--- title: "Download list of all Sapper sites" description: "Every website running Sapper, with domain, DNS, WHOIS, IP address, hosting country and global rank on each row. One file, rebuilt daily." url: https://webatla.com/technology/sapper --- [Home](https://webatla.com/) › [Technologies](https://webatla.com/technology) › [Web frameworks](https://webatla.com/technology?category=Web%20frameworks) › Sapper ![Sapper logo](https://webatla.com/assets/tech-logos/sapper.png) # Download websites that use Sapper 750 live sites using Sapper right now Web frameworks · since 2017 · open source 750 sites, Dataset updated · 2026-10-29 Categories [Web frameworks](https://webatla.com/technology?category=Web%20frameworks) [🔒 Get the list](https://webatla.com/technology/sapper#preview) Requires a dataset purchase [Database preview](https://webatla.com/technology/sapper#preview) [About Sapper](https://webatla.com/technology/sapper#overview) [Download](https://webatla.com/technology/sapper#buy) All figures as of Oct 29, 2026 750 websites using Sapper ## Preview Sapper site datasets Sapper detection is a value inside the **Technologies** column. Two datasets carry it. **Technologies · €159 / month · 750 rows · 14 columns · webatla-technologies-sapper-2026-10-29.jsonl.zst** | Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | PR value | Harmonic value | Domain creation date | Domain expiration date | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | denikreferendum.cz | [cz](https://webatla.com/tld/cz) | [cz](https://webatla.com/tld/cz) | ICANN | HTTP 200 | 5.196.76.190 | [FR](https://webatla.com/country/fr) | {…} | 2026-10-13 | Google Analytics G-6G9XSDX5G3 G-80FV1KLQCV UA-10010976-5 UA-223928719-1 +3 , PWA, HTTP/2, Hotjar, Sapper, Svelte, Favicon, Mailgun, Node.js, Plausible | 0.000000131864 | 14,862,867 | 2009-07-16 | 2027-07-15 | | dwtkns.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 188.114.96.3 | [US](https://webatla.com/country/us) | {…} | 2026-10-14 | PWA, HTTP/3, Sapper, Svelte, Favicon, Node.js, Cloudflare, GoatCounter | 0.0000000838929 | 14,497,317 | 2012-04-01 | 2028-04-01 | | crhss.org | [org](https://webatla.com/tld/org) | [org](https://webatla.com/tld/org) | ICANN | HTTP 200 | 52.43.154.12 | [US](https://webatla.com/country/us) | {…} | 2026-10-12 | Google Analytics G-RQ8NKSY0L3 , PWA, HTTP/3, Sapper, Svelte, Favicon, GoDaddy, Node.js, hreflang, Open Graph | 0.000000053811 | 13,993,241 | 2010-08-18 | 2029-08-18 | | pacificcoastacademy.org | [org](https://webatla.com/tld/org) | [org](https://webatla.com/tld/org) | ICANN | HTTP 200 | 52.10.165.246 | [US](https://webatla.com/country/us) | {…} | 2026-10-10 | Google Analytics G-998HM6Q3KW , PWA, Caddy, HTTP/2, Sapper, Svelte, Favicon, Mailjet, Node.js, hreflang | 0.0000000458664 | 17,040,590 | 2018-03-26 | 2027-03-26 | | johnells.se | [se](https://webatla.com/tld/se) | [se](https://webatla.com/tld/se) | ICANN | HTTP 200 | 188.114.96.3 | [US](https://webatla.com/country/us) | {…} | 2026-10-20 | PWA, HSTS, HTTP/3, Sapper, Svelte, Favicon, Node.js, Sendgrid, Amazon SES, Cloudflare | 0.0000000401844 | 12,971,758 | 1997-08-21 | 2026-12-31 | **All data · €599 / month · 750 rows · 23 columns · webatla-all-data-sapper-2026-10-29.jsonl.zst** | Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | DNS last data checked | DNS Status | DNS records | PR value | Harmonic value | RDAP/WHOIS last data checked | RDAP/WHOIS method | Domain creation date | Domain expiration date | Domain last changed | Registrar | RDAP/WHOIS Record | Response Status RDAP/WHOIS | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | denikreferendum.cz | [cz](https://webatla.com/tld/cz) | [cz](https://webatla.com/tld/cz) | ICANN | HTTP 200 | 5.196.76.190 | [FR](https://webatla.com/country/fr) | {…} | 2026-10-13 | Google Analytics G-6G9XSDX5G3 G-80FV1KLQCV UA-10010976-5 UA-223928719-1 +3 , PWA, HTTP/2, Hotjar, Sapper, Svelte, Favicon, Mailgun, Node.js, Plausible | 2026-10-17 | TRUE | {…} | 0.000000131864 | 14,862,867 | 2026-07-14 | RDAP | 2009-07-16 | 2027-07-15 | 2025-11-25 | REG-KEYSYSTEMS | {…} | Domain is active | | dwtkns.com | [com](https://webatla.com/tld/com) | [com](https://webatla.com/tld/com) | ICANN | HTTP 200 | 188.114.96.3 | [US](https://webatla.com/country/us) | {…} | 2026-10-14 | PWA, HTTP/3, Sapper, Svelte, Favicon, Node.js, Cloudflare, GoatCounter | 2026-10-15 | TRUE | {…} | 0.0000000838929 | 14,497,317 | 2025-06-25 | RDAP | 2012-04-01 | 2028-04-01 | 2025-06-25 | Gandi SAS | {…} | Domain is active | | crhss.org | [org](https://webatla.com/tld/org) | [org](https://webatla.com/tld/org) | ICANN | HTTP 200 | 52.43.154.12 | [US](https://webatla.com/country/us) | {…} | 2026-10-12 | Google Analytics G-RQ8NKSY0L3 , PWA, HTTP/3, Sapper, Svelte, Favicon, GoDaddy, Node.js, hreflang, Open Graph | 2026-10-22 | TRUE | {…} | 0.000000053811 | 13,993,241 | 2026-02-26 | RDAP | 2010-08-18 | 2029-08-18 | 2026-02-26 | GoDaddy.com, LLC | {…} | Domain is active | | pacificcoastacademy.org | [org](https://webatla.com/tld/org) | [org](https://webatla.com/tld/org) | ICANN | HTTP 200 | 52.10.165.246 | [US](https://webatla.com/country/us) | {…} | 2026-10-10 | Google Analytics G-998HM6Q3KW , PWA, Caddy, HTTP/2, Sapper, Svelte, Favicon, Mailjet, Node.js, hreflang | 2026-10-14 | TRUE | {…} | 0.0000000458664 | 17,040,590 | 2025-08-07 | RDAP | 2018-03-26 | 2027-03-26 | 2025-08-07 | Squarespace Domains II LLC | {…} | Domain is active | | johnells.se | [se](https://webatla.com/tld/se) | [se](https://webatla.com/tld/se) | ICANN | HTTP 200 | 188.114.96.3 | [US](https://webatla.com/country/us) | {…} | 2026-10-20 | PWA, HSTS, HTTP/3, Sapper, Svelte, Favicon, Node.js, Sendgrid, Amazon SES, Cloudflare | 2026-10-26 | TRUE | {…} | 0.0000000401844 | 12,971,758 | 2025-12-02 | WHOIS | 1997-08-21 | 2026-12-31 | 2025-11-21 | Loopia AB | {…} | Domain is active | [↓ Download preview (20 rows, free)](https://webatla.com/api/v1/sample/technology/sapper?dataset=technologies) [Buy Technologies · €159 / month](https://webatla.com/account/checkout?dataset=technologies) ## About Sapper ### At a glance - **Website:** sapper.svelte.dev ↗ - **Language:** JavaScript - **License:** MIT - **First release:** 2017-12-01 The maintainers of Sapper are the people who told everyone to stop using it. Built by the Svelte team as the framework that gave Svelte projects server rendering, file based routing and code splitting, Sapper was superseded by SvelteKit, which took over as the official way to build such applications. Nothing new starts on it any more. A framework with no incoming installs has a property that active ones lack. Every site running it was built before the successor existed, and every site still running it has chosen, actively or through neglect, not to migrate. The population can only shrink, so comparing the same list across two dates measures a migration rate directly, which is a number no individual domain can give you. Detection of a build time framework is inferential by nature, and pretending otherwise would be dishonest. Sapper leaves traces in generated JavaScript bundles, route manifests and the shape of its client runtime, but a project exported to static files, or one whose build was customised heavily, can pass unrecognised. As of October 2026 we detect it on 750 sites, a count of pages still carrying the fingerprint rather than a census of repositories. Three readings of the list follow from that. Audit teams care because an MIT project that receives no further releases also receives no security fixes, and finding unpatched dependencies is a job that needs the whole set rather than one example. Agencies care commercially, since a codebase with a known ageing problem and a known destination is the cleanest possible migration pitch, and the framework's own maintainers have already made the argument for them. Researchers care about the rate itself, how fast a community actually moves when its maintainers declare a successor, which is a question about a whole population and cannot be answered one domain at a time. Released in 2017, Sapper now works mainly as a marker of when a codebase was written and how long it has been left alone. ## Frequently asked questions ### How to download the list of websites using Sapper The complete list of websites using Sapper is available as one structured file. Every row is a site we detected running Sapper, exported with its full record, so you can filter it offline instead of crawling the web yourself. - **Choose a dataset** in the preview above or the price cards below - **Check out** by card or in crypto, priced in EUR - **Download the list** one JSONL file (zstd) in your account, which you can re-download any time during your access month What each file holds, for every site: - **Technologies:** the domain, the full stack we detect with versions, IP, hosting country, HTTP status, social profiles, PageRank / Harmonic rank and domain dates. - **All data:** every column in one file: the domain, technologies, IP, hosting country, rank and dates, plus DNS records and RDAP / WHOIS. - A daily-refreshed export, so the list you receive is never stale. ### How many websites use Sapper? webatla detects Sapper on 750 websites, refreshed daily. Each row has the domain with its IP, hosting country, ranking and the rest of its stack, and All data adds DNS and WHOIS. ### Can I download the list of websites using Sapper? Yes, the list downloads as structured JSONL (zstd), one domain per line. ### What's included for each site, and how fresh is it? The Technologies file has the domain, the full stack with versions, IP, hosting country, HTTP status, PageRank and Harmonic. All data adds DNS and RDAP/WHOIS. Everything is re-detected and re-exported daily. ### How do I find the websites using Sapper? Buy the technology dataset, then download the complete list of domains we detect using Sapper, re-exported every day. ### What else is in the Sapper technology data? Each row places Sapper next to the other technology on the same site, plus its IP, hosting country and ranking. All data adds DNS and WHOIS. ### Can I download just the sites using Sapper, or the whole database? Both. Every site running Sapper comes in the Technologies dataset, one downloadable file. Or buy All data for the entire database: technologies plus identity, ranking, DNS and RDAP/WHOIS for every domain, combined in one file. Daily fresh export. ## Get the full list of websites using Sapper Pick the dataset that covers what you need. Each one includes Sapper and downloads as JSONL, rebuilt daily. Technologies, 14 columns Full website tech stack per site: CMS, payments, analytics, frameworks. €159 / mo [Buy and download](https://webatla.com/account/checkout?dataset=technologies) [Download preview dataset](https://webatla.com/api/v1/preview?dataset=technologies) All data, 23 columns Everything we have, in a single package. The full webatla universe. €599 / mo [Buy and download](https://webatla.com/account/checkout?dataset=all-data) [Download preview dataset](https://webatla.com/api/v1/preview?dataset=all-data) Want to compare every dataset side by side? [Visit the pricing page](https://webatla.com/pricing) ## Related technologies [![Microsoft ASP.NET logo](https://webatla.com/assets/tech-logos/microsoft-asp-net.png) Microsoft ASP.NET Server Software · 7.6M sites](https://webatla.com/technology/microsoft-asp-net) [![Next.js logo](https://webatla.com/assets/tech-logos/next-js.png) Next.js JavaScript Framework · 1.9M sites](https://webatla.com/technology/next-js) [![Express logo](https://webatla.com/assets/tech-logos/express.png) Express JavaScript Framework · 964K sites](https://webatla.com/technology/express) [![Nuxt.js logo](https://webatla.com/assets/tech-logos/nuxt-js.png) Nuxt.js JavaScript Framework · 626K sites](https://webatla.com/technology/nuxt-js)