Via the Algolia dashboard: some ranking can be applied from the dashboard itself (Search > Index > Configuration > Ranking and Sorting), see documentation. These settings are not overridden by the Crawler config at each crawl.
The free DocSearch plan, doesn't include technical web support from the Support team. For further assistance, you can post your question on the Algolia Community Forum or Discord. For front-end issues, you can raise the issue directly on GitHub. In addition, you can review our DocSearch Documentation and FAQ.