Report Summary

  • 17

    Performance

    Renders faster than
    36% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    29% of websites

  • 90

    SEO

    Google-friendlier than
    73% of websites

upon.co.jp

バスツアー(日帰り・宿泊)&格安夜行バス|アップオン

Page Load Speed

8.2 sec in total

First Response

589 ms

Resources Loaded

6.1 sec

Page Rendered

1.5 sec

upon.co.jp screenshot

About Website

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

アップオンは快適・格安な旅を提供します!格安高速バス・夜行バスを始め、東京ディズニーリゾート、ユニバーサル・スタジオ・ジャパン、富士急ハイランド、ナガシマスパーランドなどテーマパーク&アミューズメントパークへの格安ツアー満載♪

Visit upon.co.jp

Key Findings

We analyzed Upon.co.jp page load time and found that the first response time was 589 ms and then it took 7.6 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

upon.co.jp performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value1.283

1/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

upon.co.jp

589 ms

www.upon.co.jp

1848 ms

bootstrap.min.css

1442 ms

slider.css

366 ms

common.css

914 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 96% of them (50 requests) were addressed to the original Upon.co.jp, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Upon.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.1 kB (18%)

Content Size

1.9 MB

After Optimization

1.6 MB

In fact, the total size of Upon.co.jp main page is 1.9 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. 15% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 39.1 kB

  • Original 45.1 kB
  • After minification 23.4 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 21.7 kB, which is 48% 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 39.1 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 75.7 kB

  • Original 1.5 MB
  • After minification 1.5 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. Upon images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 113.4 kB

  • Original 171.8 kB
  • After minification 170.6 kB
  • After compression 58.4 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 113.4 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 111.0 kB

  • Original 134.8 kB
  • After minification 127.3 kB
  • After compression 23.8 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. Upon.co.jp needs all CSS files to be minified and compressed as it can save up to 111.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (36%)

Requests Now

50

After Optimization

32

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Upon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

upon.co.jp accessibility score

75

Accessibility Issues

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

Buttons do not have an accessible name

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.

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

upon.co.jp best practices score

58

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

upon.co.jp SEO score

90

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

    N/A

  • Encoding

    UTF-8

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

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