6 sec in total
1.3 sec
4.3 sec
477 ms
Visit surala.jp now to see the best up-to-date Surala content for Japan and also check out these interesting facts you probably never knew about surala.jp
家庭学習・自宅学習に最適な通信教材は【すらら】。自分のペースに合わせる新しい学習方式の「無学年式オンライン教材」です。各種メディアで話題沸騰の対話型アニメーション教材でPCやタブレットでゲーム感覚で楽しくわかりやすく学習。89.1%のお子様が継続、集中して勉強できます。
Visit surala.jpWe analyzed Surala.jp page load time and found that the first response time was 1.3 sec and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
surala.jp performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value15.0 s
0/100
25%
Value15.0 s
1/100
10%
Value650 ms
46/100
30%
Value0.001
100/100
15%
Value12.2 s
15/100
10%
1309 ms
513 ms
527 ms
354 ms
721 ms
Our browser made a total of 124 requests to load all elements on the main page. We found that 56% of them (70 requests) were addressed to the original Surala.jp, 18% (22 requests) were made to Static.xx.fbcdn.net and 9% (11 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Surala.jp.
Page size can be reduced by 591.4 kB (18%)
3.2 MB
2.6 MB
In fact, the total size of Surala.jp main page is 3.2 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. 75% 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 2.9 MB which makes up the majority of the site volume.
Potential reduce by 17.2 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 17.2 kB or 71% of the original size.
Potential reduce by 370.4 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. Obviously, Surala needs image optimization as it can save up to 370.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 169.0 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 169.0 kB or 60% of the original size.
Potential reduce by 34.9 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. Surala.jp needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 81% of the original size.
Number of requests can be reduced by 44 (36%)
121
77
The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Surala. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
surala.jp
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conversion.js
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533 ms
jquery-1.11.2.min.js
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surala.jp 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
Links do not have a discernible name
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.
surala.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
Issues were logged in the Issues panel in Chrome Devtools
surala.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 uses legible font sizes
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Surala.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 Surala.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.
surala.jp
Open Graph data is detected on the main page of Surala. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: