![Upgrading Drupal 7 to Drupal 9](/sites/default/files/media-image/2022-09/1.png)
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![Development levels](/sites/default/files/media-image/2020-07/steps.jpg)
- Level 1: Acquired foundational logic and programming knowledge.
- Level 2: Engaged in hands-on programming practices and problem-solving.
- Level 3: Underwent training in an established development company.
- Level 4: Addressed standard tasks with some guidance.
- Level 5: Completed standard tasks independently.
- ...
![Who can use Drupal?](/sites/default/files/media-image/2020-07/who-can-use-drupal.jpg)
![Making project done easy or difficult](/sites/default/files/media-image/2020-07/Depositphotos_26152643_s-2019.jpg)
Please don't think this is a bad question. This is a serious question and I'm sharing a serious answer.
I am using Drupal, but I need to use NodeJS to build chat features. I read from the internet that "NodeJS is faster than PHP", but no explanation can make me convinced.
I thought and found the answer to explain myself. Let me start to share:
![How does Robot build website?](/sites/default/files/media-image/2020-06/img_bg_2_0_1.jpg)
"If you can't explain it simply, you don't understand it well enough." (Albert Einstein)
To be able to let a Robot build a website successfully, we need to simply provide the understanding required to deliver the optimal result.