massCode
Organize code snippets, Markdown notes, API requests, diagrams, and calculations in massCode: a free, open-source developer workspace with local storage and a b
Organize code snippets, Markdown notes, API requests, diagrams, and calculations in massCode: a free, open-source developer workspace with local storage and a built-in AI assistant for code, notes, and HTTP workflows.
SEO audit
15 of 16 checks passed95
SEO score
Response 113 ms · 58 KB
- Served over HTTPS
- Title tag present
- Title length 30 to 60 characters
- Meta description present
- Description length 70 to 160 charactersKeep the description between 70 and 160 characters.
- Exactly one H1 heading
- Uses H2 sub-headings
- Canonical URL set
- Mobile viewport tag
- Language declared
- Open Graph tags
- Twitter card tags
- Structured data (JSON-LD)
- Images have alt text
- At least 300 words of content
- Responds in under 1.5 seconds
- Title (53 characters)
- massCode | A free and open source developer workspace
- Description (217 characters)
- Organize code snippets, Markdown notes, API requests, diagrams, and calculations in massCode: a free, open-source developer workspace with local storage and a built-in AI assistant for code, notes, and HTTP workflows.
- Headings
- 1 H1, 7 H2, 14 H3
- Words on page
- 659
- Links
- 23 internal, 10 external
- Structured data
- SoftwareApplication
On-page keywords
| Phrase | Type | Mentions |
|---|---|---|
| snippets notes | Two words | 3 |
| math notebook | Two words | 3 |
| free open | Two words | 2 |
| free open source | Three words | 2 |
| contentmasscodesearchk main navigation | Three words | 1 |
| top free open | Three words | 1 |
| notes | Word | 15 |
| explore | Word | 10 |
Tech stack and pricing
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About massCode
What is massCode?
Organize code snippets, Markdown notes, API requests, diagrams, and calculations in massCode: a free, open-source developer workspace with local storage and a b
What are the best massCode alternatives?
Popular alternatives in October 2026 include ChatGPT, Sentry, OpenAI, hCaptcha.