this is TWO things confused me that how should I submit my sitemap.
First. It is understood that a sitemap can be submitted with cURL. https://support.google.com/webmasters/answer/183668?hl=en
However, every time the sitemap submission doesnt reflect in the web portal. The timestamp in the webportal only shows the time I submit the sitemap in through the webportal.
Why they are different? Is submitting via curl working?
Second I found that google only crawl my website just after the first time I submit the sitemap. I update my site and sitemap regularly, and hoping google can crawl my site. However, it seems that google never come back.
What is wrong with these?