When comparing Amazon S3 vs Google Firebase, the Slant community recommends Google Firebase for most people. In the question“What are the best website hosting providers?” Google Firebase is ranked 8th while Amazon S3 is ranked 11th. The most important reason people chose Google Firebase is:
The Blaze Plan is a pay-as-you-go plan, which is, you pay for what you use, without overhead or upfront costs.
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Pros
Pro Free for small sites
The free tier will cover most personal home pages.
Pro Easily scalable
There's no cap in storage or traffic. Cost is based on usage.
Pro Super cheap with a year's worth of free service
S3 storage costs $0.03 per GB and gets cheaper the more is stored, PUT, COPY, POST, or LIST requests are $0.005 per 1,000 requests and GET and all other requests are $0.004 per 10,000 requests. And with some restrictions is available for free for a year.
Pro Fast setup
You can provision a S3 bucket, upload files, setup the DNS, and go live in under 10 minutes.
Pro Fast
S3 is fast even without a CDN.
Pro Easy to setup with CDN
Simple to set up with Amazon's CloudFont CDN.
Pro Supports custom root domains
To set up a custom domain, Amazon Route 53 has to be configured as the DNS provider with the domain registrar, two buckets have to be created and configured with the name the same as the domain - one including, one excluding www. A more in-depth explanation can be found here.
Pro No security risks
There's no server to manage, so no security issues to patch or keep watch.
Pro Flexible Pricing
The Blaze Plan is a pay-as-you-go plan, which is, you pay for what you use, without overhead or upfront costs.
Pro Straightforward hosting
Powered by Google's Cloud Platform, Firebase allows you to deploy static web pages or web applications with a nifty Node.js-based CLI Tool.
Pro Super fast CDN
All static website content is hosted on the Fastly CDN making your website really fast.
Pro More than just hosting web applications
In the core of Firebase allows you to do testing for Android apps, Analytics, Real-time Database, and many more. It's centered mostly for progressive web applications and mobile applications with real-time connectivity to your service.
Pro Almost free if you add Cloudflare in front (no bandwidth costs) and cache effectively
The built-in CDN is great too, but if you're concerned about bandwidth costs, using it with Cloudflare is an excellent option option.
Cons
Con Credit card needed
Amazon will try to retrieve the money every month after one year trial. If you have no money you will be banned.
Con Setting up automatic public permissions is confusing
By default, S3 sets uploaded files to private. You can configure your S3 bucket to auto-apply public permissions by copying and pasting a template. But the template might be intimidating to some users.
Con Confusing web interface
Amazon S3's web interface is quite confusing, especially for first-time users, but there are many tutorials online that help beginners to set up a static site on S3.
Con No SFTP support
Amazon S3 does not have SFTP support, instead the S3 web interface has to be used.
Con Google blocks Access
Some Google services, software and cloud systems, are not available to certain countries. blocked access by google following USA Policies.
Con Linked to Google Cloud Platform
If you don't have a Google Account, you won't be able to access Google cloud services, including this one.