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dai.co.jp screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dai.co.jp

株式会社Dai｜Dai Corporation

Page Load Speed

4.9 sec in total

First Response

336 ms

Resources Loaded

4 sec

Page Rendered

528 ms

dai.co.jp screenshot

About Website

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

はたらくを変える「コーラルワーク」

Visit dai.co.jp

Key Findings

We analyzed Dai.co.jp page load time and found that the first response time was 336 ms and then it took 4.5 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

dai.co.jp performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,530 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

dai.co.jp

336 ms

dai.co.jp

925 ms

gtm.js

59 ms

js

125 ms

block.css

366 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 82% of them (75 requests) were addressed to the original Dai.co.jp, 5% (5 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 (1.8 sec) belongs to the original domain Dai.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.2 kB (9%)

Content Size

2.4 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dai.co.jp main page is 2.4 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 126.6 kB

  • Original 162.7 kB
  • After minification 156.5 kB
  • After compression 36.1 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 126.6 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 77.5 kB

  • Original 1.3 MB
  • After minification 1.2 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. Dai images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 3.4 kB

  • Original 918.8 kB
  • After minification 918.8 kB
  • After compression 915.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 2.8 kB

  • Original 32.8 kB
  • After minification 32.7 kB
  • After compression 30.0 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. Dai.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 66 (76%)

Requests Now

87

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dai.co.jp

dai.co.jp

336 ms

dai.co.jp

dai.co.jp

925 ms

gtm.js

gtm.js

59 ms

js

js

125 ms

block.css

block.css

366 ms

style.min.css

style.min.css

704 ms

style.css

style.css

532 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

530 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

532 ms

wp-polyfill.min.js

wp-polyfill.min.js

711 ms

autop.min.js

autop.min.js

529 ms

blob.min.js

blob.min.js

694 ms

block-serialization-default-parser.min.js

block-serialization-default-parser.min.js

695 ms

react.min.js

react.min.js

695 ms

hooks.min.js

hooks.min.js

697 ms

deprecated.min.js

deprecated.min.js

858 ms

dom.min.js

dom.min.js

860 ms

react-dom.min.js

react-dom.min.js

870 ms

escape-html.min.js

escape-html.min.js

863 ms

element.min.js

element.min.js

864 ms

is-shallow-equal.min.js

is-shallow-equal.min.js

865 ms

i18n.min.js

i18n.min.js

1023 ms

keycodes.min.js

keycodes.min.js

1025 ms

priority-queue.min.js

priority-queue.min.js

1030 ms

compose.min.js

compose.min.js

1031 ms

private-apis.min.js

private-apis.min.js

1028 ms

redux-routine.min.js

redux-routine.min.js

1041 ms

data.min.js

data.min.js

1188 ms

html-entities.min.js

html-entities.min.js

1188 ms

shortcode.min.js

shortcode.min.js

1191 ms

blocks.min.js

blocks.min.js

1536 ms

dom-ready.min.js

dom-ready.min.js

1195 ms

a11y.min.js

a11y.min.js

1206 ms

url.min.js

url.min.js

1352 ms

api-fetch.min.js

api-fetch.min.js

1352 ms

moment.min.js

moment.min.js

1365 ms

date.min.js

date.min.js

1545 ms

js

js

65 ms

analytics.js

analytics.js

163 ms

bi.js

bi.js

826 ms

js

js

161 ms

primitives.min.js

primitives.min.js

1209 ms

rich-text.min.js

rich-text.min.js

1357 ms

js

js

109 ms

style.min.css

style.min.css

1252 ms

collect

collect

45 ms

collect

collect

44 ms

warning.min.js

warning.min.js

1176 ms

collect

collect

13 ms

collect

collect

19 ms

ga-audiences

ga-audiences

75 ms

ga-audiences

ga-audiences

72 ms

components.min.js

components.min.js

1524 ms

keyboard-shortcuts.min.js

keyboard-shortcuts.min.js

1164 ms

commands.min.js

commands.min.js

1169 ms

notices.min.js

notices.min.js

1172 ms

preferences-persistence.min.js

preferences-persistence.min.js

1023 ms

preferences.min.js

preferences.min.js

1022 ms

style-engine.min.js

style-engine.min.js

1163 ms

token-list.min.js

token-list.min.js

1166 ms

wordcount.min.js

wordcount.min.js

1158 ms

block-editor.min.js

block-editor.min.js

1670 ms

core-data.min.js

core-data.min.js

1022 ms

media-utils.min.js

media-utils.min.js

1165 ms

patterns.min.js

patterns.min.js

1164 ms

server-side-render.min.js

server-side-render.min.js

1166 ms

editor.min.js

editor.min.js

1196 ms

block.js

block.js

1314 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

1173 ms

common.js

common.js

1168 ms

kv-sp.png

kv-sp.png

1190 ms

thumb-service1.png

thumb-service1.png

1525 ms

thumb-service2.png

thumb-service2.png

1822 ms

workstyle.png

workstyle.png

1316 ms

coralwork.png

coralwork.png

1172 ms

thumb-about.png

thumb-about.png

1367 ms

txt-hiring-sp.png

txt-hiring-sp.png

1330 ms

logo-footer.png

logo-footer.png

1330 ms

supportBanner1.png

supportBanner1.png

1350 ms

supportBanner2.png

supportBanner2.png

1335 ms

css2

css2

29 ms

bar-header.png

bar-header.png

234 ms

logo.png

logo.png

254 ms

icn-secHead-l.png

icn-secHead-l.png

254 ms

icn-secHead-r.png

icn-secHead-r.png

255 ms

icn-arrow.png

icn-arrow.png

383 ms

icn-aboutRelation.png

icn-aboutRelation.png

388 ms

thumb-hiring-l.png

thumb-hiring-l.png

417 ms

thumb-hiring-r.png

thumb-hiring-r.png

420 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

80 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

175 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

193 ms

Accessibility Review

dai.co.jp accessibility score

100

Accessibility Issues

Best Practices

dai.co.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dai.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 Dai.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 Dai.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

dai.co.jp

Open Graph description is not detected on the main page of Dai. 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: