---
title: "Per-category country leaderboard — which countries NATIONALLY block the most domains in a Citizen Lab content category (the inverse of intent-profile). ?category=XX (LGBT/NEWS/HUMR/REL/ANON/GMB...) ranks countries + sample domains; no category = overview across all 30 categories with the top country each. HONEST: anomaly-based censors (China GFW) under-counted; tagged domains only. ?limit=N (default 30, max 100)."
method: GET
path: "/v1/measurement/category-leaders"
tags: ["Censorship Data"]
---

# Per-category country leaderboard — which countries NATIONALLY block the most domains in a Citizen Lab content category (the inverse of intent-profile). ?category=XX (LGBT/NEWS/HUMR/REL/ANON/GMB...) ranks countries + sample domains; no category = overview across all 30 categories with the top country each. HONEST: anomaly-based censors (China GFW) under-counted; tagged domains only. ?limit=N (default 30, max 100).

`GET /v1/measurement/category-leaders`

## Query parameters

- `category` string
- `limit` integer

## Response `200`

schema voidly-category-leaders/v1. category mode: { mode:'category', category {code,name}, count, countries [ { country_code, domains_blocked, sample_domains[] } ] }. overview mode: { mode:'overview', count, categories [ { code, name, countries, total_blocks, top_country, top_country_domains } ] }.

---

[API](https://skmtc.net/voidly/apis/voidly-api.md) · [All operations](https://skmtc.net/voidly/apis/voidly-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/voidly/voidly-api/versions/decbe6fd40a8/schema)