Optical Underground emails
Optical Underground sends about 1 email a week through Klaviyo, most often on Tuesday around 1 PM Eastern.
Early figures, based on 12 emails received from Jul 8 to Oct 13, 2026.
- ESP
- Klaviyo
- Emails a week
- about 1
- Busiest send time
- Tuesdays at 1pm ET
- Last sent
- 19 days ago · Oct 13
- Tracked since
- Jul 2026
- Emails collected
- 12
Recent emails
Oct 13, 2026 1:02 PM
These frames say "I know a guy who can get us into the VIP lounge."
Sep 29, 2026 1:05 PM
Be The Smartest In The Room
Sep 22, 2026 1:02 PM
C'est Classique
Sep 15, 2026 1:39 PM
The Talk of the Town
Sep 8, 2026 1:02 PM
These glasses don't look at the sun. The sun looks at them.
Sep 2, 2026 1:01 PM
Want frames that make you look like a published author?
Recent subject lines
All subject linesSubject lines average 33 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 13, 2026 1:02 PM | These frames say "I know a guy who can get us into the VIP lounge." | Nobody has to know he’s your cousin. | |
| Sep 29, 2026 1:05 PM | Be The Smartest In The Room | Mostly because you are, but it's nice to have the look too. | |
| Sep 22, 2026 1:02 PM | C'est Classique | Perfect for pretending you can read a menu in French. | |
| Sep 15, 2026 1:39 PM | The Talk of the Town | Look like the person everyone is gossiping about (in a good way) | |
| Sep 8, 2026 1:02 PM | These glasses don't look at the sun. The sun looks at them. | Sunday Sidewalk Sunglass Sale September 13 | |
| Sep 2, 2026 1:01 PM | Want frames that make you look like a published author? | Even if the only thing you’ve written lately is a Yelp review. | |
| Aug 25, 2026 2:07 PM | Gasp...is that a smudge on your lenses?! | No, it’s just your old, scratched-up glasses. Time to upgrade. | |
| Aug 18, 2026 1:05 PM | NEW FRAMES. NEW YOU. | Plus new markdowns, only in store. |
Archive
View full archiveSeptember 2026 5 emails
View allSep 29, 2026 1:05 PM
Sep 22, 2026 1:02 PM
Sep 15, 2026 1:39 PM
These glasses don't look at the sun. The sun looks at them.
Sep 8, 2026 1:02 PM
Want frames that make you look like a published author?
Sep 2, 2026 1:01 PM
When Optical Underground sends
92% of its emails arrive in the 1 PM hour. Tuesdays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fri | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 12p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 0 | 8 | 3 | 0 | 0 | 0 | 0 |
| 2p | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 8 emails)
Based on 12 emails received from Jul 8 to Oct 13, 2026. Times in US Eastern. How we collect · When all brands send
How often Optical Underground sends
Complete months have run between 1 and 5 emails.
- Busiest month
- Sep 2026, 5
- Quietest month
- Oct 2026, 1
- Busiest day
- Tuesday, 9
- Quietest day
- Monday, 0
About Optical Underground
- ESP
- Klaviyo
- Tracked since
- Jul 2026
- Emails collected
- 12
- Emails a week
- about 1
- Last sent
- Oct 13, 2026
- Sends from
- noreply@
opticalunderground.com - Subject length
- 33 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 A Snail's Paceasnailspace.net | Klaviyo | about 1 | Wednesday | Oct 31, 2026 | Klaviyo · about 1 a week · busiest Wednesday · last sent Oct 31, 2026 | ||
 Abibeng.abib.com | Klaviyo | about 1 | Sunday | Oct 16, 2026 | Klaviyo · about 1 a week · busiest Sunday · last sent Oct 16, 2026 | ||
| Abolitionists Rising Gear Storeabolition.shop | Klaviyo | about 1 | Tuesday | Oct 20, 2026 | Klaviyo · about 1 a week · busiest Tuesday · last sent Oct 20, 2026 |
