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85 jal.co.jp Last Updated: 10 months

Success 70% of passed verification steps
Warning 7% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 42%
Best Practices Desktop Score 62%
SEO Desktop Score 100%
Progressive Web App Desktop Score 27%
Performance Mobile Score 20%
Best Practices Mobile Score 77%
SEO Mobile Score 100%
Progressive Web App Mobile Score 33%
Page Authority Authority 53%
Domain Authority Domain Authority 87%
Moz Rank 5.3/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 24 Characters
JAL国内線−航空券 予約・空席照会・運賃案内−
Meta Description 74 Characters
JAL国内線。国内線航空券の予約・購入をはじめ、スケジュール照会、空席照会、運賃案内などをサポート。先得割引などお得な割引運賃がご利用いただけます。
Effective URL 21 Characters
https://www.jal.co.jp
Excerpt Page content
JAL国内線−航空券 予約・空席照会・運賃案内− 当サイトをご...
Keywords Cloud Density
予約確認5 検索する5 座席指定3 履歴から選択3 11月25日2 検索履歴2 以前検索した条件から入力2 以前検索した条件はありません2 フライト条件選択2 最初の宿泊条件を入力してください2
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
予約確認 5
検索する 5
座席指定 3
履歴から選択 3
11月25日 2
検索履歴 2
以前検索した条件から入力 2
以前検索した条件はありません 2
フライト条件選択 2
最初の宿泊条件を入力してください 2
Google Preview Your look like this in google search result
JAL国内線−航空券 予約・空席照会・運賃案内−
https://www.jal.co.jp
JAL国内線。国内線航空券の予約・購入をはじめ、スケジュール照会、空席照会、運賃案内などをサポート。先得割引などお得な割引運賃がご利用いただけます。
Robots.txt File Detected
Sitemap.xml File No Found
Page Size Code & Text Ratio
Document Size: ~182.06 KB
Code Size: ~179.72 KB
Text Size: ~2.34 KB Ratio: 1.28%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Manifest is not valid
Your site don't have valid manifest.json, read more in Web App Manifest

Desktop

Desktop Screenshot
Reduce server response times (TTFB) Root document took 1,370 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,410 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Efficiently encode images Potential savings of 40 KB
Optimized images load faster and consume less cellular data
Enable text compression Potential savings of 7 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Reduce the impact of third-party code Third-party code blocked the main thread for 560 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 960 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 2.8 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Defer offscreen images Potential savings of 242 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 3.7 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 3.0 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 1,973 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 4.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.2 s
First Contentful Paint marks the time at which the first text or image is painted
Includes front-end JavaScript libraries with known security vulnerabilities 9 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 40 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoid an excessive DOM size 2,241 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Minify JavaScript Potential savings of 18 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 1.2 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 338 requests • 1,973 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 172 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 490 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 6.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 24.5 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 110 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Minify CSS Potential savings of 2 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 41 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Uses deprecated APIs 1 warning found
Deprecated APIs will eventually be removed from the browser
Serve images in next-gen formats Potential savings of 378 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Mobile

Mobile Screenshot
Speed Index 10.7 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 10.7 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 1,999 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 11.6 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 3.8 s
First Contentful Paint marks the time at which the first text or image is painted
Includes front-end JavaScript libraries with known security vulnerabilities 2 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 24 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoid an excessive DOM size 2,074 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Minify JavaScript Potential savings of 3 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 3.8 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 208 requests • 1,999 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 84 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 1,840 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 15.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Page load is not fast enough on mobile networks Interactive at 15.9 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 7274 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 1,080 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Tap targets are sized appropriately 100% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Document uses legible font sizes 92.59% legible text
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px
Remove unused CSS Potential savings of 12 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 493 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
Reduce server response times (TTFB) Root document took 1,080 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 2,920 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Efficiently encode images Potential savings of 17 KB
Optimized images load faster and consume less cellular data
Enable text compression Potential savings of 4 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Reduce the impact of third-party code Third-party code blocked the main thread for 1,320 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 4,060 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 7.8 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Defer offscreen images Potential savings of 57 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Speed And Optimization Tips

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/1.1 200 OK
Server: Apache
Accept-Ranges: bytes
Content-Type: text/html
Content-Length: 0
Expires: Wed, 27 Nov 2019 06:03:49 GMT
Cache-Control: max-age=0, no-cache, no-store
Pragma: no-cache
Date: Wed, 27 Nov 2019 06:03:49 GMT
Connection: keep-alive
Set-Cookie: JALCOJP=20557e17.5984dc2aad604; path=/; expires=Thu, 26-Nov-20 06:03:49 GMT; domain=.jal.co.jp
Set-Cookie: JALCOJP=a5ab08e0.5984dc2aad604; path=/; expires=Thu, 26-Nov-20 06:03:49 GMT; domain=.jal.co.jp
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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