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ActiveTypo3-cms-extension[Security](/categories/security)

b13/snipper
===========

Keep external links secure by adding rel="noopener" to all external typolinks.

2.0.0(5mo ago)33.7k[1 PRs](https://github.com/b13/snipper/pulls)GPL-2.0-or-laterPHP

Since Jul 25Pushed 5mo ago1 watchersCompare

[ Source](https://github.com/b13/snipper)[ Packagist](https://packagist.org/packages/b13/snipper)[ RSS](/packages/b13-snipper/feed)WikiDiscussions master Synced 3d ago

READMEChangelog (1)Dependencies (1)Versions (12)Used By (0)

Snipper
=======

[](#snipper)

This package is a TYPO3 extension to modify external links on your website.

As explained [in this article on developers.google.com](https://developers.google.com/web/tools/lighthouse/audits/noopener)opening an external link with `target="_blank"` can negatively impact your page's performance, as this newly opened page might run on the same process as your page. It also poses a security risk because the other page can potentially redirect your page to a malicious URL or change your page's content using JavaScript.

This extension adds a Hook for all links generated by TYPO3 using a `typolink` and adds `rel="noopener"` to all links that open in a new window (`target="_blank"`) and do not have a `rel` attribute, yet. This affects all links generated by TypoScript (including RTE content added by your editors) or using the Fluid ViewHelper ``.

How to install this extension?
------------------------------

[](#how-to-install-this-extension)

You can set this up via composer (`composer require b13/snipper`).

License
-------

[](#license)

The extension is licensed under GPL v2+, same as the TYPO3 Core.

For details see the LICENSE file in this repository.

Credits
-------

[](#credits)

*snipper* was initially created by David Steeb in 2019, for [b13, Stuttgart](https://b13.com)

[Find more TYPO3 extensions we have developed](https://b13.com/useful-typo3-extensions-from-b13-to-you) that help us deliver value in client projects. As part of the way we work, we focus on testing and best practices to ensure long-term performance, reliability, and results in all our code.

###  Health Score

45

—

FairBetter than 92% of packages

Maintenance72

Regular maintenance activity

Popularity20

Limited adoption so far

Community11

Small or concentrated contributor base

Maturity65

Established project with proven stability

 Bus Factor1

Top contributor holds 81.8% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~290 days

Recently: every ~579 days

Total

9

Last Release

162d ago

Major Versions

1.1.2 → v13.x-dev2025-12-04

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/2851821?v=4)[b13 GmbH](/maintainers/b13)[@b13](https://github.com/b13)

![](https://avatars.githubusercontent.com/u/3862523?v=4)[David Steeb](/maintainers/davidsteeb)[@davidsteeb](https://github.com/davidsteeb)

---

Top Contributors

[![davidsteeb](https://avatars.githubusercontent.com/u/3862523?v=4)](https://github.com/davidsteeb "davidsteeb (18 commits)")[![lkreitz](https://avatars.githubusercontent.com/u/55286930?v=4)](https://github.com/lkreitz "lkreitz (3 commits)")[![bmack](https://avatars.githubusercontent.com/u/165630?v=4)](https://github.com/bmack "bmack (1 commits)")

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![Health badge](/badges/b13-snipper/health.svg)

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