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35 studysapuri.jp Last Updated: 10 months

Success 54% of passed verification steps
Warning 23% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 83%
Best Practices Desktop Score 77%
SEO Desktop Score 100%
Progressive Web App Desktop Score 31%
Performance Mobile Score 48%
Best Practices Mobile Score 77%
SEO Mobile Score 96%
Progressive Web App Mobile Score 33%
Page Authority Authority 49%
Domain Authority Domain Authority 48%
Moz Rank 4.9/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 25 Characters
【公式】スタディサプリ|大人の英語も、受験勉強も。
Meta Description 121 Characters
1動画最短1分から学べる!だから短時間でギュッと効率的に成績が伸びる。月額980円で小中高、大学受験に必要な5教科18科目の神授業が見放題。84万人の受講データで磨き上げた「神授業」を、塾や予備校・通信教育を圧倒的に下回る料金でご提供します。
Effective URL 22 Characters
https://studysapuri.jp
Excerpt Page content
【公式】スタディサプリ|大人の英語も、受験勉強も。 ログイン 学校・団体利用の方の会員登録 学習者ログイン サポートWebログイン(保護者の方はこちら) ...
Keywords Cloud Density
大学受験講座4 講座案内3 スタディサプリ3 講師紹介3 スタディサプリenglish3 高校講座3 中学講座3 小学講座3 講義動画一覧2 授業動画一覧2
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
大学受験講座 4
講座案内 3
スタディサプリ 3
講師紹介 3
スタディサプリenglish 3
高校講座 3
中学講座 3
小学講座 3
講義動画一覧 2
授業動画一覧 2
Google Preview Your look like this in google search result
【公式】スタディサプリ|大人の英語も、受験勉強も。
https://studysapuri.jp
1動画最短1分から学べる!だから短時間でギュッと効率的に成績が伸びる。月額980円で小中高、大学受験に必要な5教科18科目の神授業が見放題。84万人の受講データで磨き上げた「神授業」を、塾や予備校・通信教育を圧倒的に下回る料金でご提供します。
Robots.txt File No Found
Sitemap.xml File No Found
Page Size Code & Text Ratio
Document Size: ~35.18 KB
Code Size: ~34.44 KB
Text Size: ~759 B Ratio: 2.11%

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
Serve images in next-gen formats Potential savings of 258 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
User Timing marks and measures 1 user timing
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Reduce server response times (TTFB) Root document took 680 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 430 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Minimize third-party usage Third-party code blocked the main thread for 80 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 180 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.7 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 264 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
Properly size images Potential savings of 211 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 1.7 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 2,560 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.6 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.7 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 12 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
Avoids an excessive DOM size 438 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 16 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 0.7 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 120 requests • 2,560 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 52 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 170 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 3.1 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 13.4 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 30 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

Mobile

Mobile Screenshot
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 13.8 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 4876 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 340 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 not sized appropriately 54% 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 90.81% 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
Serve images in next-gen formats Potential savings of 65 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
User Timing marks and measures 1 user timing
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Server response times are low (TTFB) Root document took 170 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,590 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Reduce the impact of third-party code Third-party code blocked the main thread for 540 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 2,690 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 4.3 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 93 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 3.8 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 13.4 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 2,263 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 7.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.8 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 12 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
Avoids an excessive DOM size 438 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 16 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 2.8 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 116 requests • 2,263 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 51 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 700 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 13.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive

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: nginx
Date: Wed, 22 Jan 2020 13:15:07 GMT
Content-Type: text/html
Connection: keep-alive
Vary: Accept-Encoding
Last-Modified: Wed, 22 Jan 2020 08:58:50 GMT
x-amz-version-id: null
ETag: W/"97ee017b35432e4654759666aa98c0ef"
X-Cache-Status: HIT
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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