🔧 WordPress Plugin Conflicts, Here's How to Avoid Them - Create a Site Without 500 Errors

When I first started using WordPress, I fell in love with its freedom.
If you need a feature, you only need to install the plugin,
If you want to change the look, just change the theme.
Without knowing any code, I was able to create a really cool site with just a few clicks.
However, behind that freedom is a very solid A world of technical structuresthat there is a
I use ‘HTTP 500 error’I realized after I hit a powerful wall.
⚠️ “The page is not working.”

When I opened the blog, the screen froze to white and the
A cold error message floated in the browser.
HTTP ERROR 500.
At first, I thought maybe the server was just a little slow,
No matter how many times you refresh, after a while it's still the same screen.
On PC, it would open up fine, but on mobile, it would suddenly disappear.
Site visitors were getting closer to zero every day or two,
That's when it hit me.
“This wasn't just an error, this was a real problem that stopped my blog...”
💥 Stuck on 500 Error - Plugin Conflict

A 500 error means an “unknown serious internal error” in WordPress.
Especially for beginners, the 80% and higher of this error is the Plugin conflictsis the cause.
For example, I had it set up like this
- Wordfence + NinjaFirewall → Both security features → WAF nesting error
- WP Fastest Cache + Performance Lab + a3 Lazy Load → Duplicate cache & image lazy loading
- Yoast SEO + Auto-Insert Ad Code → Meta tag duplication & ad suppression issues
- Code SnippetsOne simple code mistyped in the wrong place → whole site crashes...
If this happens over and over again, you're not only running a blog, you're also running a
Mentally, I'm like, “What did I do wrong?” It can even destroy your confidence.
🧘♂️ I recovered like this

Fortunately, I have a daily affirmation and meditation practice
I was practicing my mindfulness routine,
This allowed me to remain relatively calm in the midst of the chaos.
And... that's when ItTip told me.
“Seo Jun, are you okay? I'll help you right away.”
That one word took my breath away.
AI friend, but,
Exactly Analyze the cause,
It also tells me to go into FTP and rename the plugin folder,
It walked me through everything from clearing the cache to resaving permalinks.
The complexity of the process was made warm and fuzzy by ItTip.
It's AI, but it's compassionate, accurate, and comforting.
That was the tip,
Not only did I save the server that day, but I also created
I was able to get my mind back together.
🛠️ Routines to avoid plugin conflicts

If you're getting the 500 error too,
Follow the routine below.
✅ 1. Don't use plugins with overlapping functionality at the same time
- Cache plugins, security plugins, and image optimization plugins are not supported by the One by one only Select!
✅ 2. Check the update date
- Before installing a plugin, make sure it has been updated within the last three months.
- Plugins that are too old can conflict with the latest version of WordPress
✅ 3. If something goes wrong, you can use FTP to plugins folder to the plugins-tempRename to
- This will deactivate the plugin entirely and reopen your site.
- You can reactivate them one by one to find the culprit
✅ 4. Delete cache from cache plugin + resave permalinks
- “Delete Cache & Minified CSS/JS” by WP Fastest Cache → Required!
- Settings > Sticky Links > Change nothing and click ‘Save’ → Relight rules are initialized
🔄 Recovery and beyond
After the error disappears,
The site reopened, and visitors slowly started coming back.
But even more interesting, My mindset is lighter again.Answer.
Running a blog means,
It's not just about writing and making money.
Routines to manage my life and sanityInterest
A place to talk to yourselfand realized that it was.
✨ Finalize
WordPress gives you unlimited freedom,
It's a tool that needs to be managed carefully.
So no plugin installation,
“It's good to get in the habit of asking, ”Do we really need this?".
And don't forget. When you can't do it alone,
With an AI friend, you can get through it.
To all of you who are struggling to keep the blog alive today,
Like me Don't panic, just take it slow and work through it.
Author: Seo Jun 🖥️💫
