Access windsor-hotels.co.jp. ザ・ウィンザーホテル洞爺【公式】

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.31

38/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

windsor-hotels.co.jp

530 ms

windsor-hotels.co.jp

723 ms

1033 ms

js

70 ms

css

41 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 92% of them (86 requests) were addressed to the original Windsor-hotels.co.jp, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Windsor-hotels.co.jp.

Content Size

16.5 MB

After Optimization

16.2 MB

In fact, the total size of Windsor-hotels.co.jp main page is 16.5 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. 60% of websites need less resources to load. Images take 16.1 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 87.1 kB

Original 96.7 kB
After minification 83.8 kB
After compression 9.6 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 12.9 kB, which is 13% 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 87.1 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 125.4 kB

Original 16.1 MB
After minification 16.0 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. Windsor Hotels images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 43.4 kB

Original 188.5 kB
After minification 188.5 kB
After compression 145.2 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 43.4 kB or 23% of the original size.

CSS Optimization

-32%

Potential reduce by 10.7 kB

Original 33.9 kB
After minification 33.9 kB
After compression 23.2 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. Windsor-hotels.co.jp needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 32% of the original size.

Requests Now

After Optimization

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Windsor Hotels. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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 are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Windsor-hotels.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 Windsor-hotels.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

windsor-hotels.co.jp

Open Graph data is detected on the main page of Windsor Hotels. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

ザ・ウィンザーホテル洞爺【公式】 | 北海道の最高級リゾートホテル

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

windsor-hotels.co.jp

windsor-hotels.co.jp

js

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

windsor-hotels.co.jp

windsor-hotels.co.jp

js

css

common.css

logo_color.png

logo_s.png

mark_fb_black.svg

mark_is_black.svg

mark_tw_black.svg

mark_line_black.svg

mark_scroll.svg

3f6907c04d074bd5.png

bn_lavoute_lunch_cielo.jpg

bn_lavoute_lunch_buffet.png

jquery-1.11.0.min.js

jquery.easing.1.3.js

slick.min.js

common.js

jquery-ui.min.js

imagesloaded.pkgd.min.js

jquery.inview.min.js

top_2.js

magnific-popup.css

jquery.magnific-popup.min.js

6500000100720-310x200.jpg

UnkaiSunriseLobby-310x200.jpg

6500000100815-310x200.jpg

20230417_144506-310x200.jpg

20220613_125855-310x200.jpg

20220909_085737-1-310x200.jpg

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special_5-310x200.jpg

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middle_1_pc.jpg

middle_1_sp.jpg

middle_2_pc.jpg

js

analytics.js

collect

middle_2_sp.jpg