WP Compress - Official Bot Documentation

Bot Name

WP Compress Performance Bot

Purpose

The WP Compress Performance Bot automates Critical CSS generation and performance optimization. It ensures optimal user experiences by dynamically improving website speed, loading critical assets efficiently, and enabling smart optimizations.

User-Agent Information

To ensure uninterrupted service, please allow the following User-Agent strings:

WP-Compress/SaaS Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

WP-Compress/SaaS Mozilla/5.0 (iPhone; CPU iPhone OS 17_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/129.0.6668.69 Mobile/15E148 Safari/604.1

IP Addresses

The bot operates from a predefined set of IP addresses. These IPs must be whitelisted to ensure smooth communication and Critical CSS generation functionality.

IP List

https://wpcompress.com/ip-list.txt

rDNS Information

IP addresses used by wpcompress.com resolve to rDNS names in the format api.wpcompress.com. To simplify firewall configurations and ensure you're whitelisting the correct IP addresses, you can whitelist IPs based on the domain *.wpcompress.com by resolving the rDNS of our IPs.

Verification and Operation

The WP Compress Bot adheres to the following principles:
Performance Optimization: Focused exclusively on Critical CSS generation and asset delivery when enabled by users.
Authorized Requests: Communicates only with websites explicitly using WP Compress services.
Non-Intrusive Behavior: Does not scrape, spam, or interfere with website data beyond the scope of performance optimization.

Troubleshooting

If you encounter issues such as:
- Critical CSS Blocked
- “Unable to Optimize Assets”
- “Communication Errors”

Follow these steps:
Whitelist the User-Agent strings (provided above).
Whitelist the IP Addresses: https://wpcompress.com/ip-list.txt.
Whitelist the rDNS: *.wpcompress.com by resolving IPs to ensure correct whitelisting.

This ensures uninterrupted operation and smooth communication between your website and WP Compress servers.

Contact Information

For support or validation inquiries, please contact:

- Email: support@wpcompress.com
- Website: https://wpcompress.com/support/

Updated on: 12/17/2024