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realpower-energy.com screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

realpower-energy.com

レアルエージェンシー株式会社

Page Load Speed

3.4 sec in total

First Response

546 ms

Resources Loaded

2.8 sec

Page Rendered

78 ms

realpower-energy.com screenshot

About Website

Click here to check amazing Realpower Energy content. Otherwise, check out these important facts you probably never knew about realpower-energy.com

レアルエージェンシー株式会社オフィシャルサイトです。

Visit realpower-energy.com

Key Findings

We analyzed Realpower-energy.com page load time and found that the first response time was 546 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

realpower-energy.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

realpower-energy.com

546 ms

realpower-energy.com

694 ms

default.css

174 ms

jquery-1.8.2.js

518 ms

jquery.page-scroller.js

510 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Realpower-energy.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Realpower-energy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.4 kB (13%)

Content Size

207.6 kB

After Optimization

180.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Realpower-energy.com main page is 207.6 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 10% of websites need less resources to load. Images take 162.5 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 1.4 kB

  • Original 2.5 kB
  • After minification 2.4 kB
  • After compression 1.2 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 1.4 kB or 54% of the original size.

Image Optimization

-12%

Potential reduce by 19.9 kB

  • Original 162.5 kB
  • After minification 142.6 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, Realpower Energy needs image optimization as it can save up to 19.9 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

-14%

Potential reduce by 5.9 kB

  • Original 41.3 kB
  • After minification 41.3 kB
  • After compression 35.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 5.9 kB or 14% of the original size.

CSS Optimization

-22%

Potential reduce by 286 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.0 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. Realpower-energy.com needs all CSS files to be minified and compressed as it can save up to 286 B or 22% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Realpower Energy. According to our analytics all requests are already optimized.

Network Requests Diagram

realpower-energy.com

realpower-energy.com

546 ms

realpower-energy.com

realpower-energy.com

694 ms

default.css

default.css

174 ms

jquery-1.8.2.js

jquery-1.8.2.js

518 ms

jquery.page-scroller.js

jquery.page-scroller.js

510 ms

hd-bg.png

hd-bg.png

173 ms

nextalliance-logo.png

nextalliance-logo.png

340 ms

nv01.png

nv01.png

176 ms

nv02.png

nv02.png

343 ms

nv03.png

nv03.png

352 ms

service-img01.jpg

service-img01.jpg

1018 ms

Accessibility Review

realpower-energy.com accessibility score

100

Accessibility Issues

Best Practices

realpower-energy.com best practices score

67

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

realpower-energy.com SEO score

75

Search Engine Optimization Advices

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 Realpower-energy.com 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 Realpower-energy.com 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

realpower-energy.com

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