1. Technology
Master two back-end languages, php and java, mainly php; php must master tp5, laravel framework, java to be determined;
Master front-end html5, css3, javascript, typescript, angular, vue;
Master database mysql, index, redis, memcache and other advanced functions;
Master the linux system;
2. Application
cms: dedecms, phpcms, imperial cms, etc.
Blog: wordpress etc.
Mall: ecshop, tpshop, etc.
Forum: discuz etc.
erp, app, WeChat applet, official account, etc.
After mastering the above-mentioned technologies and applications, they will develop in the direction of architects and develop in theory.