Access kashima-arts.co.jp. 加島美術｜近世から現代までの日本美術専門の古美術商

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value53.4 s

0/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value35.0 s

0/100

10%

kashima-arts.co.jp

884 ms

top.css

507 ms

top_header.css

520 ms

top_footer.css

357 ms

jquery.slider.css

383 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 93% of them (65 requests) were addressed to the original Kashima-arts.co.jp, 3% (2 requests) were made to Kashima-arts.sakura.ne.jp and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Kashima-arts.co.jp.

Content Size

841.4 kB

After Optimization

758.3 kB

In fact, the total size of Kashima-arts.co.jp main page is 841.4 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. 30% of websites need less resources to load. Images take 763.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 10.4 kB

Original 14.4 kB
After minification 12.9 kB
After compression 4.0 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 1.6 kB, which is 11% 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 10.4 kB or 72% of the original size.

Image Optimization

-5%

Potential reduce by 35.6 kB

Original 763.5 kB
After minification 727.9 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. Kashima Arts images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 21.3 kB

Original 44.6 kB
After minification 39.5 kB
After compression 23.4 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 21.3 kB or 48% of the original size.

CSS Optimization

-84%

Potential reduce by 15.8 kB

Original 18.9 kB
After minification 14.5 kB
After compression 3.0 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. Kashima-arts.co.jp needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kashima Arts. 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 5 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

Links do not have a discernible name

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

High

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

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

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

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 Kashima-arts.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 Kashima-arts.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

kashima-arts.co.jp

Open Graph description is not detected on the main page of Kashima Arts. 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

加島美術｜近世から現代までの日本美術専門の古美術商

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

kashima-arts.co.jp

top.css

top_header.css

top_footer.css

jquery.slider.css

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

kashima-arts.co.jp

top.css

top_header.css

top_footer.css

jquery.slider.css

jquery.bxslider.css

css_browser_selector.js

jquery.min.js

jquery.slider.min.js

jquery.easing.1.3.js

jquery.bxSlider.min.js

toppage_manager.js

bg_main.png

form_email.html

logo_kashima_arts.gif

icon_navi.gif

ico_links3.gif

lang_ja_on.gif

lang_en_off.gif

back_navi.gif

navi_home_on.gif

navi_company.gif

navi_events.gif

navi_artist.gif

navi_gallery.gif

navi_space.gif

navi_media.gif

main_hamada.jpg

main_space.jpg

main_kaitori.jpg

con_title01.gif

con_img01.jpg

con_title02.gif

con_img02.jpg

con_title03.gif

con_img03.jpg

con_title04.gif

con_img04.jpg

topics.gif

pressrelease.gif

banner_burabura.jpg

mailnews.gif

account.gif