Tools & Wizards About Us
rlsolar.jp screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rlsolar.jp

R&L Co., Ltd.,solar,solar solutions description：R & L Solar Solutions offers a wide range of solar power generation, with a team of experienced techni...

Page Load Speed

1.6 sec in total

First Response

238 ms

Resources Loaded

1.3 sec

Page Rendered

63 ms

rlsolar.jp screenshot

About Website

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

R&L Co., Ltd.,solar,solar solutions description：R & L Solar Solutions offers a wide range of solar power generation, with a team of experienced technicians providing safe and accurate response and pro...

Visit rlsolar.jp

Key Findings

We analyzed Rlsolar.jp page load time and found that the first response time was 238 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

rlsolar.jp performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

www.rlsolar.jp

238 ms

minified.js

37 ms

focus-within-polyfill.js

33 ms

polyfill.min.js

34 ms

form-app-header.chunk.min.js

138 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rlsolar.jp, 46% (26 requests) were made to Static.parastorage.com and 26% (15 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (601 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (62%)

Content Size

1.7 MB

After Optimization

635.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rlsolar.jp main page is 1.7 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. 50% of websites need less resources to load. HTML takes 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 1.0 MB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 239.2 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. 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 1.0 MB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 14.3 kB

  • Original 123.3 kB
  • After minification 109.1 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. Obviously, Rl Solar needs image optimization as it can save up to 14.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 10.3 kB

  • Original 297.9 kB
  • After minification 297.9 kB
  • After compression 287.6 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.

Requests Breakdown

Number of requests can be reduced by 13 (39%)

Requests Now

33

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rl 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.rlsolar.jp

www.rlsolar.jp

238 ms

minified.js

minified.js

37 ms

focus-within-polyfill.js

focus-within-polyfill.js

33 ms

polyfill.min.js

polyfill.min.js

34 ms

form-app-header.chunk.min.js

form-app-header.chunk.min.js

138 ms

form-app-wix-ricos-viewer.chunk.min.js

form-app-wix-ricos-viewer.chunk.min.js

141 ms

form-app-checkbox.chunk.min.js

form-app-checkbox.chunk.min.js

141 ms

thunderbolt-commons.2ae1974e.bundle.min.js

thunderbolt-commons.2ae1974e.bundle.min.js

132 ms

main.8ce05abc.bundle.min.js

main.8ce05abc.bundle.min.js

138 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

137 ms

lodash.min.js

lodash.min.js

136 ms

react.production.min.js

react.production.min.js

136 ms

react-dom.production.min.js

react-dom.production.min.js

153 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

164 ms

img_ft_logo.png

img_ft_logo.png

250 ms

bundle.min.js

bundle.min.js

73 ms

11062b_82ad3d7f62ba4f30a1649cbee8475430f000.jpg

11062b_82ad3d7f62ba4f30a1649cbee8475430f000.jpg

205 ms

img_main_cap_eng.png

img_main_cap_eng.png

465 ms

570924_21a7bee8593d4695beec2e706bc0b204~mv2.png

570924_21a7bee8593d4695beec2e706bc0b204~mv2.png

331 ms

11062b_29fa74dbe92349e6a0cb6645aec07f54~mv2.jpg

11062b_29fa74dbe92349e6a0cb6645aec07f54~mv2.jpg

325 ms

11062b_656b7f2e53f04bcc97f085d618bc8d83f000.jpg

11062b_656b7f2e53f04bcc97f085d618bc8d83f000.jpg

313 ms

Solar%20Panels.jpg

Solar%20Panels.jpg

329 ms

11062b_b1843b62d86d42529b1a49079b6bb33d~mv2.jpg

11062b_b1843b62d86d42529b1a49079b6bb33d~mv2.jpg

317 ms

e205b0bda7104667b90d0c08a5576c4a.jpg

e205b0bda7104667b90d0c08a5576c4a.jpg

475 ms

11062b_b02d1b7883d5447fb2453acb93a5102bf000.jpg

11062b_b02d1b7883d5447fb2453acb93a5102bf000.jpg

458 ms

570924_21a7bee8593d4695beec2e706bc0b204~mv2.png

570924_21a7bee8593d4695beec2e706bc0b204~mv2.png

424 ms

img_ft_logo_edited.png

img_ft_logo_edited.png

463 ms

RL_ENERGY-removebg-preview%20(5)_edited_pn.png

RL_ENERGY-removebg-preview%20(5)_edited_pn.png

486 ms

570924_55b4c6259ec9452191e27ab7e664fa70~mv2.png

570924_55b4c6259ec9452191e27ab7e664fa70~mv2.png

570 ms

570924_df1166f4f81c463db46214331d39e613~mv2.jpg

570924_df1166f4f81c463db46214331d39e613~mv2.jpg

601 ms

149 ms

147 ms

145 ms

145 ms

143 ms

142 ms

184 ms

183 ms

181 ms

177 ms

177 ms

173 ms

20323430-24f4-4767-9d4d-060d1e89758a.woff

20323430-24f4-4767-9d4d-060d1e89758a.woff

16 ms

94e45703-fbd7-46e5-9fcd-228ae59d6266.woff

94e45703-fbd7-46e5-9fcd-228ae59d6266.woff

6 ms

9ee00678-b6d7-4b4f-8448-70cfa267d36b.woff

9ee00678-b6d7-4b4f-8448-70cfa267d36b.woff

37 ms

ae844b11-5158-4caf-90b4-7ace49ac3440.woff

ae844b11-5158-4caf-90b4-7ace49ac3440.woff

16 ms

d3bbaa1b-d5e3-431f-93a7-9cea63601bb6.woff

d3bbaa1b-d5e3-431f-93a7-9cea63601bb6.woff

38 ms

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

16 ms

4021a3b9-f782-438b-aeb4-c008109a8b64.woff

4021a3b9-f782-438b-aeb4-c008109a8b64.woff

16 ms

b56b944e-bbe0-4450-a241-de2125d3e682.woff

b56b944e-bbe0-4450-a241-de2125d3e682.woff

17 ms

6f8d1983-4d34-4fa4-9110-988f6c495757.woff

6f8d1983-4d34-4fa4-9110-988f6c495757.woff

16 ms

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

16 ms

AvenirLTW05-35Light.woff

AvenirLTW05-35Light.woff

17 ms

deprecation-en.v5.html

deprecation-en.v5.html

8 ms

bolt-performance

bolt-performance

32 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

rlsolar.jp accessibility score

98

Accessibility Issues

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

rlsolar.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

Page has valid source maps

SEO Factors

rlsolar.jp SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

rlsolar.jp

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