G2 Vendor Directory

Fastly

#3 in Website Security

San Francisco, California, United States

2

Products on G2

116

Total reviews

4.6

Avg. star rating

  • Fastly's Web Application and API Security ranks #3 in Website Security.
  • Fastly's 2 products span 13 categories on G2.
  • Mid-Market is the largest segment among reviewers, at 48.3%.

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines, summed across Fastly's products.

Page views and citations · Fastly

Source: G2 review data

Winning from

Based on reviewers who said they switched from another vendor's product.

1

Akamai Technologies

4 switched
2

Amazon Web Services (AWS)

3 switched
3

Cloudflare, Inc.

3 switched
4

F5

1 switched
5

KeyCDN

1 switched

Losing to

Based on reviewers of other products who said they switched from Fastly.

1

LaunchDarkly

1 switched
2

N7

1 switched
3

Cloudflare, Inc.

1 switched
4

Akamai Technologies

1 switched
5

Yottaa

1 switched

Key stats

—

#3

13

Mid-Market

2011

1,456

San Francisco, California, United States

$3.7M

Adoption by company size

SegmentShare of reviews
Small Business25.9%
Mid-Market48.3%
Enterprise25.9%

Quarterly history

QuarterTotal reviewsAvg. rating
2026 Q115.0