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Web Frameworks

70 semanticscholar.org Last Updated: 10 months

Success 55% of passed verification steps
Warning 30% of total warning
Errors 15% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 91%
Best Practices Desktop Score 92%
SEO Desktop Score 100%
Progressive Web App Desktop Score 27%
Performance Mobile Score 53%
Best Practices Mobile Score 92%
SEO Mobile Score 99%
Progressive Web App Mobile Score 30%
Page Authority Authority 54%
Domain Authority Domain Authority 77%
Moz Rank 5.4/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 43 Characters
SEMANTIC SCHOLAR | AI-POWERED RESEARCH TOOL
Meta Description 153 Characters
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
Effective URL 31 Characters
https://www.semanticscholar.org
Excerpt Page content
Semantic Scholar | AI-Powered Research Tool Skip to search formSkip to main contentSemantic Scholar...
Keywords Cloud Density
research9 semantic7 scholar7 science5 fields3 sources3 studies3 free3 impact3 allen3
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
research 9
semantic 7
scholar 7
science 5
fields 3
sources 3
studies 3
free 3
impact 3
allen 3
Google Preview Your look like this in google search result
SEMANTIC SCHOLAR | AI-POWERED RESEARCH TOOL
https://www.semanticscholar.org
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant resear
Robots.txt File No Found
Sitemap.xml File No Found
Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system
Updated: 2016-08-30 / 4 years
Create on: 2014-09-05 / 6 years
Expires on: 2025-09-05 / 60 months 11 days

Name.com, Inc. ,US
Registrar Whois Server: whois.name.com
Registrar URL: http://www.name.com

Nameservers
NS-1437.AWSDNS-51.ORG
NS-586.AWSDNS-09.NET
NS-290.AWSDNS-36.COM
NS-1772.AWSDNS-29.CO.UK
Page Size Code & Text Ratio
Document Size: ~29.95 KB
Code Size: ~19.41 KB
Text Size: ~10.54 KB Ratio: 35.18%

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
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 220 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
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 32 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 1.3 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 2.3 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 1,286 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.2 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
Avoid chaining critical requests 7 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 328 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)
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 63 requests • 1,286 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 22 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 190 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 2.7 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
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 12.1 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 20 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
Remove unused CSS Potential savings of 45 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
Server response times are low (TTFB) Root document took 390 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 40 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Mobile

Mobile Screenshot
Serve images in next-gen formats Potential savings of 52 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
Server response times are low (TTFB) Root document took 180 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 450 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 170 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 1,180 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 3.0 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 101 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 4.7 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 9.9 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 1,211 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 3.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.2 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 5 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 280 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)
First Meaningful Paint 2.2 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 64 requests • 1,211 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 22 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 710 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 11.0 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 11.0 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 270 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
First Contentful Paint (3G) 4260 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Tap targets are not sized appropriately 96% 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 100% 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 30 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

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
Date: Tue, 26 Nov 2019 09:15:32 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Server: nginx
Vary: Accept-Encoding
Link: ; rel=preconnect; crossorigin, ; rel=preconnect; crossorigin, ; rel=preconnect; crossorigin, ; rel=preconnect; crossorigin
Set-Cookie: s2Hist=2019-11-26T00%3A00%3A00.000Z%7C1; Expires=Thu, 28 May 2020 00:00:00 GMT
Set-Cookie: s2Exp=similar_papers_deferred_load%3D-deferred%26similar_papers_shoveler%3D-with_carousel%26serp_density%3D-control%26new_ab_framework_aa%3Dcontrol%26s2_logo_redesign%3Dcontrol; Max-Age=31536000; Path=/
Strict-Transport-Security: max-age=31536000; includeSubdomains
Cache-Control: max-age=0, no-cache, no-store
Expires: -1
X-Frame-Options: SAMEORIGIN
Set-Cookie: tid=rBIAB13c7TRsEQAJBekxAg==; expires=Thu, 31-Dec-37 23:55:55 GMT; path=/
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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