Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

big-fun.jp

BIGFUN平和島 | 各種アミューズメント施設や和・洋・中の飲食店が集まるレジャーランド

Page Load Speed

7.7 sec in total

First Response

769 ms

Resources Loaded

6.7 sec

Page Rendered

218 ms

About Website

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

東京都にある複合アミューズメント施設「BIGFUN平和島」は、各種アミューズメント施設や和・洋・中の飲食店が集まる楽しさ満載のレジャーランドです。たっぷり遊んだ後は天然温泉で疲れを癒やすこともでき、カップルからご家族まで充実した一日を過ごせます。

Visit big-fun.jp

Key Findings

We analyzed Big-fun.jp page load time and found that the first response time was 769 ms and then it took 6.9 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

big-fun.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.352

31/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

big-fun.jp

769 ms

default_preset.css

321 ms

default_layout.css

660 ms

tenthanniversary_banner.css

514 ms

rollover.js

348 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Big-fun.jp, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Big-fun.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.2 kB (3%)

Content Size

1.7 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Big-fun.jp main page is 1.7 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 10% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.9 kB

  • Original 8.7 kB
  • After minification 7.4 kB
  • After compression 2.8 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 1.4 kB, which is 16% 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 5.9 kB or 68% of the original size.

Image Optimization

-2%

Potential reduce by 34.5 kB

  • Original 1.7 MB
  • After minification 1.6 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. Big Fun images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 1.4 kB

  • Original 7.5 kB
  • After minification 7.4 kB
  • After compression 6.1 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 1.4 kB or 18% of the original size.

CSS Optimization

-86%

Potential reduce by 14.3 kB

  • Original 16.7 kB
  • After minification 8.7 kB
  • After compression 2.4 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. Big-fun.jp needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big Fun. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

big-fun.jp accessibility score

87

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 input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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

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

Links do not have a discernible name

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

big-fun.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

big-fun.jp SEO score

92

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 doesn't use 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 Big-fun.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 Big-fun.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 description is not detected on the main page of Big Fun. 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: