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In their certificate details, certificate expiry date is showing 06-Dec-2020 date but when connecting to the webpage Https://acs.icbc.com.cn/ it is showing 'Not Secure' warning for that webpage. So it may happen that certificate is not properly install or browser is not identifying particular certificate authority.

Paypal is good but it transaction charge is high compared to payoneer. So you can use payoneer to pay outside your country.

If you want free ssl certificate then go with Let's encrypt but if you want to go for paid option with affordable SSL certificate then you can compare basic ssl certificates from here https://www.clickssl.net/certificate-to-validate-domain & take your decision.

If article is good then it will automatically pushed by people by giving reference to that particular article in their content or sharing it with others through different platforms such as social platforms etc. RSS feed is used to make aware large number of people regarding the new content (article) so you can use it for article pushing.

Yes, you are right that HTTP/3 is upcoming version of HTTP https://en.wikipedia.org/wiki/HTTP/3. But if talking about HTTP2 then most people still not very much aware of this protocol but it is being used for faster connection https://www.v2ex.com/t/334548#r_4000479

If you are the person who always busy in mobile through conversation with people in the business then TextExpander is the one of the best application which helps in instantly insert snippets of text from a emails & other content. Checkout https://textexpander.com/ It saves your time.

The domain (which will expired by tomorrow) for which you have already renewed SSL certificate, the SSL certificate is effective (depending on the validity of the certificate) also after the expiration of the domain, if you renew that same domain and server is also same. But if server is different then you will have to reissue SSL certificate for that domain. Mostly reissue feature comes with mostly certificate authority SSL certificates https://www.clickssl.net/ssl-certificate-authorities

Comodo certificate authority gives free ssl certificate for 90 days https://www.comodo.com/e-commerce/ssl-certificates/free-ssl-certificate.php

https://www.socialmediaexaminer.com/ - To remain updated with latest tricks for social media
https://www.seroundtable.com/ - To remain updated with latest news
https://www.dontpayfull.com/at/clickssl.net - Not often but while purchasing website security certificate for my friend's company who runs hosting services
https://www.amazon.com/s/browse?_encoding=UTF8&node=16225009011&ref_=nav_shopall-export_nav_mw_sbd_intl_electronics - not often but while want some good deal on electronics items