Tools & Wizards About Us
idolfes.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

idolfes.com

TOKYO IDOL FESTIVAL 2025開催決定！！

Page Load Speed

9.7 sec in total

First Response

2.3 sec

Resources Loaded

7.1 sec

Page Rendered

345 ms

idolfes.com screenshot

About Website

Visit idolfes.com now to see the best up-to-date IDOL Fes content for Japan and also check out these interesting facts you probably never knew about idolfes.com

TOKYO IDOL PROJECT(TIP)が行う世界最大のアイドルフェスティバル『TOKYO IDOL FESTIVAL 2025』開催決定！！

Visit idolfes.com

Key Findings

We analyzed Idolfes.com page load time and found that the first response time was 2.3 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

idolfes.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value45.3 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

Network Requests Diagram

www.idolfes.com

2257 ms

index.html

374 ms

reset.css

371 ms

style.css

550 ms

slider-pro.css

559 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 86% of them (50 requests) were addressed to the original Idolfes.com, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Idolfes.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 291.4 kB (13%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Idolfes.com main page is 2.2 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. 45% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 31.3 kB

  • Original 39.8 kB
  • After minification 30.7 kB
  • After compression 8.5 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 9.1 kB, which is 23% 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 31.3 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 58.5 kB

  • Original 1.9 MB
  • After minification 1.8 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. IDOL Fes images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 152.3 kB

  • Original 228.8 kB
  • After minification 221.7 kB
  • After compression 76.5 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 152.3 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 49.3 kB

  • Original 57.3 kB
  • After minification 40.4 kB
  • After compression 8.0 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. Idolfes.com needs all CSS files to be minified and compressed as it can save up to 49.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (11%)

Requests Now

55

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IDOL Fes. 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.

Network Requests Diagram

www.idolfes.com

www.idolfes.com

2257 ms

index.html

index.html

374 ms

reset.css

reset.css

371 ms

style.css

style.css

550 ms

slider-pro.css

slider-pro.css

559 ms

jquery.js

jquery.js

939 ms

base.js

base.js

383 ms

trunk8.js

trunk8.js

417 ms

jquery.sliderPro.min.js

jquery.sliderPro.min.js

920 ms

analytics.js

analytics.js

14 ms

header_parts.png

header_parts.png

194 ms

tif_logo.png

tif_logo.png

192 ms

date.png

date.png

195 ms

TIP_logo_big.png

TIP_logo_big.png

193 ms

TIP_lineup_banner.jpg

TIP_lineup_banner.jpg

948 ms

TIP_ticket_banner.jpg

TIP_ticket_banner.jpg

826 ms

TIP_nicoch_banner.jpg

TIP_nicoch_banner.jpg

746 ms

heading_info.png

heading_info.png

382 ms

heading_TIPnews.png

heading_TIPnews.png

384 ms

tw_btn.png

tw_btn.png

388 ms

logo_tip.png

logo_tip.png

572 ms

bnr_tokyoodaibanet.gif

bnr_tokyoodaibanet.gif

571 ms

logo_kimidakelife.png

logo_kimidakelife.png

581 ms

logo_towerrecords.png

logo_towerrecords.png

760 ms

logo_rakutenticket.png

logo_rakutenticket.png

759 ms

logo_sankeidigital.png

logo_sankeidigital.png

772 ms

logo_zipper.png

logo_zipper.png

935 ms

logo_shueisha.png

logo_shueisha.png

947 ms

logo_spaceshowertv.png

logo_spaceshowertv.png

946 ms

logo_tgu.png

logo_tgu.png

965 ms

logo_niconico.png

logo_niconico.png

1035 ms

logo_nikkei.png

logo_nikkei.png

1125 ms

logo_village-v.png

logo_village-v.png

1139 ms

logo_yj.png

logo_yj.png

1135 ms

sdk.js

sdk.js

7 ms

bg.png

bg.png

1124 ms

global_menu.png

global_menu.png

1145 ms

tip_menu.png

tip_menu.png

1233 ms

contact-us_off.png

contact-us_off.png

1303 ms

btn_pagetop.png

btn_pagetop.png

1307 ms

rt_track_org.js

rt_track_org.js

1637 ms

collect

collect

32 ms

123 ms

xd_arbiter.php

xd_arbiter.php

40 ms

xd_arbiter.php

xd_arbiter.php

48 ms

space.gif

space.gif

623 ms

openhand.cur

openhand.cur

193 ms

tif.json

tif.json

234 ms

tip.json

tip.json

200 ms

2.jpg

2.jpg

373 ms

ico_new.png

ico_new.png

193 ms

002_TOKYO-IDOL-TV14%E3%81%AB%E5%87%BA%E6%BC%94%E3%81%99%E3%82%8B%E3%83%99%E3%82%A4%E3%83%93%E3%83%BC%E3%83%AC%E3%82%A4%E3%82%BAJAPAN.jpg

002_TOKYO-IDOL-TV14%E3%81%AB%E5%87%BA%E6%BC%94%E3%81%99%E3%82%8B%E3%83%99%E3%82%A4%E3%83%93%E3%83%BC%E3%83%AC%E3%82%A4%E3%82%BAJAPAN.jpg

939 ms

001_lyrical-school%E3%83%BBayaka.jpg

001_lyrical-school%E3%83%BBayaka.jpg

923 ms

001_%E3%83%99%E3%82%A4%E3%83%93%E3%83%BC%E3%83%AC%E3%82%A4%E3%82%BAJAPAN%E3%81%A8callme.jpg

001_%E3%83%99%E3%82%A4%E3%83%93%E3%83%BC%E3%83%AC%E3%82%A4%E3%82%BAJAPAN%E3%81%A8callme.jpg

760 ms

kaigi_logo.jpg

kaigi_logo.jpg

418 ms

logo_TIF2016_fix_rgb-1.jpg

logo_TIF2016_fix_rgb-1.jpg

746 ms

otome_asha_1257.jpg

otome_asha_1257.jpg

932 ms

icon_arrow.png

icon_arrow.png

620 ms

Accessibility Review

idolfes.com accessibility score

97

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

Links do not have a discernible name

Best Practices

idolfes.com best practices score

83

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

Page has valid source maps

SEO Factors

idolfes.com 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 Idolfes.com 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 Idolfes.com 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

idolfes.com

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