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vision-tokyo.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

vision-tokyo.com

One moment, please...

Page Load Speed

8.3 sec in total

First Response

2.2 sec

Resources Loaded

5.8 sec

Page Rendered

218 ms

vision-tokyo.com screenshot

About Website

Welcome to vision-tokyo.com homepage info - get ready to check Vision Tokyo best content for Japan right away, or after learning these important things about vision-tokyo.com

SOUND MUSEUM VISION - 渋谷の地下に広がるこの巨大なスペースには、さまざまな表情があります。

Visit vision-tokyo.com

Key Findings

We analyzed Vision-tokyo.com page load time and found that the first response time was 2.2 sec 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

vision-tokyo.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

vision-tokyo.com

2206 ms

import.css

170 ms

modernizr-2.6.2.min.js

338 ms

video-js.css

506 ms

video.js

676 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that all of those requests were addressed to Vision-tokyo.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Vision-tokyo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.1 kB (14%)

Content Size

665.4 kB

After Optimization

571.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vision-tokyo.com main page is 665.4 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. 25% of websites need less resources to load. Images take 399.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 54.2 kB

  • Original 63.5 kB
  • After minification 48.2 kB
  • After compression 9.3 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 15.3 kB, which is 24% 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 54.2 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 22.6 kB

  • Original 399.9 kB
  • After minification 377.3 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. Vision Tokyo images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 6.8 kB

  • Original 170.5 kB
  • After minification 170.5 kB
  • After compression 163.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-33%

Potential reduce by 10.5 kB

  • Original 31.5 kB
  • After minification 31.5 kB
  • After compression 21.0 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. Vision-tokyo.com needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (24%)

Requests Now

49

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision Tokyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vision-tokyo.com

vision-tokyo.com

2206 ms

import.css

import.css

170 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

338 ms

video-js.css

video-js.css

506 ms

video.js

video.js

676 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

681 ms

plugins.js

plugins.js

860 ms

main.js

main.js

519 ms

fonts.css

fonts.css

356 ms

common.css

common.css

505 ms

template.css

template.css

525 ms

jquery.bxslider.css

jquery.bxslider.css

531 ms

owl.carousel.css

owl.carousel.css

684 ms

main.css

main.css

675 ms

utility.css

utility.css

694 ms

logo_header.png

logo_header.png

170 ms

arr_down.png

arr_down.png

176 ms

ico_search.png

ico_search.png

193 ms

ico_share.png

ico_share.png

198 ms

logo_single.png

logo_single.png

195 ms

ico_close_sm.png

ico_close_sm.png

195 ms

share_fb.png

share_fb.png

338 ms

share_tw.png

share_tw.png

350 ms

share_line.png

share_line.png

360 ms

share_message.png

share_message.png

361 ms

placeholder.gif

placeholder.gif

363 ms

bg_grid.png

bg_grid.png

370 ms

noimg.jpg

noimg.jpg

506 ms

arr_left.png

arr_left.png

524 ms

arr_right.png

arr_right.png

540 ms

about_map.jpg

about_map.jpg

708 ms

circlebar_l.jpg

circlebar_l.jpg

715 ms

placeholder100.gif

placeholder100.gif

558 ms

ico_tw.png

ico_tw.png

674 ms

ico_fb.png

ico_fb.png

699 ms

ico_in.png

ico_in.png

707 ms

ico_mxcloud.png

ico_mxcloud.png

731 ms

ico_line.png

ico_line.png

842 ms

ico_forbidden.png

ico_forbidden.png

1048 ms

logo_footer.png

logo_footer.png

875 ms

btn_mis.gif

btn_mis.gif

877 ms

btn_con.gif

btn_con.gif

885 ms

btn_br.gif

btn_br.gif

904 ms

btn_frames.gif

btn_frames.gif

1013 ms

btn_wrep.gif

btn_wrep.gif

1043 ms

btn_freedom.gif

btn_freedom.gif

1045 ms

btn_gh.gif

btn_gh.gif

1053 ms

helveticaneueltstd-bd-webfont.woff

helveticaneueltstd-bd-webfont.woff

970 ms

helveticaneueltstd-lt-webfont.woff

helveticaneueltstd-lt-webfont.woff

1074 ms

home_video_cover.jpg

home_video_cover.jpg

1746 ms

no_artist_img.gif

no_artist_img.gif

708 ms

bx_loader.gif

bx_loader.gif

170 ms

controls-nav.png

controls-nav.png

176 ms

Accessibility Review

vision-tokyo.com accessibility score

77

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

vision-tokyo.com best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vision-tokyo.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vision-tokyo.com 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 Vision-tokyo.com 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

vision-tokyo.com

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