Old Slido

Embed your Slido event

  • 29 April 2024
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Slido is gradually rolling out a new user interface. If the below steps and visuals match what you are seeing within your account, then you are using the old interface and this article is for you. If not, please see this version.


Using an embedded Slido event, you can connect with your online audience who can send questions and vote in polls directly from your website.


See an example below of how the embedded Slido Participant mode can look on your website:


Available in our Professional plan and higher.


In this article:


Embedding Slido into a website

You can embed Slido Participant mode into your website by following these steps:

Here's a visual guide to how to get your embed code:

This is how the embed code looks. The "event hash" is unique for each event:

<iframe src="https://app.sli.do/event/eventhash" height="100%" width="100%" style="min-height: 560px;"></iframe>


If there’s no Privacy setting enabled on your event, everyone who opens a website with embedded Slido will automatically count as a joined participant in the Event Analytics.



Get separate links for Questions, Polls, or Ideas


You can navigate your participants directly to Questions, Ideas or Polls and Surveys if you have multiple menu items available in your app. Just add /questions, /polls, or /ideas to your event link to do so.


Example of the embed code with polls:

<iframe src="https://app.sli.do/event/7q0zb4jq/polls" height="100%" width="100%" style="min-height: 560px;"></iframe>



Adjust the size of the embedded Slido


You can change the height and width parameters of the iframe code to pixels and set the size you'd like to display:


<iframe src="https://app.sli.do/event/7q0zb4jq" frameborder="0" height="500px" width="720px"></iframe>



Embedding an event which has live video


In case you integrated live video into your Slido event and you need the video to be allowed to go into fullscreen, you have to add allowfullscreen or allowfullscreen="true" to your embed code.


Example of the allowfullscreen attribute in the embed mode:

<iframe src="https://app.sli.do/event/eventhash" height="100%" width="100%" allowfullscreen="true" style="min-height: 560px;"></iframe>



Embedding a single poll or a survey


You can embed a single poll or a survey to your website to collect votes:





Embedding multiple rooms


Before you start, make sure you created your multiple rooms. Then, get a permament link to a specific room. You’ll use this permanent link for embedding Present mode of a particular room.

To embed the room’s Participant mode, replace wall.sli.do with app.sli.do

"app.sli.do" stands for Slido Participant mode.

"wall.sli.do" stands for Slido Present mode.


Example of the embed code for specific Slido room (participant mode):

<iframe src="https://app.sli.do/event/y2uums64?section=5afbb0e9-b5fe-4cad-a7f2-8a36dda17f33" height="100%" width="100%" style="min-height: 560px;"></iframe>


Pre-fill participants' data via query parameters


If you have already collected your visitors' details and would like to import this information into Slido, you can do so via query parameters. Please bear in mind that for the query parameters to pull the email information, you need to have the Require email option enabled in Slido. 


To get the final embed link for the Slido event, you’ll need to combine two components:

  • Event link
  • Query parameters


Example of the embed code with query parameters:

<iframe src="https://app.sli.do/event/7q0zb4jq/live/questions?lang=fr_CA&user_name=John%20Doe&user_email=john@slido.com&user_company=Slido" height="100%" width="100%" style="min-height: 560px;"></iframe>


We recommend using an incognito mode or a different browser when testing the query parameters with an embedded event. If you’ve already joined the same event or loaded the website with Participant mode before, your browser remembers the original settings. When using Incognito mode, don’t forget to enable third-party cookies.




Embedding Slido Present mode


If needed, you can also embed Slido Present mode. For that, you first need to get the Present mode link:


Example of the embed mode for Present mode:

<iframe src="https://wall.sli.do/event/eventhash" frameborder="0" height=“100%” width="100%" scrolling="yes"></iframe>


Curious about more?


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