Tools & Wizards About Us
numatahanabi.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

numatahanabi.com

沼田花火大会公式サイト｜45分間に1万発以上の花火が打ち上がる　花火と音楽のコラボレーションは迫力満点　沼田ならではの感動の花火ショー！

Page Load Speed

18.4 sec in total

First Response

754 ms

Resources Loaded

17.3 sec

Page Rendered

349 ms

numatahanabi.com screenshot

About Website

Visit numatahanabi.com now to see the best up-to-date Numatahanabi content and also check out these interesting facts you probably never knew about numatahanabi.com

沼田花火大会公式サイトです。45分間に1万発以上の花火が打上がる！花火と音楽のコラボレーションは迫力満点。沼田ならではの感動の花火ショーをお楽しみください。2026年9月12日（土）開催。

Visit numatahanabi.com

Key Findings

We analyzed Numatahanabi.com page load time and found that the first response time was 754 ms and then it took 17.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

numatahanabi.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value3,600 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value199.1 s

0/100

10%

Network Requests Diagram

numatahanabi.com

754 ms

numatahanabi.com

933 ms

js

62 ms

bootstrap.css

902 ms

reset-style.css

909 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 34% of them (20 requests) were addressed to the original Numatahanabi.com, 14% (8 requests) were made to Youtube.com and 7% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (13.4 sec) belongs to the original domain Numatahanabi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 551.1 kB (10%)

Content Size

5.6 MB

After Optimization

5.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Numatahanabi.com main page is 5.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.5 kB

  • Original 47.3 kB
  • After minification 29.6 kB
  • After compression 8.8 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 17.8 kB, which is 38% 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 38.5 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 178.3 kB

  • Original 4.9 MB
  • After minification 4.7 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. Numatahanabi images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 190.0 kB

  • Original 455.8 kB
  • After minification 427.7 kB
  • After compression 265.8 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 190.0 kB or 42% of the original size.

CSS Optimization

-60%

Potential reduce by 144.3 kB

  • Original 241.0 kB
  • After minification 211.1 kB
  • After compression 96.8 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. Numatahanabi.com needs all CSS files to be minified and compressed as it can save up to 144.3 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (53%)

Requests Now

53

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Numatahanabi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

numatahanabi.com

numatahanabi.com

754 ms

numatahanabi.com

numatahanabi.com

933 ms

js

js

62 ms

bootstrap.css

bootstrap.css

902 ms

reset-style.css

reset-style.css

909 ms

justified-nav.css

justified-nav.css

909 ms

main-style.css

main-style.css

1070 ms

all.css

all.css

39 ms

blueimp-gallery.min.css

blueimp-gallery.min.css

37 ms

css

css

45 ms

title2024.png

title2024.png

1283 ms

event17.jpg

event17.jpg

1680 ms

event08.jpg

event08.jpg

1649 ms

event18.jpg

event18.jpg

1828 ms

4DJUJJdsQck

4DJUJJdsQck

137 ms

player.js

player.js

961 ms

widgets.js

widgets.js

31 ms

sdk.js

sdk.js

30 ms

loader.min.js

loader.min.js

35 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1445 ms

jquery.bgswitcher.js

jquery.bgswitcher.js

1100 ms

bootstrap.js

bootstrap.js

2166 ms

jquery.blueimp-gallery.min.js

jquery.blueimp-gallery.min.js

23 ms

bootstrap-image-gallery.min.js

bootstrap-image-gallery.min.js

1340 ms

www-player.css

www-player.css

8 ms

www-embed-player.js

www-embed-player.js

26 ms

base.js

base.js

53 ms

ad_status.js

ad_status.js

203 ms

AZmawUnBjeS4tv-yJel4MSA3UkbDC8sKRCiM64fOhhQ.js

AZmawUnBjeS4tv-yJel4MSA3UkbDC8sKRCiM64fOhhQ.js

118 ms

embed.js

embed.js

38 ms

Create

Create

80 ms

id

id

77 ms

GenerateIT

GenerateIT

15 ms

event11.jpg

event11.jpg

987 ms

himatsuri_s.png

himatsuri_s.png

1649 ms

fa-solid-900.woff

fa-solid-900.woff

60 ms

fa-regular-400.woff

fa-regular-400.woff

89 ms

swfobject.min.js

swfobject.min.js

687 ms

Lcz3LY6osEc

Lcz3LY6osEc

137 ms

share_button.php

share_button.php

447 ms

fa-brands-400.woff

fa-brands-400.woff

33 ms

sdk.js

sdk.js

12 ms

127 ms

Create

Create

64 ms

id

id

19 ms

GenerateIT

GenerateIT

15 ms

Hi2jWCVayBK.js

Hi2jWCVayBK.js

23 ms

GzgedhmzSQa.png

GzgedhmzSQa.png

11 ms

share

share

208 ms

slide19.png

slide19.png

13445 ms

slide20.png

slide20.png

8159 ms

widget.1.23.2.0.css

widget.1.23.2.0.css

189 ms

button.1.23.2.0.js

button.1.23.2.0.js

191 ms

sentry.1.23.2.0.js

sentry.1.23.2.0.js

200 ms

torimochi.js

torimochi.js

2 ms

line_v3@3x.png

line_v3@3x.png

3 ms

log_event

log_event

31 ms

log_event

log_event

15 ms

Accessibility Review

numatahanabi.com accessibility score

76

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

numatahanabi.com 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

High

Page has valid source maps

SEO Factors

numatahanabi.com SEO score

90

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

High

Tap targets are not sized appropriately

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 Numatahanabi.com 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 Numatahanabi.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

numatahanabi.com

Open Graph data is detected on the main page of Numatahanabi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: