# What does 力扣 LeetCode use?

力扣 LeetCode (leetcode.cn) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-31).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Shanghai, China
- Founded: 2018
- LinkedIn: https://www.linkedin.com/company/lingkou

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Alibaba Cloud](https://www.runsonwhat.com/reverse/alibaba-cloud) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code |  |
| [Spline](https://www.runsonwhat.com/reverse/spline) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |
| [UptimeRobot](https://www.runsonwhat.com/reverse/uptimerobot) | Monitoring | Custom domain |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website config |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Lark](https://www.runsonwhat.com/reverse/lark) | Collaboration | DNS verification records, Email records |  |

## FAQ

### What tools does 力扣 LeetCode use?

As of November 2026, runsonwhat has found 13 tools at 力扣 LeetCode (leetcode.cn) in public records. Edge & Hosting: Alibaba Cloud. Application: React, Next.js and Anthropic. Data & Observability: Google Analytics, Sentry and UptimeRobot. Go-to-market: Google Ad Manager. Company Ops: Microsoft 365 and Lark. Last checked October 31, 2026.

### What cloud does 力扣 LeetCode run on?

力扣 LeetCode uses Alibaba Cloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Alibaba Cloud through Alibaba Cloud code on leetcode.cn. Alibaba Cloud is used by 6,845 companies runsonwhat tracks.

### What email provider does 力扣 LeetCode use?

力扣 LeetCode uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 718,543 companies runsonwhat tracks.

### What analytics tools does 力扣 LeetCode use?

力扣 LeetCode uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on leetcode.cn. Google Analytics is used by 905,789 companies runsonwhat tracks.

### What monitoring tools does 力扣 LeetCode use?

力扣 LeetCode uses Sentry for monitoring, alongside UptimeRobot, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on leetcode.cn. Sentry is used by 79,984 companies runsonwhat tracks.

### Does 力扣 LeetCode use React?

Yes. runsonwhat found React at 力扣 LeetCode through React code on leetcode.cn. React is a Frontend tool used by 124,188 companies runsonwhat tracks.

### Does 力扣 LeetCode use AI tools?

Yes. runsonwhat has found Anthropic at 力扣 LeetCode; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so 力扣 LeetCode may use more AI tools than these.

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

The companies with the stacks most like 力扣 LeetCode's are Ashswap, YCloud, Wipple and Unical, according to runsonwhat (November 2026). Each shares 3 to 7 tools with 力扣 LeetCode, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what 力扣 LeetCode uses?

runsonwhat reads public records only. Of the 13 tools at 力扣 LeetCode, 7 were found through code on leetcode.cn, 4 through DNS records, 1 through website configuration files 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 leetcode.cn about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/leetcode.cn (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.