Tools & Wizards About Us
wtcbldg.co.jp screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% 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

15 sec in total

First Response

400 ms

Resources Loaded

14.5 sec

Page Rendered

175 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 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.

Performance Metrics

wtcbldg.co.jp performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

wtcbldg.co.jp

400 ms

wtcbldg.co.jp

719 ms

import.css

485 ms

top.css

561 ms

jquery-1.11.3.min.js

1073 ms

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.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.9 kB (8%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

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.

HTML Optimization

-77%

Potential reduce by 10.5 kB

  • Original 13.6 kB
  • After minification 12.2 kB
  • After compression 3.1 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. 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.

Image Optimization

-3%

Potential reduce by 41.6 kB

  • Original 1.6 MB
  • After minification 1.6 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 70.5 kB

  • Original 123.6 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 70.5 kB or 57% of the original size.

CSS Optimization

-80%

Potential reduce by 23.3 kB

  • Original 29.2 kB
  • After minification 22.1 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 23.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (19%)

Requests Now

84

After Optimization

68

  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

wtcbldg.co.jp

wtcbldg.co.jp

400 ms

wtcbldg.co.jp

wtcbldg.co.jp

719 ms

import.css

import.css

485 ms

top.css

top.css

561 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1073 ms

thumslide.js

thumslide.js

566 ms

rollover.js

rollover.js

568 ms

common.js

common.js

541 ms

top.js

top.js

982 ms

reset.css

reset.css

545 ms

layout.css

layout.css

563 ms

base.css

base.css

577 ms

other.css

other.css

598 ms

ga.js

ga.js

55 ms

header_logo001.png

header_logo001.png

498 ms

hd_tx001.gif

hd_tx001.gif

496 ms

hd_tx002.gif

hd_tx002.gif

500 ms

header_bg001.gif

header_bg001.gif

501 ms

header_nav.png

header_nav.png

502 ms

header_company_h001.png

header_company_h001.png

514 ms

header_company_bt001.png

header_company_bt001.png

982 ms

header_company_bt002.png

header_company_bt002.png

984 ms

header_company_bt003.png

header_company_bt003.png

993 ms

header_company_bt004.png

header_company_bt004.png

1009 ms

header_company_bt005.png

header_company_bt005.png

1035 ms

header_company_bt006.png

header_company_bt006.png

1050 ms

header_company_bt007.png

header_company_bt007.png

1476 ms

header_company_bt008.png

header_company_bt008.png

1489 ms

header_close001.png

header_close001.png

1498 ms

header_business_h001.png

header_business_h001.png

1534 ms

header_business_bt001.png

header_business_bt001.png

1542 ms

header_business_bt002.png

header_business_bt002.png

1569 ms

header_business_bt003.png

header_business_bt003.png

1984 ms

header_business_bt004.png

header_business_bt004.png

1981 ms

index_slide001.jpg

index_slide001.jpg

4493 ms

index_slide002.jpg

index_slide002.jpg

6634 ms

index_slide003.jpg

index_slide003.jpg

7037 ms

index_slide004.jpg

index_slide004.jpg

6676 ms

index_slide005.jpg

index_slide005.jpg

6720 ms

index_slide006.jpg

index_slide006.jpg

6638 ms

index_slide007.jpg

index_slide007.jpg

7430 ms

index_h_bg001.png

index_h_bg001.png

7158 ms

index_h001.png

index_h001.png

7188 ms

index_bg001.png

index_bg001.png

7174 ms

index_tx001.png

index_tx001.png

7234 ms

index_thum001.png

index_thum001.png

7523 ms

index_thum002.png

index_thum002.png

7642 ms

index_thum003.png

index_thum003.png

7657 ms

index_thum004.png

index_thum004.png

7725 ms

index_thum005.png

index_thum005.png

7739 ms

__utm.gif

__utm.gif

12 ms

index_thum006.png

index_thum006.png

7430 ms

index_thum007.png

index_thum007.png

7566 ms

index_slide_ctrl001.png

index_slide_ctrl001.png

7681 ms

index_bn001.jpg

index_bn001.jpg

8495 ms

index_bn002.jpg

index_bn002.jpg

8458 ms

index_bn003.jpg

index_bn003.jpg

8408 ms

index_bn004.jpg

index_bn004.jpg

7981 ms

index_bn005.jpg

index_bn005.jpg

7971 ms

index_bn006.jpg

index_bn006.jpg

7996 ms

footer_bg001.gif

footer_bg001.gif

8447 ms

footer_copy001.png

footer_copy001.png

8414 ms

hd_tx001on.gif

hd_tx001on.gif

8396 ms

hd_tx002on.gif

hd_tx002on.gif

8012 ms

header_company_bt001on.png

header_company_bt001on.png

7997 ms

header_company_bt002on.png

header_company_bt002on.png

7994 ms

header_company_bt003on.png

header_company_bt003on.png

8444 ms

header_company_bt004on.png

header_company_bt004on.png

8449 ms

header_company_bt005on.png

header_company_bt005on.png

8416 ms

header_company_bt006on.png

header_company_bt006on.png

8000 ms

header_company_bt007on.png

header_company_bt007on.png

8012 ms

header_company_bt008on.png

header_company_bt008on.png

5508 ms

header_close001on.png

header_close001on.png

3827 ms

header_business_bt001on.png

header_business_bt001on.png

3828 ms

header_business_bt002on.png

header_business_bt002on.png

3802 ms

header_business_bt003on.png

header_business_bt003on.png

3768 ms

header_business_bt004on.png

header_business_bt004on.png

3455 ms

index_tx001on.png

index_tx001on.png

3361 ms

index_bn001on.jpg

index_bn001on.jpg

4120 ms

index_bn002on.jpg

index_bn002on.jpg

4119 ms

index_bn003on.jpg

index_bn003on.jpg

3933 ms

index_bn004on.jpg

index_bn004on.jpg

3732 ms

index_bn005on.jpg

index_bn005on.jpg

3641 ms

index_bn006on.jpg

index_bn006on.jpg

3592 ms

index_slide_bg001.png

index_slide_bg001.png

4044 ms

print.css

print.css

492 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: