
Mentimeter
Kahoot!
Poll Everywhere
AhaSlides
Glisser
Wooclap
Crowdpurr
Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.

Optimage
ImageKit.io
Imagify
Aerate for macOS
imgix
Kraken.io
Optidash
Web service for image compression

Which is more popular?
Based on our record, ImageOptim API should be more popular than Sli.do. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sli.do | imageoptim.com |
| Pricing | — | |
| Platforms | — | |
| Company | 2012 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Sli.do is recommended for event organizers, educators, corporate trainers, webinar hosts, and conference managers. It is ideal for those looking to increase engagement in hybrid or virtual settings and for anyone seeking to make meetings and events more interactive and participant-focused.
No analysis of ImageOptim API yet.
Walkthroughs and reviews on video.
What is Slido
More videos
No ImageOptim API videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Sli.do and ImageOptim API. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The plans are not the same. Slido Professional has moderation, branding and multiple rooms, among other things, and Mentimeter’s conference pack has Excel export and editing together with your team. klapp has no...
Yet another highly rated tool, Slido helps you build interactive polls, quizzes or surveys. The tool is scalable and can cater their services to both individuals, and businesses. The participants don’t need to...
Slido shares many features with the other tools on this list. But it also lets your audience prioritize questions for Q&A sessions by upvoting/downvoting them – a concept that Reddit users will be familiar with. Also,...
We have no reviews of ImageOptim API yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Does anyone know of a open source self-hosted alternative to sli.do? Source: about 5 years ago
Optimizing images means reducing their file size without losing quality. This can help reduce the load time of your application and improve performance. You can use tools like ImageOptim or Kraken.io to optimize your images. - Source: dev.to / almost 4 years ago
Use https://imageoptim.com/api to make your photos smaller and better quality. - Source: dev.to / over 4 years ago
Nonetheless, there’s no getting away from the fact that WordPress is a dynamic site builder that loads from a database. Jekyll loads very small static files, and it can be sped up even further by using plug-ins such as ImageOptim API. - Source: dev.to / over 5 years ago
When comparing Sli.do and ImageOptim API, you can also consider the following products.

a web-based polling tool for workshops, conferences & events
Compare Mentimeter to Sli.do or ImageOptim API:


Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
Compare Kahoot! to Sli.do or ImageOptim API:

Instant multi-platform image optimization
Compare ImageKit.io to Sli.do or ImageOptim API:

Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Compare Poll Everywhere to Sli.do or ImageOptim API:

Optimize and resize images online and through your CMS.
Compare Imagify to Sli.do or ImageOptim API: