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89 phys.org Last Updated: 8 months

Success 78% of passed verification steps
Warning 7% of total warning
Errors 15% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 91%
Best Practices Desktop Score 62%
SEO Desktop Score 91%
Progressive Web App Desktop Score 31%
Performance Mobile Score 56%
Best Practices Mobile Score 69%
SEO Mobile Score 100%
Progressive Web App Mobile Score 63%
Page Authority Authority 67%
Domain Authority Domain Authority 91%
Moz Rank 6.7/10
Bounce Rate Rate 0%
Title Tag 54 Characters
PHYS.ORG - NEWS AND ARTICLES ON SCIENCE AND TECHNOLOGY
Meta Description 135 Characters
Phys.org internet news portal provides the latest news on science including: Physics, Space Science, Earth Science, Health and Medicine
Effective URL 16 Characters
https://phys.org
Excerpt Page content
Phys.org - News and Articles on Science and Technology ...
Meta Keywords 9 Detected
Science News Science Technology Health Physics Space Science Earth Science Medicine Nanotechnology Nanoscience
Keywords Cloud Density
university13 researchers13 their12 cancer11 tech10 conditions10 scientists10 health10 oncology9 study9
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
university 13
researchers 13
their 12
cancer 11
tech 10
conditions 10
scientists 10
health 10
oncology 9
study 9
Google Preview Your look like this in google search result
PHYS.ORG - NEWS AND ARTICLES ON SCIENCE AND TECHNOLOGY
https://phys.org
Phys.org internet news portal provides the latest news on science including: Physics, Space Science, Earth Science, Health and Medicine
Robots.txt File Detected
http://phys.org/robots.txt
Sitemap.xml File Detected
http://phys.org/sitemap.xml
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: 2015-01-02 / 6 years
Create on: 2002-04-26 / 18 years
Expires on: 2020-04-26 / 3 months 18 days

GoDaddy.com, LLC ,US
Registrar Whois Server: whois.godaddy.com
Registrar URL: http://www.whois.godaddy.com

Nameservers
NS2.VOXEL.NET
NS.VOXEL.NET
Page Size Code & Text Ratio
Document Size: ~186.26 KB
Code Size: ~114.16 KB
Text Size: ~72.1 KB Ratio: 38.71%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Science X Science X

The web app manifest is a simple JSON file that gives you, the developer, the ability to control how your app appears to the user in areas where they would expect to see apps (for example, a mobile device's home screen)
Param name
Science X
Param gcm_sender_id
922975728778
Param display
standalone
Manifest is not valid
Your manifest are missing some important params, read more in Web App Manifest

Desktop

Desktop Screenshot
Server response times are low (TTFB) Root document took 470 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 80 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 18 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 100 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 80 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.8 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 249 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 6 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 1.4 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.6 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 1,185 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 2.2 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.6 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 9 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 2,525 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 296 requests • 1,185 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 24 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 140 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 2.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Links do not have descriptive text 1 link found
Descriptive link text helps search engines understand your content
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 11.3 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 28 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 139 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
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
Server response times are low (TTFB) Root document took 360 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 0 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 630 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 750 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 2.1 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
Speed Index 5.5 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 6.7 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 403 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 3.7 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 3.3 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 4 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 402 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 3.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 45 requests • 403 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Uses efficient cache policy on static assets 12 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 450 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 7.2 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
First Contentful Paint (3G) 6474 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 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
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 99.61% 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 17 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

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: Sun, 08 Dec 2019 20:45:07 GMT
Server: Apache
Content-Type: text/html;charset=UTF-8
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A phys.org 72.251.236.55 IN 7199
NS phys.org ns2.voxel.net IN 86097
NS phys.org ns.voxel.net IN 86097

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