What are the online public opinion information websites?

Broadly speaking, there are many online public opinion information websites. Typical news portals, major social networks, China public opinion network and Xinhua public opinion network all belong to the category of online public opinion information websites. However, from a strictly professional point of view, online public opinion information websites are mainly those websites that have big data technology and can provide professional public opinion monitoring services, such as Zhiwei Technology's Big Data public opinion monitoring Network and Ant Fang Software's whole network public opinion monitoring Analysis Network.