# iubenda cookie banner: speed and features

Compliance suite covering cookie consent, policies and terms.

- Vendor: iubenda
- Website: https://www.iubenda.com
- Version tested: Hosted
- Framework: Next.js, the app that we tested every CMP on

## Desktop

Desktop profile: 1365 × 768 · No CPU slowdown · 12.5 MB/s, no added latency.

In our tests, iubenda showed its cookie banner in a median 431 ms on desktop. It added no measurable delay to the main content. Accept responded in 16 ms and Reject in 16 ms. It held trackers back in all 4 consent checks.

On an emulated mid-tier phone, the banner took 2.66 s. Per vendor docs, iubenda supports IAB TCF, IAB GPP, Google Consent Mode v2, Google CMP certification and Global Privacy Control.

| Question | Answer | How it compares | Context |
| --- | --- | --- | --- |
| How fast does the banner appear? | 431 ms | 4th fastest of 10 measured | Median of 15 visits. |
| Does it slow the page down? | No measurable change | No measurable delay, like 6 of the other 9 measured | Main content painted as fast as on the same page without a consent manager. |
| How fast does a click respond? | 16 ms | Joint fastest of 10 measured | Reject responded in 16 ms. Under 200 ms feels instant. |
| Does it block trackers until consent? | 4 of 4 checks passed | One of 8 of 10 measured to pass every check | No tracker ran and the page set no cookie before the visitor chose. |

## Mobile

Mobile (emulated) profile: 390 × 844, DPR 3 · Mid-tier phone CPU (4× slowdown) · 200 KB/s, 150 ms latency.

In our tests, iubenda showed its cookie banner in a median 2.66 s on an emulated mid-tier phone. It delayed the main content by 612 ms (95% interval 600 ms to 624 ms). Accept responded in 32 ms and Reject in 24 ms. It held trackers back in all 4 consent checks.

On desktop, the banner took 431 ms. Per vendor docs, iubenda supports IAB TCF, IAB GPP, Google Consent Mode v2, Google CMP certification and Global Privacy Control.

| Question | Answer | How it compares | Context |
| --- | --- | --- | --- |
| How fast does the banner appear? | 2.66 s | 5th fastest of 10 measured | Median of 15 visits. |
| Does it slow the page down? | +612 ms (95% interval 600 ms to 624 ms) | 6th of 10 measured, from least to most delay | Compared with the same page without a consent manager. |
| How fast does a click respond? | 32 ms | Joint 6th fastest of 10 measured | Reject responded in 24 ms. Under 200 ms feels instant. |
| Does it block trackers until consent? | 4 of 4 checks passed | One of 7 of 10 measured to pass every check | No tracker ran and the page set no cookie before the visitor chose. |

## Which standards and features does iubenda support?

### Standards

| Feature | Support | Source |
| --- | --- | --- |
| IAB TCF | Per vendor docs (TCF v2.2) | https://www.iubenda.com/en/pricing/ |
| IAB GPP | Per vendor docs | https://www.iubenda.com/en/help/22507-consent-management-platform/ |
| Google Consent Mode v2 | Per vendor docs | https://www.iubenda.com/en/pricing/ |
| Google-certified CMP | Per vendor docs | https://support.google.com/adsense/answer/13554116 |
| Global Privacy Control | Per vendor docs | https://www.iubenda.com/en/help/22507-consent-management-platform/ |

### Compliance

| Feature | Support | Source |
| --- | --- | --- |
| Geo-targeted banners | Per vendor docs (Advanced and Ultimate plans) | https://www.iubenda.com/en/pricing/ |
| Script blocking | Per vendor docs | https://www.iubenda.com/en/cookie-solution/ |
| Consent records | Per vendor docs | https://www.iubenda.com/en/pricing/ |
| Cookie scanning | Per vendor docs | https://www.iubenda.com/en/cookie-solution/ |

### Developer

| Feature | Support | Source |
| --- | --- | --- |
| Open source | Not supported (Hosted embed only) | https://www.iubenda.com/en/help/1205-how-to-configure-your-cookie-solution-advanced-guide-2/ |
| Self-hostable | Not supported (Hosted embed only) | https://www.iubenda.com/en/help/1205-how-to-configure-your-cookie-solution-advanced-guide-2/ |
| Headless UI | Partial (Experimental) | https://www.iubenda.com/en/help/1205-how-to-configure-your-cookie-solution-advanced-guide-2/ |
| TypeScript types | Unknown | – |

### Pricing

| Feature | Support | Source |
| --- | --- | --- |
| Free tier | Per vendor docs (Under 5,000 pageviews a month) | https://www.iubenda.com/en/help/6633-pricing-faqs-2/ |

## Which frameworks does iubenda work with?

iubenda has no first-party framework SDKs. It installs through a script tag in each framework listed. This run measured 6 integrations, each against the same app without a consent manager. The results at the top start on Next.js, the framework that we tested every CMP on. The Framework menu switches them.

| Framework | Integration | Benchmarked |
| --- | --- | --- |
| Script tag | Script tag | [Yes](https://cookiebench.com/benchmarks/iubenda/script-tag.md) |
| React | Script tag | [Yes](https://cookiebench.com/benchmarks/iubenda/react.md) |
| Next.js | Script tag | Yes (this page) |
| Vue | Script tag | No |
| Nuxt | Script tag | [Yes](https://cookiebench.com/benchmarks/iubenda/nuxt.md) |
| Svelte | Script tag | No |
| SvelteKit | Script tag | No |
| Astro | Script tag | [Yes](https://cookiebench.com/benchmarks/iubenda/astro.md) |
| TanStack Start | Script tag | [Yes](https://cookiebench.com/benchmarks/iubenda/tanstack-start.md) |

## How does iubenda compare?

- [c15t vs iubenda](https://cookiebench.com/compare/c15t-vs-iubenda.md): Side-by-side results from the same run.

## Questions about iubenda

### How fast is iubenda’s cookie banner?

On desktop, it appeared in a median 431 ms, against 471 ms for the median of the 10 CMPs measured. On an emulated mid-tier phone, it appeared in a median 2.66 s, against 2.71 s for the median of the 10 CMPs measured.

### Does iubenda slow down the page?

On desktop it added no measurable delay to the main content. On an emulated mid-tier phone it delayed the main content by 612 ms (95% interval 600 ms to 624 ms). Delay is the extra time before the main content appears. We compare Largest Contentful Paint on the same page, with and without a consent manager.

### Does iubenda block trackers before consent?

It passed 4 of 4 checks on desktop and on an emulated mid-tier phone. A check fails if a tracker runs, the page sets a cookie or data leaves the page before the visitor chooses.

### Does iubenda support IAB TCF and IAB GPP?

Per vendor docs, iubenda supports IAB TCF, IAB GPP, Google Consent Mode v2, Google CMP certification and Global Privacy Control. Feature support comes from iubenda’s documentation. CookieBench did not test these features itself.

Spotted a mistake? [Report a correction](https://cookiebench.com/corrections.md) and we will re-check it.

Methodology [cookiebench-v3.2.4](https://cookiebench.com/methodology). inth, the team behind c15t, maintains CookieBench. c15t is one of the consent managers we measure ([disclosure](https://cookiebench.com/methodology)). Feature support comes from vendor documentation unless a row says "Verified by test".