Tools & Wizards About Us
kamakura-arts.or.jp screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

kamakura-arts.or.jp

公益財団法人鎌倉市芸術文化振興財団 鎌倉市芸術文化振興財団

Page Load Speed

3.9 sec in total

First Response

589 ms

Resources Loaded

2.9 sec

Page Rendered

367 ms

kamakura-arts.or.jp screenshot

About Website

Welcome to kamakura-arts.or.jp homepage info - get ready to check Kamakura Arts best content right away, or after learning these important things about kamakura-arts.or.jp

当財団は神奈川県知事から公益法人の認定を受け、平成24年4月1日より公益財団法人として、新たなスタートを切りました。今後は当財団の設立趣旨である「鎌倉市における芸術文化の向上と振興を図ると共に、市民の芸術文化活動の育成・支援」に一層力を入れ、豊かで格調高い地域文化の形成と発展に貢献してまいります。

Visit kamakura-arts.or.jp

Key Findings

We analyzed Kamakura-arts.or.jp page load time and found that the first response time was 589 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

kamakura-arts.or.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value32.6 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

kamakura-arts.or.jp

589 ms

style.css

198 ms

kml.js

346 ms

mm_menu.js

588 ms

back.gif

198 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Kamakura-arts.or.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Kamakura-arts.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.5 kB (55%)

Content Size

73.5 kB

After Optimization

33.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kamakura-arts.or.jp main page is 73.5 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. 20% of websites need less resources to load. Javascripts take 30.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 14.8 kB

  • Original 18.8 kB
  • After minification 15.5 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 3.3 kB, which is 17% 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 14.8 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 26 B

  • Original 23.1 kB
  • After minification 23.0 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. Kamakura Arts images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 25.0 kB

  • Original 30.7 kB
  • After minification 24.9 kB
  • After compression 5.8 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 25.0 kB or 81% of the original size.

CSS Optimization

-72%

Potential reduce by 699 B

  • Original 974 B
  • After minification 722 B
  • After compression 275 B

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. Kamakura-arts.or.jp needs all CSS files to be minified and compressed as it can save up to 699 B or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (41%)

Requests Now

34

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kamakura Arts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

kamakura-arts.or.jp

kamakura-arts.or.jp

589 ms

style.css

style.css

198 ms

kml.js

kml.js

346 ms

mm_menu.js

mm_menu.js

588 ms

back.gif

back.gif

198 ms

00.gif

00.gif

211 ms

header01.gif

header01.gif

345 ms

side1a.gif

side1a.gif

369 ms

menu1.gif

menu1.gif

381 ms

menu2.gif

menu2.gif

392 ms

menu3.gif

menu3.gif

901 ms

menu4.gif

menu4.gif

418 ms

kage.gif

kage.gif

516 ms

photo.jpg

photo.jpg

735 ms

news.gif

news.gif

569 ms

right01.gif

right01.gif

586 ms

right02.gif

right02.gif

628 ms

bungakukan.gif

bungakukan.gif

687 ms

right03.gif

right03.gif

757 ms

right04.gif

right04.gif

782 ms

right05.gif

right05.gif

836 ms

kaburaki.gif

kaburaki.gif

883 ms

right06.gif

right06.gif

917 ms

right07.gif

right07.gif

947 ms

copytitle.gif

copytitle.gif

976 ms

haruno.gif

haruno.gif

1044 ms

side2a.gif

side2a.gif

1055 ms

footer01.gif

footer01.gif

1095 ms

in_news.html

in_news.html

1294 ms

side1.gif

side1.gif

1125 ms

side2.gif

side2.gif

1161 ms

y.gif

y.gif

211 ms

pdf.gif

pdf.gif

174 ms

yohaku.gif

yohaku.gif

198 ms

menu1b.gif

menu1b.gif

198 ms

menu2b.gif

menu2b.gif

211 ms

Accessibility Review

kamakura-arts.or.jp accessibility score

94

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

Links do not have a discernible name

Best Practices

kamakura-arts.or.jp best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kamakura-arts.or.jp SEO score

85

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kamakura-arts.or.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 Kamakura-arts.or.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

kamakura-arts.or.jp

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