Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 55

    SEO

    Google-friendlier than
    20% of websites

festival-tokyo.jp

アーカイビングF/T|Archiving F/T

Page Load Speed

6.3 sec in total

First Response

562 ms

Resources Loaded

5.2 sec

Page Rendered

457 ms

festival-tokyo.jp screenshot

About Website

Visit festival-tokyo.jp now to see the best up-to-date Festival Tokyo content for Japan and also check out these interesting facts you probably never knew about festival-tokyo.jp

アーカイビングF/T|人と都市と始まる舞台芸術祭。フェスティバル/トーキョー

Visit festival-tokyo.jp

Key Findings

We analyzed Festival-tokyo.jp page load time and found that the first response time was 562 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

festival-tokyo.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

festival-tokyo.jp

562 ms

www.festival-tokyo.jp

1075 ms

bootstrap.css

1272 ms

default.css

728 ms

menu.css

548 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 96% of them (80 requests) were addressed to the original Festival-tokyo.jp, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Festival-tokyo.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 517.3 kB (44%)

Content Size

1.2 MB

After Optimization

649.8 kB

In fact, the total size of Festival-tokyo.jp main page is 1.2 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. 40% of websites need less resources to load. Images take 532.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.3 kB

  • Original 27.5 kB
  • After minification 26.2 kB
  • After compression 6.2 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 21.3 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 32.0 kB

  • Original 532.2 kB
  • After minification 500.2 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. Festival Tokyo images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 310.2 kB

  • Original 427.6 kB
  • After minification 423.0 kB
  • After compression 117.3 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 310.2 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 153.8 kB

  • Original 180.0 kB
  • After minification 147.2 kB
  • After compression 26.1 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. Festival-tokyo.jp needs all CSS files to be minified and compressed as it can save up to 153.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (50%)

Requests Now

80

After Optimization

40

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Festival Tokyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

festival-tokyo.jp accessibility score

71

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

Document doesn't have a <title> element

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

festival-tokyo.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

SEO Factors

festival-tokyo.jp SEO score

55

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

Document doesn't have a <title> element

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 Festival-tokyo.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 Festival-tokyo.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 Festival Tokyo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: