The browser caches pictures, is it a negotiation cache or a strong cache?

empty page this only quotes an image, does not set cache-control and so on is certainly not a strong cache, if the cache is negotiated, why is there no request for each refresh request, shouldn"t it be 304? How do you explain this? Xiaobai begged for popular science!

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Java cache html javascript
May.10,2021

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you choose xhr filter here, switch to all or img.

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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-64f5-1e9a076-179f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9a076-179f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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