Access katsuraya-boat.jp. 山中湖かつらやボートハウス〜富士山麓・山中湖マリンジェット&ジェットスキー / ウェイクボード / モーターボート / わかさぎドーム船

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

katsuraya-boat.jp

986 ms

style.css

604 ms

layout.css

478 ms

jquery.js

957 ms

jquery.page-scroller.js

506 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 59% of them (41 requests) were addressed to the original Katsuraya-boat.jp, 17% (12 requests) were made to Maps.googleapis.com and 6% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Katsuraya-boat.jp.

Content Size

1.3 MB

After Optimization

723.5 kB

In fact, the total size of Katsuraya-boat.jp main page is 1.3 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. 50% of websites need less resources to load. Javascripts take 785.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 13.3 kB

Original 17.8 kB
After minification 16.8 kB
After compression 4.5 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. 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 13.3 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 3.8 kB

Original 465.2 kB
After minification 461.4 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. Katsuraya Boat images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 532.4 kB

Original 785.2 kB
After minification 783.2 kB
After compression 252.8 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 532.4 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 23.5 kB

Original 28.3 kB
After minification 22.9 kB
After compression 4.8 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. Katsuraya-boat.jp needs all CSS files to be minified and compressed as it can save up to 23.5 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katsuraya Boat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

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

High

Image elements do not have [alt] attributes

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Katsuraya-boat.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 Katsuraya-boat.jp main page’s claimed encoding is euc-jp. 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

katsuraya-boat.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

山中湖 かつらやボートハウス〜富士山麓・山中湖 マリンジェット&ジェットスキー / ウェイクボード / モーターボート / わかさぎドーム船

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

katsuraya-boat.jp

style.css

layout.css

jquery.js

jquery.page-scroller.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

katsuraya-boat.jp

style.css

layout.css

jquery.js

jquery.page-scroller.js

jshowoff.css

jquery.jshowoff.min.js

logo.gif

header_contact.gif

mail.gif

contactlogo5.gif

head_sub_navi_01.gif

head_sub_navi_02.gif

head_sub_navi_03.gif

head_sub_navi_04.gif

head_sub_navi_05.gif

index_headline_bg_img.gif

border_title_bg_img.gif

title_jet.gif

menu_bg_color.gif

title_wake.gif

title_wakasagi.gif

title_other.gif

weather.jpg

seastyle.jpg

index_main_img_01.jpg

index_main_img_04.jpg

title_mokuteki.gif

index_main_menu_titie_jet.png

index_main_menu_titie_wake.png

index_main_menu_titie_boat.png

index_main_menu_titie_banana.png

index_main_menu_titie_wakasagi.png

index_main_menu_titie_yamaha.png

index_main_menu_titie_mochikomi.png

index_main_menu_titie_hokan.png

title_tushin.gif

arrow_gray.png

title_access.gif

pagetop.gif

maps

pagetop_bg_img.gif

ga.js

山中湖かつらやボートハウス〜富士山麓・山中湖マリンジェット&ジェットスキー / ウェイクボード / モーターボート / わかさぎドーム船