was 699 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
bts-official.jp performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value24.0 s
0/100
25%
Value9.2 s
13/100
10%
Value1,990 ms
8/100
30%
Value0.185
66/100
15%
Value19.6 s
2/100
10%
699 ms
328 ms
326 ms
330 ms
345 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 49% of them (39 requests) were addressed to the original Bts-official.jp, 18% (14 requests) were made to Pbs.twimg.com and 13% (10 requests) were made to Abs.twimg.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Bts-official.jp.
Page size can be reduced by 140.2 kB (11%)
1.3 MB
1.2 MB
In fact, the total size of Bts-official.jp 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 12.3 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 4.4 kB, which is 27% 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 12.3 kB or 76% of the original size.
Potential reduce by 14.5 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. BTS OFFICIAL images are well optimized though.
Potential reduce by 83.6 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 83.6 kB or 55% of the original size.
Potential reduce by 29.8 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. Bts-official.jp needs all CSS files to be minified and compressed as it can save up to 29.8 kB or 82% of the original size.
Number of requests can be reduced by 26 (34%)
77
51
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BTS OFFICIAL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
bts-official.jp
699 ms
reset.css
328 ms
layout.css
326 ms
top.css
330 ms
jquery.bxslider.css
345 ms
photo.css
510 ms
jquery.min.js
30 ms
include.js
557 ms
photo.js
801 ms
orbit-1.2.3.css
480 ms
demo-style.css
484 ms
jquery.orbit-1.2.3.min.js
497 ms
analytics.js
35 ms
nav01_on.jpg
172 ms
nav02_off.jpg
171 ms
nav03_off.jpg
170 ms
nav04_off.jpg
183 ms
nav08_off.jpg
169 ms
logo_off.jpg
169 ms
nav05_off.jpg
344 ms
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344 ms
login.jpg
487 ms
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2183 ms
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bnr_2nd.jpg
656 ms
bannerdummy.jpg
661 ms
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504 ms
movietitle.jpg
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youtubeimg_151125.jpg
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newstitle.jpg
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copyright.jpg
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familysite.jpg
1090 ms
foot_youtube.jpg
1114 ms
foot_twitter.jpg
1242 ms
foot_korea.jpg
1245 ms
widgets.js
85 ms
user.cgi
1084 ms
loading.gif
1239 ms
footerline.jpg
1221 ms
collect
26 ms
like.php
201 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
131 ms
button.831500944bc3eb7ea5276ccdc3f71d2e.js
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syndication
116 ms
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tweet_button.6a78875565a912489e9aef879c881358.ja.html
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timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
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371 ms
jot.html
27 ms
right-arrow2.png
171 ms
left-arrow2.png
170 ms
bts-official.jp accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
bts-official.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
bts-official.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bts-official.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 Bts-official.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.
bts-official.jp
Open Graph description is not detected on the main page of BTS OFFICIAL. 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: