There are several strategies you can use to increase your subscriber count on YouTube:

Create high-quality, engaging content: The most important factor in attracting and retaining subscribers is to consistently produce content that your audience enjoys. This means creating videos that are informative, entertaining, and visually appealing.

Promote your channel: Make sure to promote your channel and videos on social media, on your blog or website, and through email marketing. You can also collaborate with other creators and cross-promote each other's channels.

Use YouTube's features to your advantage: Utilize YouTube's features, such as end screens and annotations, to encourage viewers to subscribe to your channel. You can also enable YouTube's "subscribe" button on your website or blog.

Engage with your audience: Building a community is key to retaining subscribers. Make sure to respond to comments and engage with your audience through YouTube's community tab and social media.

Consistency is key: Consistently uploading new videos on a regular schedule will help you retain subscribers and attract new ones.

Remember that it takes time to grow a YouTube channel and build an audience. Be patient and keep creating high-quality content that your audience loves.