Software Alternatives, Accelerators & Startups

PHPCodeChecker VS warmup.rocks

Compare PHPCodeChecker VS warmup.rocks and see what are their differences

PHPCodeChecker logo PHPCodeChecker

PHPCodeChecker is a best-in-class service that enables developers and PHP programmers to write their code online and analyze it.

warmup.rocks logo warmup.rocks

warmup.rocks keeps your CDN cache warm in every edge location worldwide: Cloudflare, Fastly, Akamai, CloudFront and more. Warming from 42 countries, hit-ratio analytics.
Visit Website
  • PHPCodeChecker Landing page
    Landing page //
    2023-09-30
  • warmup.rocks Homepage
    Homepage //
    2026-07-18
  • warmup.rocks Dashboard
    Dashboard //
    2026-07-18

A CDN isn't one cache. It's hundreds of independent ones, and most of them are cold.

Cloudflare alone runs 300+ data centers, and each keeps its own cache. A page cached in Frankfurt is still ice cold in Tokyo, so the first visitor per region pays the full origin round trip. In our measurement of 408,000 CDN requests, a cache miss was 3.5x slower than a hit at the median.

warmup.rocks fixes that by requesting your pages from 42 countries on 6 continents on a schedule. Each request enters the CDN network in a different region and fills the edge location it lands in: 90+ locations per warming pass.

What makes it different: verification. We record the cache status (cf-cache-status, x-cache and equivalents) of every single response and show you the hit ratio per edge location, per run. Warming without verification is hoping.

Features

  • Sitemap auto-discovery, nested sitemap indexes resolved before every run
  • CDN auto-detection: Cloudflare, Fastly, CloudFront, Akamai, bunny.net, CDN77
  • Scheduled runs every 1-3 hours depending on plan
  • Deploy hooks + official GitHub Action: re-warm right after your CI purges the cache
  • Mobile cache variant (second pass with a mobile user agent)
  • Email alerts when a WAF rule blocks warming runs

Free tools, no signup: multi-location cache checker and website speed test.

Nothing to install: no plugin, no DNS change. 7-day free trial, plans from $15/month.

PHPCodeChecker

Pricing URL
-
$ Details
-
Platforms
-
Release Date
-

warmup.rocks

$ Details
paid Free Trial $15 / Monthly (1 project, 100 pages per run, Warm every 3 hours)
Platforms
Web Wordpress WooCommerce Wix ReactJS
Release Date
2026 July
Startup details
Country
Switzerland
Founder(s)
Kevin Kyburz
Employees
1 - 9

PHPCodeChecker features and specs

  • Accessibility
    PHPCodeChecker is an online tool, making it easily accessible from any device with an internet connection without needing to install any software.
  • Ease of Use
    The interface is straightforward, allowing users to quickly paste their PHP code and check for errors without navigating through complex settings.
  • Free to Use
    The tool is available for free, which is beneficial for individual developers or small teams with limited budgets.
  • Immediate Feedback
    It provides instant feedback on the code, helping developers quickly identify and correct syntax errors or warnings.

Possible disadvantages of PHPCodeChecker

  • Limited Scope
    PHPCodeChecker primarily focuses on syntax checking and may not detect more complex logical errors or security vulnerabilities in the code.
  • Dependence on Internet
    Being an online tool, it requires an internet connection to function, which might be a limitation in environments with restricted or no internet access.
  • On-Premise Limitation
    For organizations that require on-premise solutions due to security policies, using an online tool like PHPCodeChecker may not be feasible.
  • No Customization
    The tool does not offer customization options to suit specific coding standards or preferences which some development teams might require.

warmup.rocks features and specs

  • Free Resource
    Warmup.rocks offers a collection of button hover effects and micro-interactions completely free of charge, making it accessible to developers and designers of all budgets.
  • Copy-Paste Code
    The site provides ready-to-use CSS and HTML code snippets that can be easily copied and implemented directly into projects, saving development time.
  • Visual Preview
    Users can see live previews of each animation effect before deciding to use it, allowing for quick visual assessment without needing to test code first.
  • Variety of Effects
    The collection includes numerous different button animation styles, giving developers multiple creative options to enhance user interface interactivity.
  • Lightweight Implementation
    The animations are typically built with pure CSS or minimal JavaScript, making them lightweight and easy to integrate without heavy dependencies.

Category Popularity

0-100% (relative to PHPCodeChecker and warmup.rocks)
Development
100 100%
0% 0
CDN
0 0%
100% 100
Online Services
100 100%
0% 0
Web Cache
0 0%
100% 100

Questions & Answers

As answered by people managing PHPCodeChecker and warmup.rocks.

Who are some of the biggest customers of your product?

warmup.rocks's answer:

  • this:matters GmbH (the Swiss web agency behind the product, running client sites through it)

What makes your product unique?

warmup.rocks's answer:

Most cache warmers run from one server, so they only warm the one CDN edge location that server happens to hit. CDNs like Cloudflare cache per data center, 300+ of them, and a HIT in Frankfurt says nothing about Singapore.

warmup.rocks is different:

  • Warms from 42 countries on 6 continents, so the cache gets filled where your visitors actually are
  • Verifies every response (cf-cache-status, x-cache) instead of just firing requests and hoping
  • Shows hit ratio per edge location, so you see whether warming actually works
  • Nothing to install: no plugin, no script tag, no DNS change

Why should a person choose your product over its competitors?

warmup.rocks's answer:

Three reasons:

  • Geography. Competitors warm from a single region. We warm from 42 countries, which is the whole point of a CDN cache.
  • Verification. We read the cache status header of every single response and report the actual hit ratio per location, so you see whether warming works instead of taking it on faith.
  • Deploy integration. A deploy hook or our GitHub Action re-warms the cache right after you ship, which is exactly when it's coldest.

Plans start at $15/month with a 7-day free trial.

How would you describe the primary audience of your product?

warmup.rocks's answer:

Developers, agencies and store owners who run sites behind a CDN (Cloudflare, Fastly, CloudFront, Akamai, bunny.net) and serve visitors in more than one region. Typical cases:

  • WordPress/WooCommerce sites where preload plugins stop at the server cache
  • Shopify and Magento stores with a long product tail that never stays warm on its own
  • Anyone whose deploys purge the edge cache and leave the first visitor per location with a slow load

What's the story behind your product?

warmup.rocks's answer:

I run a web agency in Switzerland, and for years I believed our sites were fast because we put them behind Cloudflare and saw HIT in the headers. Then I measured from other continents: pages that loaded in milliseconds from Zurich took multiple seconds from Tokyo or Sรฃo Paulo, because each edge location keeps its own cache and most of them were cold.

I built a warmer for our own client sites first, then measured 408,000 CDN requests and found a miss is 3.5ร— slower than a hit at the median. That data convinced me this should be a product.

Which are the primary technologies used for building your product?

warmup.rocks's answer:

  • Node.js + TypeScript with Hono as the web framework
  • SQLite for storage
  • Astro for the public site, vanilla JavaScript for the dashboard
  • Warming requests go through dedicated datacenter proxies in 42 countries

The whole thing runs on a plain VPS behind Cloudflare, which keeps it fast and cheap without a pile of infrastructure.

User comments

Share your experience with using PHPCodeChecker and warmup.rocks. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, PHPCodeChecker seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

PHPCodeChecker mentions (3)

  • Difference in "for" statement syntax between PHP 5 / 7 / 8?
    Agreed -- but one of my original observations was how the syntax checker at https://phpcodechecker.com/ did not flag the "illegal" spaces if PHP 5.6 was selected, but did flag them if 7.4 or 8.1 is selected. This prompted my original question whether something changed from v5 to v7 in terms of white-space interpretation. Source: over 3 years ago
  • HERE's a list of free platforms you need for your next project!
    Https://phpcodechecker.com/ // reports errors in your code. Source: over 4 years ago
  • Could yโ€™all help me troubleshoot the missing thing from this file?
    I used this website: https://phpcodechecker.com/. Source: over 4 years ago

warmup.rocks mentions (0)

We have not tracked any mentions of warmup.rocks yet. Tracking of warmup.rocks recommendations started around Jul 2026.

What are some alternatives?

When comparing PHPCodeChecker and warmup.rocks, you can also consider the following products

WritePHPOnline.Com - WritePHPOnline.Com is an online site that enables you to write code in PHP and view its output.

Cache Status - Cache Status is an easy cache status and management tool located right in your address-bar.

PHPTester.net - PHPTester.net gives developers and learners the ability to write their PHP code and get the output online.

Cache Enabler - A lightweight caching plugin that creates static HTML files and stores them on your web server.

Paiza.io - Paiza.io allows you to write and run code in many languages.

CacheFly - The Fastest Global Throughput CDN