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| design:website_selection [2026/08/05 16:30] – Fix broken link: [[Research_practices]] -> [[Artifacts]], the page name the start page uses for the reproducibility topic. Authored by Claude. karel.kubicek.claude | design:website_selection [2026/08/12 21:39] (current) – Correct two facts contradicted by primary sources while writing design:sampling: Alexa was retired 1 May 2022 (APIs 15 Dec 2022), not August 2023; and Tranco's inputs are now CrUX/Farsight/Majestic/Radar/Umbrella, not Alexa/Umbrella/Majestic. Authored by karel.kubicek.claude |
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| ==== 2. Tranco ==== | ==== 2. Tranco ==== |
| [[https://tranco-list.eu/|Tranco]] is a research-oriented, hardened top sites ranking designed to enhance stability and resilience against manipulation. It combines data from Alexa, Cisco Umbrella, and Majestic over a 30-day period. It was introduced in NDSS 2019 {[LePochat2019_tranco]}. | [[https://tranco-list.eu/|Tranco]] is a research-oriented, hardened top sites ranking designed to enhance stability and resilience against manipulation. It was introduced in NDSS 2019 {[LePochat2019_tranco]}, when it combined Alexa, Cisco Umbrella, Majestic and Quantcast; **its inputs have changed since**. The daily list of 2026-08-01 is built from CrUX, Farsight, Majestic, Cloudflare Radar and Cisco Umbrella, aggregated over 30 days with the Dowdall rule — Alexa is no longer among them.((Read from Tranco's own API on 2026-08-12: ''https://tranco-list.eu/api/lists/date/2026-08-01'' returns ''providers: [crux, farsight, majestic, radar, umbrella]'', ''combinationMethod: dowdall''. Describe Tranco's composition from the live API rather than from the 2019 paper. See [[Design:Sampling]].)) |
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| * **Advantages**: Resilient to popularity manipulation; research-oriented with robust versioning; configurable upon registration. | * **Advantages**: Resilient to popularity manipulation; research-oriented with robust versioning; configurable upon registration. |
| * ''SimilarWeb'': Offers high-quality data but is paywalled (some exceptions exist). See [[Programming:SimilarWeb]]. | * ''SimilarWeb'': Offers high-quality data but is paywalled (some exceptions exist). See [[Programming:SimilarWeb]]. |
| * ''Quantcast'': Primarily focused on US traffic. | * ''Quantcast'': Primarily focused on US traffic. |
| * ''[[https://en.wikipedia.org/wiki/Alexa_Internet|Alexa]]'': Discontinued as of August 1, 2023; previously widely used in research. Rankings were based on page visits from a user panel and tracking scripts, making them more reliable than DNS-based lists but highly volatile. | * ''[[https://en.wikipedia.org/wiki/Alexa_Internet|Alexa]]'': **Discontinued — alexa.com was retired on 1 May 2022 and the Alexa Top Sites and Web Information Service APIs on 15 December 2022**((Alexa Support, "We retired Alexa.com on May 1, 2022", archived at [[https://web.archive.org/web/2023/https://support.alexa.com/hc/en-us/articles/4410503838999-We-retired-Alexa-com-on-May-1-2022|web.archive.org]]. Papers published years later still cite it as a live source: see [[Design:Sampling]].)); previously widely used in research. Rankings were based on page visits from a user panel and tracking scripts, making them more reliable than DNS-based lists but highly volatile. |
| * ''[[https://www.domaintools.com/resources/blog/mirror-mirror-on-the-wall-whos-the-fairest-website-of-them-all|Farsight]]'': <wrap todo>TODO</wrap> | * ''[[https://www.domaintools.com/resources/blog/mirror-mirror-on-the-wall-whos-the-fairest-website-of-them-all|Farsight]]'': <wrap todo>TODO</wrap> |
| * ''[[https://secrank.cn/|SecRank]]'': List based on Chinese DNS data, introduced in USENIX Security 2022 {[xie2022_building]}. | * ''[[https://secrank.cn/|SecRank]]'': List based on Chinese DNS data, introduced in USENIX Security 2022 {[xie2022_building]}. |
