1.1 sec in total
345 ms
555 ms
189 ms
Welcome to nb.lichess.org homepage info - get ready to check Nb Li Chess best content for United States right away, or after learning these important things about nb.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 random opponents.
Visit nb.lichess.orgWe analyzed Nb.lichess.org page load time and found that the first response time was 345 ms and then it took 744 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
nb.lichess.org performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value3.9 s
53/100
25%
Value2.8 s
95/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value3.9 s
88/100
10%
345 ms
90 ms
74 ms
64 ms
84 ms
Our browser made a total of 18 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Nb.lichess.org, 56% (10 requests) were made to Lichess1.org and 17% (3 requests) were made to D27t3nufpewl0w.cloudfront.net. The less responsive or slowest element that took the longest time to load (345 ms) belongs to the original domain Nb.lichess.org.
Page size can be reduced by 234.4 kB (64%)
364.3 kB
129.9 kB
In fact, the total size of Nb.lichess.org main page is 364.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 201.2 kB which makes up the majority of the site volume.
Potential reduce by 37.7 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 37.7 kB or 80% of the original size.
Potential reduce by 10 B
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Nb Li Chess images are well optimized though.
Potential reduce by 130.8 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 130.8 kB or 65% of the original size.
Potential reduce by 65.9 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Nb.lichess.org needs all CSS files to be minified and compressed as it can save up to 65.9 kB or 75% of the original size.
Number of requests can be reduced by 11 (65%)
17
6
The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nb Li Chess. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
nb.lichess.org
345 ms
css
90 ms
common.css
74 ms
board.css
64 ms
home.css
84 ms
cburnett.css
77 ms
140b14ba2d229e56d261cfcc7f890ab0405bc043_tshirt.png
77 ms
jquery.min.js
47 ms
deps.min.js
65 ms
moment.min.js
65 ms
big.js
80 ms
lichess.lobby.min.js
78 ms
nb.js
79 ms
nb.js
71 ms
3d03bf529bc2e6a0c5ef9b64d489c2285de2da23_explorer-icon.png
70 ms
bb5e97a98333e2e9a59d041bf3a249437bca4f5f_chess_efficiency_marketing-512.png
71 ms
brown.png
63 ms
analytics.js
27 ms
nb.lichess.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
nb.lichess.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
nb.lichess.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
NB
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nb.lichess.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed language. Our system also found out that Nb.lichess.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
nb.lichess.org
Open Graph data is detected on the main page of Nb Li Chess. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: