Tools & Wizards About Us

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cellstar.co.jp

セルスター工業株式会社　CELLSTAR

Page Load Speed

9.1 sec in total

First Response

1.5 sec

Resources Loaded

7.3 sec

Page Rendered

324 ms

About Website

Click here to check amazing CELLSTAR content for Japan. Otherwise, check out these important facts you probably never knew about cellstar.co.jp

セルスター工業株式会社（CELLSTAR）オフィシャルサイトです。ドライブレコーダー、デジタルインナーミラー 、レーダー探知機、レーザー受信機、インバーター、などカーエレクトロニクス製品の製造販売。

Visit cellstar.co.jp

Key Findings

We analyzed Cellstar.co.jp page load time and found that the first response time was 1.5 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cellstar.co.jp performance score

0

Network Requests Diagram

cellstar.co.jp

1529 ms

site_common.css

1350 ms

toppage.css

1359 ms

top_new.css

1360 ms

jquery_new.js

2141 ms

Our browser made a total of 215 requests to load all elements on the main page. We found that 75% of them (161 requests) were addressed to the original Cellstar.co.jp, 15% (32 requests) were made to Static.xx.fbcdn.net and 4% (9 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Cellstar.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.5 kB (13%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cellstar.co.jp main page is 1.5 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 49.8 kB

  • Original 59.1 kB
  • After minification 50.0 kB
  • After compression 9.3 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. This page needs HTML code to be minified as it can gain 9.1 kB, which is 15% 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 49.8 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 73.1 kB

  • Original 1.3 MB
  • After minification 1.2 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. CELLSTAR images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 52.5 kB

  • Original 150.6 kB
  • After minification 150.0 kB
  • After compression 98.0 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 52.5 kB or 35% of the original size.

CSS Optimization

-79%

Potential reduce by 23.1 kB

  • Original 29.3 kB
  • After minification 23.1 kB
  • After compression 6.2 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. Cellstar.co.jp needs all CSS files to be minified and compressed as it can save up to 23.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (23%)

Requests Now

212

After Optimization

164

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 212 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CELLSTAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

SEO Factors

cellstar.co.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 Cellstar.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 Cellstar.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

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