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EUROPEAN RESPIRATORY SOCIETY
ersnet.org

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Top Technologies

Google Font API
Font Scripts
WordPress
CMS
CloudFlare
CDN
Nginx
Web Servers
Font Awesome
Font Scripts
Google Tag Manager
Tag Managers
Apache
Web Servers
Twitter Bootstrap
Web Frameworks

44 ersnet.org Last Updated: 2 months

Success 55% of passed verification steps
Warning 7% of total warning
Errors 38% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 68%
Best Practices Desktop Score 86%
SEO Desktop Score 67%
Progressive Web App Desktop Score 30%
Performance Mobile Score 31%
Best Practices Mobile Score 79%
SEO Mobile Score 70%
Progressive Web App Mobile Score 32%
Page Authority Authority 44%
Domain Authority Domain Authority 60%
Moz Rank 4.4/10
Bounce Rate Rate 0%
charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 29 Characters
EUROPEAN RESPIRATORY SOCIETY
Meta Description 0 Characters
NO DATA
Effective URL 22 Characters
https://www.ersnet.org
Excerpt Page content
European Respiratory Society European Respiratory Society ...
Keywords Cloud Density
respiratory46 online21 research19 european17 lung15 read12 clinical11 adult10 hermes10 more10
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
respiratory 46
online 21
research 19
european 17
lung 15
read 12
clinical 11
adult 10
hermes 10
more 10
Google Preview Your look like this in google search result
EUROPEAN RESPIRATORY SOCIETY
https://www.ersnet.org
European Respiratory Society European Respiratory Society ...
Robots.txt File Detected
Sitemap.xml File No Found
Page Size Code & Text Ratio
Document Size: ~77.73 KB
Code Size: ~49.34 KB
Text Size: ~28.39 KB Ratio: 36.52%

Social Data

Delicious Total: 0
Facebook Total: 2,686
Google Total: 0
Linkedin Total: 0
Pinterest Total: 0
Stumbleupon Total: 0
Tumblr Total: 0
Vk Total: 0

Estimation Traffic and Earnings

3,102
Unique Visits
Daily
5,738
Pages Views
Daily
$4
Income
Daily
86,856
Unique Visits
Monthly
163,533
Pages Views
Monthly
$100
Income
Monthly
1,005,048
Unique Visits
Yearly
1,927,968
Pages Views
Yearly
$1,056
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
Reduce initial server response time Root document took 680 ms
Keep the server response time for the main document short because all other requests depend on it
Preload key requests Potential savings of 1,200 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Avoid long main-thread tasks 2 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Total Blocking Time 80 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
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
First CPU Idle 1.8 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/).
Cumulative Layout Shift 0.004
Cumulative Layout Shift measures the movement of visible elements within the viewport
Avoid an excessive DOM size 898 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)
Avoid chaining critical requests 10 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
Remove unused JavaScript Potential savings of 245 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Time to Interactive 2.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Replace unnecessarily large JavaScript libraries 1 large library found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
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
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
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
Avoid enormous network payloads Total size was 3,943 KiB
Large network payloads cost users real money and are highly correlated with long load times
Speed Index 2.1 s
Speed Index shows how quickly the contents of a page are visibly populated
Serve images in next-gen formats Potential savings of 2,312 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
Efficiently encode images Potential savings of 1,154 KiB
Optimized images load faster and consume less cellular data
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 Contentful Paint 1.2 s
First Contentful Paint marks the time at which the first text or image is painted
Keep request counts low and transfer sizes small 61 requests • 3,943 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
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
Eliminate render-blocking resources Potential savings of 300 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Remove unused CSS Potential savings of 92 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
Links do not have descriptive text 8 links found
Descriptive link text helps search engines understand your content
Includes front-end JavaScript libraries with known security vulnerabilities 11 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Properly size images Potential savings of 216 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Largest Contentful Paint 4.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Serve static assets with an efficient cache policy 45 resources found
A long cache lifetime can speed up repeat visits to your page
Defer offscreen images Potential savings of 205 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to 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
Max Potential First Input Delay 210 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
First Meaningful Paint 1.3 s
First Meaningful Paint measures when the primary content of a page is visible
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 12.9 s
A fast page load over a cellular network ensures a good mobile user experience

Mobile

Mobile Screenshot
Time to Interactive 12.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Page load is not fast enough on mobile networks Interactive at 12.5 s
A fast page load over a cellular network ensures a good mobile user experience
JavaScript execution time 1.2 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Preload key requests Potential savings of 5,550 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Largest Contentful Paint 19.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted
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
Cumulative Layout Shift 0.003
Cumulative Layout Shift measures the movement of visible elements within the viewport
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
Remove unused JavaScript Potential savings of 245 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
First Contentful Paint 4.6 s
First Contentful Paint marks the time at which the first text or image is painted
Tap targets are not sized appropriately 93% 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
First Meaningful Paint 5.5 s
First Meaningful Paint measures when the primary content of a page is visible
Links do not have descriptive text 8 links found
Descriptive link text helps search engines understand your content
Serve static assets with an efficient cache policy 45 resources found
A long cache lifetime can speed up repeat visits to your page
Serve images in next-gen formats Potential savings of 2,312 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
First CPU Idle 8.1 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/).
Minimize main-thread work 3.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Efficiently encode images Potential savings of 1,154 KiB
Optimized images load faster and consume less cellular data
Avoid large layout shifts 4 elements found
These DOM elements contribute most to the CLS of the page.
Remove unused CSS Potential savings of 93 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
Avoid enormous network payloads Total size was 3,944 KiB
Large network payloads cost users real money and are highly correlated with long load times
First Contentful Paint (3G) 9600 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Avoid chaining critical requests 10 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 1,620 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Reduce initial server response time Root document took 630 ms
Keep the server response time for the main document short because all other requests depend on it
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
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
Speed Index 8.5 s
Speed Index shows how quickly the contents of a page are visibly populated
Max Potential First Input Delay 700 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Replace unnecessarily large JavaScript libraries 1 large library found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
Keep request counts low and transfer sizes small 62 requests • 3,944 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Avoid an excessive DOM size 898 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)
Total Blocking Time 520 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Includes front-end JavaScript libraries with known security vulnerabilities 11 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Defer offscreen images Potential savings of 915 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Avoid long main-thread tasks 8 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
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

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
Congratulations! Your title is optimized
Description Website
Warning! Your description is not optimized
Robots.txt
Congratulations! Your site 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
Warning! You have broken links View links

Alexa Rank

316,080

Global Rank

30,883

Morocco
Traffic
Search

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/2 200 
date: Tue, 06 Oct 2020 19:23:37 GMT
server: Apache
cache-control: public, s-maxage=604800
x-content-digest: en2aa17226e5a91a1aaa3e1515ca6fde8f5847e182edbe070e68e028bfa9abe669
age: 14692
strict-transport-security: max-age=16000000
vary: Accept-Encoding
content-encoding: gzip
content-type: text/html; charset=UTF-8
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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