Recently, on-chain data keeps "hanging," and many people's first reaction is to blame the wallet/exchange. In fact, it's often the indexer or Subgraph gasping for breath behind the scenes. On-chain data is a bunch of raw logs; someone has to organize it into a readable table for you. If the indexing can't keep up, it will cause delays; plus, with RPC rate limiting, during peak times, requests get throttled, making the page look like it's frozen, but actually it's just queuing.

At this point, the more memes or celebrities shout, the more attention shifts, and newcomers rush in to refresh queries and trades, causing even faster congestion... Veteran players say not to take the last baton, and I believe it—at least check the congestion and active addresses first, don’t just look at the candlestick charts for excitement. (Bullet comment: Don’t worry, maybe the data is just on the way.)