Tools & Wizards About Us
proinsosolar.co.jp screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

proinsosolar.co.jp

Award-winning services for solar energy projects - PROINSO

Page Load Speed

3.2 sec in total

First Response

303 ms

Resources Loaded

2.2 sec

Page Rendered

732 ms

proinsosolar.co.jp screenshot

About Website

Welcome to proinsosolar.co.jp homepage info - get ready to check PROINSO Solar best content right away, or after learning these important things about proinsosolar.co.jp

Interested in solar panels, supplies, or installation services? PROINSO provides accessories for all things solar. Start your solar project with us today!

Visit proinsosolar.co.jp

Key Findings

We analyzed Proinsosolar.co.jp page load time and found that the first response time was 303 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

proinsosolar.co.jp performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value2,520 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

proinsosolar.co.jp

303 ms

www.proinso.net

235 ms

jquery.min.js

69 ms

style.min.css

309 ms

cookie-law-info-public.css

249 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Proinsosolar.co.jp, 70% (53 requests) were made to Proinso.net and 11% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (788 ms) relates to the external source Proinso.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.0 kB (7%)

Content Size

2.0 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Proinsosolar.co.jp main page is 2.0 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. Javascripts take 915.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 125.2 kB

  • Original 156.7 kB
  • After minification 146.6 kB
  • After compression 31.5 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 125.2 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 703.2 kB
  • After minification 703.2 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. PROINSO Solar images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.8 kB

  • Original 915.4 kB
  • After minification 915.4 kB
  • After compression 909.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 15.0 kB

  • Original 188.9 kB
  • After minification 188.9 kB
  • After compression 173.9 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. Proinsosolar.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 54 (86%)

Requests Now

63

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PROINSO Solar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

proinsosolar.co.jp

proinsosolar.co.jp

303 ms

www.proinso.net

www.proinso.net

235 ms

jquery.min.js

jquery.min.js

69 ms

style.min.css

style.min.css

309 ms

cookie-law-info-public.css

cookie-law-info-public.css

249 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

252 ms

style.min.css

style.min.css

255 ms

css

css

89 ms

bootstrap.css

bootstrap.css

334 ms

animate.css

animate.css

256 ms

v4-shims.min.css

v4-shims.min.css

325 ms

all.min.css

all.min.css

330 ms

font-awesome.css

font-awesome.css

341 ms

style.css

style.css

339 ms

style.css

style.css

386 ms

magnific-popup.css

magnific-popup.css

404 ms

owl.carousel.css

owl.carousel.css

408 ms

style.css

style.css

408 ms

js_composer.min.css

js_composer.min.css

488 ms

custom.css

custom.css

411 ms

pum-site-styles.css

pum-site-styles.css

463 ms

mailin-front.css

mailin-front.css

482 ms

jquery.min.js

jquery.min.js

562 ms

jquery-migrate.min.js

jquery-migrate.min.js

513 ms

cookie-law-info-public.js

cookie-law-info-public.js

513 ms

rbtools.min.js

rbtools.min.js

618 ms

rs6.min.js

rs6.min.js

788 ms

script.min.js

script.min.js

567 ms

js

js

91 ms

owl.carousel.js

owl.carousel.js

567 ms

mailin-front.js

mailin-front.js

566 ms

gpt.js

gpt.js

97 ms

formidableforms.css

formidableforms.css

638 ms

animate.min.css

animate.min.css

642 ms

rs6.css

rs6.css

643 ms

lazysizes.min.js

lazysizes.min.js

644 ms

bootstrap.min.js

bootstrap.min.js

693 ms

easing.js

easing.js

715 ms

jquery.countTo.js

jquery.countTo.js

720 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

724 ms

wow.min.js

wow.min.js

720 ms

api.js

api.js

80 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

772 ms

jquery.stellar.min.js

jquery.stellar.min.js

555 ms

designesia.js

designesia.js

555 ms

sticky-header.js

sticky-header.js

553 ms

frm.min.js

frm.min.js

728 ms

core.min.js

core.min.js

549 ms

pum-site-scripts.js

pum-site-scripts.js

543 ms

js_composer_front.min.js

js_composer_front.min.js

542 ms

vc-waypoints.min.js

vc-waypoints.min.js

648 ms

style.css

style.css

477 ms

css

css

14 ms

sa.js

sa.js

497 ms

analytics.js

analytics.js

151 ms

pubads_impl.js

pubads_impl.js

91 ms

ppub_config

ppub_config

91 ms

recaptcha__en.js

recaptcha__en.js

162 ms

hero-home-1.jpg

hero-home-1.jpg

325 ms

bg-21-1.jpg

bg-21-1.jpg

271 ms

efws.jpg

efws.jpg

271 ms

what-they-say2.jpg

what-they-say2.jpg

343 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

188 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aXw.woff

217 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw3aXw.woff

272 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw3aXw.woff

269 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw3aXw.woff

271 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w3aXw.woff

271 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w3aXw.woff

271 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w3aXw.woff

271 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

253 ms

ElegantIcons.woff

ElegantIcons.woff

124 ms

fa-brands-400.woff

fa-brands-400.woff

252 ms

collect

collect

180 ms

collect

collect

87 ms

js

js

119 ms

Accessibility Review

proinsosolar.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.

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

proinsosolar.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

Low

Detected JavaScript libraries

SEO Factors

proinsosolar.co.jp SEO score

93

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Proinsosolar.co.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Proinsosolar.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

proinsosolar.co.jp

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