Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

uub.jp

都道府県市区町村

Page Load Speed

4 sec in total

First Response

931 ms

Resources Loaded

2.7 sec

Page Rendered

312 ms

uub.jp screenshot

About Website

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

都道府県と市区町村に関するデータサイトです。各都道府県の基本データ、市区町村のデータ、政令指定都市など指定都市のデータ、人口、面積、人口密度、公式HPなど広報メディア、市区町村変遷情報、ランキングデータ、雑学、地名コレクション、都道府県ランキング、新型コロナウイルス情報など多彩なデータがあります。データベース検索機能も充実。地理好きが集まる掲示板「落書き帳」は憩いの場です。経県値は落書き帳から誕生...

Visit uub.jp

Key Findings

We analyzed Uub.jp page load time and found that the first response time was 931 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

uub.jp performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.367

29/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

uub.jp

931 ms

uub.js

693 ms

uub.css

539 ms

bookmark_button.js

351 ms

adsbygoogle.js

5 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 16% of them (9 requests) were addressed to the original Uub.jp, 13% (7 requests) were made to Googleads.g.doubleclick.net and 13% (7 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Uub.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.8 kB (41%)

Content Size

488.2 kB

After Optimization

290.4 kB

In fact, the total size of Uub.jp main page is 488.2 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. 60% of websites need less resources to load. Images take 236.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 33.5 kB

  • Original 44.4 kB
  • After minification 43.2 kB
  • After compression 10.9 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 33.5 kB or 75% of the original size.

Image Optimization

-30%

Potential reduce by 71.8 kB

  • Original 236.3 kB
  • After minification 164.5 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. Obviously, Uub needs image optimization as it can save up to 71.8 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 77.3 kB

  • Original 187.6 kB
  • After minification 178.0 kB
  • After compression 110.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 77.3 kB or 41% of the original size.

CSS Optimization

-76%

Potential reduce by 15.2 kB

  • Original 19.9 kB
  • After minification 16.7 kB
  • After compression 4.7 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. Uub.jp needs all CSS files to be minified and compressed as it can save up to 15.2 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (52%)

Requests Now

52

After Optimization

25

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

uub.jp accessibility score

66

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

[aria-*] attributes do not match their roles

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

uub.jp 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

uub.jp SEO score

76

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uub.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 Uub.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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