Hosting is what enables a website or web app to exist on the internet by providing space for it to store its files, databases and other data as well as connecting this information so that can be accessed from anywhere in the world. Because without hosting all of these things would just stay on your computer and no one would ever see them online. In addition hosts guarantee high availability through services with uptime agreements designed keep sites up 99% time; they also tweak their servers’ settings max speed performance thus ensuring good user experience regardless user’s location. Also should the volume visitors or nature site change, one is able scale up resources accordingly.

Here's a list of 15 platforms that offer free hosting services:

GitHub Pages:

• Particularly good for hosting static websites and simple projects.

Netlify:

• Offers free hosting for static websites with features like continuous deployment.

Heroku:

• Allows free hosting for small applications with some limitations.

Firebase Hosting:

• Great for hosting web apps with dynamic content, owned by Google.

Amazon Web Services (AWS) Free Tier:

• Provides limited free usage of various AWS services, including hosting.

Microsoft Azure Free Tier:

• Similar to AWS Free Tier, Azure offers limited free services, including hosting.

Google Cloud Platform (GCP) Free Tier:

• Google offers a free tier with limited resources, including hosting options.

InfinityFree:

• Provides free hosting with unlimited disk space and bandwidth, though with some restrictions.

AwardSpace:

• Offers free hosting . AwardSpace is one such provider, which also includes a website builder.

000webhost: 

• is another option for free hosting if you don’t want any ads being displayed on your site; it supports PHP and MySQL.

Byet.host:

• offers free account sign up there too; they have control panels available as well as PHP/MySQL support.

HelioHost:

• will let you host your website without charging anything for it and they don't put up with ads either; this company supports a variety of programming languages besides just one or two like some providers do.

FreeHosting.com:

• doesn't have advertising either but does provide users with cPanel while still giving them all the benefits associated - email accounts are unlimited!

FreeHostia:

• boasts 250MB disk space which should be sufficient unless you’re planning on uploading large files; bandwidth is capped at 6GB however it should be fine for most smaller websites.

InfinityFree:

• offer unlimited disk space and bandwidth there are still conditions attached.