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Code Words VS warmup.rocks

Compare Code Words VS warmup.rocks and see what are their differences

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Contents:
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  3. ยป Alternatives

Code Words logo Code Words

A quarterly publication about programming from Hacker School

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
  • Code Words Landing page
    Landing page //
    2021-05-10
  • 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.

Code Words

Website
codewords.recurse.com
Pricing URL
-
$ Details
-
Platforms
-
Release Date
-
Edit details

warmup.rocks

Website
warmup.rocks
Pricing URL
Official warmup.rocks Pricing
$ 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
Edit details

Code Words features and specs

  • Educational Content
    Code Words offers in-depth and well-researched articles on technical topics, which are great for learning and expanding one's understanding of programming and software development.
  • Community Contribution
    Being a platform for Recurse Center alumni, Code Words encourages contributions from a diverse group of developers who share insights and experiences, enriching the content with varied perspectives.
  • Quality of Writing
    The articles on Code Words are generally well-written and thoroughly edited, providing readers with clear and concise information.
  • Innovative Ideas
    Many articles present unique and innovative ideas or explore unconventional approaches to problems, sparking creativity and new ways of thinking.

Possible disadvantages of Code Words

  • Limited Audience
    Code Words may primarily appeal to those associated with the Recurse Center or those already familiar with its community, possibly limiting its reach to a broader audience.
  • Inconsistent Update Frequency
    The frequency of new content can be irregular, which might make it difficult for readers to know when new articles will be available.
  • Niche Content
    Some of the topics may be very niche or advanced, potentially alienating readers who are not looking for specialized or highly technical content.
  • Lack of Interactivity
    The platform is primarily article-based, lacking interactive elements such as forums or comment sections where readers can engage more directly with the content or authors.

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.

Analysis of Code Words

Overall verdict

  • Code Words, published by the Recurse Center, is a well-regarded online publication offering thoughtful, in-depth essays about programming, learning, and the craft of software development. It's good for readers seeking substantive, reflective content rather than quick tutorials or news.

Why this product is good

  • Features long-form essays written by experienced programmers and Recurse Center alumni, offering depth over superficial tips
  • Focuses on the human and intellectual side of programming: learning strategies, debugging philosophy, career reflections, and craft
  • Free and openly accessible with no paywall or intrusive ads
  • Curated and edited with care, resulting in higher quality writing compared to typical dev blogs
  • Connected to the Recurse Center community, which has a strong reputation for fostering deep, thoughtful engagement with programming
  • Covers timeless topics that remain relevant beyond fast-moving tech trends

Recommended for

  • Programmers interested in the craft and philosophy of coding rather than just syntax or frameworks
  • Self-taught developers or those in alternative learning environments looking for reflective, relatable content
  • Recurse Center alumni or prospective applicants wanting insight into the community's culture and values
  • Readers who enjoy well-written technical essays similar to those found in publications like ACM Queue or Increment
  • Educators and mentors looking for material on how people learn to program effectively
  • Developers experiencing plateaus or challenges in their growth who want perspective from others' experiences

Category Popularity

0-100% (relative to Code Words and warmup.rocks)

Code Words

warmup.rocks

Marketing
100 100%
Marketing
0% 0
CDN
0 0%
CDN
100% 100
Productivity
100 100%
Productivity
0% 0
Web Cache
0 0%
Web Cache
100% 100

Questions & Answers

As answered by people managing Code Words 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

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What are some alternatives?

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

ByteFlow - Transform your business with our Flows

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

Gumloop - Automate Any Workflow with AI

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

Albato - Connect 1K+ apps or integrate new services to create use cases tailored to your needs. No matter the process, automate it with no-code and AI.

CacheFly - The Fastest Global Throughput CDN

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