Tools & Wizards About Us
arc-eco.co.jp screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

arc-eco.co.jp

【北海道】株式会社アーク｜北海道を代表する再生可能エネルギーのリーディングカンパニーとなり、脱炭素社会実現へ貢献する企業になる

Page Load Speed

11.5 sec in total

First Response

2 sec

Resources Loaded

8.2 sec

Page Rendered

1.2 sec

arc-eco.co.jp screenshot

About Website

Click here to check amazing Arc Eco content for Japan. Otherwise, check out these important facts you probably never knew about arc-eco.co.jp

北海道札幌市エリアで太陽光発電の新築やリフォームをお考えなら『株式会社アーク』にご相談ください。BCP対策のひとつとしても有効な自家消費型太陽光発電、蓄電池システムやオール電化にも対応可能です。ホームページでは施工実績や、現在進行中の設置風景をご覧いただけます。北海道札幌市豊平区豊平4条10丁目3番15号

Visit arc-eco.co.jp

Key Findings

We analyzed Arc-eco.co.jp page load time and found that the first response time was 2 sec and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

arc-eco.co.jp performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value12,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value20.9 s

2/100

10%

Network Requests Diagram

arc-eco.co.jp

2036 ms

gtm.js

62 ms

css2

36 ms

styles.css

399 ms

common.css

787 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 48% of them (42 requests) were addressed to the original Arc-eco.co.jp, 18% (16 requests) were made to Youtube.com and 14% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Arc-eco.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 157.4 kB (17%)

Content Size

923.0 kB

After Optimization

765.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arc-eco.co.jp main page is 923.0 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. Only a small number of websites need less resources to load. Images take 440.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 57.7 kB

  • Original 74.2 kB
  • After minification 59.9 kB
  • After compression 16.6 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. This page needs HTML code to be minified as it can gain 14.3 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 57.7 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 9.3 kB

  • Original 440.4 kB
  • After minification 431.1 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. Arc Eco images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 67.6 kB

  • Original 289.8 kB
  • After minification 289.8 kB
  • After compression 222.2 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 67.6 kB or 23% of the original size.

CSS Optimization

-19%

Potential reduce by 22.8 kB

  • Original 118.5 kB
  • After minification 118.5 kB
  • After compression 95.7 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. Arc-eco.co.jp needs all CSS files to be minified and compressed as it can save up to 22.8 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (13%)

Requests Now

71

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arc Eco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

arc-eco.co.jp

arc-eco.co.jp

2036 ms

gtm.js

gtm.js

62 ms

css2

css2

36 ms

styles.css

styles.css

399 ms

common.css

common.css

787 ms

bundle.js

bundle.js

794 ms

rp0utzdjPsg

rp0utzdjPsg

347 ms

L3UXhQvN2mY

L3UXhQvN2mY

256 ms

-B8bAQ8S8fk

-B8bAQ8S8fk

345 ms

Y_bRw_tiMMY

Y_bRw_tiMMY

330 ms

Hz5ppRS066E

Hz5ppRS066E

339 ms

wKFGXBMfw34

wKFGXBMfw34

338 ms

nav01.webp

nav01.webp

451 ms

nav02.webp

nav02.webp

451 ms

nav03.webp

nav03.webp

452 ms

nav04.webp

nav04.webp

962 ms

nav05.webp

nav05.webp

965 ms

nav06.webp

nav06.webp

1250 ms

fudousan.jpg

fudousan.jpg

1429 ms

nav07.webp

nav07.webp

964 ms

nav09.webp

nav09.webp

966 ms

nav10.webp

nav10.webp

998 ms

nav11.webp

nav11.webp

1250 ms

nav08.webp

nav08.webp

1250 ms

mv_text.svg

mv_text.svg

1249 ms

arc_20thbanner.png

arc_20thbanner.png

1534 ms

to_ambassador_text01.png

to_ambassador_text01.png

5541 ms

service01.webp

service01.webp

2382 ms

service02.webp

service02.webp

4192 ms

service03.webp

service03.webp

2292 ms

service05.webp

service05.webp

1985 ms

service04.webp

service04.webp

1893 ms

section_bg01.webp

section_bg01.webp

2204 ms

oil_icon_w.svg

oil_icon_w.svg

2117 ms

forest_icon_w.svg

forest_icon_w.svg

2380 ms

solar01.webp

solar01.webp

2554 ms

solar02.webp

solar02.webp

4663 ms

clean01.webp

clean01.webp

2555 ms

clean02.webp

clean02.webp

3528 ms

clean03.webp

clean03.webp

2767 ms

clean04.webp

clean04.webp

2768 ms

movie01_ambassador.webp

movie01_ambassador.webp

2860 ms

movie02_ambassador.webp

movie02_ambassador.webp

2946 ms

movie03_ambassador.webp

movie03_ambassador.webp

3042 ms

movie04_ambassador.webp

movie04_ambassador.webp

3156 ms

image.php

image.php

959 ms

image.php

image.php

817 ms

KFOlCnqEu92Fr1MmYUtvAw.ttf

KFOlCnqEu92Fr1MmYUtvAw.ttf

91 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

169 ms

KFOlCnqEu92Fr1MmEU9vAw.ttf

KFOlCnqEu92Fr1MmEU9vAw.ttf

199 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

257 ms

KFOlCnqEu92Fr1MmSU5vAw.ttf

KFOlCnqEu92Fr1MmSU5vAw.ttf

197 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

834 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

850 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

826 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

842 ms

wXK2E2wCr44tulPdnn-xbIpJ9RgT9-nyjg.ttf

wXK2E2wCr44tulPdnn-xbIpJ9RgT9-nyjg.ttf

1273 ms

image.php

image.php

736 ms

www-player.css

www-player.css

44 ms

www-embed-player.js

www-embed-player.js

109 ms

base.js

base.js

217 ms

arc_logo.svg

arc_logo.svg

2767 ms

isologo.webp

isologo.webp

2909 ms

ad_status.js

ad_status.js

572 ms

xk0PjXGe3Weoch_wsJrbTmMShFu5SdJ84GkfFnEjZYE.js

xk0PjXGe3Weoch_wsJrbTmMShFu5SdJ84GkfFnEjZYE.js

515 ms

embed.js

embed.js

298 ms

id

id

172 ms

Create

Create

563 ms

Create

Create

564 ms

Create

Create

563 ms

Create

Create

561 ms

Create

Create

566 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

85 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

85 ms

Create

Create

657 ms

GenerateIT

GenerateIT

305 ms

GenerateIT

GenerateIT

306 ms

GenerateIT

GenerateIT

216 ms

GenerateIT

GenerateIT

214 ms

GenerateIT

GenerateIT

108 ms

GenerateIT

GenerateIT

32 ms

log_event

log_event

37 ms

log_event

log_event

45 ms

log_event

log_event

35 ms

log_event

log_event

32 ms

log_event

log_event

23 ms

log_event

log_event

24 ms

Accessibility Review

arc-eco.co.jp accessibility score

89

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

Heading elements are not in a sequentially-descending order

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

arc-eco.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Page has valid source maps

SEO Factors

arc-eco.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 Arc-eco.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 Arc-eco.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

arc-eco.co.jp

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