The server has received the request and is processing it, but no response is available yet.
HTTP 102 Processing (WebDAV) is sent to prevent the client from timing out while the server processes a complex request. It indicates that the server received the full request and is working on it.
No SEO impact. Rarely encountered by search engine crawlers.
Frequent 102 responses may indicate server performance issues. LemWatch tracks response times to help identify slow endpoints.