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Web Frameworks

48 jaist.ac.jp Last Updated: 2 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 75%
Best Practices Desktop Score 69%
SEO Desktop Score 100%
Progressive Web App Desktop Score 38%
Performance Mobile Score 36%
Best Practices Mobile Score 69%
SEO Mobile Score 90%
Progressive Web App Mobile Score 15%
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Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 19 Characters
JAIST 北陸先端科学技術大学院大学
Meta Description 84 Characters
北陸先端科学技術大学院大学 JAISTの公式サイトです。大学案内、入試情報、教育、研究活動、就職、国際交流のほか、研究室、センター、施設などの大学院情報をご覧頂けます。
Effective URL 29 Characters
Excerpt Page content
JAIST 北陸先端科学技術大学院大学 PCサイトを見る MENU 大学院で学びたい方 在学生の方 ご家族の方 修了生の方 企業・研究者の方 大学案内 領域・組織 入学案内 教 育 研 究 学生生活 就職・キャリア 国際交流 社会連携 Close 交通アクセス お問い合わせ サイトマップ 学内情報(学内専用) 国立大学法人北...
Keywords Cloud Density
awardを受賞7 学内専用6 technology4 お問い合わせ4 paper4 社会連携3 サイトマップ3 交通アクセス3 国際交流3 学生生活3
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
awardを受賞 7
学内専用 6
technology 4
お問い合わせ 4
paper 4
社会連携 3
サイトマップ 3
交通アクセス 3
国際交流 3
学生生活 3
Google Preview Your look like this in google search result
JAIST 北陸先端科学技術大学院大学
http://jaist.ac.jp/index.html
北陸先端科学技術大学院大学 JAISTの公式サイトです。大学案内、入試情報、教育、研究活動、就職、国際交流のほか、研究室、センター、施設などの大学院情報をご覧頂けます。
Robots.txt File Detected
Sitemap.xml File No Found
Page Size Code & Text Ratio
Document Size: ~67.29 KB
Code Size: ~42.83 KB
Text Size: ~24.46 KB Ratio: 36.35%

Social Data

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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 static assets with an efficient cache policy 63 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 100 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 1.7 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
Estimated Input Latency 10 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 7 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 78 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 313 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
Does not use HTTPS 6 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
Reduce server response times (TTFB) Root document took 1,220 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 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 67 KB
Optimized images load faster and consume less cellular data
Enable text compression Potential savings of 189 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Minimize third-party usage Third-party code blocked the main thread for 0 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 30 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.3 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 77 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Properly size images Potential savings of 27 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 3.7 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.0 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 1,830 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 0.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 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 790 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 6 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 0.9 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 72 requests • 1,830 KB
To set budgets for the quantity and size of page resources, add a budget.json file

Mobile

Mobile Screenshot
Minify CSS Potential savings of 7 KB
Minifying CSS files can reduce network payload sizes
Tap targets are not sized appropriately 92% 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 79.98% 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 66 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 313 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
Does not use HTTPS 6 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
Reduce server response times (TTFB) Root document took 970 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,680 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 67 KB
Optimized images load faster and consume less cellular data
Enable text compression Potential savings of 189 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 420 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 610 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.9 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 126 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Properly size images Potential savings of 44 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 9.5 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 7.4 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 1,830 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 3.8 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.9 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 778 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 6 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 2.9 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 69 requests • 1,830 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 60 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 440 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 11.1 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 at 11.1 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 5859 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 160 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

Speed And Optimization Tips

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Alexa Rank

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Domain Available

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Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/1.1 200 OK
Date: Mon, 09 Dec 2019 00:30:19 GMT
Server: Apache
Last-Modified: Sun, 08 Dec 2019 15:05:10 GMT
ETag: "a28d3-e76e-599329aecf057"
Accept-Ranges: bytes
Content-Length: 59246
X-FRAME-OPTIONS: SAMEORIGIN
Content-Type: text/html
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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