19.1 sec in total
649 ms
18.1 sec
391 ms
Welcome to starflyer.jp homepage info - get ready to check Starflyer best content for Japan right away, or after learning these important things about starflyer.jp
国内線の航空券予約から購入、運賃や空席照会ならスターフライヤー(SFJ)。ツアー内容を自由に組み合わせ可能なダイナミックパッケージも提供。スターフライヤーは全便・全席レザーシート&座席が広く、全席電源付!キャンペーンやマイレージのご案内などでプレミアムでリーズナブルな空の旅をお届けします。
Visit starflyer.jpWe analyzed Starflyer.jp page load time and found that the first response time was 649 ms and then it took 18.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
starflyer.jp performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value14.7 s
0/100
25%
Value16.8 s
0/100
10%
Value10,810 ms
0/100
30%
Value0.21
59/100
15%
Value41.2 s
0/100
10%
649 ms
1066 ms
406 ms
437 ms
422 ms
Our browser made a total of 368 requests to load all elements on the main page. We found that 80% of them (295 requests) were addressed to the original Starflyer.jp, 4% (16 requests) were made to Dp.starflyer.jp and 2% (7 requests) were made to Tg.socdm.com. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Starflyer.jp.
Page size can be reduced by 554.7 kB (10%)
5.7 MB
5.1 MB
In fact, the total size of Starflyer.jp main page is 5.7 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. 50% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.
Potential reduce by 70.1 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 70.1 kB or 79% of the original size.
Potential reduce by 53.4 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. Starflyer images are well optimized though.
Potential reduce by 355.8 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 355.8 kB or 73% of the original size.
Potential reduce by 75.5 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. Starflyer.jp needs all CSS files to be minified and compressed as it can save up to 75.5 kB or 86% of the original size.
Number of requests can be reduced by 208 (59%)
354
146
The browser has sent 354 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Starflyer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
starflyer.jp
649 ms
index.html
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n_import_rdz.css
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layout_foot1504.css
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rollovers.js
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starflyer.jp accessibility score
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
[aria-*] attributes do not match their roles
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
starflyer.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
starflyer.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Starflyer.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 Starflyer.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.
starflyer.jp
Open Graph description is not detected on the main page of Starflyer. 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: