WWW in a URL stands for "World Wide Web." It's a traditional prefix indicating the resource is part of the web. HTTP, or Hypertext Transfer Protocol, is the underlying protocol used for communication between web browsers and servers on the internet. It enables the transfer of hypertext, such as HTML pages, images, and other resources, across the World Wide Web.

Everything is ok

  https://casahub.md/

STATUS 200 OK

Header	Value
Cache-Control	no-store, no-cache, must-revalidate
Connection	keep-alive
Content-Security-Policy	frame-ancestors 'self' https://metrika.yandex.ru http://metrika.yandex.ru https://metrika.yandex.by http://metrika.yandex.by https://metrica.yandex.com http://metrica.yandex.com https://metrica.yandex.com.tr http://metrica.yandex.com.tr https://webvisor.com http://webvisor.com;
Content-Type	text/html; charset=utf-8
Date	Sun, 13 Oct 2024 00:00:59 GMT
Expires	Thu, 19 Nov 1981 08:52:00 GMT
Keep-Alive	timeout=60
Pragma	no-cache
Server	nginx/1.24.0
Set-Cookie	incap_ses_260_2861015=uWPRAb+nAARxhHpgtLSbA7oNC2cAAAAAMin2fkSt4WGzjla99NI7cg==; path=/; Domain=.casahub.md
Strict-Transport-Security	max-age=31536000
Transfer-Encoding	chunked
Vary	Accept-Encoding
X-CDN	Imperva
X-Cache	HIT from Backend
X-Content-Type-Options	nosniff
X-Frame-Options	ALLOW-FROM ^https?:\/\/([^\/]+\.)?(casahub\.md|webvisor\.com|metri[ck]a\.yandex\.(com|ru|by|com\.tr))\/
X-Iinfo	12-165935000-165935058 NNNN CT(60 35 0) RT(1728777657911 219) q(0 0 1 2) r(4 5) U12
X-XSS-Protection	1; mode=block

  http://www.casahub.md

STATUS 301 Moved Permanently

Header	Value
Connection	keep-alive
Content-Length	169
Content-Type	text/html
Date	Sun, 13 Oct 2024 00:00:58 GMT
Keep-Alive	timeout=60
Location	https://casahub.md/
Server	nginx/1.24.0
Set-Cookie	incap_ses_1091_2861015=pJphUSQKIiE2BEyE3QIkD7kNC2cAAAAAFd0YYrQaKp+/r3l1f0OG/g==; path=/; Domain=.casahub.md
X-CDN	Imperva
X-Cache	HIT from Backend
X-Content-Type-Options	nosniff
X-Iinfo	12-28346899-28346900 NNNN CT(29 -1 0) RT(1728777657879 1) q(0 0 1 0) r(1 1) U11
X-XSS-Protection	1; mode=block

WWW HTTP is properly configured

Properly configuring WWW and HTTP for a website involves ensuring that both URL formats (with and without WWW) lead to the same content, that the website loads content efficiently over HTTP, and that appropriate SEO and redirection measures are in place. While security can be enhanced through other means, it's crucial to note that modern web standards strongly recommend the use of HTTPS for secure communication. Proper configuration aims to provide a seamless user experience and maintain the website's accessibility and performance.