Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

bigwave-okutama.com

奥多摩ラフティング 4480円(税込)|ビッグウェーブ青梅店

Page Load Speed

7.4 sec in total

First Response

709 ms

Resources Loaded

6.2 sec

Page Rendered

496 ms

bigwave-okutama.com screenshot

About Website

Click here to check amazing Bigwave Okutama content. Otherwise, check out these important facts you probably never knew about bigwave-okutama.com

奥多摩でラフティング。関東の中でも東京都心から一番近いラフティングのフィールド。御岳山からも近い多摩川上流部にてラフティングツアー開催。ファミリーラフティングおすすめスポット。ツアー料金には写真動画付き。関東でのラフティングツアー東京ビッグウェーブ

Visit bigwave-okutama.com

Key Findings

We analyzed Bigwave-okutama.com page load time and found that the first response time was 709 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

bigwave-okutama.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value20.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.494

17/100

15%

TTI (Time to Interactive)

Value27.9 s

0/100

10%

Network Requests Diagram

bigwave-okutama.com

709 ms

www.bigwave-okutama.com

947 ms

reset.css

321 ms

base.css

484 ms

slider.css

323 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 75% of them (33 requests) were addressed to the original Bigwave-okutama.com, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Bigwave-okutama.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 372.6 kB (62%)

Content Size

604.3 kB

After Optimization

231.6 kB

In fact, the total size of Bigwave-okutama.com main page is 604.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. CSS take 250.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 13.0 kB

  • Original 18.5 kB
  • After minification 16.1 kB
  • After compression 5.5 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 2.4 kB, which is 13% 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 13.0 kB or 70% of the original size.

Image Optimization

-12%

Potential reduce by 12.1 kB

  • Original 104.5 kB
  • After minification 92.3 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. Obviously, Bigwave Okutama needs image optimization as it can save up to 12.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 140.3 kB

  • Original 230.8 kB
  • After minification 229.9 kB
  • After compression 90.5 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 140.3 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 207.3 kB

  • Original 250.5 kB
  • After minification 248.8 kB
  • After compression 43.3 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. Bigwave-okutama.com needs all CSS files to be minified and compressed as it can save up to 207.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (24%)

Requests Now

38

After Optimization

29

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bigwave Okutama. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bigwave-okutama.com accessibility score

83

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 valid value for its [lang] attribute.

Best Practices

bigwave-okutama.com best practices score

50

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bigwave-okutama.com SEO score

81

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bigwave-okutama.com 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 Bigwave-okutama.com 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 Bigwave Okutama. 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: