Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

sunport-hall.jp

サンポートホール高松

Page Load Speed

7.1 sec in total

First Response

523 ms

Resources Loaded

6.2 sec

Page Rendered

301 ms

sunport-hall.jp screenshot

About Website

Click here to check amazing Sunport Hall content for Japan. Otherwise, check out these important facts you probably never knew about sunport-hall.jp

公益財団法人高松市文化芸術財団は、幅広い市民とともに、文化芸術活動の振興・普及を図り、人と人、心と心がふれあう、高松らしい文化の創造と交流に寄与することを目的としております。

Visit sunport-hall.jp

Key Findings

We analyzed Sunport-hall.jp page load time and found that the first response time was 523 ms and then it took 6.5 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

sunport-hall.jp performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.546

13/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

sunport-hall.jp

523 ms

sunport-hall.jp

863 ms

base.css

190 ms

index.css

369 ms

jquery.js

866 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 82% of them (56 requests) were addressed to the original Sunport-hall.jp, 9% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Sunport-hall.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.1 kB (3%)

Content Size

5.4 MB

After Optimization

5.2 MB

In fact, the total size of Sunport-hall.jp main page is 5.4 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. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 64.5 kB

  • Original 78.2 kB
  • After minification 62.4 kB
  • After compression 13.7 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 15.8 kB, which is 20% 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 64.5 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 66.0 kB

  • Original 5.2 MB
  • After minification 5.2 MB

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. Sunport Hall images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 4.2 kB

  • Original 50.0 kB
  • After minification 50.0 kB
  • After compression 45.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-21%

Potential reduce by 1.5 kB

  • Original 7.1 kB
  • After minification 7.1 kB
  • After compression 5.6 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. Sunport-hall.jp needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (17%)

Requests Now

60

After Optimization

50

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sunport Hall. 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 Review

sunport-hall.jp accessibility score

74

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.

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 [lang] attribute

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

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

sunport-hall.jp best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sunport-hall.jp SEO score

75

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

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 uses legible font sizes

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 Sunport-hall.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 Sunport-hall.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 data is detected on the main page of Sunport Hall. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: