13.7 sec in total
747 ms
12.1 sec
812 ms
Welcome to jsda.info homepage info - get ready to check Jsda best content for Japan right away, or after learning these important things about jsda.info
日本ストリートダンス協会はダンサーのために設立された任意団体です。技術レベル検定などを実施し、様々な角度からダンサーをサポート。公認ダンススタジオでレベルアップ!
Visit jsda.infoWe analyzed Jsda.info page load time and found that the first response time was 747 ms and then it took 12.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
jsda.info performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value4.1 s
48/100
25%
Value8.9 s
15/100
10%
Value4,460 ms
0/100
30%
Value0.113
86/100
15%
Value13.6 s
11/100
10%
747 ms
337 ms
503 ms
351 ms
352 ms
Our browser made a total of 200 requests to load all elements on the main page. We found that 45% of them (90 requests) were addressed to the original Jsda.info, 14% (27 requests) were made to Static.xx.fbcdn.net and 10% (19 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Jsda.info.
Page size can be reduced by 512.0 kB (20%)
2.6 MB
2.1 MB
In fact, the total size of Jsda.info main page is 2.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 26.4 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 6.8 kB, which is 20% 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 26.4 kB or 79% of the original size.
Potential reduce by 60.9 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. Jsda images are well optimized though.
Potential reduce by 184.5 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 184.5 kB or 55% of the original size.
Potential reduce by 240.2 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. Jsda.info needs all CSS files to be minified and compressed as it can save up to 240.2 kB or 83% of the original size.
Number of requests can be reduced by 82 (43%)
189
107
The browser has sent 189 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
jsda.info
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jsda.info 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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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 valid value for its [lang] attribute.
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
jsda.info 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
jsda.info 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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsda.info 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 Jsda.info 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.
jsda.info
Open Graph data is detected on the main page of Jsda. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: