Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    29% of websites

  • 67

    SEO

    Google-friendlier than
    35% of websites

acsa.jp

公益社団法人全国保育サービス協会

Page Load Speed

6.5 sec in total

First Response

796 ms

Resources Loaded

5.5 sec

Page Rendered

269 ms

acsa.jp screenshot

About Website

Click here to check amazing Acsa content for Japan. Otherwise, check out these important facts you probably never knew about acsa.jp

安心と信頼のネットワーク。公益社団法人全国保育サービス協会。

Visit acsa.jp

Key Findings

We analyzed Acsa.jp page load time and found that the first response time was 796 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

acsa.jp performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

acsa.jp

796 ms

acsa.js

351 ms

google-analytics.js

359 ms

acsa.css

550 ms

jsapi

20 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 87% of them (47 requests) were addressed to the original Acsa.jp, 9% (5 requests) were made to Google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Acsa.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.8 kB (30%)

Content Size

239.2 kB

After Optimization

167.4 kB

In fact, the total size of Acsa.jp main page is 239.2 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. Images take 159.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 29.1 kB

  • Original 35.7 kB
  • After minification 28.3 kB
  • After compression 6.6 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 7.4 kB, which is 21% 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 29.1 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 20.3 kB

  • Original 159.7 kB
  • After minification 139.4 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, Acsa needs image optimization as it can save up to 20.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-20%

Potential reduce by 4.8 kB

  • Original 23.4 kB
  • After minification 22.1 kB
  • After compression 18.7 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 4.8 kB or 20% of the original size.

CSS Optimization

-87%

Potential reduce by 17.6 kB

  • Original 20.3 kB
  • After minification 18.2 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. Acsa.jp needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (23%)

Requests Now

52

After Optimization

40

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Acsa. 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 Review

acsa.jp accessibility score

59

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

acsa.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

acsa.jp SEO score

67

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Acsa.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Acsa.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

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