Tools & Wizards About Us
suijobus.co.jp screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

suijobus.co.jp

水上バス・東京湾クルーズ | 【公式】東京都観光汽船（TOKYO CRUISE）

Page Load Speed

4.2 sec in total

First Response

720 ms

Resources Loaded

3.2 sec

Page Rendered

291 ms

suijobus.co.jp screenshot

About Website

Click here to check amazing Suijobus content for Japan. Otherwise, check out these important facts you probably never knew about suijobus.co.jp

水上バスでの隅田川や東京湾での優雅なクルージングが楽しめます。チャーター・貸切クルーズ、初日の出やお花見船、隅田川花火大会、クリスマスクルーズなどのイベントクルーズなど、いつもとは違う確度から360°東京の景色を堪能することが出来ます

Visit suijobus.co.jp

Key Findings

We analyzed Suijobus.co.jp page load time and found that the first response time was 720 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

suijobus.co.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value16.0 s

1/100

10%

TBT (Total Blocking Time)

Value470 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value21.1 s

2/100

10%

Network Requests Diagram

suijobus.co.jp

720 ms

style.css

339 ms

home.css

344 ms

jquery.js

1079 ms

rollover.js

362 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Suijobus.co.jp, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Suijobus.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.2 kB (16%)

Content Size

930.7 kB

After Optimization

783.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Suijobus.co.jp main page is 930.7 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. 40% of websites need less resources to load. Images take 786.2 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 8.9 kB

  • Original 13.1 kB
  • After minification 11.8 kB
  • After compression 4.1 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 8.9 kB or 68% of the original size.

Image Optimization

-8%

Potential reduce by 61.4 kB

  • Original 786.2 kB
  • After minification 724.7 kB

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. Suijobus images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 67.9 kB

  • Original 120.3 kB
  • After minification 116.9 kB
  • After compression 52.4 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 67.9 kB or 56% of the original size.

CSS Optimization

-80%

Potential reduce by 8.9 kB

  • Original 11.2 kB
  • After minification 6.9 kB
  • After compression 2.2 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. Suijobus.co.jp needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (17%)

Requests Now

42

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Suijobus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

suijobus.co.jp

suijobus.co.jp

720 ms

style.css

style.css

339 ms

home.css

home.css

344 ms

jquery.js

jquery.js

1079 ms

rollover.js

rollover.js

362 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

553 ms

base.css

base.css

171 ms

font_size.css

font_size.css

721 ms

layout.css

layout.css

179 ms

bg.gif

bg.gif

175 ms

bg02.gif

bg02.gif

171 ms

today_operation.jpg

today_operation.jpg

741 ms

cnt_bnr02_0924.png

cnt_bnr02_0924.png

952 ms

cnt_ttl01.png

cnt_ttl01.png

182 ms

cnt_btn01.gif

cnt_btn01.gif

182 ms

cnt_ttl02.png

cnt_ttl02.png

674 ms

cnt_ttl06.gif

cnt_ttl06.gif

348 ms

cnt_img04.jpg

cnt_img04.jpg

540 ms

cnt_btn02.gif

cnt_btn02.gif

361 ms

cnt_ttl03.png

cnt_ttl03.png

522 ms

top_event_schedule.jpg

top_event_schedule.jpg

759 ms

cnt_ttl04.png

cnt_ttl04.png

695 ms

cnt_img03.jpg

cnt_img03.jpg

719 ms

cnt_btn04.gif

cnt_btn04.gif

842 ms

top_hotaruna.png

top_hotaruna.png

1042 ms

bnr_reserve_info_top.png

bnr_reserve_info_top.png

899 ms

bnr_reserve_kojin_top.png

bnr_reserve_kojin_top.png

922 ms

bnr_reserve_dantai_top.gif

bnr_reserve_dantai_top.gif

939 ms

cnt_ttl05.png

cnt_ttl05.png

1010 ms

cnt_img04.gif

cnt_img04.gif

1077 ms

cnt_img05.gif

cnt_img05.gif

1105 ms

cnt_img07_2.jpg

cnt_img07_2.jpg

1118 ms

cnt_img08.jpg

cnt_img08.jpg

1137 ms

copy.gif

copy.gif

1178 ms

cnt_bg14.jpg

cnt_bg14.jpg

1550 ms

cnt_bg13.jpg

cnt_bg13.jpg

1245 ms

cnt_bg02.png

cnt_bg02.png

1277 ms

cnt_bg03.png

cnt_bg03.png

1286 ms

cnt_bg07.png

cnt_bg07.png

1315 ms

cnt_bg05.png

cnt_bg05.png

1334 ms

cnt_bg06.png

cnt_bg06.png

1424 ms

ga.js

ga.js

31 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

suijobus.co.jp accessibility score

79

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

suijobus.co.jp best practices score

85

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

suijobus.co.jp SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Suijobus.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Suijobus.co.jp 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.

Social Sharing Optimization

suijobus.co.jp

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