I followed all installation docs and installed my forum. Then I tested my forum in https://pagespeed.web.dev/ and it showed me that my forum doesn't have a good performance (67%).
I made a test with your forum and it showed me 92% performance.
Maybe there can be some tricks you know how to increase performance of nodebb forum.
My forum https://forum.easy-english-study.com/

I followed all installation docs and installed my forum. Then I tested my forum in https://pagespeed.web.dev/ and it showed me that my forum doesn't have a good performance (67%).
I made a test with your forum and it showed me 92% performance.
Maybe there can be some tricks you know how to increase performance of nodebb forum.
My forum https://forum.easy-english-study.com/

I enabled gzip compression
gzip on;
gzip_disable "msie6";
gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_buffers 16 8k;
gzip_http_version 1.1;
gzip_types
text/plain
text/css
application/json
application/javascript
text/xml
application/xml
application/xml+rss
text/javascript
image/svg+xml;
Now my performance is 86%.