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SSL/TLS certificate authorities · di Internet Security Research Group · dal 2016 · Open Source

50K siti Dataset aggiornato · 2026-10-14
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webatla-technologies-let-s-encrypt-2026-10-14.jsonl.zst · 49.511 righe · 14 colonne Esportazione giornaliera aggiornata
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Visualizzazione 5 di 49.511 righe · Technologies · Lo stack tecnologico completo di ogni sito: CMS, pagamenti, analytics, framework.

Siti con Let's Encrypt per paese

PaeseSitiQuota
🇰🇷 la Corea del Sud 14.218 29,9%
🇺🇸 gli Stati Uniti 8374 17,6%
🇩🇪 la Germania 7005 14,7%
🇨🇦 il Canada 2678 5,6%
🇫🇷 la Francia 1792 3,8%

Siti con Let's Encrypt per TLD

TLDSitiQuota
.com 17.827 36,0%
.kr 5633 11,4%
.de 4982 10,1%
.net 2931 5,9%
.org 1257 2,5%

Il dataset Let's Encrypt

Tutti i siti in cui abbiamo rilevato l’uso di Let's Encrypt, con versione, hosting, paese, TLD e ranking di traffico.

Let's Encrypt è presente in 2 dataset

Il rilevamento di Let's Encrypt fa parte di Technologies (€159/mese) e All data (€599/mese). Acquisti uno dei due per filtrare l’elenco completo di 49.511 siti, oppure scarichi prima un’anteprima gratuita.

I suoi download di Let's Encrypt

I dataset che possiede, filtrati su Let's Encrypt. Ogni pulsante trasmette direttamente l’ultima esportazione giornaliera.

Formato: JSONL (zstd) Dataset aggiornato: 2026-10-14

API, colonne & ricette → /account/api

Informazioni su Let's Encrypt

Quasi tutti i siti del web pubblico ormai funzionano in HTTPS, e una quota ampia di quei certificati proviene da Let's Encrypt. Non è questo ciò che dice il nostro conteggio. A ottobre 2026 registriamo l’autorità di certificazione su 49.511 siti, un numero che riguarda il rilevamento e non l’emissione, e vale la pena capire la differenza prima di usare il dato per qualsiasi scopo.

Internet Security Research Group ha lanciato l’autorità nel 2016 e distribuisce i certificati gratuitamente con licenza Open Source, con emissione e rinnovo automatizzati tramite il protocollo ACME, in modo che pannelli di hosting, pannelli di controllo e server web possano richiederli senza l’intervento di una persona. L’emissione gratuita e automatizzata è il motivo per cui l’autorità è diventata onnipresente, e l’onnipresenza è proprio ciò che rende incompleto un conteggio basato sulle impronte. Una scansione attribuisce un certificato quando la catena, la stringa dell’emittente o la configurazione circostante vengono acquisite e riconosciute, e non attribuisce nulla quando un proxy, una CDN o un bilanciatore di carico presenta il proprio certificato davanti all’origine.

Un segnale parziale resta un segnale, una volta che si sa rispetto a che cosa è parziale. I siti che terminano il TLS da sé, sul proprio server e con il proprio certificato, sono esattamente quelli in cui il rilevamento funziona, e sono anche la popolazione interessante per molte domande. Un TLS terminato in proprio presuppone un server reale con un amministratore, un processo di rinnovo che può fallire e una configurazione che può diventare obsoleta, ed è per questo che fornitori di hosting, fornitori di servizi gestiti, scanner di sicurezza e prodotti per la gestione dei certificati vogliono sapere chi fa parte di quel gruppo.

La geografia rafforza il concetto. Dei rilevamenti, 14.218 riguardano siti in Corea del Sud, e l’estensione .com ricorre in tutto l’elenco, una distribuzione che riflette quali ecosistemi di hosting emettono certificati in modo direttamente visibile, non quali paesi abbiano adottato la crittografia. Leggere il campo del paese come una misura dell’adozione sarebbe un errore. Leggerlo come una mappa dei luoghi in cui un certo modello di hosting è diffuso è corretto.

Niente di tutto questo si può ricostruire un dominio alla volta, e un dominio alla volta è l’unico modo in cui di solito la domanda viene posta. Un browser mostra a qualsiasi visitatore chi ha emesso il certificato del sito che ha davanti. Nessun browser, però, dirà come si ripartisce per emittente una popolazione di domini, come varia questa ripartizione tra paesi ed estensioni e quale parte gestisce la terminazione in proprio invece di nascondersi dietro l’infrastruttura edge di qualcun altro. L’elenco scaricabile è la forma in cui a questa domanda si può davvero rispondere.

Domande frequenti

Quanti siti web utilizzano Let's Encrypt?

webatla rileva Let's Encrypt su 50K siti web, aggiornati ogni giorno, ciascuno con il proprio dominio, DNS, WHOIS, IP, paese e ranking.

Posso scaricare l’elenco dei siti web che utilizzano Let's Encrypt?

Sì, in formato JSONL strutturato. Scarichi prima un campione gratuito.

Che cosa è incluso per ogni sito, e con quale frequenza viene aggiornato?

Dominio, DNS, RDAP/WHOIS, lo stack tecnologico completo, IP e paese, PageRank e Harmonic, ridilevati e riesportati ogni giorno.

Come trovo i siti web che utilizzano Let's Encrypt?

Acquisti il dataset Technologies, poi scarichi l’elenco completo dei domini in cui rileviamo Let's Encrypt, riesportato ogni giorno.

Che altro contengono i dati sulla tecnologia Let's Encrypt?

Ogni riga colloca Let's Encrypt accanto alle altre tecnologie dello stesso sito, oltre a DNS, WHOIS, IP, paese e ranking.

Posso scaricare solo i siti che utilizzano Let's Encrypt, o l’intero database?

Entrambi. Ogni sito che utilizza Let's Encrypt è incluso nel dataset Technologies, un unico file scaricabile. Oppure acquisti All data per l’intero database: tecnologie, più identità, ranking, DNS e RDAP/WHOIS per ogni dominio, riuniti in un unico file. Esportazione aggiornata ogni giorno.

Come scarico l’elenco dei siti web che utilizzano Let's Encrypt?

Tre passaggi: (1) scarichi il campione gratuito di 10.000 righe per esaminare lo schema, (2) acquisti il dataset Technologies, (3) scarichi l’elenco completo di tutti i domini in cui rileviamo Let's Encrypt, in un file JSON Lines. Viene riesportato ogni giorno, quindi può riscaricare l’elenco più aggiornato in qualsiasi momento durante il suo periodo di accesso. Ogni riga contiene il dominio, oltre a DNS, WHOIS, IP, paese di hosting e ranking.

Ottenga l’elenco completo dei siti web che usano Let's Encrypt

Scelga il dataset che copre ciò di cui ha bisogno. Ciascuno include Let's Encrypt ed è scaricabile in JSONL, ricostruito ogni giorno.

Technologies 14 colonne

Lo stack tecnologico completo di ogni sito: CMS, pagamenti, analytics, framework.

€159 / mese
Acquistare e scaricare Scaricare l'anteprima del set di dati
All data 23 colonne

Tutto quello che abbiamo, in un unico pacchetto. L’universo webatla completo.

€599 / mese
Acquistare e scaricare Scaricare l'anteprima del set di dati

Vuole confrontare tutti i dataset fianco a fianco? Visitare la pagina dei prezzi