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59 lichess.org Last Updated: 10 months

Success 62% of passed verification steps
Warning 15% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 99%
Best Practices Desktop Score 85%
SEO Desktop Score 90%
Progressive Web App Desktop Score 73%
Performance Mobile Score 96%
Best Practices Mobile Score 85%
SEO Mobile Score 89%
Progressive Web App Mobile Score 74%
Page Authority Authority 55%
Domain Authority Domain Authority 59%
Moz Rank 5.5/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 31 Characters
LICHESS.ORG •--- ONLINE CHESS
Meta Description 162 Characters
Free online chess server. Play chess in a clean interface. No registration, no ads, no plugin required. Play chess with the computer, friends or random opponents.
Effective URL 19 Characters
https://lichess.org
Excerpt Page content
lichess.org •--- Online ChessAccessibility: Enable blind mode lichess.orgPlaylichess.orgCreate a gameTournamentsSimultaneous exhibitionsLearnChess basicsPuzzlesPracticeCoordinatesStudyCoachesWatchLichess TVCurrent gamesStreamersBroadcastsVideo li...
Keywords Cloud Density
lichess12 game7 play6 more6 monthly6 hourly5 players5 arena5 chess4 tips4
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
lichess 12
game 7
play 6
more 6
monthly 6
hourly 5
players 5
arena 5
chess 4
tips 4
Google Preview Your look like this in google search result
LICHESS.ORG •--- ONLINE CHESS
https://lichess.org
Free online chess server. Play chess in a clean interface. No registration, no ads, no plugin required. Play chess with the computer, friends or rando
Robots.txt File Detected
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: 2019-06-01 / 1 year
Create on: 2010-06-14 / 10 years
Expires on: 2020-06-14 / 3 months 7 days

OVH ,FR
Registrar Whois Server: whois.ovh.net
Registrar URL: http://www.ovh.com

Nameservers
DNS200.ANYCAST.ME
NS200.ANYCAST.ME
Page Size Code & Text Ratio
Document Size: ~27.5 KB
Code Size: ~20.08 KB
Text Size: ~7.42 KB Ratio: 26.99%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

lichess.org lichess.org lichess.org

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
lichess.org
Param short_name
lichess.org
Param start_url
.
Param display
standalone
Param background_color
#317EFB
Param theme_color
#161512
Param description
The (really) free, no-ads, open source chess server.

Desktop

Desktop Screenshot
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
Server response times are low (TTFB) Root document took 320 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
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.1 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 0.7 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 0.7 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 159 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 0.3 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 1 vulnerability detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 6 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 557 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 28 requests • 159 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Uses efficient cache policy on static assets 0 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 30 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 0.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive

Mobile

Mobile Screenshot
Server response times are low (TTFB) Root document took 110 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 180 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 110 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.4 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Defer offscreen images Potential savings of 2 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to 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
Speed Index 2.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 3.0 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 159 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.0 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 1 vulnerability detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 6 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 554 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 2.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 28 requests • 159 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Uses efficient cache policy on static assets 0 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 210 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 3.2 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) 3975 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
Tap targets are not sized appropriately 71% 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 89.99% 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

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
Server: nginx
Date: Thu, 28 Nov 2019 09:10:37 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Vary: Accept
Expires: 0
Set-Cookie: lila2=00de3e0084b6f61fc00129e2d34b4ce78bb12924-sid=HQgMbnLOhlvblEKiX0CZwV; Max-Age=31536000; Expires=Fri, 27 Nov 2020 09:10:37 GMT; Path=/; Domain=lichess.org; Secure; HTTPOnly
Cache-Control: no-cache, no-store, must-revalidate
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Expect-CT: max-age=31536000, enforce
X-Frame-Options: DENY
Origin-Trial: AspfhO3b9GtquBe/5I43ylqEt1qGmNZL2EcYHQb2u+faCoomm4FVCxxVoG5fDmYKML5qHhQ5HToQQHvt9YrH+gIAAABKeyJvcmlnaW4iOiJodHRwczovL2xpY2hlc3Mub3JnOjQ0MyIsImZlYXR1cmUiOiJQTmFDbCIsImV4cGlyeSI6MTU3NTQxNzU5OX0=
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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