---
title: "Robots.txt Checker - cmlabs SEO Tools – Chrome extension stats, history and permissions"
description: "177 users, rated 5.00 by 3 people. Version 1.0.1, updated 2024-05-16. Requests 2 permissions."
url: "https://extensiontracker.com/extension/boiflndbjkenhmlbgbdnfebpooigmnkc"
---

# Robots.txt Checker - cmlabs SEO Tools

Live in the Chrome Web Store.

- Users: 177
- Rating: 5.00 from 3 ratings
- Last checked: 2026-09-26 22:45 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #52,682 of 264,700 live extensions
- Rank in Developer Tools: #4,654 of 27,615

## The listing

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

Summary from the listing:

> Robots.txt Checker is an essential tool designed to ensure the efficiency, accuracy, and validity of a website's robots.txt file.

- Extension ID: `boiflndbjkenhmlbgbdnfebpooigmnkc`
- Developer: [cmlabs Developer](https://extensiontracker.com/developer/u1df6d9973a5e9451b2f4cfef31c023f0)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2024-05-13
- Last updated: 2024-05-16
- Version: `1.0.1`
- Size: 3.55 MiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `cmlabs.co`
- Chrome Web Store: <https://chromewebstore.google.com/detail/robotstxt-checker-cmlabs/boiflndbjkenhmlbgbdnfebpooigmnkc>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=boiflndbjkenhmlbgbdnfebpooigmnkc>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 177 | 5.00 | 3 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Mobile Friendly Test - cmlabs Tools](https://extensiontracker.com/extension/heboibihmeapapljkcpgfibclaebbkep) | 4,000 | 5.00 | 3 | Developer Tools |
| [Title & Meta Description Checkers - cmlabs SEO Tools](https://extensiontracker.com/extension/bhncaplgjfhllfadbkeigmfnpilkmbgh) | 594 | 5.00 | 2 | Developer Tools |
| [SSL Checker - cmlabs SEO Tools](https://extensiontracker.com/extension/cadoggliajpmopeepmlamhefgkobljfl) | 413 | 5.00 | 3 | Developer Tools |
| [Heading Tags Checker - cmlabs Tools](https://extensiontracker.com/extension/lkdldbnpcpjifhjmlihalkbiklpkimhd) | 337 | 4.44 | 9 | Developer Tools |
| [Pagespeed Test - cmlabs SEO Tools](https://extensiontracker.com/extension/nobbcbccegiignfcapabdeegmaehhifo) | 304 | 4.20 | 5 | Developer Tools |
| [HTTP Header Checker - cmlabs SEO Tools](https://extensiontracker.com/extension/anheghnibajoikjegiciidlmnnffecha) | 289 | 5.00 | 5 | Developer Tools |
| [Ping Checker - cmlabs SEO Tools](https://extensiontracker.com/extension/lepccdjicogieagnblakpemnhcghhlob) | 239 | 5.00 | 3 | Developer Tools |
| [Hreflang Checker - cmlabs SEO Tools](https://extensiontracker.com/extension/bbiejobgmmjcjbnbabamojimombaoiij) | 205 | 5.00 | 3 | Developer Tools |
| [Technology Lookup - cmlabs SEO Tools](https://extensiontracker.com/extension/hhknkhcgnkdkkafiaicdfpiplbigodmj) | 188 | 5.00 | 5 | Developer Tools |
| [Redirect Chain Checker - cmlabs SEO Tools](https://extensiontracker.com/extension/idopchcomjihlocdhibhmmlomjkejjbg) | 182 | 5.00 | 4 | Developer Tools |

All 12 extensions by [cmlabs Developer](https://extensiontracker.com/developer/u1df6d9973a5e9451b2f4cfef31c023f0).

## 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 2026-09-26 22:45 UTC; next check around 2026-10-14.

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

## Cite this page

Extension Tracker. “Robots.txt Checker - cmlabs SEO Tools” (boiflndbjkenhmlbgbdnfebpooigmnkc). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/boiflndbjkenhmlbgbdnfebpooigmnkc. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_boiflndbjkenhmlbgbdnfebpooigmnkc,
  title   = {Robots.txt Checker - cmlabs SEO Tools (boiflndbjkenhmlbgbdnfebpooigmnkc)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/boiflndbjkenhmlbgbdnfebpooigmnkc},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/boiflndbjkenhmlbgbdnfebpooigmnkc>. 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`.