Tools & Wizards About Us
princehotels.co.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

princehotels.co.jp

HOME | ホテル予約　西武プリンスホテルズ＆リゾーツ

Page Load Speed

6.6 sec in total

First Response

164 ms

Resources Loaded

5.6 sec

Page Rendered

854 ms

princehotels.co.jp screenshot

About Website

Welcome to princehotels.co.jp homepage info - get ready to check Princehotels best content for Japan right away, or after learning these important things about princehotels.co.jp

西武プリンスホテルズ&リゾーツ 公式サイト。世界各国にあるホテル・ゴルフ・スキー場・レストランなどの最新情報、空室情報はこちらから。メンバー登録でベストレート保証などのお得な特典も。

Visit princehotels.co.jp

Key Findings

We analyzed Princehotels.co.jp page load time and found that the first response time was 164 ms and then it took 6.4 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

princehotels.co.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.9 s

0/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value11,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value42.4 s

0/100

10%

Network Requests Diagram

www.princehotels.co.jp

164 ms

error-page.css

10 ms

jquery-ui.css

20 ms

magnific-popup.css

30 ms

slick-theme.css

30 ms

Our browser made a total of 174 requests to load all elements on the main page. We found that 56% of them (98 requests) were addressed to the original Princehotels.co.jp, 9% (15 requests) were made to Googletagmanager.com and 2% (4 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source S.yimg.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 453.2 kB (9%)

Content Size

5.1 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Princehotels.co.jp main page is 5.1 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. Only a small number of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 129.9 kB

  • Original 154.8 kB
  • After minification 154.4 kB
  • After compression 24.9 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 129.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 250.4 kB

  • Original 4.5 MB
  • After minification 4.3 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. Princehotels images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 59.2 kB

  • Original 309.3 kB
  • After minification 309.1 kB
  • After compression 250.1 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 59.2 kB or 19% of the original size.

CSS Optimization

-12%

Potential reduce by 13.6 kB

  • Original 112.5 kB
  • After minification 112.5 kB
  • After compression 98.9 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. Princehotels.co.jp needs all CSS files to be minified and compressed as it can save up to 13.6 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 98 (59%)

Requests Now

166

After Optimization

68

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 166 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Princehotels. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.princehotels.co.jp

www.princehotels.co.jp

164 ms

error-page.css

error-page.css

10 ms

jquery-ui.css

jquery-ui.css

20 ms

magnific-popup.css

magnific-popup.css

30 ms

slick-theme.css

slick-theme.css

30 ms

slick.css

slick.css

19 ms

style.css

style.css

32 ms

style_add.css

style_add.css

61 ms

jquery.min.js

jquery.min.js

67 ms

jquery-ui.min.js

jquery-ui.min.js

80 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

80 ms

script.js

script.js

95 ms

slick.min.js

slick.min.js

80 ms

script_add.js

script_add.js

78 ms

ofi.min.js

ofi.min.js

101 ms

css

css

106 ms

font-awesome.min.css

font-awesome.min.css

100 ms

modaal.min.css

modaal.min.css

104 ms

modaal.min.js

modaal.min.js

99 ms

reserveList.js

reserveList.js

109 ms

login_contents.js

login_contents.js

102 ms

css2

css2

938 ms

satelliteLib-9954c899989b16c99bd6e82bffe178382f3997e2.js

satelliteLib-9954c899989b16c99bd6e82bffe178382f3997e2.js

940 ms

_Incapsula_Resource

_Incapsula_Resource

102 ms

gtm.js

gtm.js

301 ms

EXd847471be35e42c993fb9532a7f2e950-libraryCode_source.min.js

EXd847471be35e42c993fb9532a7f2e950-libraryCode_source.min.js

66 ms

sp_header_menu_btn.png

sp_header_menu_btn.png

61 ms

sp_header_search_btn.png

sp_header_search_btn.png

42 ms

header_logo_home.png

header_logo_home.png

102 ms

header_logo.png

header_logo.png

100 ms

icon_arrow_bottom_07.png

icon_arrow_bottom_07.png

279 ms

icon_free.png

icon_free.png

42 ms

header_seibu_home.png

header_seibu_home.png

45 ms

top_taiken230316_640_980.jpg

top_taiken230316_640_980.jpg

108 ms

top_taiken230316_2000_910.jpg

top_taiken230316_2000_910.jpg

103 ms

top_season_sp01.jpg

top_season_sp01.jpg

106 ms

top_season01.jpg

top_season01.jpg

115 ms

top_season_sp02.jpg

top_season_sp02.jpg

103 ms

top_season02.jpg

top_season02.jpg

108 ms

scroll.png

scroll.png

107 ms

top_gw2024_890x501.jpg

top_gw2024_890x501.jpg

110 ms

top_240326summer_890x501.jpg

top_240326summer_890x501.jpg

111 ms

top_psi_sakae_890x501.jpg

top_psi_sakae_890x501.jpg

111 ms

top_res_spring_890x501.jpg

top_res_spring_890x501.jpg

111 ms

bg_sakura_890x501.jpg

bg_sakura_890x501.jpg

114 ms

top_goodtomorrow_890x501.jpg

top_goodtomorrow_890x501.jpg

113 ms

top_210825bestrate_890x501.jpg

top_210825bestrate_890x501.jpg

114 ms

top_sprint2024_890x501.jpg

top_sprint2024_890x501.jpg

115 ms

top_service_hotel.jpg

top_service_hotel.jpg

116 ms

top_service_restaurant.jpg

top_service_restaurant.jpg

116 ms

top_service_mice.jpg

top_service_mice.jpg

116 ms

top_service_wedding.jpg

top_service_wedding.jpg

118 ms

top_service_golf.jpg

top_service_golf.jpg

118 ms

top_service_ski.jpg

top_service_ski.jpg

118 ms

top_service_onsen.jpg

top_service_onsen.jpg

119 ms

top_service_pool.jpg

top_service_pool.jpg

121 ms

2019_6_134_nfph.jpg

2019_6_134_nfph.jpg

120 ms

top_region_06.png

top_region_06.png

122 ms

top_region_05.png

top_region_05.png

124 ms

top_hakone_icon_2024.jpg

top_hakone_icon_2024.jpg

123 ms

top_region_03.png

top_region_03.png

125 ms

top_region_mtnaeba03.jpg

top_region_mtnaeba03.jpg

124 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

72 ms

top_gallery_01_2.png

top_gallery_01_2.png

94 ms

top_gallery_02.jpg

top_gallery_02.jpg

90 ms

top_gallery_03.jpg

top_gallery_03.jpg

90 ms

top_gallery_04.jpg

top_gallery_04.jpg

160 ms

top_gallery_05.jpg

top_gallery_05.jpg

154 ms

club_bg.jpg

club_bg.jpg

156 ms

club_bg_sp.jpg

club_bg_sp.jpg

153 ms

info_logo.jpg

info_logo.jpg

154 ms

top_release_240422_01_shinyoko.jpg

top_release_240422_01_shinyoko.jpg

643 ms

top_release_240419_03_otsu.jpg

top_release_240419_03_otsu.jpg

642 ms

top_release_240419_01_naeba.jpg

top_release_240419_01_naeba.jpg

833 ms

top_hokkaido-area.jpg

top_hokkaido-area.jpg

148 ms

lions.jpg

lions.jpg

149 ms

MakeIT2023_890-501yt230601_1345.jpg

MakeIT2023_890-501yt230601_1345.jpg

150 ms

golf_laundry_bag.jpg

golf_laundry_bag.jpg

148 ms

bnr_top_access_02.png

bnr_top_access_02.png

149 ms

bnr_top_access_03_1.png

bnr_top_access_03_1.png

149 ms

bnr_top_access_06.png

bnr_top_access_06.png

149 ms

pagetop.png

pagetop.png

148 ms

footer_bnr_app.png

footer_bnr_app.png

149 ms

footer_bnr_google.png

footer_bnr_google.png

149 ms

footer_bnr_05.png

footer_bnr_05.png

149 ms

footer_bnr_01.png

footer_bnr_01.png

147 ms

footer_bnr_02.png

footer_bnr_02.png

148 ms

footer_bnr_03.png

footer_bnr_03.png

150 ms

footer_bnr_04.png

footer_bnr_04.png

148 ms

icon_arrow_bottom_03.png

icon_arrow_bottom_03.png

148 ms

icon_arrow_right_02.png

icon_arrow_right_02.png

146 ms

icon_arrow_right_10.png

icon_arrow_right_10.png

147 ms

icon_arrow_right_06.png

icon_arrow_right_06.png

146 ms

icon_arrow_right_04.png

icon_arrow_right_04.png

146 ms

icon_pdf.png

icon_pdf.png

146 ms

icon_blank.png

icon_blank.png

146 ms

icon_search_02.png

icon_search_02.png

145 ms

icon_close.png

icon_close.png

145 ms

icon_open.png

icon_open.png

145 ms

font

font

228 ms

slider_prev_03.png

slider_prev_03.png

167 ms

slider_next_03.png

slider_next_03.png

164 ms

slider_prev_04.png

slider_prev_04.png

165 ms

slider_next_04.png

slider_next_04.png

166 ms

loading.gif

loading.gif

166 ms

js

js

177 ms

ytag.js

ytag.js

1236 ms

fbevents.js

fbevents.js

276 ms

destination

destination

362 ms

destination

destination

359 ms

analytics.js

analytics.js

526 ms

destination

destination

348 ms

destination

destination

523 ms

destination

destination

666 ms

destination

destination

471 ms

destination

destination

609 ms

uwt.js

uwt.js

732 ms

evergage.min.js

evergage.min.js

665 ms

index.js

index.js

603 ms

u

u

737 ms

3mbmxzbe

3mbmxzbe

742 ms

lt.js

lt.js

661 ms

events.js

events.js

660 ms

g9s7pgeolo

g9s7pgeolo

608 ms

font

font

908 ms

_Incapsula_Resource

_Incapsula_Resource

196 ms

collect

collect

153 ms

err.gif

err.gif

860 ms

main.MTIyYzc3NzllNA.js

main.MTIyYzc3NzllNA.js

242 ms

collect

collect

17 ms

clarity.js

clarity.js

16 ms

s01873236221726

s01873236221726

7 ms

adsct

adsct

380 ms

adsct

adsct

378 ms

ga-audiences

ga-audiences

232 ms

3mbmxzbe

3mbmxzbe

100 ms

js

js

68 ms

pixel.js

pixel.js

117 ms

err.gif

err.gif

658 ms

js

js

53 ms

js

js

35 ms

p

p

699 ms

smallest.png

smallest.png

24 ms

js

js

36 ms

js

js

33 ms

segmentation.js

segmentation.js

139 ms

js

js

68 ms

beacon

beacon

619 ms

smallest.png

smallest.png

6 ms

p

p

681 ms

adsct

adsct

115 ms

adsct

adsct

113 ms

cmt.js

cmt.js

69 ms

adsct

adsct

105 ms

adsct

adsct

43 ms

smallest.png

smallest.png

4 ms

cnt

cnt

821 ms

adsct

adsct

133 ms

adsct

adsct

194 ms

p

p

592 ms

beacon.html

beacon.html

49 ms

pixel

pixel

84 ms

tap.php

tap.php

73 ms

Pug

Pug

68 ms

set

set

297 ms

pixel

pixel

88 ms

sd

sd

6 ms

c.gif

c.gif

8 ms

pixel

pixel

24 ms

pixel

pixel

19 ms

sync

sync

758 ms

report

report

792 ms

bounce

bounce

12 ms

sync

sync

376 ms

Accessibility Review

princehotels.co.jp accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

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

Impact

Issue

High

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

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

princehotels.co.jp best practices score

67

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

princehotels.co.jp SEO score

80

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

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 Princehotels.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 Princehotels.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

princehotels.co.jp

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