Social Media Ad Post Specs

Examples of advertisement options for Questex are below, along with specifications. For questions, please contact

Social Media Ad Posts include Facebook, Instagram, and LinkedIn.

Submitting Creative Materials

Materials Due Date: Creative is due 2 Mondays before the ad goes live (ex: if the ad begins the week of January 22nd, creative is due by Monday, January 8th).



Image: 470px × 246px with an aspect ratio of 1.9:1
Headline: 25 characters or less (including spaces)
Text: 90 characters or less (including spaces)



Text: 90 characters or less (including spaces)
Headline: 25 characters or less (including spaces)
Thumbnail Image: 1200px × 675px. Your thumbnail image may not include more than 20% text.
Video: H.264 video compression, high profile preferred, square pixels, fixed frame rate, progressive scan
Format: .mp4 container ideally with leading mov atom, no edit lists

Recommended Aspect Ratio: 1.33:1 / 4:3 / SDTV, 1.375:1 / film, 1.77 / 16.9 / HDTV, 1.85:1 / Film, 2:39:1 or 2:40:1 / Widescreen, no pillar boxing or letter boxing
Audio: Stereo AAC audio compression,128kbps + preferred
File Size (1 GB max Bitrate): No limit to bitrate file if you're using two pass encoding, as long as long as your file doesn't exceed 1 GB. Otherwise, 8 megabits per second for 1080p and 4 megabits per second for 720p.
Length: 5 minutes max


Video hosting on Facebook (Retargeting with Facebook Custom Audience feature)
Video: File of video or a link to download it
Headline: 25 characters or less (including spaces)
Text: 90 characters or less (including spaces)
News Feed Description: 30 characters or less (including spaces)
Ad Guide from Facebook



Image: 1080px × 900px (.gif, .jpg - static image files only) with an aspect ratio of 1.9:1 and 4:5
Caption: 100 characters or less (including spaces). Text only.

Social Media Guidelines:

  • Editors can create content for ad post – need to have concept and assets submitted 2 weeks prior to post date.
  • Post should be informative/entertaining, not influencing



Subject Line: 1200 character or less (including spaces). Recommended 70 characters for best performance.
Body Text: 2000 characters or less (including spaces). Recommended 300 characters for best performance.
URL: Plain URLs within the text are included in the character count. NO hyperlinked text. URLs will be converted into links by Ad Ops for tracking.

Important to Note:
LinkedIn only allows blasts to be sent once every seven days. Due to this limitation, LinkedIn blasts must go out on Tuesday morning of the purchased week. This limitation extends to sending Test Blasts. Therefore, if Ad Ops does not receive creative by the proper due date, they cannot guarantee that you will see a Test until the following Tuesday and in that case, you must be on "standby" to approve and send the email blast out immediately.