# Advanced Modern Code Blocks Features — Performance Tuning & Tips

April 21, 2026 ·

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2 min read

[NGPilot](https://ngpilot.com)

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Modern Code Blocks adds a Monaco-powered editor and syntax highlighting for 85+ languages in Confluence. This article explains embedding, theming, and performance tips.

## Quick prerequisites[​](#quick-prerequisites "Direct link to Quick prerequisites")

* Confluence Cloud with [Modern Code Blocks](/docs/Modern-Code-Blocks-for-Confluence/user-docs.md) installed

## Embedding large snippets[​](#embedding-large-snippets "Direct link to Embedding large snippets")

* Set Max Height to keep long code blocks manageable
* Avoid inline images in code blocks

## Theme & editor tips[​](#theme--editor-tips "Direct link to Theme & editor tips")

* Choose appropriate theme for readability
* Use Monaco's formatting shortcuts to tidy code

## Related apps & resources[​](#related-apps--resources "Direct link to Related apps & resources")

* [Modern Code Blocks for Confluence](/apps/modern-code-blocks-for-confluence.md)
* [Enhanced Markdown for Confluence](/apps/enhanced-markdown-for-confluence.md) — Markdown editing with live preview
* [Code blocks performance FAQ](/blog/faq-code-blocks-performance.md) — performance tips and best practices
* [Confluence Markdown vs WYSIWYG FAQ](/blog/faq-confluence-markdown-vs-wysiwyg.md) — choosing the right editor

Try <!-- -->Modern Code Blocks for Confluence

Monaco editor, 85+ languages (JSON, XML, YAML, SQL), 50+ themes, diff view, and auto dark/light mode — free for up to 10 users.

[Get it on the Atlassian Marketplace](https://marketplace.atlassian.com/apps/3525717923/modern-code-blocks-for-confluence?utm_source=ngpilot.com\&utm_medium=website\&utm_campaign=modern-code-blocks-for-confluence)

## Related guides

* [Code Blocks for Confluence — Monaco Editor & Themes](/blog/code-blocks-confluence-monaco-editor.md)
* [How to Create Mermaid Diagrams in Jira](/blog/how-to-create-mermaid-diagrams-jira.md)
* [Export Jira Issues to Excel or CSV](/blog/export-jira-issues-to-excel.md)
* [Bulk Download Jira Attachments](/blog/bulk-download-jira-attachments.md)

Explore NGPILOT[Browse Solutions](/solutions.md)[All Apps](/apps.md)[Atlassian Marketplace →](https://marketplace.atlassian.com/vendors/1226848/?utm_source=ngpilot.com\&utm_medium=blog\&utm_campaign=hub-links)

**Tags:**

* [confluence](/blog/tags/confluence.md)
* [code-blocks](/blog/tags/code-blocks.md)
* [how-to](/blog/tags/how-to.md)