Newsletter Insights — advertising rates and audience data for 22K+ newsletters
Browse all →Advertisers are viewing this page. Claim it
Track Londonist: Time Machine's growth
Get notified when subscribers, engagement, or pricing changes
Platform Portability
Uses Substack subdomain (londonist.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
A geeky, cheeky, thrice-weekly digest of London's history.
Data updated 6 days ago
father_karine
22K subs
++2.6%/wk
ONLY POEMS DAILY
22K subs
The House of Beasts & Vines
23K subs
++2.5%/wk
Avg Comments
5.0
Avg Likes
34.7
Engagement Rate
0.18%· ~40 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Culture
0.18% engagement rate
Track Londonist: Time Machine's engagement over time
Monitor quality scores, category ranking, and engagement trends
Start tracking — freeJoin thousands of newsletter operators tracking the market
| Subscriber-only |
| When Mars Attacked London (via Woking)On the trail of H.G. Well's The War of the Worlds.Mar 27, 2026 | Subscriber-only |
| London's Forgotten First Tube Network The Pneumatic Dispatch railway opened three decades before passenger Tubes.Mar 25, 2026 | Public |
| Five... artworks telling the story of London during the Second World WarAn advance look at the new IWM exhibition opening next week.Mar 15, 2026 | Subscriber-only |
| The London Bridges that Never got BuiltSpeculative spans.Mar 13, 2026 | Subscriber-only |
| Wanted: Your Hand-Drawn Maps Of LondonGet doodling!Mar 11, 2026 | Public |
| 1921: Do You Pogo?When London went hopping mad.Feb 25, 2026 | Public |
| Five... historic London clocksA little tour of the city's timepiecesFeb 22, 2026 | Subscriber-only |
| Pimlico, and All That WaterGetting our feet wet in John Rocque's map.Feb 20, 2026 | Subscriber-only |
2.2K paid
Weekly Growth
~0%
Paid Subscriber Retention
Insufficient data
15 of 30 days needed
Track revenue changes over time
Monitor MRR trends, pricing shifts, and revenue projections
Start tracking — freeJoin thousands of newsletter operators tracking the market
Track CPM rates as they change
Category benchmarks and audience-size adjusted rates
Start tracking — freeJoin thousands of newsletter operators tracking the market
Tracking started recently for Londonist: Time Machine (15 days ago). A growth trend will appear once we have more data points.
Track changes to Londonist: Time Machine's percentile rankings in Culture over time
Start tracking — freeHere's what we know about this newsletter's activity:
Publishing Pace
Weekly
Consistent
Category Rank
#166 of 3010
in Culture
Engagement Trend
Consistent
based on recent posts
Publishing Frequency
Weekly
Last published Mar 29, 2026
1.7 posts/week avg
Culture Pricing
$6.99/mo avg
Below average(-28%)
Monetization Readiness
Already monetizing
100% of similar-size Culture newsletters also have paid tiers
Track changes to monetization & ad rate insights over time
Start tracking — free