---
title: "RTT Mapper – Chrome extension stats, history and permissions"
description: "481 users, rated 5.00 by 3 people. Version 0.6.0.0, updated 2024-02-05. Requests 0 permissions."
url: "https://extensiontracker.com/extension/ldmlnppgmephampfjfihgkimanednflo"
---

# RTT Mapper

Live in the Chrome Web Store.

- Users: 481
- Rating: 5.00 from 3 ratings
- Last checked: 2026-09-27 04:48 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #34,506 of 264,703 live extensions
- Rank in Tools: #9,664 of 103,498

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Adds mapping functionality to RealtimeTrains.co.uk

- Extension ID: `ldmlnppgmephampfjfihgkimanednflo`
- Developer: [Alex van Herwijnen](https://extensiontracker.com/developer/u1061e2e73e5f508c96df6412854ccee5)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2018-08-11
- Last updated: 2024-02-05
- Version: `0.6.0.0`
- Size: 1.04 MiB
- Minimum Chrome: 88
- Languages (1): English (United Kingdom)
- Chrome Web Store: <https://chromewebstore.google.com/detail/rtt-mapper/ldmlnppgmephampfjfihgkimanednflo>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fldmlnppgmephampfjfihgkimanednflo>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 481 | 5.00 | 3 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

- `http://realtimetrains.co.uk/search/*`: realtimetrains.co.uk
- `http://realtimetrains.co.uk/service/*`: realtimetrains.co.uk
- `http://www.realtimetrains.co.uk/search/*`: www.realtimetrains.co.uk
- `http://www.realtimetrains.co.uk/service/*`: www.realtimetrains.co.uk
- `https://realtimetrains.co.uk/search/*`: realtimetrains.co.uk
- `https://realtimetrains.co.uk/service/*`: realtimetrains.co.uk
- `https://www.realtimetrains.co.uk/search/*`: www.realtimetrains.co.uk
- `https://www.realtimetrains.co.uk/service/*`: www.realtimetrains.co.uk

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 04:48 UTC; next check around 2026-10-01.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “RTT Mapper” (ldmlnppgmephampfjfihgkimanednflo). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ldmlnppgmephampfjfihgkimanednflo. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ldmlnppgmephampfjfihgkimanednflo,
  title   = {RTT Mapper (ldmlnppgmephampfjfihgkimanednflo)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ldmlnppgmephampfjfihgkimanednflo},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/ldmlnppgmephampfjfihgkimanednflo>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.