140 posts
On November 19 my site's ads suddenly went blank and I got the Google AdSense email "An ad serving limit has been placed on your AdSense account". It was fully restored on December 14.
DDoS attacks are painful for individuals and for small and medium internet companies alike — even some large enterprises struggle with them. Here's my own take on how Cloudflare, a top-tier CDN and security vendor, absorbs DDoS attacks.
Recently the Baidu Analytics dashboard has been flooded with ads — traffic buying, invoice agents, SEO, cloud hosting and so on — badly interfering with normal statistics. Here's how I fixed it, shared for other webmasters.
CentOS 8 support ends in 2021. CentOS 7, as the long-term support release, will continue to be supported until its own lifecycle ends, and CentOS Stream becomes the focus. At the end of 2021 CentOS 8 stops being maintained, while CentOS 7 stays supported until 2024.
The last post covered Spring Boot back-end optimization and technology choices. This one is about front-end page performance optimization, mainly targeting the criteria Google publishes. Baidu's white paper isn't included.
The last post covered buying and configuring the server. This one is about Spring Boot optimization and technology choices: I switched to the more efficient FreeMarker, added Redis caching, added performance statistics, and added GitHub Actions workflows.
The last post covered buying and configuring the server. This one is about caching strategy — not just the Redis cache inside the application, but also caches at external cloud services like a CDN. Use caching well and your site opens instantly.
The last post was about choosing a network. This one is about choosing and configuring a server. There are many types of cloud servers, each aimed at a different scenario; I'm only describing my own, so weigh it against your actual situation.
In this year's update, the very first thing I considered was where to deploy the program, which data center to pick, and which network to use. So part one shares my reasoning and experience.
By habit I do one major update of my personal site's program every year, and the 2020 one is here. This year's theme is speed — a summary of a year's technical progress and site optimization.
