Web sites still exist that either do not provide for https:// (secure http) traffic, or do, but with older SHA-1 certificates that do not implement the SHA-256 standard. Here is why, if you own one of these sites, you should upgrade them now ---
The IT industry wants all web site traffic to be encrypted, and is employing different strategies to make that happen. One is to increase the number of warning messages from web browsers about unencrypted or under-encrypted web pages. Another is Google's PageRank algorithm, which currently scores encrypted pages
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