1.5 sec in total
339 ms
1 sec
188 ms
Visit nb-core.org now to see the best up-to-date NB Core content and also check out these interesting facts you probably never knew about nb-core.org
Legend of the Green Dragon +nb Fork. Contribute to NB-Core/lotgd development by creating an account on GitHub.
Visit nb-core.orgWe analyzed Nb-core.org page load time and found that the first response time was 339 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
nb-core.org performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value4.5 s
36/100
25%
Value5.0 s
64/100
10%
Value820 ms
35/100
30%
Value0
100/100
15%
Value7.1 s
52/100
10%
339 ms
96 ms
186 ms
198 ms
97 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Nb-core.org and no external sources were called. The less responsive or slowest element that took the longest time to load (360 ms) belongs to the original domain Nb-core.org.
Page size can be reduced by 50.0 kB (80%)
62.8 kB
12.8 kB
In fact, the total size of Nb-core.org main page is 62.8 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. Only 10% of websites need less resources to load. HTML takes 27.2 kB which makes up the majority of the site volume.
Potential reduce by 22.3 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 22.3 kB or 82% of the original size.
Potential reduce by 38 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 Core images are well optimized though.
Potential reduce by 20.3 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 20.3 kB or 77% of the original size.
Potential reduce by 7.2 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-core.org needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 84% of the original size.
Number of requests can be reduced by 17 (71%)
24
7
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NB Core. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
nb-core.org
339 ms
script.js
96 ms
style.css
186 ms
sha1.js
198 ms
catbg.jpg
97 ms
smflogo.gif
96 ms
titlebg.jpg
93 ms
upshrink.gif
185 ms
filter.gif
186 ms
off.gif
190 ms
collapse.gif
188 ms
info.gif
191 ms
online.gif
190 ms
login.gif
275 ms
powered-mysql.gif
276 ms
powered-php.gif
283 ms
valid-xhtml10.gif
281 ms
valid-css.gif
283 ms
maintab_first.gif
270 ms
maintab_active_first.gif
354 ms
maintab_active_back.gif
352 ms
maintab_active_last.gif
360 ms
maintab_back.gif
360 ms
maintab_last.gif
359 ms
print.css
96 ms
nb-core.org accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
Links do not have a discernible name
nb-core.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
nb-core.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nb-core.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nb-core.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
nb-core.org
Open Graph description is not detected on the main page of NB Core. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: