Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

kawagoematsuri.jp

川越まつり公式サイト

Page Load Speed

4.8 sec in total

First Response

585 ms

Resources Loaded

4 sec

Page Rendered

196 ms

About Website

Welcome to kawagoematsuri.jp homepage info - get ready to check Kawagoematsuri best content for Japan right away, or after learning these important things about kawagoematsuri.jp

伝統ある川越まつりを紹介します。

Visit kawagoematsuri.jp

Key Findings

We analyzed Kawagoematsuri.jp page load time and found that the first response time was 585 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kawagoematsuri.jp performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value20.0 s

0/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value31.8 s

0/100

10%

Network Requests Diagram

kawagoematsuri.jp

585 ms

index.html

1332 ms

style.css

688 ms

idx_title_OLD.png

1927 ms

swf.js

366 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 89% of them (33 requests) were addressed to the original Kawagoematsuri.jp, 11% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Kawagoematsuri.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.9 kB (21%)

Content Size

768.7 kB

After Optimization

604.8 kB

In fact, the total size of Kawagoematsuri.jp main page is 768.7 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. 15% of websites need less resources to load. Images take 706.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 9.7 kB

  • Original 14.1 kB
  • After minification 13.1 kB
  • After compression 4.4 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 9.7 kB or 69% of the original size.

Image Optimization

-21%

Potential reduce by 146.8 kB

  • Original 706.9 kB
  • After minification 560.1 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. Obviously, Kawagoematsuri needs image optimization as it can save up to 146.8 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 438 B

  • Original 38.9 kB
  • After minification 38.9 kB
  • After compression 38.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-79%

Potential reduce by 7.0 kB

  • Original 8.9 kB
  • After minification 7.0 kB
  • After compression 1.9 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. Kawagoematsuri.jp needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (17%)

Requests Now

35

After Optimization

29

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kawagoematsuri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

kawagoematsuri.jp accessibility score

85

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

kawagoematsuri.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kawagoematsuri.jp SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kawagoematsuri.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 Kawagoematsuri.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 description is not detected on the main page of Kawagoematsuri. 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: