Report Summary

  • 9

    Performance

    Renders faster than
    23% 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

ana.co.jp

ANAの航空券・飛行機 予約、空席照会、運賃案内|ANA

Page Load Speed

14.5 sec in total

First Response

558 ms

Resources Loaded

13.6 sec

Page Rendered

375 ms

About Website

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

【ANA公式サイト】国内線・国際線の航空券予約や最新の空席・運賃の照会などはANAで。おトクな運賃でのフライト情報のほか、情報飛行機+宿泊をセットにしたダイナミックパッケージや現地滞在をさらに楽しめる遊び・体験ツアーなどの予約もできます。

Visit ana.co.jp

Key Findings

We analyzed Ana.co.jp page load time and found that the first response time was 558 ms and then it took 14 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

ana.co.jp performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.5 s

0/100

25%

SI (Speed Index)

Value35.6 s

0/100

10%

TBT (Total Blocking Time)

Value6,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value49.4 s

0/100

10%

Network Requests Diagram

www.ana.co.jp

558 ms

booking.css

395 ms

jquery-3.4.1.min.js

40 ms

dependencies.min.js

47 ms

main.min.js

58 ms

Our browser made a total of 209 requests to load all elements on the main page. We found that 84% of them (175 requests) were addressed to the original Ana.co.jp, 5% (10 requests) were made to Dpm.demdex.net and 1% (3 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Ana.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 987.4 kB (62%)

Content Size

1.6 MB

After Optimization

617.8 kB

In fact, the total size of Ana.co.jp main page is 1.6 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. Only a small number of websites need less resources to load. HTML takes 955.0 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 873.1 kB

  • Original 955.0 kB
  • After minification 834.0 kB
  • After compression 82.0 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 121.0 kB, which is 13% 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 873.1 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 13.2 kB
  • After minification 13.2 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. ANA images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 114.3 kB

  • Original 636.9 kB
  • After minification 633.7 kB
  • After compression 522.6 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 114.3 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 93 (46%)

Requests Now

202

After Optimization

109

The browser has sent 202 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ANA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 70 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ana.co.jp accessibility score

76

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs 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

Buttons do not have an accessible name

High

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

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

ana.co.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

ana.co.jp 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 Ana.co.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 Ana.co.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 ANA. 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: