Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

ebpaj.jp

デジタル出版者連盟(旧・日本電子書籍出版社協会)

Page Load Speed

5.1 sec in total

First Response

1.4 sec

Resources Loaded

3.3 sec

Page Rendered

315 ms

ebpaj.jp screenshot

About Website

Welcome to ebpaj.jp homepage info - get ready to check Ebpaj best content right away, or after learning these important things about ebpaj.jp

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Key Findings

We analyzed Ebpaj.jp page load time and found that the first response time was 1.4 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ebpaj.jp performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value120 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

ebpaj.jp

1428 ms

theme-my-login.css

324 ms

styles.css

776 ms

jquery.min.js

31 ms

header_bg.png

865 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 97% of them (30 requests) were addressed to the original Ebpaj.jp, 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ebpaj.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.4 kB (19%)

Content Size

378.8 kB

After Optimization

305.5 kB

In fact, the total size of Ebpaj.jp main page is 378.8 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. 15% of websites need less resources to load. Images take 349.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.0 kB

  • Original 13.7 kB
  • After minification 13.5 kB
  • After compression 3.7 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 10.0 kB or 73% of the original size.

Image Optimization

-14%

Potential reduce by 50.3 kB

  • Original 349.5 kB
  • After minification 299.3 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. Obviously, Ebpaj needs image optimization as it can save up to 50.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-84%

Potential reduce by 13.1 kB

  • Original 15.6 kB
  • After minification 12.5 kB
  • After compression 2.5 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. Ebpaj.jp needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (20%)

Requests Now

30

After Optimization

24

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ebpaj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

ebpaj.jp accessibility score

92

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

ebpaj.jp best practices score

75

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

SEO Factors

ebpaj.jp SEO score

91

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ebpaj.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 Ebpaj.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.

Social Sharing Optimization

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