Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

okayama-airport.org

岡山桃太郎空港

Page Load Speed

11.3 sec in total

First Response

514 ms

Resources Loaded

10.5 sec

Page Rendered

316 ms

About Website

Visit okayama-airport.org now to see the best up-to-date Okayama Airport content for Japan and also check out these interesting facts you probably never knew about okayama-airport.org

岡山桃太郎空港発着の国内便・国際便時刻表、岡山桃太郎空港へのアクセス方法(お車・バス・タクシー)および時刻表を掲載しています。その他、搭乗・到着手続き、岡山桃太郎空港内施設(ターミナルビル、サービス施設、駐車場、バス・タクシー乗り場)、岡山桃太郎空港発着のツアー情報もご案内しています。

Visit okayama-airport.org

Key Findings

We analyzed Okayama-airport.org page load time and found that the first response time was 514 ms and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

okayama-airport.org performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value470 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

okayama-airport.org

514 ms

www.okayama-airport.org

1340 ms

gtm.js

67 ms

jquery.min.js

26 ms

jquery.validate.min.js

498 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 89% of them (83 requests) were addressed to the original Okayama-airport.org, 3% (3 requests) were made to Googletagmanager.com and 3% (3 requests) were made to Cnt.parkingweb.jp. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Okayama-airport.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 574.1 kB (19%)

Content Size

3.1 MB

After Optimization

2.5 MB

In fact, the total size of Okayama-airport.org main page is 3.1 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. 35% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 38.7 kB

  • Original 46.8 kB
  • After minification 43.4 kB
  • After compression 8.1 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 38.7 kB or 83% of the original size.

Image Optimization

-17%

Potential reduce by 476.6 kB

  • Original 2.9 MB
  • After minification 2.4 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. Obviously, Okayama Airport needs image optimization as it can save up to 476.6 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-30%

Potential reduce by 38.7 kB

  • Original 129.1 kB
  • After minification 129.1 kB
  • After compression 90.4 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 38.7 kB or 30% of the original size.

CSS Optimization

-34%

Potential reduce by 20.1 kB

  • Original 58.3 kB
  • After minification 58.3 kB
  • After compression 38.2 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. Okayama-airport.org needs all CSS files to be minified and compressed as it can save up to 20.1 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (58%)

Requests Now

91

After Optimization

38

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Okayama Airport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

okayama-airport.org accessibility score

86

Accessibility Issues

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

[id] attributes on active, focusable elements are not unique

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

okayama-airport.org best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

okayama-airport.org SEO score

85

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

Document doesn't have a valid hreflang

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Okayama-airport.org 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 Okayama-airport.org 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 Okayama Airport. 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: