Several factors might be causing the 'sitemap could not be read' error in Shopify:
Incorrect Sitemap URL: The most common issue is providing an incorrect sitemap URL to search engines. Ensure that the sitemap URL is correct and can be accessed without any issues.
Robots.txt Blocking: The robots.txt file in your root directory might be blocking search engine bots from accessing and reading your sitemap.
Shopify Server Issues: In some cases, temporary server issues on Shopify's end can cause your sitemap to be unreadable.
Sitemap Format Errors: The sitemap might contain errors or it might not be formatted correctly according to XML standards.
Here are some possible solutions to rectify the 'sitemap could not be read' error in Shopify:
Verify Sitemap URL: Ensure that the sitemap URL you've provided to search engines is correct. The default Shopify sitemap URL usually follows this format:
Check robots.txt file: Review your site's robots.txt file to ensure it's not blocking search engine bots from accessing your sitemap. You can view your robots.txt file by appending '/robots.txt' at the end of your store URL.
Contact Shopify Support: If there's a server issue, reach out to Shopify's support team for assistance. They may be able to provide more information or resolve the problem.
Correct Sitemap Format: Use a sitemap validator tool online to validate your sitemap's format. If any errors are detected, you might need to regenerate or correct your sitemap. Shopify automatically generates a correctly formatted sitemap for you, but if you've made custom modifications, it's worth checking.