Website Recovery & Technical Fixes

Stop WordPress Bot Attacks Crashing Your Server

If your WordPress site is being hammered by automated traffic, causing high CPU usage, repeated downtime, or server instability, CloudOps Studio can investigate the source, apply layered protection, and help restore stability fast.

High CPU 502 / 503 Errors Origin Overload
CPU usage 92%
Requests hitting origin 18,400/hr
PHP workers Maxed out
Store stability Intermittent
/ ?s=cheap-handbags&utm=spam 503 1.93s /product-category/sale/?ref=botcrawl 502 2.11s /wp-login.php?redirect_to=random 429 0.19s /checkout/?add-to-cart=all 503 2.34s / ?orderby=price&filter_size=* 503 1.72s

Signs Your WordPress Site May Be Under Attack

01

CPU usage constantly spiking

Server resources stay pinned even when legitimate traffic does not explain the load.

02

Site crashes every few hours

Repeated instability, downtime, or sudden slowdowns return soon after a restart.

03

PHP workers maxing out

Application processes are exhausted by repeated dynamic requests before real users can be served.

04

Thousands of hits to random URLs

Logs show large volumes of irrelevant paths, search patterns, or abusive query strings.

05

WooCommerce pages slowing down

Product, cart, account, and checkout pages become unreliable under automated traffic pressure.

06

Cloudflare rules not stopping the load

Traffic appears filtered at the edge, but damaging requests are still reaching the origin server.

07

VPS resources exhausted

Memory, worker limits, or database resources are pushed to the point where normal service fails.

08

Repeated 502 / 503 errors

Users see intermittent gateway and service availability errors during spikes or crawl bursts.

What This Kind of Traffic Actually Does

Bot-driven overload is not always a single obvious attack. In many cases it is a mix of automated requests hitting random URLs, search parameters, product filters, login endpoints, XML-RPC, or other dynamic parts of WordPress that trigger PHP execution and database work.

When weak filtering lets enough of that traffic through, the problem moves beyond bandwidth. PHP workers fill up, database queries pile up, caches miss, and the VPS starts spending resources on requests that should never have reached the application in the first place.

The result is a site that looks unstable even when the underlying issue is really poor request quality, poor filtering, or harmful traffic patterns repeatedly reaching origin.

How We Investigate and Fix It

1

Review traffic and logs

We look at the request patterns, timing, endpoints, and server behaviour to understand what kind of load is actually happening.

2

Identify what is reaching origin

We trace which requests are getting past edge protections and where WordPress, PHP, or the database are being forced to do unnecessary work.

3

Apply layered blocking and hardening

We tighten filtering, harden exposed paths, and reduce the ability of harmful request patterns to consume application resources.

4

Reduce load and restore stability

We focus on getting the site back to a more stable operating state, with lower load and fewer damaging requests hitting the server.

What May Be Included

  • Nginx or Apache log review
  • Cloudflare firewall and rate limit review
  • Bot pattern and request source analysis
  • Blocking harmful request patterns
  • WordPress hardening and endpoint protection
  • Server-level mitigation where needed
  • Resource and performance review
  • Practical recommendations for follow-up stability

What You Get After the Fix

A

Lower server load

Less wasteful traffic reaching expensive parts of the stack.

B

Fewer harmful requests reaching origin

Improved filtering and tighter controls before requests hit WordPress.

C

Improved uptime

Reduced crash cycles and a more stable operating baseline.

D

Better WordPress and WooCommerce stability

Core user journeys perform more reliably under pressure.

E

Less manual firefighting

Fewer emergency restarts, hosting tickets, and reactive fixes.

F

Clearer next steps

A better understanding of what caused the issue and what to do next.

Who This Service Is For

Self-hosted WordPress sites

Businesses running WordPress on VPS or dedicated hosting and seeing repeated technical instability.

WooCommerce stores

Sites where product, cart, account, or checkout performance is being hit by harmful automated traffic.

VPS-hosted websites

Environments where CPU, memory, workers, or upstream limits are being exhausted by bad request patterns.

Agencies managing client sites

Teams who need practical technical help to stabilise a website quickly and credibly.

Businesses dealing with repeated crashes

Site owners who know something is wrong, even if they are not yet certain whether bots are the root cause.

Teams needing a one-off technical intervention

Situations where fast diagnosis and containment are more urgent than a long maintenance retainer.

Need Help Stopping the Traffic Before It Takes the Site Down Again?

If the site is unstable, slow, or repeatedly failing under harmful traffic, we can review the problem and help identify the fastest practical route to a more stable setup.

Frequently Asked Questions

Can you help if Cloudflare is already enabled?

Yes. In many cases Cloudflare is present, but the filtering, rate limiting, origin protections, or rule logic are not stopping the requests that matter most.

Can you help WooCommerce stores?

Yes. WooCommerce often suffers more quickly because cart, account, search, and checkout-related requests are more resource intensive than static page traffic.

Do you only work on hacked sites?

No. This service is also for overload, bot abuse, filtering failures, and technical instability even where there is no confirmed compromise.

Can you help if the issue is high CPU but I'm not sure it is bots?

Yes. Part of the work is identifying whether the load is bot-driven, application-driven, or caused by a combination of traffic, queries, and server behaviour.

Do you provide one-off fixes or ongoing support?

We can help with focused technical diagnosis and remediation, and we can also discuss wider support if the environment needs ongoing operational attention.