Many operations and developments encounter a “redirection chain and how to clean up in bulk”, looking directly for a plugin or a fixed parameter, but the real starting point is to sort out the problem. Multiple re-direction increases delays, captures costs and failure points, and the cycle stops access directly. First, it is determined whether the individual URLs, certain types of templates or whole stations are affected, and the treatment is completely different.
The key rationale here is that all old addresses should reach the final equivalent URL as far as possible. Therefore, a current status snapshot should be made, written into the log URL status, internal links, capture time and natural search performance, and then revised to avoid historical fluctuations as an optimisation.
The more conservative approach is to grab 3xx from the whole site, expand the Location chain, update the internal link and rule sheet, and consolidate the historical rules into a single jump relationship between the source URL and the final URL. If the site is large, you can first select a high-value catalogue pilot; if it is a small station, you can give priority to the first page, core classification and content that generates the query, without having to cover all URLs in form.
The change is reviewed with the same calibre: double-check status code, target relevance, high-flow URLs in the outer chain and double jumps in the server log.
There is a need to avoid, in particular, large-scale regular rules that are easily matched by error. Old new maps and samples must be kept and sampled before they are cleared.
When you actually reset, you can choose a successful URL and a failed URL in parallel. Write them to the log around the redirected chain, and their entry, content difference, capture status and transformation results will make it easier to form a clear next set of actions than to look at the average of the entire station.
If operational and development resources are limited, this method is applied first to URLs that can generate queries or take on important navigation. Once single-stroke targets and rule sheets are passed steadily, they are extended to the low-flow catalogue to avoid over-receiving and unprocessed results.