Analyze ビジネスメールの教科書


Page load speed analysis

  • 50/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    4.8 sec

  • Resources loaded

    10.9 sec

  • Page rendered

    656 ms

  • Total page load time

    16.4 sec

Welcome to homepage info - get ready to check Business Mail best content for Japan right away, or after learning these important things about

We analyzed page load time and found that the first response time was 4.8 sec and then it took 11.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Page optimization

  • HTML 60.6 kB
    Images 1.3 MB
    Javascripts 423.6 kB
    CSS 86.7 kB

    In fact, the total size of main page is 1.9 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.

    • Original 60.6 kB
    • After minification 53.2 kB
    • After compression 10.4 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 7.4 kB, which is 12% 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 50.1 kB or 83% of the original size.

    • Original 1.3 MB
    • After optimization 1.3 MB

    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. Business Mail images are well optimized though.

    • Original 423.6 kB
    • After minification 422.0 kB
    • After compression 147.0 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 276.6 kB or 65% of the original size.

    • Original 86.7 kB
    • After minification 79.3 kB
    • After compression 10.2 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 76.5 kB or 88% of the original size.

Network requests diagram

  • style.css
  • js
  • jquery-latest.js
  • jquery-ui.js
  • scripts.js
  • ajaxzip3.js
  • polls-css.css
  • animate.min.css
  • jquery.js
  • jquery-migrate.min.js
  • widgets.js
  • all.js
  • plusone.js
  • in.js
  • analytics.js
  • linkid.js
  • collect
  • collect
  • ga-audiences
  • cb=gapi.loaded_0
  • secureAnonymousFramework
  • bmcsem-top.jpg
  • logo_header.gif
  • slide0.jpg
  • slide1.jpg
  • slide2.jpg
  • slide3.jpg
  • slide5.jpg
  • bg_nav.gif
  • bg_nav_li.gif
  • ico_home_off.png
  • bg_h2_search.gif
  • bg_button.gif
  • map_base.png
  • map_off02.png
  • map_off04.png
  • map_off05.png
  • map_off06.png
  • map_on00.png
  • ico_arrow.png
  • bg_h2.gif
  • book_023s1.jpg
  • 0221.jpg
  • book12.jpg
  • book_009.gif
  • book05.jpg
  • bnr-contact.png
  • seminar_banner02.gif
  • bnr-side-report2015.jpg
  • seminar-banner0916.jpg
  • bnr_nkcolumn.jpg
  • bnr_side2.jpg
  • lnk06.gif
  • lnk04.gif
  • lnk06.gif
  • lnk01.gif
  • lnk02.gif
  • polls-js.js
  • bj-lazy-load.min.js
  • public.min.js
  • lnk03.gif
  • bg_pagetop.gif
  • logo_footer.gif
  • ico_gume.gif
  • btn_form.png
  • img_contact.gif
  • common.js
  • util.js
  • stats.js
  • AuthenticationService.Authenticate
  • xd_arbiter.php
  • xd_arbiter.php
  • ico_home_on.png
  • collect

Our browser made a total of 76 requests to load all elements on the main page. We found that 70% of them (53 requests) were addressed to the original, 5% (4 requests) were made to and 5% (4 requests) were made to The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain

Additional info on


The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Business Mail. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.











Possible request optimization













Normal result

IP address

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

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 3600
NS 3600
NS 3600

3599 Mname:
Serial: 2016080901
Refresh: 3600
Retry: 900
Expire: 3600000
Minimum-ttl: 3600
MX 3600 Pri: 10

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 96% of all visits is Japan. It’s good for that their server is also located in Japan, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this:

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