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Web Frameworks

55 fas.org Last Updated: 4 weeks

Success 47% of passed verification steps
Warning 23% of total warning
Errors 30% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 75%
Best Practices Desktop Score 79%
SEO Desktop Score 75%
Progressive Web App Desktop Score 30%
Performance Mobile Score 31%
Best Practices Mobile Score 79%
SEO Mobile Score 77%
Progressive Web App Mobile Score 32%
Page Authority Authority 63%
Domain Authority Domain Authority 82%
Moz Rank 6.3/10
Bounce Rate Rate 0%
charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 77 Characters
FEDERATION OF AMERICAN SCIENTISTS – SCIENCE FOR A SAFER, MORE INFORMED WORLD.
Meta Description 0 Characters
NO DATA
Effective URL 15 Characters
https://fas.org
Excerpt Page content
Federation Of American Scientists – Science for a safer, more informed world. Toggle navigation Navigation About FAS Staff Boards Awards Event...
Keywords Cloud Density
nuclear16 hans12 kristensen12 read10 more10 secrecy6 weapons6 military6 reports5 report5
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
nuclear 16
hans 12
kristensen 12
read 10
more 10
secrecy 6
weapons 6
military 6
reports 5
report 5
Google Preview Your look like this in google search result
FEDERATION OF AMERICAN SCIENTISTS – SCIENCE FOR A SAFER, MOR
https://fas.org
Federation Of American Scientists – Science for a safer, more informed world. Toggle navigation Navigation About FAS Staff Boards Awards Event...
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: 2019-01-02 / 2 years
Create on: 1995-03-23 / 26 years
Expires on: 2021-03-24 / 3 months 23 days

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

Nameservers
LILY.NS.CLOUDFLARE.COM
LAKAS.NS.CLOUDFLARE.COM
Page Size Code & Text Ratio
Document Size: ~76.13 KB
Code Size: ~53.99 KB
Text Size: ~22.14 KB Ratio: 29.08%

Social Data

Delicious Total: 0
Facebook Total: 8,221
Google Total: 0
Linkedin Total: 0
Pinterest Total: 0
Stumbleupon Total: 0
Tumblr Total: 0
Vk Total: 0

Estimation Traffic and Earnings

7,892
Unique Visits
Daily
14,600
Pages Views
Daily
$9
Income
Daily
220,976
Unique Visits
Monthly
416,100
Pages Views
Monthly
$225
Income
Monthly
2,557,008
Unique Visits
Yearly
4,905,600
Pages Views
Yearly
$2,376
Income
Yearly

Technologies

PWA - Manifest

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

Desktop

Desktop Screenshot
Remove unused JavaScript Potential savings of 583 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Defer offscreen images Potential savings of 22 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Serve static assets with an efficient cache policy 7 resources found
A long cache lifetime can speed up repeat visits to your page
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
Eliminate render-blocking resources Potential savings of 960 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Initial server response time was short Root document took 100 ms
Keep the server response time for the main document short because all other requests depend on it
Total Blocking Time 110 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
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
Time to Interactive 3.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Minimize third-party usage Third-party code blocked the main thread for 180 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
Minify CSS Potential savings of 3 KiB
Minifying CSS files can reduce network payload sizes
Largest Contentful Paint 2.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Avoid serving legacy JavaScript to modern browsers Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers
Serve images in next-gen formats Potential savings of 390 KiB
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 an excessive DOM size 1,056 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)
Minimizes main-thread work 1.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First CPU Idle 2.7 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/).
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 13.9 s
A fast page load over a cellular network ensures a good mobile user experience
User Timing marks and measures 4 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Links do not have descriptive text 10 links found
Descriptive link text helps search engines understand your content
Enable text compression Potential savings of 95 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Max Potential First Input Delay 150 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
First Contentful Paint 1.0 s
First Contentful Paint marks the time at which the first text or image is painted
Avoids large JavaScript libraries with smaller alternatives 0 large libraries found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
Cumulative Layout Shift 0.042
Cumulative Layout Shift measures the movement of visible elements within the viewport
Avoid long main-thread tasks 4 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
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
Properly size images Potential savings of 209 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Includes front-end JavaScript libraries with known security vulnerabilities 5 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
JavaScript execution time 0.5 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Avoid large layout shifts 3 elements found
These DOM elements contribute most to the CLS of the page.
Remove unused CSS Potential savings of 105 KiB
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
Keep request counts low and transfer sizes small 87 requests • 1,957 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
First Meaningful Paint 1.2 s
First Meaningful Paint measures when the primary content of a page is visible
Speed Index 1.5 s
Speed Index shows how quickly the contents of a page are visibly populated
Avoids enormous network payloads Total size was 1,957 KiB
Large network payloads cost users real money and are highly correlated with long load times

Mobile

Mobile Screenshot
Page load is not fast enough on mobile networks Interactive at 13.4 s
A fast page load over a cellular network ensures a good mobile user experience
Avoid large layout shifts 4 elements found
These DOM elements contribute most to the CLS of the page.
Includes front-end JavaScript libraries with known security vulnerabilities 5 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Time to Interactive 13.4 s
Time to interactive is the amount of time it takes for the page to become fully 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
Defer offscreen images Potential savings of 3 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Avoid serving legacy JavaScript to modern browsers Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers
Avoids enormous network payloads Total size was 1,917 KiB
Large network payloads cost users real money and are highly correlated with long load times
Enable text compression Potential savings of 98 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Remove unused JavaScript Potential savings of 600 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
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
Initial server response time was short Root document took 50 ms
Keep the server response time for the main document short because all other requests depend on it
Serve static assets with an efficient cache policy 6 resources found
A long cache lifetime can speed up repeat visits to your page
First Contentful Paint 3.7 s
First Contentful Paint marks the time at which the first text or image is painted
Largest Contentful Paint 13.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted
First CPU Idle 11.9 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/).
Total Blocking Time 760 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Max Potential First Input Delay 490 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Eliminate render-blocking resources Potential savings of 3,090 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Minimize main-thread work 3.6 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
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) 7500 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 170 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
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 105 KiB
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
User Timing marks and measures 4 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Reduce JavaScript execution time 2.0 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Avoids large JavaScript libraries with smaller alternatives 0 large libraries found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
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 84 requests • 1,917 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Links do not have descriptive text 10 links found
Descriptive link text helps search engines understand your content
Tap targets are not sized appropriately 83% 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
Speed Index 6.0 s
Speed Index shows how quickly the contents of a page are visibly populated
Avoid long main-thread tasks 11 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Minify CSS Potential savings of 3 KiB
Minifying CSS files can reduce network payload sizes
Cumulative Layout Shift 0.079
Cumulative Layout Shift measures the movement of visible elements within the viewport
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
Serve images in next-gen formats Potential savings of 372 KiB
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 an excessive DOM size 1,057 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)

Speed And Optimization Tips

Website speed has a huge impact on performance, affecting user experience, conversion rates and even rankings. ‪‬‬By reducing page load-times, users are less likely to get distracted and the search engines are more likely to reward you by ranking you
Title Website
Warning! Your title is not optimized
Description Website
Warning! Your description is not optimized
Robots.txt
Warning! Your site not have a robots.txt file
Sitemap.xml
Warning! Not found a sitemap file for your website
SSL Secure
Congratulations! Your site have Support to HTTPS
Headings
Congratulations! You are using your H1 and H2 tags in your site
Blacklist
Congratulations! Your site is not listed in a blacklist
W3C Validator
Warning! Your site have errors W3C
Accelerated Mobile Pages (AMP)
Warning! Your site not have AMP Version
Domain Authority
Congratulations! Your Domain Authority is good
GZIP Compress
Warning! Your site not is compressed, this can make slower response for the visitors
Favicon
Congratulations! Your website appears to have a favicon.
Broken Links
Congratulations! You not have broken links View links

Alexa Rank

30,087

Global Rank

8,624

United States
Traffic
Search

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/2 403 
date: Tue, 03 Nov 2020 03:00:01 GMT
content-type: text/html; charset=UTF-8
set-cookie: __cfduid=d84c1e9e009ab96a4a0c71884cd88ada31604372401; expires=Thu, 03-Dec-20 03:00:01 GMT; path=/; domain=.fas.org; HttpOnly; SameSite=Lax; Secure
cache-control: max-age=15
expires: Tue, 03 Nov 2020 03:00:16 GMT
x-frame-options: SAMEORIGIN
cf-request-id: 062da5253b00002fda3030d000000001
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary: Accept-Encoding
server: cloudflare
cf-ray: 5ec2d7b52e692fda-ORD
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments