Access tokyo-buc.com. 東京ビュックBUC | 東京銀座のオーナーズホテル

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.497

16/100

15%

TTI (Time to Interactive)

Value5.8 s

66/100

10%

tokyo-buc.com

359 ms

tokyo-buc.com

740 ms

bace.css

182 ms

contents.css

364 ms

DropDownMenu.css

513 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 94% of them (48 requests) were addressed to the original Tokyo-buc.com, 4% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Tokyo-buc.com.

Content Size

2.2 MB

After Optimization

1.2 MB

In fact, the total size of Tokyo-buc.com main page is 2.2 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. 30% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 14.9 kB

Original 18.4 kB
After minification 10.4 kB
After compression 3.4 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 8.0 kB, which is 44% 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 14.9 kB or 81% of the original size.

Image Optimization

-49%

Potential reduce by 1.0 MB

Original 2.1 MB
After minification 1.1 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. Obviously, Tokyo Buc needs image optimization as it can save up to 1.0 MB or 49% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 3.3 kB

Original 63.6 kB
After minification 63.6 kB
After compression 60.3 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

-37%

Potential reduce by 4.4 kB

Original 11.7 kB
After minification 11.1 kB
After compression 7.3 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. Tokyo-buc.com needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 37% of the original size.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tokyo Buc. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Tokyo-buc.com 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 Tokyo-buc.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

tokyo-buc.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

東京ビュックBUC | 東京銀座のオーナーズホテル

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

tokyo-buc.com

tokyo-buc.com

bace.css

contents.css

DropDownMenu.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tokyo-buc.com

tokyo-buc.com

bace.css

contents.css

DropDownMenu.css

DropDownMenu.js

open.js

swfobject.js

jquery.min.js

jquery.bxslider.min.js

jquery.bxslider.css

ga.js

ber.jpg

topber.jpg

toplogo.png

sns.png

topnavi1.jpg

topnavi2.jpg

topnavi3.jpg

gb1.jpg

gb2.jpg

gb3.jpg

gb4.jpg

gb5.jpg

slide2021-1.png

slide2021-2.png

slide3.png

topb1.jpg

topb2.jpg

topb3.jpg

whatsnew.png

dotto.png

banner1.jpg

banner2.jpg

banner3.jpg

banner6.png

banner5.jpg

under_ber.png

bx_loader.gif

__utm.gif

gb1_on.jpg

gb2_on.jpg

gb3_on.jpg