Slow PHP Application? I'll Find the Bottleneck
A PHP page that takes seconds, a request that times out under load, a cron that never finishes — slow PHP apps usually have one dominant cause.
I run a PHP performance diagnosis against your existing system: slow-query log, EXPLAIN output, profiler data and request timing. You get a short report naming the bottleneck and the cheapest fix first.
What I Can Help With
Diagnose why a PHP application is slow, no rewrite required.
Typical Problems
Relevant Experience
Diagnosed a slow Symfony application where a single unindexed query was adding 2 seconds to every page load. Used slow-query log analysis and EXPLAIN to find the cause — a missing composite index on a frequently joined table. Fixed in under an hour.
What Is Included
How It Works
You paste or upload slow-log/profiler output and a sample of the request flow. I trace the slowest path with profiling, confirm the cause with EXPLAIN or timing data, and return a written diagnosis with the fix order — what to change first, what to change next. One focused session.
Fixed price €299
Performance diagnosis and a written diagnosis with prioritized recommendations. Implementation is optional and quoted separately.
Frequently Asked Questions
Do I need to give you access to fix it?
No. Diagnosis works from logs and profiler output you provide. Implementation, if you choose it, happens in a follow-up with the appropriate access.
How long does a diagnosis take?
Most single-request slowness cases are resolved in one focused session. Larger systems need a broader sampling pass first.
Related Services
PHP Performance Optimization
Profile and optimize PHP applications that are slow, memory-heavy or consuming too much CPU.
PHP Memory Leak Investigation
Find what causes PHP memory usage to grow until the process dies.
MySQL Performance Optimization
Optimize MySQL queries, indexes and schema for a production workload.
Backend Performance Audit
Find and prioritize the real bottlenecks across your full backend stack.
Systems I've Built
AnalyticsForWebsite
Custom solution for collecting and evaluating traffic metrics with emphasis on processing speed and minimizing backend load.
Designed and built the backend for fast traffic metric collection and evaluation.
Cenoskop / Levnobot
Crawler monitoring millions of products. Processing 30M products daily and comparing them.
Built and maintain the full crawling pipeline — from scraping through Elasticsearch indexing to price comparison.
Niftycent
Price intelligence engine for the US market. Processing large-scale product data.
Built the data pipeline and crawling infrastructure for large-scale US product monitoring.
Paidshield
Chat application with end-to-end encryption.
Built the backend and encryption layer for a secure chat application.
facha.sk
Find a job or offer your services.
Built the Go backend — API, matching logic and deployment.
Not sure what's wrong?
Write what's happening and paste anything relevant — errors, logs, metrics. I'll have a look and tell you what I think.