Tools & Wizards About Us
kddi.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

kddi.com

KDDI株式会社――Tomorrow, Together

Page Load Speed

7.4 sec in total

First Response

490 ms

Resources Loaded

6.2 sec

Page Rendered

786 ms

kddi.com screenshot

About Website

Click here to check amazing Kddi content for Japan. Otherwise, check out these important facts you probably never knew about kddi.com

KDDIの公式企業サイトです。KDDIの企業情報、ブランド、個人向け事業、法人向け事業、サステナビリティ、投資家情報、採用情報などをご紹介します。

Visit kddi.com

Key Findings

We analyzed Kddi.com page load time and found that the first response time was 490 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kddi.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.404

25/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

www.kddi.com

490 ms

www.kddi.com

1193 ms

css

33 ms

layout.css

805 ms

top.css

976 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 83% of them (78 requests) were addressed to the original Kddi.com, 4% (4 requests) were made to Googletagmanager.com and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Kddi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.8 kB (12%)

Content Size

3.1 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kddi.com main page is 3.1 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. 65% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 122.4 kB

  • Original 174.8 kB
  • After minification 170.1 kB
  • After compression 52.4 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 122.4 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 2.7 kB

  • Original 2.5 MB
  • After minification 2.5 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. Kddi images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 150.3 kB

  • Original 310.3 kB
  • After minification 295.4 kB
  • After compression 160.0 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 150.3 kB or 48% of the original size.

CSS Optimization

-89%

Potential reduce by 107.5 kB

  • Original 120.8 kB
  • After minification 93.1 kB
  • After compression 13.4 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. Kddi.com needs all CSS files to be minified and compressed as it can save up to 107.5 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (43%)

Requests Now

91

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kddi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.kddi.com

www.kddi.com

490 ms

www.kddi.com

www.kddi.com

1193 ms

css

css

33 ms

layout.css

layout.css

805 ms

top.css

top.css

976 ms

emg.css

emg.css

486 ms

slick.css

slick.css

511 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

1180 ms

layout.js

layout.js

647 ms

slick.min.js

slick.min.js

843 ms

jquery.matchHeight.js

jquery.matchHeight.js

687 ms

jsonp_common_2024.js

jsonp_common_2024.js

808 ms

top2024.js

top2024.js

1019 ms

rssdisplay.js

rssdisplay.js

963 ms

sync_suggest.js

sync_suggest.js

828 ms

img_ip.gif

img_ip.gif

831 ms

logo_kddi_01.gif

logo_kddi_01.gif

178 ms

icon_link_b.png

icon_link_b.png

172 ms

icon_blank_b.png

icon_blank_b.png

172 ms

icon_search_w.png

icon_search_w.png

172 ms

icon_search_g.png

icon_search_g.png

178 ms

icon_blank-g.png

icon_blank-g.png

171 ms

icon_arrow_r.png

icon_arrow_r.png

376 ms

icon_blank-r.png

icon_blank-r.png

374 ms

icon_smartphone.png

icon_smartphone.png

376 ms

icon_blank-lb.png

icon_blank-lb.png

374 ms

icon_featurephone.png

icon_featurephone.png

378 ms

h1.png

h1.png

376 ms

h1-sp.png

h1-sp.png

551 ms

icon_arrow-b.png

icon_arrow-b.png

551 ms

img_kdditobira_09.jpg

img_kdditobira_09.jpg

830 ms

img_kdditobira_09-sp.jpg

img_kdditobira_09-sp.jpg

686 ms

img_kdditobira_03.jpg

img_kdditobira_03.jpg

861 ms

img_kdditobira_03-sp.jpg

img_kdditobira_03-sp.jpg

697 ms

img_expo2025.jpg

img_expo2025.jpg

978 ms

img_expo2025-sp.jpg

img_expo2025-sp.jpg

660 ms

img_kdditobira_08.jpg

img_kdditobira_08.jpg

1142 ms

img_kdditobira_08-sp.jpg

img_kdditobira_08-sp.jpg

1018 ms

icon_arrow-circle.png

icon_arrow-circle.png

874 ms

img_vision01-1005.jpg

img_vision01-1005.jpg

1319 ms

icon_blank-b.png

icon_blank-b.png

1039 ms

img_vision02-1005.jpg

img_vision02-1005.jpg

1722 ms

icon_arrow-w.png

icon_arrow-w.png

1139 ms

img_vision04.jpg

img_vision04.jpg

1194 ms

img_vision05.jpg

img_vision05.jpg

1386 ms

img_vision06.jpg

img_vision06.jpg

1787 ms

icon_blank-w.png

icon_blank-w.png

1312 ms

icon_rsspng.png

icon_rsspng.png

1361 ms

icon_x.png

icon_x.png

1465 ms

icon_fb.png

icon_fb.png

1487 ms

img_company01.jpg

img_company01.jpg

1868 ms

img_company01-sp.jpg

img_company01-sp.jpg

1493 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj35TS1g.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj35TS1g.ttf

59 ms

gtm.js

gtm.js

106 ms

img_company02.jpg

img_company02.jpg

1628 ms

img_company02-sp.jpg

img_company02-sp.jpg

1492 ms

img_company04.jpg

img_company04.jpg

1751 ms

img_company04-sp.jpg

img_company04-sp.jpg

1661 ms

img_company05.jpg

img_company05.jpg

1895 ms

img_company05-sp.jpg

img_company05-sp.jpg

1777 ms

gtm.js

gtm.js

45 ms

gtm.js

gtm.js

88 ms

iframe_api

iframe_api

64 ms

img_company06.jpg

img_company06.jpg

1596 ms

img_company06-sp.jpg

img_company06-sp.jpg

1628 ms

img_service_consumer1.png

img_service_consumer1.png

1667 ms

img_service_consumer2.png

img_service_consumer2.png

1724 ms

img_service_consumer3.png

img_service_consumer3.png

1738 ms

img_service_consumer24-g.png

img_service_consumer24-g.png

1757 ms

ytag.js

ytag.js

915 ms

www-widgetapi.js

www-widgetapi.js

24 ms

js

js

33 ms

img_service_consumer25-g.png

img_service_consumer25-g.png

1620 ms

img_service_consumer26-g.png

img_service_consumer26-g.png

1656 ms

img_service_consumer27-g.png

img_service_consumer27-g.png

1589 ms

img_service_consumer28-g.png

img_service_consumer28-g.png

1593 ms

img_service_consumer29-g.png

img_service_consumer29-g.png

1587 ms

img_service_consumer30-g.png

img_service_consumer30-g.png

1474 ms

img_disaster01.jpg

img_disaster01.jpg

2113 ms

img-exp1.jpg

img-exp1.jpg

1666 ms

img-exp1-sp.jpg

img-exp1-sp.jpg

1448 ms

img-exp2.jpg

img-exp2.jpg

1607 ms

img-exp2-sp.jpg

img-exp2-sp.jpg

1404 ms

img-exp3.jpg

img-exp3.jpg

1317 ms

img-exp3-sp.jpg

img-exp3-sp.jpg

1461 ms

img-exp4.jpg

img-exp4.jpg

1411 ms

img-exp4-sp.jpg

img-exp4-sp.jpg

1303 ms

icon_blank.png

icon_blank.png

1389 ms

icon_page-top.png

icon_page-top.png

1411 ms

analytics.js

analytics.js

8 ms

collect

collect

19 ms

collect

collect

21 ms

collect

collect

29 ms

ga-audiences

ga-audiences

27 ms

Accessibility Review

kddi.com accessibility score

82

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

kddi.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

SEO Factors

kddi.com SEO score

82

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kddi.com 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 Kddi.com 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

kddi.com

Open Graph data is detected on the main page of Kddi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: