I launched a free image tool 30 days ago. Here's what Google did next

30 days ago I launched RelahConvert — a free browser-based image toolkit with 37 tools across 25 languages. I thought the hard part was building it. I was wrong. The First Week Felt Amazing Impressions climbed daily. Pages were getting indexed fast. GSC was showing 100-150 impressions per day. I thought I was onto something. Then Google pulled the rug. The Drop Nobody Warns You About Around day 20, impressions crashed to near zero. Some days literally 0 or 1 impression. Meanwhile GSC kept indexing more pages. 207 indexed. Then 952 Pages being discovered. But impressions? Flatline. I spent days trying to figure out what I did wrong. What I Actually Found Running a Semrush audit revealed three real issues: 48 hreflang conflicts — my language pages had canonical tags pointing to the English version instead of themselves. Google was getting contradictory signals on 48 pages. 24 incorrect sitemap URLs — a trailing slash inconsistency between my sitemap and canonical tags. The sitemap said /