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jatet.or.jp screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

jatet.or.jp

JATET（公益社団法人劇場演出空間技術協会）公式サイト - Theatre and Entertainment Technology Association, Japan top page Official site -

Page Load Speed

2.8 sec in total

First Response

347 ms

Resources Loaded

2.3 sec

Page Rendered

152 ms

jatet.or.jp screenshot

About Website

Welcome to jatet.or.jp homepage info - get ready to check JATET best content right away, or after learning these important things about jatet.or.jp

JATET（公益社団法人劇場演出空間技術協会）は、芸術と技術の繋ぎ手として“演出空間”の更なる発展を支えます。 舞台芸術をはじめとする“演出空間”の表現活動は、 建築・機構・照明・音響・映像・舞台美術など近代設備との有機的な結合のなかで生み出されます。 近年、“演出空間”には、これまで以上に効果的な技術の向上、安全基準の確立、 施設の合理的な運営、人的基盤の整備等が必要になってきています。 公益社...

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Key Findings

We analyzed Jatet.or.jp page load time and found that the first response time was 347 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

jatet.or.jp performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

75/100

10%

Network Requests Diagram

jatet.or.jp

347 ms

jatet.or.jp

728 ms

style.css

502 ms

index.css

503 ms

style.css

516 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 91% of them (10 requests) were addressed to the original Jatet.or.jp, 9% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (863 ms) belongs to the original domain Jatet.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.6 kB (14%)

Content Size

83.3 kB

After Optimization

71.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Jatet.or.jp main page is 83.3 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. Only 5% of websites need less resources to load. Images take 66.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.2 kB

  • Original 13.3 kB
  • After minification 9.9 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 3.4 kB, which is 26% 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 9.2 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 66.5 kB
  • After minification 66.5 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. JATET images are well optimized though.

CSS Optimization

-66%

Potential reduce by 2.4 kB

  • Original 3.5 kB
  • After minification 3.1 kB
  • After compression 1.2 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. Jatet.or.jp needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 66% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JATET. According to our analytics all requests are already optimized.

Network Requests Diagram

jatet.or.jp

jatet.or.jp

347 ms

jatet.or.jp

jatet.or.jp

728 ms

style.css

style.css

502 ms

index.css

index.css

503 ms

style.css

style.css

516 ms

ttl.jpg

ttl.jpg

863 ms

catch.gif

catch.gif

852 ms

js

js

55 ms

navi_bk.gif

navi_bk.gif

503 ms

content_bk.jpg

content_bk.jpg

520 ms

footer_bk.gif

footer_bk.gif

681 ms

Accessibility Review

jatet.or.jp accessibility score

100

Accessibility Issues

Best Practices

jatet.or.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

jatet.or.jp SEO score

75

Search Engine Optimization Advices

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 Jatet.or.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 Jatet.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

jatet.or.jp

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