It can be a useful reference, it's important to note that changes in DA can be influenced by various factors and may not occur with every update. If you have noticed that your DA has not changed, it could be due to a variety of reasons such as relative changes in your niche, the timing of the latest update, or other factors influencing your website's https://schoolofbitcoin.com/ authority. It's recommended to focus on improving overall website quality, including content, backlinks, and user experience, rather than solely relying on DA as a measure of success.