9 sec in total
800 ms
8.1 sec
161 ms
Click here to check amazing COLUMBIA content for Japan. Otherwise, check out these important facts you probably never knew about columbia.jp
日本コロムビアの公式サイト。アーティストのCD・DVD・グッズ等の最新ニュース、曲・動画の無料視聴・購入、ライブ・イベント・コンサートスケジュールやテレビ・ラジオへの出演情報を掲載。
Visit columbia.jpWe analyzed Columbia.jp page load time and found that the first response time was 800 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
columbia.jp performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value10.7 s
0/100
25%
Value8.5 s
18/100
10%
Value90 ms
98/100
30%
Value0.168
71/100
15%
Value15.5 s
7/100
10%
800 ms
312 ms
322 ms
331 ms
714 ms
Our browser made a total of 116 requests to load all elements on the main page. We found that all of those requests were addressed to Columbia.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Columbia.jp.
Page size can be reduced by 250.6 kB (21%)
1.2 MB
938.3 kB
In fact, the total size of Columbia.jp main page is 1.2 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. 25% of websites need less resources to load. Images take 879.8 kB which makes up the majority of the site volume.
Potential reduce by 51.3 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 7.3 kB, which is 11% 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 51.3 kB or 78% of the original size.
Potential reduce by 26.5 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. COLUMBIA images are well optimized though.
Potential reduce by 136.5 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 136.5 kB or 69% of the original size.
Potential reduce by 36.3 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. Columbia.jp needs all CSS files to be minified and compressed as it can save up to 36.3 kB or 78% of the original size.
Number of requests can be reduced by 31 (27%)
115
84
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COLUMBIA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
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columbia.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.
columbia.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
columbia.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
Tap targets are not sized appropriately
JA
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Columbia.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 Columbia.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.
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columbia.jp
Open Graph description is not detected on the main page of COLUMBIA. 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: