Why does Google fund its competitors?

It has been several months since Google's Chrome browser gained more in its market share, as opposed to its open-source competitor Firefox's growth rate. In fact, more analysts believe Chrome will outperform Firefox in the next year. The success of Mozilla's Firefox browser comes from the open-source community, but many people do not think Mozilla will earn a majority of its revenue from Google.

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But in fact, Mozilla still generates revenue mainly from search engines. Mozilla and Google are about to expire. Will there be any changes between them?

I think there is no doubt that Google still supports Mozilla, and Mozilla is also diversify its revenue sources. As ZDNet said:

Mozilla is faced with a variety of tests-development speed improvement, mobile tools, and revenue diversification-but the most important thing is how the organization increases fundraising. Mozilla employs senior professional managers to increase online revenue. These hiring and infrastructure changes will diversify Mozilla's revenue.

You can view Mozilla's annual financial report, as stated in the report:

Most of Mozilla's revenue comes from search functions, including Google, Bing, Yahoo, Yandex, Amazon, and Ebay. Mozilla reports also include donations from important individuals and enterprises.

Although Goole's Chrome browser has made great strides, it is still subsidizing Mozilla, because Google's business is driven by the Search/advertisement ecosystem, and more is better. In February November, when Mozilla and Google sit down and talk about cooperation and bargaining, the terms may change, but I bet that Google will update the cooperation agreement again.