---
title: Include JavaScript Code From Static Resources
description: "Impact Area Manageability Severity Medium Affected Element Apex Page ## Rule ID **SF-0134** ## Impact Directly importing css and javascript files without using static resources increases load times. ## Remediation Use static resources to serve JavaScript files, as well as…"
url: "https://community-staging.qualityclouds.com/qcdocs/qc/salesforce-rules/include-javascript-code-from-static-resources/"
updated: "2025-03-21"
category: Rules
---

# Include JavaScript Code From Static Resources

Impact Area

Manageability

           Severity

Medium

           Affected Element

Apex Page

## Rule ID

**SF-0134**

## Impact

Directly importing css and javascript files without using static resources increases load times.

## Remediation

Use static resources to serve JavaScript files, as well as images, CSS, and other non-changing files. JavaScript and other assets served this way benefit from the caching and content distribution network (CDN) built into Salesforce.

### Time to fix

30 min

## References

See the Salesforce documentation article: [Visualforce Performance: Best Practices > Optimizing JavaScript](https://developer.salesforce.com/docs/atlas.en-us.salesforce_visualforce_best_practices.meta/salesforce_visualforce_best_practices/pages_best_practices_perf_webdev_javascript.htm)[.](https://developer.salesforce.com/docs/atlas.en-us.salesforce_visualforce_best_practices.meta/salesforce_visualforce_best_practices/pages_best_practices_perf_webdev_javascript.htm)