CSS Animation applied to SVG line art can be used to create the perception of a line being draw. The effect draws attention to the line, which can continue and to tell a story.
PWA Progressive Web Applications
PWAs allow all the functionality of a web based application to run and be used while offline like a native application. For a stand alone PWA the browser menus, and tabs are removed so the application feels like a native computer application.
PWA Minimum Template
A basic template is a useful starting point for creating or troubleshooting a Progressive Web Application. The template is fully explained.
Server Sent Events - PHP Example
Server-Sent Events (SSE) provide real-time communication from a server to the client, (note: WebSockets are bidirectional). They are useful to keep the client updated on a process that has begun on the server; or provide streaming updates for information the server can provide such as sports scores, stock updates, or even a chat feed. The benefit of real-time SSE over polling is a reduction of lag time, caused by delays in creating new connections and delays to request new data.
SSH (Hosts.allow, Hosts.deny) blacklist IPv6 but not IPv4
To blacklist all IPV6 addresses from your server SSH services add sshd: [2000::]/3 to your /etc/hosts.deny file. Note there is no space after the 3. All rules in the hosts files must end in a new line or enter charactor. See post for a complete example and explanation.
The optimum URL structure for SEO
What is the optimum URL structure is a common re-accruing question from people building sites. They look at search results and they see a common pattern of URL structures ... Is it because these structure are better for SEO or is there another reason?