Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

kozaweb.jp

沖縄市観光ポータルコザウェブ-Kozaweb-

Page Load Speed

7.4 sec in total

First Response

1.2 sec

Resources Loaded

5.6 sec

Page Rendered

571 ms

About Website

Click here to check amazing Kozaweb content for Japan. Otherwise, check out these important facts you probably never knew about kozaweb.jp

沖縄市の観光情報サイト「コザウェブ」では、沖縄市内で行われるイベントをはじめ、飲食店グルメ情報、無料Wi-Fiスポットのサービスエリア、コザの穴場スポットを紹介するコザの裏側など観光や旅行に役立つ情報が満載です。

Visit kozaweb.jp

Key Findings

We analyzed Kozaweb.jp page load time and found that the first response time was 1.2 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kozaweb.jp performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value420 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.074

96/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

kozaweb.jp

1209 ms

layout.css

484 ms

general.css

484 ms

jquery.fancybox-1.3.4.css

484 ms

index0.css

504 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 85% of them (75 requests) were addressed to the original Kozaweb.jp, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Kozaweb.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 366.2 kB (9%)

Content Size

3.9 MB

After Optimization

3.5 MB

In fact, the total size of Kozaweb.jp main page is 3.9 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. 55% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 37.4 kB

  • Original 49.2 kB
  • After minification 38.4 kB
  • After compression 11.8 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 10.8 kB, which is 22% 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 37.4 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 117.0 kB

  • Original 3.5 MB
  • After minification 3.4 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. Kozaweb images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 179.3 kB

  • Original 291.2 kB
  • After minification 243.5 kB
  • After compression 111.9 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 179.3 kB or 62% of the original size.

CSS Optimization

-79%

Potential reduce by 32.5 kB

  • Original 41.1 kB
  • After minification 32.1 kB
  • After compression 8.7 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. Kozaweb.jp needs all CSS files to be minified and compressed as it can save up to 32.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (38%)

Requests Now

82

After Optimization

51

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kozaweb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kozaweb.jp accessibility score

94

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-hidden="true"] elements contain focusable descendents

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

kozaweb.jp best practices score

85

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

SEO Factors

kozaweb.jp SEO score

97

Search Engine Optimization Advices

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 Kozaweb.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 Kozaweb.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 Kozaweb. 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: