Report Summary

  • 22

    Performance

    Renders faster than
    42% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 98

    SEO

    Google-friendlier than
    94% of websites

tripadvisor.jp

トリップアドバイザー: ホテル、観光スポット、レストランの10億件を超える口コミや投稿

Page Load Speed

2.1 sec in total

First Response

612 ms

Resources Loaded

1.1 sec

Page Rendered

378 ms

tripadvisor.jp screenshot

About Website

Visit tripadvisor.jp now to see the best up-to-date Tripadvisor content for Japan and also check out these interesting facts you probably never knew about tripadvisor.jp

次の旅行の計画に。口コミをチェックして、おすすめの宿泊施設や観光スポットについてのアドバイスを入手。 ホテルのお得な料金を見つけて、ぴったりのツアーやアトラクション、人気のレストランを予約できます。

Visit tripadvisor.jp

Key Findings

We analyzed Tripadvisor.jp page load time and found that the first response time was 612 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

tripadvisor.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value5,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value27.7 s

0/100

10%

Network Requests Diagram

tripadvisor.jp

612 ms

www.tripadvisor.jp

251 ms

home_2011_meta-ja-v2523175014b.css

87 ms

registration-v22849831835b.css

107 ms

white-drawn-ollie.png

80 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Tripadvisor.jp, 94% (31 requests) were made to Static.tacdn.com. The less responsive or slowest element that took the longest time to load (612 ms) belongs to the original domain Tripadvisor.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (60%)

Content Size

3.1 MB

After Optimization

1.2 MB

In fact, the total size of Tripadvisor.jp main page is 3.1 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. 70% of websites need less resources to load. Javascripts take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 106.7 kB

  • Original 144.9 kB
  • After minification 143.7 kB
  • After compression 38.2 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 106.7 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 26.9 kB

  • Original 597.3 kB
  • After minification 570.4 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. Tripadvisor images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 1.5 MB

  • Original 2.0 MB
  • After minification 2.0 MB
  • After compression 557.7 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 1.5 MB or 72% of the original size.

CSS Optimization

-81%

Potential reduce by 243.6 kB

  • Original 301.1 kB
  • After minification 297.8 kB
  • After compression 57.5 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. Tripadvisor.jp needs all CSS files to be minified and compressed as it can save up to 243.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

31

After Optimization

28

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tripadvisor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tripadvisor.jp accessibility score

85

Accessibility Issues

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-*] attributes do not match their roles

High

[aria-*] attributes do not have valid values

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

tripadvisor.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tripadvisor.jp SEO score

98

Search Engine Optimization Advices

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

    UTF-8

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

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