There are many tools on the Internet to check whether the domain name is blocked by Wechat. Does anyone know the specific implementation principle?

there are many tools to check whether the domain name is blocked by Wechat. Does anyone know the specific implementation principle?

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Dec.03,2021

guess: Wechat grabs the bag directly. Wechat needs to access the domain name before jumping, so you should be able to get this request.

I didn't verify it, but I think it should be like this: in Wechat, we all know that he has a built-in browser. When visiting a URL, he should go to Wechat's URL first, and then jump to the URL you want to open. In the middle, I think he has verified whether your URL is blocked

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1eaa1c9-1fae.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eaa1c9-1fae.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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