> For the complete documentation index, see [llms.txt](https://help.fluorescent.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.fluorescent.co/spark/general.md).

# General

- [Editing themes](https://help.fluorescent.co/spark/general/editing-themes.md)
- [Adding sections](https://help.fluorescent.co/spark/general/editing-themes/adding-sections.md): Theme editor
- [Using templates](https://help.fluorescent.co/spark/general/editing-themes/using-templates.md): Theme editor
- [Accessibility](https://help.fluorescent.co/spark/general/editing-themes/accessibility.md)
- [Customizing your site](https://help.fluorescent.co/spark/general/editing-themes/customizing-your-site.md)
- [H1 headings tags](https://help.fluorescent.co/spark/general/editing-themes/h1-headings-tags.md)
- [SEO for Shopify themes](https://help.fluorescent.co/spark/general/editing-themes/improve-seo.md)
- [Online store speed](https://help.fluorescent.co/spark/general/editing-themes/online-store-speed.md)
- [Image guide](https://help.fluorescent.co/spark/general/image-guide.md)
- [Web ready photography](https://help.fluorescent.co/spark/general/image-guide/web-ready-photography.md): Image guide
- [Image sizes](https://help.fluorescent.co/spark/general/image-guide/image-sizes.md): Image guide
- [File formats](https://help.fluorescent.co/spark/general/image-guide/file-formats.md): Image guide
- [Theme image settings](https://help.fluorescent.co/spark/general/image-guide/theme-image-settings.md): Image guide
- [Adapting theme content](https://help.fluorescent.co/spark/general/adapting-your-theme.md)
- [Edit default theme content](https://help.fluorescent.co/spark/general/adapting-your-theme/edit-default-theme-content.md)
- [Multiple languages](https://help.fluorescent.co/spark/general/adapting-your-theme/multiple-languages.md)
- [Dynamic content with metafields](https://help.fluorescent.co/spark/general/adapting-your-theme/dynamic-content-with-metafields.md)
- [Unique content for markets](https://help.fluorescent.co/spark/general/adapting-your-theme/unique-content-for-markets.md)
- [Update your theme](https://help.fluorescent.co/spark/general/theme-updates.md): Support
- [Upgrade to OS2](https://help.fluorescent.co/spark/general/theme-updates/upgrade-to-os2.md)


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