Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

izu-hakone.travel.rakuten.co.jp

伊豆・箱根 - 旅行・温泉・観光情報 宿泊予約【楽天トラベル】

Page Load Speed

7.5 sec in total

First Response

788 ms

Resources Loaded

6.1 sec

Page Rendered

540 ms

izu-hakone.travel.rakuten.co.jp screenshot

About Website

Visit izu-hakone.travel.rakuten.co.jp now to see the best up-to-date Izu Hakone Travel Rakuten content for Japan and also check out these interesting facts you probably never knew about izu-hakone.travel.rakuten.co.jp

伊豆・箱根への旅行をお探しなら楽天トラベルへ!伊豆・箱根のホテル・旅館や温泉宿の予約をはじめ、ツアーやレンタカー、観光情報などをご用意。お得な特集やキャンペーン情報も充実しています!

Visit izu-hakone.travel.rakuten.co.jp

Key Findings

We analyzed Izu-hakone.travel.rakuten.co.jp page load time and found that the first response time was 788 ms and then it took 6.7 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

izu-hakone.travel.rakuten.co.jp performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

izu-hakone.travel.rakuten.co.jp

788 ms

800 ms

style-pc.css

359 ms

styles.css

341 ms

util.calendar.css

350 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Izu-hakone.travel.rakuten.co.jp, 57% (66 requests) were made to Img.travel.rakuten.co.jp and 10% (12 requests) were made to Travel.rakuten.co.jp. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Img.travel.rakuten.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (51%)

Content Size

2.0 MB

After Optimization

1.0 MB

In fact, the total size of Izu-hakone.travel.rakuten.co.jp main page is 2.0 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. 65% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 165.5 kB

  • Original 203.5 kB
  • After minification 194.7 kB
  • After compression 38.0 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 165.5 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 38.8 kB

  • Original 672.3 kB
  • After minification 633.4 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. Izu Hakone Travel Rakuten images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 715.8 kB

  • Original 1.0 MB
  • After minification 961.9 kB
  • After compression 314.6 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 715.8 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 121.5 kB

  • Original 140.5 kB
  • After minification 120.1 kB
  • After compression 19.0 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. Izu-hakone.travel.rakuten.co.jp needs all CSS files to be minified and compressed as it can save up to 121.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (50%)

Requests Now

114

After Optimization

57

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izu Hakone Travel Rakuten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

izu-hakone.travel.rakuten.co.jp accessibility score

80

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

ARIA

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.

Impact

Issue

High

ARIA IDs are not unique

Tables and lists

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

Impact

Issue

High

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

Best Practices

izu-hakone.travel.rakuten.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

izu-hakone.travel.rakuten.co.jp SEO score

92

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

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

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Izu-hakone.travel.rakuten.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 Izu-hakone.travel.rakuten.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

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