Tools & Wizards About Us
suntech-power.co.jp screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

suntech-power.co.jp

太陽光発電のサンテックパワー

Page Load Speed

6.9 sec in total

First Response

502 ms

Resources Loaded

5.5 sec

Page Rendered

870 ms

suntech-power.co.jp screenshot

About Website

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

日本において40年以上も太陽光発電専業メーカーとして経験と実績を積んできました。全国160ヶ所の拠点からお客様のご自宅までお伺いし、万全のアフターサービスを提供します。

Visit suntech-power.co.jp

Key Findings

We analyzed Suntech-power.co.jp page load time and found that the first response time was 502 ms and then it took 6.4 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

suntech-power.co.jp performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.339

33/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

suntech-power.co.jp

502 ms

www.suntech-power.co.jp

509 ms

www.suntech-power.co.jp

683 ms

base.css

835 ms

custom.css

498 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 80% of them (48 requests) were addressed to the original Suntech-power.co.jp, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to B97.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Suntech-power.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (8%)

Content Size

16.9 MB

After Optimization

15.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Suntech-power.co.jp main page is 16.9 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. 40% of websites need less resources to load. Images take 16.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 38.3 kB

  • Original 45.5 kB
  • After minification 35.0 kB
  • After compression 7.2 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 10.4 kB, which is 23% 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 38.3 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 986.3 kB

  • Original 16.3 MB
  • After minification 15.4 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. Suntech Power images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 194.6 kB

  • Original 283.5 kB
  • After minification 213.4 kB
  • After compression 88.9 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 194.6 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 177.5 kB

  • Original 202.4 kB
  • After minification 149.2 kB
  • After compression 24.9 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. Suntech-power.co.jp needs all CSS files to be minified and compressed as it can save up to 177.5 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (42%)

Requests Now

57

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Suntech Power. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

suntech-power.co.jp

suntech-power.co.jp

502 ms

www.suntech-power.co.jp

www.suntech-power.co.jp

509 ms

www.suntech-power.co.jp

www.suntech-power.co.jp

683 ms

base.css

base.css

835 ms

custom.css

custom.css

498 ms

flexslider.css

flexslider.css

516 ms

top.css

top.css

514 ms

top_dm.css

top_dm.css

504 ms

import.js

import.js

507 ms

jquery.matchHeight.js

jquery.matchHeight.js

665 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

851 ms

plugin.js

plugin.js

679 ms

top.js

top.js

687 ms

common.js

common.js

686 ms

conversion.js

conversion.js

88 ms

s_retargeting.js

s_retargeting.js

1086 ms

conversion.js

conversion.js

689 ms

jquery.min.js

jquery.min.js

170 ms

modernizr.js

modernizr.js

513 ms

jquery.easing.min.js

jquery.easing.min.js

180 ms

underscore.js

underscore.js

341 ms

device.min.js

device.min.js

179 ms

css_browser_selector.js

css_browser_selector.js

179 ms

response.min.js

response.min.js

338 ms

track.js

track.js

87 ms

logo.png

logo.png

260 ms

sprite.png

sprite.png

259 ms

recruit_banner.jpg

recruit_banner.jpg

375 ms

main-img11.jpg

main-img11.jpg

851 ms

ipp_banner_pc.png

ipp_banner_pc.png

1024 ms

main-img09.jpg

main-img09.jpg

1216 ms

main-img02.jpg

main-img02.jpg

715 ms

sp-main-img11.png

sp-main-img11.png

711 ms

ipp_banner_sp.jpg

ipp_banner_sp.jpg

1203 ms

sp-main-img09.jpg

sp-main-img09.jpg

882 ms

sp-main-img02.jpg

sp-main-img02.jpg

887 ms

individual-nav.jpg

individual-nav.jpg

1017 ms

legal_entity2-nav.jpg

legal_entity2-nav.jpg

1051 ms

business-nav.jpg

business-nav.jpg

1057 ms

ipp-nav.jpg

ipp-nav.jpg

1184 ms

top-bnr_suncrystal.jpg

top-bnr_suncrystal.jpg

1357 ms

top-bnr00.png

top-bnr00.png

1221 ms

top-bnr01.jpg

top-bnr01.jpg

1227 ms

top-bnr02.jpg

top-bnr02.jpg

1355 ms

new_individual-bnr01.jpg

new_individual-bnr01.jpg

1867 ms

new_individual-bnr02.jpg

new_individual-bnr02.jpg

1719 ms

new_individual-bnr03.jpg

new_individual-bnr03.jpg

1391 ms

new_individual-bnr04.jpg

new_individual-bnr04.jpg

2400 ms

bottom-bnr06.jpg

bottom-bnr06.jpg

1521 ms

bottom-bnr01.jpg

bottom-bnr01.jpg

1524 ms

bottom-bnr02.jpg

bottom-bnr02.jpg

1561 ms

bottom-bnr04.jpg

bottom-bnr04.jpg

1689 ms

56 ms

analytics.js

analytics.js

41 ms

conversion_async.js

conversion_async.js

1295 ms

collect

collect

12 ms

30 ms

collect

collect

28 ms

js

js

62 ms

555 ms

Accessibility Review

suntech-power.co.jp accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

Best Practices

suntech-power.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

suntech-power.co.jp SEO score

91

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

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 Suntech-power.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 Suntech-power.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

suntech-power.co.jp

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