Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

syobun.co.jp

ホーム|尚文出版

Page Load Speed

3.9 sec in total

First Response

745 ms

Resources Loaded

2.9 sec

Page Rendered

227 ms

syobun.co.jp screenshot

About Website

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

尚文出版の公式サイト。高等学校国語の副読本・副教材を出版しています。

Visit syobun.co.jp

Key Findings

We analyzed Syobun.co.jp page load time and found that the first response time was 745 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

syobun.co.jp performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

65/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

syobun.co.jp

745 ms

style.css

365 ms

header_left.gif

214 ms

header_right_top.gif

205 ms

menu_top_ura.jpg

348 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that all of those requests were addressed to Syobun.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Syobun.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.3 kB (9%)

Content Size

288.5 kB

After Optimization

261.2 kB

In fact, the total size of Syobun.co.jp main page is 288.5 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. 20% of websites need less resources to load. Images take 271.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 11.3 kB

  • Original 14.5 kB
  • After minification 13.0 kB
  • After compression 3.3 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 11.3 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 14.1 kB

  • Original 271.4 kB
  • After minification 257.3 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. Syobun images are well optimized though.

CSS Optimization

-74%

Potential reduce by 1.9 kB

  • Original 2.6 kB
  • After minification 2.1 kB
  • After compression 683 B

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. Syobun.co.jp needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

36

After Optimization

36

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Syobun. According to our analytics all requests are already optimized.

Accessibility Review

syobun.co.jp accessibility score

77

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

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

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

syobun.co.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

syobun.co.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 Syobun.co.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 Syobun.co.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 Syobun. 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: