9.7 sec in total
597 ms
7.1 sec
2 sec
Welcome to daiichigakuin.ed.jp homepage info - get ready to check Daiichigakuin best content for Japan right away, or after learning these important things about daiichigakuin.ed.jp
通信制高校(単位制)なら第一学院高等学校!全国に56キャンパス(2024年4月時点)あるから自分のペースで通えます。平成24年4月、「第一高等学院グループ」の「ウィザス高等学校」「ウィザス ナビ高等学校」から校名を変更しました。高校進学・転校・編入学の相談会を随時実施中!生徒1人1人と向き合う「1/1の教育」で生徒の自信と意欲を養います。生徒第一・・・だから第一学院高等学校。
Visit daiichigakuin.ed.jpWe analyzed Daiichigakuin.ed.jp page load time and found that the first response time was 597 ms and then it took 9.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
daiichigakuin.ed.jp performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value20.8 s
0/100
25%
Value29.2 s
0/100
10%
Value7,310 ms
0/100
30%
Value0.107
88/100
15%
Value56.2 s
0/100
10%
597 ms
1464 ms
545 ms
1114 ms
545 ms
Our browser made a total of 142 requests to load all elements on the main page. We found that 68% of them (96 requests) were addressed to the original Daiichigakuin.ed.jp, 8% (12 requests) were made to Youtube.com and 4% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Daiichigakuin.ed.jp.
Page size can be reduced by 1.3 MB (14%)
9.3 MB
8.0 MB
In fact, the total size of Daiichigakuin.ed.jp main page is 9.3 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 8.2 MB which makes up the majority of the site volume.
Potential reduce by 98.3 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 32.4 kB, which is 28% 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 98.3 kB or 86% of the original size.
Potential reduce by 748.5 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. Daiichigakuin images are well optimized though.
Potential reduce by 276.2 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 276.2 kB or 39% of the original size.
Potential reduce by 186.1 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. Daiichigakuin.ed.jp needs all CSS files to be minified and compressed as it can save up to 186.1 kB or 70% of the original size.
Number of requests can be reduced by 40 (31%)
127
87
The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Daiichigakuin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
daiichigakuin.ed.jp
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daiichigakuin.ed.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-*] attributes do not match their roles
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA toggle fields do not have accessible names
[aria-*] attributes do not have valid values
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
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.
daiichigakuin.ed.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
daiichigakuin.ed.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 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 Daiichigakuin.ed.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 Daiichigakuin.ed.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.
daiichigakuin.ed.jp
Open Graph data is detected on the main page of Daiichigakuin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: