Why do some websites view the source code of the page without the data of the page? And some websites do?

for example, on the website www.qq.com, you can right-click and send out the source code with today"s latest data

while news.qq.com does not have

could you tell me why this is so? Is the technology used different? Preliminary suspicion is that the front and rear ends are separated?

if the website made by yourself does not have the content returned by the source code, what should I do to have it?

because seo wants to promote, the website must be able to look up the source code of the new content and ask for advice with an open mind.

Javascript html html5 typescript sass

Mar.04,2022

if you render with the server, you can see the source code, because the content of the web page will be returned as a string to the browser

to write more keywords, which is enough to meet the requirements of seo.

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Hurry! How to monitor the value change of the page?
1. Requirements: the page first renders a pile of data (old values), then returns changed data (new values) every 3 seconds, and re-renders the corresponding data on the page (the old values will be overwritten by new values). 2. Problem: if the newly r...

Javascript html html5 typescript sass

Aug.06,2021

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-64f5-1b373f1-2c075.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b373f1-2c075.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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