19.8 sec in total
6 sec
13.1 sec
764 ms
Click here to check amazing Itschool Best content for Japan. Otherwise, check out these important facts you probably never knew about itschool-best.jp
ITスクールは、東京・埼玉・千葉・神奈川・茨城に出張する講師派遣型のパソコン(pc)教室です。初心者から上級者までレベル別に、Officeソフト・会計ソフト(弥生会計)・WEBデザイン・システム・動画編集・資格取得対策などに至るまで短期(1日~)で学べます。経験豊富な専門のインストラクターを企業・官公庁・団体様に派遣し、新入社員研修、管理職研修など各種研修を開催しています。
Visit itschool-best.jpWe analyzed Itschool-best.jp page load time and found that the first response time was 6 sec and then it took 13.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
itschool-best.jp performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value10.0 s
0/100
25%
Value19.5 s
0/100
10%
Value440 ms
64/100
30%
Value0.408
24/100
15%
Value20.0 s
2/100
10%
5975 ms
345 ms
581 ms
18 ms
357 ms
Our browser made a total of 196 requests to load all elements on the main page. We found that 50% of them (98 requests) were addressed to the original Itschool-best.jp, 15% (30 requests) were made to Static.xx.fbcdn.net and 9% (17 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Itschool-best.jp.
Page size can be reduced by 2.1 MB (38%)
5.5 MB
3.4 MB
In fact, the total size of Itschool-best.jp main page is 5.5 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 2.9 MB which makes up the majority of the site volume.
Potential reduce by 97.1 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 97.1 kB or 77% of the original size.
Potential reduce by 104.3 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. Itschool Best images are well optimized though.
Potential reduce by 1.2 MB
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 1.2 MB or 71% of the original size.
Potential reduce by 734.0 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. Itschool-best.jp needs all CSS files to be minified and compressed as it can save up to 734.0 kB or 88% of the original size.
Number of requests can be reduced by 109 (59%)
186
77
The browser has sent 186 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itschool Best. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 68 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.
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itschool-best.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
itschool-best.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
itschool-best.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 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 Itschool-best.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 Itschool-best.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.
itschool-best.jp
Open Graph description is not detected on the main page of Itschool Best. 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: