10.4 sec in total
514 ms
9.6 sec
376 ms
Visit lets-dance.jp now to see the best up-to-date Lets Dance content for Japan and also check out these interesting facts you probably never knew about lets-dance.jp
社交ダンス、ソシアルダンスの情報ポータルサイト『レッツダンス』では、全国の社交ダンススクールの検索やパートナー募集、スタッフ募集、講師による人気コラムなど、社交ダンスに関する情報をお届け致します!
Visit lets-dance.jpWe analyzed Lets-dance.jp page load time and found that the first response time was 514 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
lets-dance.jp performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value9.4 s
0/100
25%
Value12.8 s
2/100
10%
Value1,230 ms
20/100
30%
Value0.004
100/100
15%
Value16.9 s
5/100
10%
514 ms
1671 ms
350 ms
549 ms
368 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 75% of them (90 requests) were addressed to the original Lets-dance.jp, 4% (5 requests) were made to Pagead2.googlesyndication.com and 3% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Lets-dance.jp.
Page size can be reduced by 274.2 kB (35%)
775.1 kB
500.9 kB
In fact, the total size of Lets-dance.jp main page is 775.1 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. 55% of websites need less resources to load. Images take 443.6 kB which makes up the majority of the site volume.
Potential reduce by 117.1 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 42.9 kB, which is 32% 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 117.1 kB or 88% of the original size.
Potential reduce by 33.1 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. Lets Dance images are well optimized though.
Potential reduce by 70.0 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 70.0 kB or 53% of the original size.
Potential reduce by 54.0 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. Lets-dance.jp needs all CSS files to be minified and compressed as it can save up to 54.0 kB or 84% of the original size.
Number of requests can be reduced by 43 (37%)
116
73
The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lets Dance. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
lets-dance.jp
514 ms
www.lets-dance.jp
1671 ms
import.css
350 ms
css.js
549 ms
navi.js
368 ms
win_op.js
384 ms
site.js
879 ms
jquery-1.4.2.min.js
1485 ms
set.css
382 ms
common.css
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contents.css
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table.css
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bloc.css
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zrt_lookup.html
106 ms
show_ads_impl.js
67 ms
sdk.js
178 ms
widgets.js
37 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
55 ms
ads
275 ms
osd.js
14 ms
ads
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syndication
117 ms
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nessie_icon_tiamat_white.png
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timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
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timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
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lets-dance.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
Image elements do not have [alt] attributes
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.
lets-dance.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
Browser errors were logged to the console
lets-dance.jp 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
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 Lets-dance.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 Lets-dance.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.
lets-dance.jp
Open Graph data is detected on the main page of Lets Dance. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: