Access gakugei.co.jp. がくげいタブレット学習・教材小学生・中学生

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

gakugei.co.jp

900 ms

javaapps.js

350 ms

rollover.js

360 ms

banner_img.js

557 ms

AC_RunActiveContent.js

556 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 98% of them (126 requests) were addressed to the original Gakugei.co.jp, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Gakugei.co.jp.

Content Size

110.6 kB

After Optimization

39.4 kB

In fact, the total size of Gakugei.co.jp main page is 110.6 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. 25% of websites need less resources to load. Javascripts take 48.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.9 kB

Original 33.3 kB
After minification 31.3 kB
After compression 7.4 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 25.9 kB or 78% of the original size.

Image Optimization

-31%

Potential reduce by 3.5 kB

Original 11.0 kB
After minification 7.6 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, Gakugei needs image optimization as it can save up to 3.5 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 26.7 kB

Original 48.5 kB
After minification 42.4 kB
After compression 21.7 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 26.7 kB or 55% of the original size.

CSS Optimization

-85%

Potential reduce by 15.1 kB

Original 17.8 kB
After minification 10.2 kB
After compression 2.7 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. Gakugei.co.jp needs all CSS files to be minified and compressed as it can save up to 15.1 kB or 85% of the original size.

Requests Now

127

After Optimization

102

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gakugei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

JA
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gakugei.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 Gakugei.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

gakugei.co.jp

Open Graph description is not detected on the main page of Gakugei. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

がくげい タブレット学習・教材 小学生・中学生

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

gakugei.co.jp

javaapps.js

rollover.js

banner_img.js

AC_RunActiveContent.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

gakugei.co.jp

javaapps.js

rollover.js

banner_img.js

AC_RunActiveContent.js

common_new.css

top_new.css

banner_top.js

banner_img_action.js

white1x2px.gif

title_gakugei.gif

nav_soft.gif

nav_school.gif

nav_support.gif

nav_store.gif

nav_map.gif

back.gif

head_back03.gif

head_back01.gif

nav_btn01.gif

topbnr_02_back.gif

topbnr_02_l.gif

topbnr_02_l2.png

topbnr_02_r2.png

topbnr_02_r.gif

sf_storeh_back1.gif

sf_h_back1.gif

list_img01.gif

bnr_studypark.gif

bnr_bcn2015.gif

icon_mail.gif

yahookids.gif

kyouryoku.gif

pm85.gif

winstore.gif

top_win10.gif

rank.gif

2014rnd2_m.gif

touch_m.gif

2014rnd3_m.gif

2014rnd1_m.gif

2014rnd4_m.gif

2014rnd5_m.gif

がくげいタブレット学習・教材小学生・中学生