What is the situation when the error 'Too Many Requests' often occurs when opening a web page, and the backend can enter normally?

| Question Type | System Type | Software Version | Website Address |
|---|---|---|---|
| Inquire | linux | 3.0.x | [en] https://www.jingangsteels.com/ |
What is the situation when the error 'Too Many Requests' often occurs when opening a web page, and the backend can enter normally?
