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Top Technologies

Apache
Web Servers
Gzip
Compress
Google Font API
Font Scripts
Nginx
Web Servers
Google Analytics
Analytics
WordPress
CMS
Twitter Bootstrap
Web Frameworks
Font Awesome
Font Scripts

56 lyonprof.fr Last Updated: 5 days

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

Desktop

Mobile

Performance Desktop Score 91%
Best Practices Desktop Score 93%
SEO Desktop Score 83%
Progressive Web App Desktop Score 56%
Performance Mobile Score 71%
Best Practices Mobile Score 86%
SEO Mobile Score 93%
Progressive Web App Mobile Score 57%
Page Authority Authority 10%
Domain Authority Domain Authority 3%
Moz Rank 1.0/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 67 Characters
LYONPROFS – COURS PARTICULIERS, SOUTIEN SCOLAIRE ET STAGES SUR LYON
Meta Description 173 Characters
Réseau de professionnels de l'enseignement à Lyon, spécialisés dans les cours particuliers et le soutien scolaire à domicile, pour des élèves de collège, lycée et supérieur.
Effective URL 19 Characters
https://lyonprof.fr
Excerpt Page content
LyonProfs – Cours particuliers, soutien scolaire et stages sur Lyon   Skip to content LyonProfs...
Keywords Cloud Density
cours14 pour12 particuliers8 stages8 nous6 impôt5 domicile5 crédit5 sont5 scolaire5
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
cours 14
pour 12
particuliers 8
stages 8
nous 6
impôt 5
domicile 5
crédit 5
sont 5
scolaire 5
Google Preview Your look like this in google search result
LYONPROFS – COURS PARTICULIERS, SOUTIEN SCOLAIRE ET STAGES S
https://lyonprof.fr
Réseau de professionnels de l'enseignement à Lyon, spécialisés dans les cours particuliers et le soutien scolaire à domicile, pour des élèves de collè
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: 1970-01-01 / 51 years
Create on: 2019-08-01 / 1 year
Expires on: 2020-08-01 / 2 months 21 days

LIGNE WEB SERVICES - LWS LIGNE WEB SERVICES - LWS LIGNE WEB SERVICES - LWS LIGNE WEB SERVICES - LWS LIGNE WEB SERVICES - LWS ,FR FR
Registrar Email: afnic@lws.fr
Registrar Address: 10 Rue de Penthièvre 75008 PARIS SARL LWS 4, rue galvani 75017 Paris ,

Nameservers
ns5.lwsdns.com
ns6.lwsdns.com
ns7.lwsdns.com
ns8.lwsdns.com
Page Size Code & Text Ratio
Document Size: ~624.04 KB
Code Size: ~242.17 KB
Text Size: ~381.87 KB Ratio: 61.19%

Social Data

Delicious Total: 0
Facebook Total: 0
Google Total: 0
Linkedin Total: 0
Pinterest Total: 0
Stumbleupon Total: 0
Tumblr Total: 0
Vk Total: 0

Estimation Traffic and Earnings

8
Unique Visits
Daily
14
Pages Views
Daily
$0
Income
Daily
224
Unique Visits
Monthly
399
Pages Views
Monthly
$0
Income
Monthly
2,592
Unique Visits
Yearly
4,704
Pages Views
Yearly
$0
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
Total Blocking Time 0 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 30 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
JavaScript execution time 0.2 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Keep request counts low and transfer sizes small 18 requests • 1,895 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Reduce initial server response time Root document took 1,580 ms
Keep the server response time for the main document short because all other requests depend on it
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
Serve static assets with an efficient cache policy 17 resources found
A long cache lifetime can speed up repeat visits to your page
Remove unused JavaScript Potential savings of 33 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Time to Interactive 0.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Remove unused CSS Potential savings of 54 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
Avoids enormous network payloads Total size was 1,895 KiB
Large network payloads cost users real money and are highly correlated with long load times
First Meaningful Paint 0.8 s
First Meaningful Paint measures when the primary content of a page is visible
Avoid large layout shifts 1 element found
These DOM elements contribute most to the CLS of the page.
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
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
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
Minimizes main-thread work 0.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Cumulative Layout Shift 0.001
Cumulative Layout Shift measures the movement of visible elements within the viewport
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
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 2.5 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 0.8 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/).
First Contentful Paint 0.4 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 5 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoids an excessive DOM size 246 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 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
Largest Contentful Paint 0.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Properly size images Potential savings of 48 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Serve images in next-gen formats Potential savings of 594 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 25 KiB
Optimized images load faster and consume less cellular data

Mobile

Mobile Screenshot
First CPU Idle 3.4 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/).
Avoid large layout shifts 1 element found
These DOM elements contribute most to the CLS of the page.
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
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
Serve images in next-gen formats Potential savings of 594 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
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
Avoids an excessive DOM size 246 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)
Serve static assets with an efficient cache policy 17 resources found
A long cache lifetime can speed up repeat visits to your page
Speed Index 4.9 s
Speed Index shows how quickly the contents of a page are visibly populated
Efficiently encode images Potential savings of 25 KiB
Optimized images load faster and consume less cellular data
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
Eliminate render-blocking resources Potential savings of 30 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Total Blocking Time 180 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Largest Contentful Paint 6.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Time to Interactive 3.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Remove unused CSS Potential savings of 52 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
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
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 enormous network payloads Total size was 1,895 KiB
Large network payloads cost users real money and are highly correlated with long load times
First Meaningful Paint 3.4 s
First Meaningful Paint measures when the primary content of a page is visible
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
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
Keep request counts low and transfer sizes small 18 requests • 1,895 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Avoid long main-thread tasks 5 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
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
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
Minimize main-thread work 2.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint (3G) 3360 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 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 Contentful Paint 1.7 s
First Contentful Paint marks the time at which the first text or image is painted
Remove unused JavaScript Potential savings of 37 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Reduce initial server response time Root document took 1,050 ms
Keep the server response time for the main document short because all other requests depend on it

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
Congratulations! Your site not have errors W3C
Accelerated Mobile Pages (AMP)
Warning! Your site not have AMP Version
Domain Authority
Warning! Domain Authority of your website is slow. It is good to have domain authority more than 25.
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.

Alexa Rank

99,999,999

Global Rank

99,999,999

-
Traffic
Search

Domain Available

Domain (TDL) and Typo Status
lyonprof.co Available Buy Now!
lyonprof.us Available Buy Now!
lyonprof.com Available Buy Now!
lyonprof.org Available Buy Now!
lyonprof.net Available Buy Now!
lonprof.fr Available Buy Now!
oyonprof.fr Available Buy Now!
pyonprof.fr Available Buy Now!

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/2 200 
server: nginx
date: Fri, 16 Oct 2020 21:42:27 GMT
content-type: text/html; charset=UTF-8
x-powered-by: PHP/7.4.11
link: ; rel="https://api.w.org/", ; rel="alternate"; type="application/json", ; rel=shortlink
vary: Host
cache-control: max-age=5
expires: Fri, 16 Oct 2020 21:42:31 GMT
content-encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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