Access keioplaza.co.jp. 東京のホテルなら京王プラザホテル【公式】

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value3,360 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.153

75/100

15%

TTI (Time to Interactive)

Value41.6 s

0/100

10%

keioplaza.co.jp

1359 ms

import.css

389 ms

font_medium.css

393 ms

prototype.js

1772 ms

default.js

585 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 97% of them (116 requests) were addressed to the original Keioplaza.co.jp, 3% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Keioplaza.co.jp.

Content Size

1.1 MB

After Optimization

847.3 kB

In fact, the total size of Keioplaza.co.jp main page is 1.1 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. 20% of websites need less resources to load. Images take 772.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 30.4 kB

Original 39.1 kB
After minification 30.8 kB
After compression 8.7 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 8.3 kB, which is 21% 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 30.4 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 734 B

Original 772.1 kB
After minification 771.3 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. Keioplaza images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 168.8 kB

Original 226.4 kB
After minification 190.2 kB
After compression 57.6 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 168.8 kB or 75% of the original size.

CSS Optimization

-89%

Potential reduce by 74.7 kB

Original 84.3 kB
After minification 69.9 kB
After compression 9.6 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. Keioplaza.co.jp needs all CSS files to be minified and compressed as it can save up to 74.7 kB or 89% of the original size.

Requests Now

118

After Optimization

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keioplaza. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 9 to 1 for CSS 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

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 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>).

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

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 Keioplaza.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 Keioplaza.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

keioplaza.co.jp

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

東京のホテルなら京王プラザホテル【公式】

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

keioplaza.co.jp

import.css

font_medium.css

prototype.js

default.js

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

keioplaza.co.jp

import.css

font_medium.css

prototype.js

default.js

top.css

swfobject.js

smart_form.js

reset.css

base.css

parts.css

css_switch.js

rollover.js

effects.js

auto-scroll.js

analytics.js

header_bg_001.gif

header_logo_001.gif

header_img_001.gif

header_img_002.gif

header_img_003.gif

header_img_004.gif

header_img_005.gif

header_txt_001.gif

header_img_006.gif

header_img_007.gif

header_img_008.gif

gnav_bg_001.gif

gnav_img_001.jpg

gnav_img_002.jpg

gnav_img_003.jpg

gnav_img_004.jpg

gnav_img_005.jpg

gnav_img_006.jpg

main_bg_001.gif

index_img_012.jpg

index_h2_004.gif

sp.gif

main_arr_007.gif

index_h2_001.gif

index_txt_005.gif

12_45th.jpg

main_ico_001.gif