Access skymark.co.jp. 【公式】スカイマーク SKYMARK｜航空券予約・空席照会・運賃一覧・国内線

name

value

score

weighting

FCP (First Contentful Paint)

Value13.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value58.2 s

0/100

25%

SI (Speed Index)

Value31.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,200 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.165

72/100

15%

TTI (Time to Interactive)

Value42.5 s

0/100

10%

www.skymark.co.jp

899 ms

948 ms

gtm.js

53 ms

base.css

890 ms

parts.css

1062 ms

Our browser made a total of 122 requests to load all elements on the main page. We found that 80% of them (98 requests) were addressed to the original Skymark.co.jp, 6% (7 requests) were made to Googletagmanager.com and 2% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.3 sec) belongs to the original domain Skymark.co.jp.

Content Size

2.5 MB

After Optimization

1.8 MB

In fact, the total size of Skymark.co.jp main page is 2.5 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. 45% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 34.1 kB

Original 44.4 kB
After minification 38.9 kB
After compression 10.3 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 5.5 kB, which is 12% 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 34.1 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 308.6 kB

Original 1.9 MB
After minification 1.6 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, SKYMARK needs image optimization as it can save up to 308.6 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 173.8 kB

Original 383.9 kB
After minification 362.3 kB
After compression 210.1 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 173.8 kB or 45% of the original size.

CSS Optimization

-75%

Potential reduce by 130.1 kB

Original 173.1 kB
After minification 134.1 kB
After compression 43.0 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. Skymark.co.jp needs all CSS files to be minified and compressed as it can save up to 130.1 kB or 75% of the original size.

Requests Now

120

After Optimization

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SKYMARK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

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

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.

High

Buttons do not have an accessible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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 Skymark.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 Skymark.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

skymark.co.jp

Open Graph description is not detected on the main page of SKYMARK. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

【公式】スカイマーク SKYMARK｜航空券予約・空席照会・運賃一覧・国内線

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.skymark.co.jp

gtm.js

base.css

parts.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.skymark.co.jp

gtm.js

base.css

parts.css

jquery-1.12.4.min.js

airport.js

site_navi.js

investor_loadfactor.js

plugin.js

common.js

jquery.bxslider.min.css

index.css

main_banner.css

header_animation.css

hokkaido_campaign.css

analytics.js

js

whatsnew.js

main_banner.js

js

maintenance.js

news.js

pickup.js

notes.js

sub_banner.js

other_link.js

social.js

jquery.bxslider.min.js

slick_m.min.js

mv_timer.js

menu.js

airport.js

calendar.js

index.js

gaEvent.js

btnModule.js

env.js

url.js

fixed.js

mf-search.js

user-ad.js

appendchild.js

mf-search.css

font-awesome.css