# What does Letterboxd use?

Letterboxd (letterboxd.com) shows public evidence of 52 tools, according to runsonwhat (last checked 2026-11-09).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Twilio](https://www.runsonwhat.com/reverse/twilio) | Backend & Database | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [comScore](https://www.runsonwhat.com/reverse/comscore) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website config, Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code | 2019-03 |
| [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website config, Website code |  |
| [Google AdSense](https://www.runsonwhat.com/reverse/google-adsense) | Ads & Pixels | Website code |  |
| [Criteo](https://www.runsonwhat.com/reverse/criteo) | Ads & Pixels | Website code |  |
| [Magnite](https://www.runsonwhat.com/reverse/magnite) | Ads & Pixels | Website config, Website code |  |
| [PubMatic](https://www.runsonwhat.com/reverse/pubmatic) | Ads & Pixels | Website config, Website code |  |
| [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code |  |
| [OpenX](https://www.runsonwhat.com/reverse/openx) | Ads & Pixels | Website config, Website code |  |
| [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code |  |
| [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code |  |
| [Amazon Publisher Services](https://www.runsonwhat.com/reverse/amazon-publisher-services) | Ads & Pixels | Website config, Website code |  |
| [Index Exchange](https://www.runsonwhat.com/reverse/index-exchange) | Ads & Pixels | Website config |  |
| [Media.net](https://www.runsonwhat.com/reverse/media-net) | Ads & Pixels | Website config, Website code |  |
| [Sovrn](https://www.runsonwhat.com/reverse/sovrn) | Ads & Pixels | Website config |  |
| [TripleLift](https://www.runsonwhat.com/reverse/triplelift) | Ads & Pixels | Website config |  |
| [Sharethrough](https://www.runsonwhat.com/reverse/sharethrough) | Ads & Pixels | Website config |  |
| [Teads](https://www.runsonwhat.com/reverse/teads) | Ads & Pixels | Website config |  |
| [Amazon Advertising](https://www.runsonwhat.com/reverse/amazon-advertising) | Ads & Pixels | Website code |  |
| [RTB House](https://www.runsonwhat.com/reverse/rtb-house) | Ads & Pixels | Website code |  |
| [Quantcast](https://www.runsonwhat.com/reverse/quantcast) | Ads & Pixels | Website code |  |
| [Demandbase](https://www.runsonwhat.com/reverse/demandbase) | Sales & CRM | Website code |  |
| [Adobe Advertising](https://www.runsonwhat.com/reverse/adobe-advertising) | Ads & Pixels | Website code |  |
| [Bombora](https://www.runsonwhat.com/reverse/bombora) | Sales & CRM | Website code |  |
| [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code |  |
| [ID5](https://www.runsonwhat.com/reverse/id5) | Ads & Pixels | Website code |  |
| [MediaMath](https://www.runsonwhat.com/reverse/mediamath) | Ads & Pixels | Website code |  |
| [33Across](https://www.runsonwhat.com/reverse/33across) | Ads & Pixels | Website code |  |
| [Lotame](https://www.runsonwhat.com/reverse/lotame) | Ads & Pixels | Website code |  |
| [Nativo](https://www.runsonwhat.com/reverse/nativo) | Ads & Pixels | Website code |  |
| [MGID](https://www.runsonwhat.com/reverse/mgid) | Ads & Pixels | Website code |  |
| [MNTN](https://www.runsonwhat.com/reverse/mntn) | Ads & Pixels | Website code |  |
| [Clickagy](https://www.runsonwhat.com/reverse/clickagy) | Sales & CRM | Website code |  |
| [Smart Ad Server](https://www.runsonwhat.com/reverse/smart-ad-server) | Ads & Pixels | Website code |  |
| [Tapad](https://www.runsonwhat.com/reverse/tapad) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records |  |
| [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records |  |

## FAQ

### What tools does Letterboxd use?

As of November 2026, runsonwhat has found 52 tools at Letterboxd (letterboxd.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: jQuery, GSAP and Twilio. Data & Observability: Google Analytics, Google Tag Manager and comScore. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Google Workspace, reCAPTCHA and Apple Business. Last checked November 9, 2026.

### What cloud does Letterboxd run on?

Letterboxd uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on letterboxd.com. Amazon Web Services is used by 147,689 companies runsonwhat tracks.

### What sales tools does Letterboxd use?

The sales tools runsonwhat has found at Letterboxd are Demandbase, Bombora and Clickagy (November 2026); no CRM shows up in Letterboxd's public records. runsonwhat found Demandbase through Demandbase code on letterboxd.com.

### What email provider does Letterboxd use?

Letterboxd uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on letterboxd.com. Google Workspace is used by 422,598 companies runsonwhat tracks.

### What does Letterboxd use for customer support?

Letterboxd uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Letterboxd has used it since at least March 2019. Zendesk is used by 43,859 companies runsonwhat tracks.

### What analytics tools does Letterboxd use?

Letterboxd uses Google Analytics for analytics, alongside Google Tag Manager and comScore, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on letterboxd.com. Google Analytics is used by 904,839 companies runsonwhat tracks.

### How long has Letterboxd used Zendesk?

Letterboxd has used Zendesk since at least March 2019, going by the first public certificate of the letterboxd.com subdomain that points at Zendesk.

### Does Letterboxd use jQuery?

Yes. runsonwhat found jQuery at Letterboxd through jQuery code on letterboxd.com. jQuery is a Frontend tool used by 927,808 companies runsonwhat tracks.

### Which companies have a tech stack similar to Letterboxd's?

The companies with the stacks most like Letterboxd's are 株式会社MyVision, Comic Studio, 富山いすゞ自動車株式会社 and Time Out Lisboa, according to runsonwhat (November 2026). Each shares 6 to 39 tools with Letterboxd, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Letterboxd uses?

runsonwhat reads public records only. Of the 52 tools at Letterboxd, 31 were found through code on letterboxd.com, 12 through website configuration files, 5 through DNS records, 3 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and letterboxd.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/letterboxd.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.