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Report Summary

About Website

Click here to check amazing Zenkyo content for Japan. Otherwise, check out these important facts you probably never knew about zenkyo.biz

全教ホームページは、子どもと教育・教職員にかかわる情報、全教のとりくみを発信し、憲法を生かす教育、くらし、平和や民主主義の前進をめざす共同のとりくみのためのサイトです。

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name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

zenkyo.biz

1179 ms

thickbox.css

530 ms

main.css

535 ms

wysiwyg.js

1050 ms

jquery.js

1243 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 95% of them (57 requests) were addressed to the original Zenkyo.biz, 3% (2 requests) were made to Google.com and 2% (1 request) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Zenkyo.biz.

Content Size

1.1 MB

After Optimization

932.6 kB

In fact, the total size of Zenkyo.biz main page is 1.1 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. 15% of websites need less resources to load. Images take 920.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.0 kB

Original 29.5 kB
After minification 24.7 kB
After compression 5.5 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 4.8 kB, which is 16% 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 24.0 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 18.0 kB

Original 920.6 kB
After minification 902.6 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. Zenkyo images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 103.5 kB

Original 124.8 kB
After minification 76.2 kB
After compression 21.3 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 103.5 kB or 83% of the original size.

CSS Optimization

-85%

Potential reduce by 18.1 kB

Original 21.4 kB
After minification 11.2 kB
After compression 3.3 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. Zenkyo.biz needs all CSS files to be minified and compressed as it can save up to 18.1 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenkyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Page is blocked from indexing

Language and Encoding

Language Detected

N/A
Language Claimed

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zenkyo.biz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Zenkyo.biz 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.

Social Sharing Optimization

zenkyo.biz

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

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)