Tools & Wizards About Us
wtcbldg.co.jp screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

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

Page Load Speed

6.8 sec in total

First Response

628 ms

Resources Loaded

6 sec

Page Rendered

100 ms

wtcbldg.co.jp screenshot

About Website

Visit wtcbldg.co.jp now to see the best up-to-date Wtcbldg content for Japan and also check out these interesting facts you probably never knew about wtcbldg.co.jp

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。

Visit wtcbldg.co.jp

Key Findings

We analyzed Wtcbldg.co.jp page load time and found that the first response time was 628 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

wtcbldg.co.jp performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

wtcbldg.co.jp

628 ms

wtcbldg.co.jp

926 ms

import.css

1222 ms

top.css

489 ms

jquery-1.11.3.min.js

987 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 97% of them (72 requests) were addressed to the original Wtcbldg.co.jp, 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Wtcbldg.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.3 kB (9%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wtcbldg.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. 25% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 12.6 kB

  • Original 16.2 kB
  • After minification 12.9 kB
  • After compression 3.7 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 3.3 kB, which is 20% 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 12.6 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 20.5 kB

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

JavaScript Optimization

-57%

Potential reduce by 70.1 kB

  • Original 123.2 kB
  • After minification 120.6 kB
  • After compression 53.1 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 70.1 kB or 57% of the original size.

CSS Optimization

-79%

Potential reduce by 22.2 kB

  • Original 28.1 kB
  • After minification 22.2 kB
  • After compression 5.9 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. Wtcbldg.co.jp needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (22%)

Requests Now

72

After Optimization

56

  • Images
  • JavaScript
  • CSS

The browser has sent 72 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.

Network Requests Diagram

wtcbldg.co.jp

wtcbldg.co.jp

628 ms

wtcbldg.co.jp

wtcbldg.co.jp

926 ms

import.css

import.css

1222 ms

top.css

top.css

489 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

987 ms

thumslide.js

thumslide.js

584 ms

rollover.js

rollover.js

599 ms

common.js

common.js

681 ms

top.js

top.js

651 ms

reset.css

reset.css

228 ms

layout.css

layout.css

171 ms

base.css

base.css

167 ms

other.css

other.css

229 ms

ga.js

ga.js

38 ms

header_logo001.png

header_logo001.png

234 ms

hd_tx001.gif

hd_tx001.gif

173 ms

hd_tx002.gif

hd_tx002.gif

171 ms

header_bg001.gif

header_bg001.gif

234 ms

header_nav.png

header_nav.png

202 ms

header_company_h001.png

header_company_h001.png

204 ms

header_company_bt002.png

header_company_bt002.png

334 ms

header_company_bt003.png

header_company_bt003.png

338 ms

header_company_bt004.png

header_company_bt004.png

399 ms

header_company_bt005.png

header_company_bt005.png

1400 ms

header_company_bt006.png

header_company_bt006.png

461 ms

header_company_bt007.png

header_company_bt007.png

461 ms

header_company_bt008.png

header_company_bt008.png

496 ms

header_close001.png

header_close001.png

503 ms

header_business_h001.png

header_business_h001.png

594 ms

header_business_bt001.png

header_business_bt001.png

688 ms

header_business_bt004.png

header_business_bt004.png

691 ms

index_slide001.jpg

index_slide001.jpg

1144 ms

index_slide002.jpg

index_slide002.jpg

1161 ms

index_slide003.jpg

index_slide003.jpg

1793 ms

index_slide005.jpg

index_slide005.jpg

1587 ms

index_slide007.jpg

index_slide007.jpg

1821 ms

index_h_bg001.png

index_h_bg001.png

1308 ms

index_h001.png

index_h001.png

1333 ms

index_bg001.png

index_bg001.png

1472 ms

index_tx001.png

index_tx001.png

1499 ms

index_thum001.png

index_thum001.png

1599 ms

index_thum002.png

index_thum002.png

1636 ms

index_thum003.png

index_thum003.png

1666 ms

index_thum005.png

index_thum005.png

1812 ms

index_thum007.png

index_thum007.png

1797 ms

index_slide_ctrl001.png

index_slide_ctrl001.png

1798 ms

index_bn001.jpg

index_bn001.jpg

1833 ms

index_bn002.jpg

index_bn002.jpg

1988 ms

index_bn005.jpg

index_bn005.jpg

2190 ms

index_bn006.jpg

index_bn006.jpg

1962 ms

__utm.gif

__utm.gif

12 ms

index_bn007.png

index_bn007.png

2096 ms

footer_bg001.gif

footer_bg001.gif

1880 ms

footer_copy001.png

footer_copy001.png

1802 ms

hd_tx001on.gif

hd_tx001on.gif

1927 ms

hd_tx002on.gif

hd_tx002on.gif

1955 ms

header_company_bt002on.png

header_company_bt002on.png

1936 ms

header_company_bt003on.png

header_company_bt003on.png

1947 ms

header_company_bt004on.png

header_company_bt004on.png

1957 ms

header_company_bt005on.png

header_company_bt005on.png

1938 ms

header_company_bt006on.png

header_company_bt006on.png

1921 ms

header_company_bt007on.png

header_company_bt007on.png

1930 ms

header_company_bt008on.png

header_company_bt008on.png

1998 ms

header_close001on.png

header_close001on.png

2004 ms

header_business_bt001on.png

header_business_bt001on.png

1864 ms

header_business_bt004on.png

header_business_bt004on.png

1814 ms

index_tx001on.png

index_tx001on.png

1886 ms

index_bn001on.jpg

index_bn001on.jpg

1445 ms

index_bn002on.jpg

index_bn002on.jpg

1459 ms

index_bn005on.jpg

index_bn005on.jpg

1412 ms

index_bn006on.jpg

index_bn006on.jpg

1334 ms

index_bn007on.png

index_bn007on.png

1338 ms

index_slide_bg001.png

index_slide_bg001.png

1299 ms

print.css

print.css

228 ms

Accessibility Review

wtcbldg.co.jp accessibility score

100

Accessibility Issues

Best Practices

wtcbldg.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

wtcbldg.co.jp SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT-JIS

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.

Social Sharing Optimization

wtcbldg.co.jp

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: