7.5 sec in total
589 ms
6.4 sec
447 ms
Welcome to ena.co.jp homepage info - get ready to check Ena best content for Japan right away, or after learning these important things about ena.co.jp
塾・進学塾ena公式サイトです。公立中高一貫校の合格率に定評がある進学塾で、首都圏・海外あわせて200以上の教室を展開。小学受験、中学受験、高校受験、大学受験をサポートします。
Visit ena.co.jpWe analyzed Ena.co.jp page load time and found that the first response time was 589 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
ena.co.jp performance score
name
value
score
weighting
Value8.4 s
0/100
10%
Value23.2 s
0/100
25%
Value14.1 s
1/100
10%
Value330 ms
75/100
30%
Value0.496
16/100
15%
Value26.5 s
0/100
10%
589 ms
300 ms
311 ms
476 ms
314 ms
Our browser made a total of 247 requests to load all elements on the main page. We found that 72% of them (179 requests) were addressed to the original Ena.co.jp, 10% (25 requests) were made to S3-ap-northeast-1.amazonaws.com and 8% (19 requests) were made to Maps.google.co.jp. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Ena.co.jp.
Page size can be reduced by 1.3 MB (14%)
9.0 MB
7.7 MB
In fact, the total size of Ena.co.jp main page is 9.0 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. 85% 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 7.6 MB which makes up the majority of the site volume.
Potential reduce by 160.1 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. 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 160.1 kB or 87% of the original size.
Potential reduce by 293.5 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. Ena images are well optimized though.
Potential reduce by 723.8 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 723.8 kB or 66% of the original size.
Potential reduce by 95.2 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. Ena.co.jp needs all CSS files to be minified and compressed as it can save up to 95.2 kB or 82% of the original size.
Number of requests can be reduced by 62 (29%)
216
154
The browser has sent 216 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ena. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
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ena.co.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
Form elements do not have associated labels
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>).
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.
ena.co.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
Page has valid source maps
ena.co.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ena.co.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 Ena.co.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.
ena.co.jp
Open Graph description is not detected on the main page of Ena. 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: