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Page load speed analysis

  • 60/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    550 ms

  • Resources loaded

    3.7 sec

  • Page rendered

    139 ms

  • Total page load time

    4.4 sec

Click here to check amazing I Revo content for Japan. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 550 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Page optimization

  • HTML 9.5 kB
    Images 302.2 kB
    Javascripts 64.8 kB
    CSS 52.8 kB

    In fact, the total size of main page is 429.2 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. 20% of websites need less resources to load. Images take 302.2 kB which makes up the majority of the site volume.

    • Original 9.5 kB
    • After minification 8.0 kB
    • After compression 2.5 kB

    HTML optimization

    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 1.5 kB, which is 16% 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 7.0 kB or 73% of the original size.

    • Original 302.2 kB
    • After optimization 297.9 kB

    Image optimization

    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. I Revo images are well optimized though.

    • Original 64.8 kB
    • After minification 47.8 kB
    • After compression 13.2 kB

    JavaScript optimization

    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 51.6 kB or 80% of the original size.

    • Original 52.8 kB
    • After minification 36.8 kB
    • After compression 8.4 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 44.3 kB or 84% of the original size.

Network requests diagram

  • top.css
  • top.js
  • prototype.js
  • ajax.js
  • Default.css
  • Menber.css
  • title_mp.gif
  • img_mp02.gif
  • bnr_gfdm_xg.jpg
  • title_access.gif
  • img_access.gif
  • Service_title.gif
  • Service_comm.gif
  • icon_arrowBule.gif
  • Service_dot.gif
  • Service_etc.gif
  • bnr_ealive.png
  • jasrac_music.png
  • jasrac_movie.png
  • bnr_Kenkou.jpg
  • bnr_save.jpg
  • logout_back.gif
  • login_back.gif
  • PickUp_back.gif
  • PickUp_end.jpg
  • PickUp_title.jpg
  • i-revo_rogo.jpg
  • G_line.gif
  • GlobalNavi_back.jpg
  • G_category.gif
  • G_help.jpg
  • G_login.jpg
  • G_logout.jpg
  • PickUp_12nokoroshiya.gif
  • PickUp_punimal.gif
  • PickUp_girlsside.gif
  • PickUp_line.gif
  • btn_login.jpg
  • btn_newMember.jpg

Our browser made a total of 41 requests to load all elements on the main page. We found that all of those requests were addressed to and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain

Additional info on


The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I Revo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.









Possible request optimization











Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address

This IP address is dedicated to This is the best domain hosting practice .

Good result

IP Trace

DNS records

Type Host Target/ip TTL Other
NS 21600
NS 21600
NS 21600
NS 21600

21600 Mname:
Serial: 7
Refresh: 21600
Retry: 3600
Expire: 259200
Minimum-ttl: 300

Language and encoding

Good result


JA ja language flag


JA ja language flag





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

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 32.1% of all visits is Japan. Unfortunately, we cannot track the location of server and thus cannot define if the distance between their user base and server can potentially affect the page load time

Good result

Poor result

Social Sharing Optimization

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

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