Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    86% of websites

  • 91

    SEO

    Google-friendlier than
    76% of websites

goken-net.co.jp

語学書専門出版社:語研のWebサイト(TOP)

Page Load Speed

5.8 sec in total

First Response

787 ms

Resources Loaded

4.8 sec

Page Rendered

242 ms

goken-net.co.jp screenshot

About Website

Welcome to goken-net.co.jp homepage info - get ready to check Goken Net best content for Japan right away, or after learning these important things about goken-net.co.jp

世界22の国と地域のことばを扱う語学書専門出版社 語研のオンラインカタログ。Webで読める「はじめに」「目次」「本書の使い方」など。ためし読み(PDF)や無料音声教材ダウンロードも充実

Visit goken-net.co.jp

Key Findings

We analyzed Goken-net.co.jp page load time and found that the first response time was 787 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

goken-net.co.jp performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

goken-net.co.jp

787 ms

common6.css

371 ms

bookmark_button.js

662 ms

analytics.js

48 ms

Twitter_logo_white.png

717 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 87% of them (33 requests) were addressed to the original Goken-net.co.jp, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to B.st-hatena.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Goken-net.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.9 kB (20%)

Content Size

454.7 kB

After Optimization

362.9 kB

In fact, the total size of Goken-net.co.jp main page is 454.7 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. 20% of websites need less resources to load. Images take 370.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.8 kB

  • Original 19.0 kB
  • After minification 19.0 kB
  • After compression 4.2 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 14.8 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 41.5 kB

  • Original 370.9 kB
  • After minification 329.4 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, Goken Net needs image optimization as it can save up to 41.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-48%

Potential reduce by 24.4 kB

  • Original 51.1 kB
  • After minification 41.6 kB
  • After compression 26.7 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 24.4 kB or 48% of the original size.

CSS Optimization

-81%

Potential reduce by 11.2 kB

  • Original 13.8 kB
  • After minification 12.9 kB
  • After compression 2.6 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. Goken-net.co.jp needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

37

After Optimization

37

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Goken Net. According to our analytics all requests are already optimized.

Accessibility Review

goken-net.co.jp accessibility score

43

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

[id] attributes on active, focusable elements are not unique

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

goken-net.co.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

goken-net.co.jp SEO score

91

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

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Goken-net.co.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 Goken-net.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 Goken Net. 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: