If you're looking for a service to keep an eye on your website's sitemap and warn you if there's a problem with indexing, RankWeek could be a good option. The tool checks to make sure your website pages are indexed by Google frequently and has features like daily sitemap monitoring, automatic re-indexing and error page previews. It has plans for different needs, including a free version and a 30-day money-back guarantee.
Another option is Tag Parrot, which offers an automated website indexing service. It offers daily email reports, bulk indexing and live index status updates. Tag Parrot checks your website and sitemaps against Google Search Console daily so you can keep track of your website's indexing. It supports Wix, WordPress and Shopify, among other options, and has flexible pricing for different needs.
For more SEO optimization, Screpy offers a broader suite of tools to monitor your website's performance, including SEO, page speed and uptime. It offers step-by-step instructions and impact scores for improvements, making it a good option for digital agencies and content creators with multiple projects. Screpy uses Google Lighthouse for detailed performance measurements, and offers a 7-day free trial and 14-day money-back guarantee.