Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

gdl-j.co.jp

人事コンサルティング・CUBIC適性検査の株式会社ジィ・ディー・エル(GDL)

Page Load Speed

4.4 sec in total

First Response

602 ms

Resources Loaded

3.5 sec

Page Rendered

225 ms

gdl-j.co.jp screenshot

About Website

Visit gdl-j.co.jp now to see the best up-to-date GDL J content for Japan and also check out these interesting facts you probably never knew about gdl-j.co.jp

株式会社ジィ・ディー・エル(GDL)では、効果的な目標管理・人事考課・人材教育支援ができるよう、人事コンサルタント・ファシリテーター・コーチの育成・CUBIC適性検査と、コンサルティング手法やソフトウェアの改良、革新を重ねています

Visit gdl-j.co.jp

Key Findings

We analyzed Gdl-j.co.jp page load time and found that the first response time was 602 ms and then it took 3.8 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

gdl-j.co.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value2,480 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

gdl-j.co.jp

602 ms

style.css

626 ms

font.css.php

318 ms

header_search.js

336 ms

bsn.Crossfader.js

342 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 79% of them (71 requests) were addressed to the original Gdl-j.co.jp, 8% (7 requests) were made to Rs.adapf.com and 2% (2 requests) were made to Sitest.jp. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Sitest.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.3 kB (26%)

Content Size

919.9 kB

After Optimization

679.6 kB

In fact, the total size of Gdl-j.co.jp main page is 919.9 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 752.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 21.1 kB

  • Original 28.7 kB
  • After minification 27.3 kB
  • After compression 7.7 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 21.1 kB or 73% of the original size.

Image Optimization

-18%

Potential reduce by 134.7 kB

  • Original 752.7 kB
  • After minification 618.0 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, GDL J needs image optimization as it can save up to 134.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 41.7 kB

  • Original 89.4 kB
  • After minification 88.4 kB
  • After compression 47.8 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 41.7 kB or 47% of the original size.

CSS Optimization

-87%

Potential reduce by 42.8 kB

  • Original 49.0 kB
  • After minification 39.8 kB
  • After compression 6.2 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. Gdl-j.co.jp needs all CSS files to be minified and compressed as it can save up to 42.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (28%)

Requests Now

87

After Optimization

63

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GDL J. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

gdl-j.co.jp accessibility score

91

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

Best Practices

gdl-j.co.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

gdl-j.co.jp SEO score

100

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

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 Gdl-j.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 Gdl-j.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 GDL J. 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: