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wtcbldg.co.jp: 株式会社世界貿易センタービルディング|ひとをつなぐ、まちをつなぐ

株式会社世界貿易センタービルディングは、浜松町や大崎を中心とした、ビル賃貸、施設運営、マンション、ブライダル事業を展開しています。

Page load speed analysis

  • 48/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    400 ms

  • Resources loaded

    14.5 sec

  • Page rendered

    175 ms

  • Total page load time

    15 sec

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We analyzed Wtcbldg.co.jp page load time and found that the first response time was 400 ms and then it took 14.6 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 13.6 kB
    Images 1.6 MB
    Javascripts 149.5 kB
    CSS 29.2 kB

    In fact, the total size of Wtcbldg.co.jp main page is 1.8 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. 35% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

    • Original 13.6 kB
    • After minification 12.2 kB
    • After compression 3.1 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. 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 10.5 kB or 77% of the original size.

    • Original 1.6 MB
    • After optimization 1.6 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. Wtcbldg images are well optimized though.

    • Original 149.5 kB
    • After minification 146.5 kB
    • After compression 52.0 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 97.6 kB or 65% of the original size.

    • Original 29.2 kB
    • After minification 22.1 kB
    • After compression 5.9 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. Wtcbldg.co.jp needs all CSS files to be minified and compressed as it can save up to 23.3 kB or 80% of the original size.

Network requests diagram

  • wtcbldg.co.jp
  • wtcbldg.co.jp
  • import.css
  • top.css
  • jquery-1.11.3.min.js
  • thumslide.js
  • rollover.js
  • common.js
  • top.js
  • reset.css
  • layout.css
  • base.css
  • other.css
  • ga.js
  • header_logo001.png
  • hd_tx001.gif
  • hd_tx002.gif
  • header_bg001.gif
  • header_nav.png
  • header_company_h001.png
  • header_company_bt001.png
  • header_company_bt002.png
  • header_company_bt003.png
  • header_company_bt004.png
  • header_company_bt005.png
  • header_company_bt006.png
  • header_company_bt007.png
  • header_company_bt008.png
  • header_close001.png
  • header_business_h001.png
  • header_business_bt001.png
  • header_business_bt002.png
  • header_business_bt003.png
  • header_business_bt004.png
  • index_slide001.jpg
  • index_slide002.jpg
  • index_slide003.jpg
  • index_slide004.jpg
  • index_slide005.jpg
  • index_slide006.jpg
  • index_slide007.jpg
  • index_h_bg001.png
  • index_h001.png
  • index_bg001.png
  • index_tx001.png
  • index_thum001.png
  • index_thum002.png
  • index_thum003.png
  • index_thum004.png
  • index_thum005.png
  • __utm.gif
  • index_thum006.png
  • index_thum007.png
  • index_slide_ctrl001.png
  • index_bn001.jpg
  • index_bn002.jpg
  • index_bn003.jpg
  • index_bn004.jpg
  • index_bn005.jpg
  • index_bn006.jpg
  • footer_bg001.gif
  • footer_copy001.png
  • hd_tx001on.gif
  • hd_tx002on.gif
  • header_company_bt001on.png
  • header_company_bt002on.png
  • header_company_bt003on.png
  • header_company_bt004on.png
  • header_company_bt005on.png
  • header_company_bt006on.png
  • header_company_bt007on.png
  • header_company_bt008on.png
  • header_close001on.png
  • header_business_bt001on.png
  • header_business_bt002on.png
  • header_business_bt003on.png
  • header_business_bt004on.png
  • index_tx001on.png
  • index_bn001on.jpg
  • index_bn002on.jpg
  • index_bn003on.jpg
  • index_bn004on.jpg
  • index_bn005on.jpg
  • index_bn006on.jpg
  • index_slide_bg001.png
  • print.css

Our browser made a total of 86 requests to load all elements on the main page. We found that 98% of them (84 requests) were addressed to the original Wtcbldg.co.jp, 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (8.5 sec) belongs to the original domain Wtcbldg.co.jp.

Additional info on wtcbldg.co.jp

Requests

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wtcbldg. 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.

6

Javascripts

71

Images

7

CSS

84

All

Possible request optimization

1

Javascripts

66

Images

1

CSS

16

Optimized

68

All

Normal result

Redirects

As for redirects, our browser was forwarded to https://wtcbldg.co.jp/ before it reached this domain.

IP address

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

Normal result

IP Trace

wtcbldg.co.jp

157.7.110.247

202.238.245.166

DNS records

Type Host Target/ip TTL Other
A

wtcbldg.co.jp

210.193.118.140 300
NS

wtcbldg.co.jp

dns-b.iij.ad.jp 300
NS

wtcbldg.co.jp

dns-c.iij.ad.jp 300
SOA

wtcbldg.co.jp

300 Mname: dns-b.iij.ad.jp
Rname: dns-managers.iij.ad.jp
Serial: 1587942526
Refresh: 3600
Retry: 1800
Expire: 3600000
Minimum-ttl: 900
MX

wtcbldg.co.jp

alt3.aspmx.l.google.com 300 Pri: 30

Language and encoding

Normal result

Language

JA ja language flag

Detected

JA ja language flag

Claimed

Encoding

SHIFT-JIS

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wtcbldg.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 Wtcbldg.co.jp main page’s claimed encoding is shift-jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

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

Poor result

Visitor World Map

Country of origin for 97% of all visits is Japan. It’s good for Wtcbldg.co.jp 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

Poor result

Social Sharing Optimization

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

wtcbldg.co.jp

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