Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

hirokyou.jp

広島県教科書販売|教科書の販売、ネット通販

Page Load Speed

6 sec in total

First Response

1 sec

Resources Loaded

4.6 sec

Page Rendered

318 ms

hirokyou.jp screenshot

About Website

Welcome to hirokyou.jp homepage info - get ready to check Hirokyou best content for Japan right away, or after learning these important things about hirokyou.jp

広島教科書販売では、小学校・中学校・高校の教科書、教科書ガイド、入試過去問題集、教育書などの予約販売(過去問、教育小六法)、小学館教育技術(定期購読)のネット販売、通販を行っています。 教科書などの取扱商品は、海外発送も承っています。

Visit hirokyou.jp

Key Findings

We analyzed Hirokyou.jp page load time and found that the first response time was 1 sec and then it took 4.9 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

hirokyou.jp performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.137

80/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

hirokyou.jp

1027 ms

index.css

167 ms

jquery.min.js

21 ms

js

52 ms

jquery-1.10.2.min.js

736 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 9% of them (6 requests) were addressed to the original Hirokyou.jp, 60% (42 requests) were made to File001.shop-pro.jp and 9% (6 requests) were made to Hirokyou.co.jp. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source File001.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.3 kB (27%)

Content Size

522.7 kB

After Optimization

382.4 kB

In fact, the total size of Hirokyou.jp main page is 522.7 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. 30% of websites need less resources to load. Images take 318.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 56.0 kB

  • Original 69.1 kB
  • After minification 59.9 kB
  • After compression 13.1 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. This page needs HTML code to be minified as it can gain 9.1 kB, which is 13% 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 56.0 kB or 81% of the original size.

Image Optimization

-15%

Potential reduce by 48.8 kB

  • Original 318.4 kB
  • After minification 269.6 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, Hirokyou needs image optimization as it can save up to 48.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 3.0 kB

  • Original 96.2 kB
  • After minification 95.8 kB
  • After compression 93.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-84%

Potential reduce by 32.5 kB

  • Original 38.9 kB
  • After minification 32.9 kB
  • After compression 6.4 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. Hirokyou.jp needs all CSS files to be minified and compressed as it can save up to 32.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (43%)

Requests Now

69

After Optimization

39

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hirokyou. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hirokyou.jp accessibility score

61

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

hirokyou.jp best practices score

67

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

hirokyou.jp SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hirokyou.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 Hirokyou.jp main page’s claimed encoding is euc-jp. 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 data is detected on the main page of Hirokyou. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: