Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

kyoto-symphony.jp

京都市交響楽団

Page Load Speed

3.3 sec in total

First Response

482 ms

Resources Loaded

2.6 sec

Page Rendered

182 ms

kyoto-symphony.jp screenshot

About Website

Visit kyoto-symphony.jp now to see the best up-to-date Kyoto Symphony content for Japan and also check out these interesting facts you probably never knew about kyoto-symphony.jp

1956年4月に日本で唯一の自治体直営のオーケストラとして創立された京都市交響楽団の公式サイト。

Visit kyoto-symphony.jp

Key Findings

We analyzed Kyoto-symphony.jp page load time and found that the first response time was 482 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

kyoto-symphony.jp performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value450 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

kyoto-symphony.jp

482 ms

import.css

177 ms

rollover.js

345 ms

menu.js

350 ms

swfobject_modified.js

524 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that all of those requests were addressed to Kyoto-symphony.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Kyoto-symphony.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.3 kB (14%)

Content Size

320.7 kB

After Optimization

274.4 kB

In fact, the total size of Kyoto-symphony.jp main page is 320.7 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. 15% of websites need less resources to load. Images take 264.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 7.7 kB

  • Original 11.1 kB
  • After minification 10.0 kB
  • After compression 3.4 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 7.7 kB or 69% of the original size.

Image Optimization

-1%

Potential reduce by 2.0 kB

  • Original 264.6 kB
  • After minification 262.5 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. Kyoto Symphony images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 20.8 kB

  • Original 25.6 kB
  • After minification 15.5 kB
  • After compression 4.8 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 20.8 kB or 81% of the original size.

CSS Optimization

-81%

Potential reduce by 15.7 kB

  • Original 19.4 kB
  • After minification 13.4 kB
  • After compression 3.7 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. Kyoto-symphony.jp needs all CSS files to be minified and compressed as it can save up to 15.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (6%)

Requests Now

47

After Optimization

44

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kyoto Symphony. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kyoto-symphony.jp accessibility score

72

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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>).

High

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

Best Practices

kyoto-symphony.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

kyoto-symphony.jp SEO score

81

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

Content Best Practices

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

Impact

Issue

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kyoto-symphony.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 Kyoto-symphony.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

Open Graph description is not detected on the main page of Kyoto Symphony. 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: