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Report Summary

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    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

j-wind.jp

グランデータ解約乗り換え | 電気代を安くお得に！

Page Load Speed

5.7 sec in total

First Response

2.2 sec

Resources Loaded

3.3 sec

Page Rendered

174 ms

j-wind.jp screenshot

About Website

Click here to check amazing J Wind content. Otherwise, check out these important facts you probably never knew about j-wind.jp

東京神奈川の散歩

Visit j-wind.jp

Key Findings

We analyzed J-wind.jp page load time and found that the first response time was 2.2 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

j-wind.jp performance score

0

Network Requests Diagram

j-wind.jp

2183 ms

style.min.css

351 ms

style.css

530 ms

keyframes.css

183 ms

font-awesome.min.css

343 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 81% of them (13 requests) were addressed to the original J-wind.jp, 6% (1 request) were made to Ajax.googleapis.com and 6% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain J-wind.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.3 kB (60%)

Content Size

265.1 kB

After Optimization

104.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of J-wind.jp main page is 265.1 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. 25% of websites need less resources to load. HTML takes 168.9 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 151.6 kB

  • Original 168.9 kB
  • After minification 167.6 kB
  • After compression 17.3 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 151.6 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 11 B

  • Original 739 B
  • After minification 728 B

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. J Wind images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 1.5 kB

  • Original 36.1 kB
  • After minification 35.8 kB
  • After compression 34.6 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

-12%

Potential reduce by 7.1 kB

  • Original 59.4 kB
  • After minification 59.0 kB
  • After compression 52.3 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. J-wind.jp needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (79%)

Requests Now

14

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J Wind. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

j-wind.jp

j-wind.jp

2183 ms

style.min.css

style.min.css

351 ms

style.css

style.css

530 ms

keyframes.css

keyframes.css

183 ms

font-awesome.min.css

font-awesome.min.css

343 ms

style.css

style.css

404 ms

style.css

style.css

408 ms

keyframes.css

keyframes.css

406 ms

jquery.min.js

jquery.min.js

69 ms

jquery-migrate.min.js

jquery-migrate.min.js

65 ms

stickyfill.min.js

stickyfill.min.js

402 ms

javascript.js

javascript.js

530 ms

javascript.js

javascript.js

530 ms

clipboard.min.js

clipboard.min.js

28 ms

no-image-320.png

no-image-320.png

191 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

519 ms

SEO Factors

j-wind.jp SEO score

0

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 J-wind.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 J-wind.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

j-wind.jp

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