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Photon

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Accelerate your WordPress.com site with optimized image and static file delivery.

CDNCloud & InfrastructureHosting & Deployment
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Reviews onG2Trustpilot
4153 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Significantly improves website loading speed

Biggest con

No cache invalidation

TL;DR - Photon

  • Speeds up WordPress.com sites by delivering images and static files via CDN.
  • Optimizes images by resizing and serving them in WebP format.
  • Reduces server load and improves page load times for visitors.
Pricing: Free plan available
Best for: Growing teams
4.2/5 across review platforms

What is Photon?

Editorial review
Photon is WordPress.com's built-in Content Delivery Network (CDN) designed to significantly improve the performance of WordPress.com websites. It achieves this by offloading the delivery of images and static assets (like JavaScript and CSS) to WordPress.com's global network of servers. This reduces the load on the user's primary server and ensures faster content delivery to visitors, regardless of their geographical location. The site accelerator is particularly beneficial for WordPress.com users on Business and Commerce plans who want to enhance their site's speed and user experience. It automatically optimizes images by resizing them and serving them in modern formats like WebP to compatible browsers. For static files, it caches and delivers core WordPress, Jetpack, and WooCommerce assets. By distributing content across multiple subdomains, it also leverages parallel downloads to further speed up page load times, making websites more responsive and efficient.

Available on: Web

how we evaluateSourcedeveloper.wordpress.com ↗

Pros & Cons

Pros

  • Significantly improves website loading speed
  • Reduces server load on the main WordPress.com site
  • Automatically optimizes images for various screen sizes and formats
  • Enhances user experience with faster content delivery
  • Simple to enable and manage for eligible plans

Cons

  • No cache invalidation
  • No support for custom theme or plugin assets
  • Manual image purging only

Ratings Across the Web

4.2(4,153 reviews)

Photon holds an aggregate rating of 4.2 out of 5 from 4,153 reviews across G2 and Trustpilot, last checked September 12, 2026.

G212 reviews
4.5/5
Trustpilot4,141 reviews
4.1/5

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

Image CDN for faster image loadingAutomatic image resizing and optimization (including WebP conversion)Static file CDN for JavaScript and CSS (WordPress core, Jetpack, WooCommerce)Uses multiple subdomains for parallel downloadsWorks on secure (HTTPS) pages without mixed content warningsApplies to both old and new postsEasy toggle to enable/disable feature

Pricing Plans

Pricing checked Sep 12, 2026

Free

Personal

Upgrade plan

Premium

Upgrade plan

Business

Included

Everything in all plans.

Commerce

Included

Everything in all plans.

Included in all plans

  • Site accelerator (CDN)
  • Speed up image load times
  • Speed up static file load times
Calculate your costView full pricing

Is Photon worth the price?

70/100

Photon's pricing is unique as it's not a standalone product but rather a feature bundled with higher-tier WordPress.com plans.

The 'Free' tier offers basic Photon functionality, which is generous for simple sites. For advanced features, users must upgrade to the Business or Commerce plans, making it more expensive for those who only need image optimization.

Hidden Costs & Gotchas

Requires a full WordPress.com Business/Commerce plan for advanced features.

Reviews

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4.2/5

Across 4,153 verified user reviews on Trustpilot, G2

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Best Photon Alternatives

Top alternatives based on features, pricing, and user needs.

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4.1
jsDelivr logo
jsDelivrFree

Free CDN for open source packages

3.9
See all CDN tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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Photon FAQ

How does Photon improve the loading speed of a WordPress.com site?

Photon accelerates WordPress.com sites by offloading images and static assets to its global network of servers. This reduces the load on the primary server and ensures faster content delivery to visitors, leveraging parallel downloads for efficiency.

Which teams benefit most from using Photon?

Photon is particularly beneficial for WordPress.com users on Business and Commerce plans who aim to enhance their site's speed and user experience. It helps teams that prioritize fast content delivery and optimized image performance for their audience.

What kind of assets does Photon optimize and deliver?

Photon automatically optimizes images by resizing them and serving them in modern formats like WebP to compatible browsers. For static files, it caches and delivers core WordPress, Jetpack, and WooCommerce assets.

How is Photon priced?

Photon includes a free tier, with additional paid plans available for expanded usage and more features. This allows users to scale their CDN needs as their WordPress.com site grows.

What are the main limitations of using Photon for content delivery?

A key limitation of Photon is that it does not offer cache invalidation for assets, and it does not support custom theme or plugin assets. Image purging is also a manual process.

How does Photon compare to a service like BunnyCDN?

Photon is WordPress.com's built-in CDN, offering automatic image optimization and static file delivery specifically for WordPress.com sites. Unlike BunnyCDN, Photon does not provide cache invalidation or support for custom theme and plugin assets.

Source: developer.wordpress.com

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