Report Summary

  • 40

    Performance

    Renders faster than
    60% 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

  • 88

    SEO

    Google-friendlier than
    66% of websites

colopl.co.jp

株式会社コロプラ

Page Load Speed

7.3 sec in total

First Response

1.6 sec

Resources Loaded

5.3 sec

Page Rendered

522 ms

colopl.co.jp screenshot

About Website

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

株式会社コロプラのコーポレートサイトです。コロプラは'Entertainment in Real Life'をMissionとして掲げ、スマートフォン向けアプリの拡充に注力するとともに、人々の生活のほぼ全てである「日常」をより楽しく、より素晴らしくするエンターテインメントを提供してまいります。

Visit colopl.co.jp

Key Findings

We analyzed Colopl.co.jp page load time and found that the first response time was 1.6 sec and then it took 5.8 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

colopl.co.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

Network Requests Diagram

colopl.co.jp

1556 ms

base.css

346 ms

layout.css

347 ms

modules.css

521 ms

jquery.js

872 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 58% of them (65 requests) were addressed to the original Colopl.co.jp, 30% (34 requests) were made to I.colopl.co.jp and 9% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Colopl.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.5 kB (10%)

Content Size

2.5 MB

After Optimization

2.2 MB

In fact, the total size of Colopl.co.jp main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 23.7 kB

  • Original 31.2 kB
  • After minification 29.1 kB
  • After compression 7.5 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 23.7 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 31.0 kB

  • Original 2.2 MB
  • After minification 2.1 MB

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. Colopl images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 110.9 kB

  • Original 170.6 kB
  • After minification 141.6 kB
  • After compression 59.6 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 110.9 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 70.9 kB

  • Original 82.5 kB
  • After minification 68.5 kB
  • After compression 11.7 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. Colopl.co.jp needs all CSS files to be minified and compressed as it can save up to 70.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (44%)

Requests Now

112

After Optimization

63

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colopl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

colopl.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

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

Best Practices

colopl.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

colopl.co.jp SEO score

88

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 doesn't use 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 Colopl.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 Colopl.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 Colopl. 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: