Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

persimmon.or.jp

めぐろパーシモンホール/中目黒GTプラザホール

Page Load Speed

9 sec in total

First Response

2.1 sec

Resources Loaded

6.3 sec

Page Rendered

580 ms

persimmon.or.jp screenshot

About Website

Click here to check amazing Persimmon content for Japan. Otherwise, check out these important facts you probably never knew about persimmon.or.jp

めぐろパーシモンホール、中目黒GTプラザホールは、目黒区にある2つのホールです。多くの方が、良質な芸術文化に出会い感動を共有する場として、日頃の練習場や、その成果を発表する場として、さらには芸術文化を媒介に人々のつながりを豊かにする拠点を提供してまいります。

Visit persimmon.or.jp

Key Findings

We analyzed Persimmon.or.jp page load time and found that the first response time was 2.1 sec and then it took 6.9 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

persimmon.or.jp performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.295

40/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

www.persimmon.or.jp

2092 ms

js

58 ms

reset.css

329 ms

style.css

1007 ms

%E7%AC%AC22%E5%9B%9E%E3%81%BB%E3%81%9F%E3%82%8B%E7%A5%AD%E3%82%8A_PC%E7%89%88.jpg

1328 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 95% of them (63 requests) were addressed to the original Persimmon.or.jp, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Persimmon.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.9 kB (8%)

Content Size

3.4 MB

After Optimization

3.2 MB

In fact, the total size of Persimmon.or.jp main page is 3.4 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. 35% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 25.5 kB

  • Original 32.1 kB
  • After minification 30.7 kB
  • After compression 6.6 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 25.5 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 102.9 kB

  • Original 3.2 MB
  • After minification 3.1 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. Persimmon images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 55.4 kB

  • Original 101.8 kB
  • After minification 100.7 kB
  • After compression 46.5 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 55.4 kB or 54% of the original size.

CSS Optimization

-86%

Potential reduce by 103.2 kB

  • Original 120.6 kB
  • After minification 103.0 kB
  • After compression 17.4 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. Persimmon.or.jp needs all CSS files to be minified and compressed as it can save up to 103.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (28%)

Requests Now

65

After Optimization

47

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Persimmon. 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 as a result speed up the page load time.

Accessibility Review

persimmon.or.jp accessibility score

97

Accessibility Issues

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

Best Practices

persimmon.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

persimmon.or.jp SEO score

92

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 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 Persimmon.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 Persimmon.or.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 Persimmon. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: