Websites Powered by Sapper
1,029 websites tracked using Sapper (Web frameworks) · sapper.svelte.dev
Sapper is a web application framework used to build the site's backend. Its official site is sapper.svelte.dev. PoweredBy tracks the websites that use Sapper across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web frameworks ecosystem.
Usage trend
200
400
600
Oct 2019
Jun 2021
Feb 2023
Oct 2024
Jun 2026
Domains observed using Sapper in each month's HTTP Archive crawl,
Oct 2019 to Jun 2026 · peak 527 in Aug 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 357 Sapper sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
200
Germany
120
Canada
106
United Kingdom
106
India
104
France
96
Netherlands
86
Spain
79
Sites using Sapper by audience country, Chrome UX Report.
Top sites by authority
9+
<1% · 1 of 372 sites
8+
<1% · 1 of 7,677 sites
7+
<1% · 8 of 45,712 sites
6+
<1% · 16 of 110,136 sites
5+
<1% · 20 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Sapper in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Sapper
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 201 | trackmeetings.info | 0.90/10 | - | - | Sep 2022 |
| 202 | tracktheparcel.com | 1.25/10 | - | - | Jan 2023 |
| 203 | tudorhouseliquorstore.com | 0.68/10 | - | - | Mar 2022 |
| 204 | tywlsbronx.org | 2.63/10 | - | - | Aug 2022 |
| 205 | uglicafe.ru | 0.13/10 | - | - | Aug 2022 |
| 206 | unej.id | 0.86/10 | - | - | Aug 2023 |
| 207 | unesco-welterbetag.de | 5.28/10 | 45 | 34 | Aug 2022 |
| 208 | uniformhero.com.au | 0.40/10 | - | - | Aug 2022 |
| 209 | uratushi.by | 0.44/10 | - | - | Sep 2021 |
| 210 | vbtmakelaars.nl | 3.47/10 | - | - | Mar 2021 |
| 211 | videofizz.com | 2.70/10 | - | - | Jul 2021 |
| 212 | wallbaby.com | 1.40/10 | - | - | Mar 2022 |
| 213 | wascouhsd.org | 2.09/10 | - | - | Jul 2025 |
| 214 | westcoastliquor.com | 0.50/10 | - | - | May 2020 |
| 215 | willametteleadershipacademy.net | 0.36/10 | - | - | Mar 2026 |
| 216 | xn--90abb0cal0gub.xn--p1ai | 2.53/10 | - | - | Jan 2021 |
| 217 | yummy.dev | - | - | - | Aug 2025 |
| 218 | yuumari.com | 1.56/10 | - | - | Sep 2020 |
| 219 | 36q.app | 0.44/10 | - | - | Jul 2023 |
| 220 | alliancecharteracademy.org | 1.32/10 | - | - | Feb 2026 |
| 221 | beehived.com | 1.15/10 | - | - | Apr 2026 |
| 222 | cardinalmontessori.com | 0.67/10 | - | - | Aug 2022 |
| 223 | dallaschristianacademy.org | 0.41/10 | - | - | Feb 2025 |
| 224 | dgchristian.org | 1.23/10 | - | - | Feb 2025 |
| 225 | dublincrossingvancouver.com | 0.39/10 | - | - | Feb 2023 |
| 226 | ebys.com | 0.38/10 | - | - | Mar 2023 |
| 227 | fiber.music | 0.37/10 | - | - | Jun 2025 |
| 228 | flfalcons.org | 0.99/10 | - | - | Mar 2023 |
| 229 | getstreamline.net | 4.69/10 | - | - | Sep 2025 |
| 230 | groupz.now | 1.18/10 | - | - | Apr 2026 |
| 231 | holytrinityschool.net | 0.74/10 | - | - | Oct 2022 |
| 232 | hrsaints.com | 1.30/10 | - | - | May 2023 |
| 233 | hsschool.org | 1.41/10 | - | - | Sep 2023 |
| 234 | ihmschoolbelmont.org | 1.39/10 | - | - | Sep 2024 |
| 235 | ilearnacademycharterschool.org | - | - | - | Sep 2025 |
| 236 | isleward.com | 1.83/10 | - | - | Jul 2023 |
| 237 | isssresearch.com | 2.03/10 | - | - | Jan 2023 |
| 238 | jens.skin | - | - | - | Apr 2026 |
| 239 | kmliving.se | 0.49/10 | - | - | Jan 2023 |
| 240 | madlenka.biz | 0.09/10 | - | - | Aug 2022 |
| 241 | mapsupport.club | 2.95/10 | - | - | Nov 2022 |
| 242 | massbeverly.com | 1.87/10 | - | - | Jul 2022 |
| 243 | mcsig.com | 1.04/10 | - | - | Jan 2025 |
| 244 | mediation-burggrafen1.de | 0.94/10 | - | - | Apr 2025 |
| 245 | nhuxuanhua.com | 1.16/10 | - | - | Dec 2022 |
| 246 | north-hills.org | 1.50/10 | - | - | Jan 2025 |
| 247 | notredamevacaville.org | 1.17/10 | - | - | Aug 2022 |
| 248 | nyeye.ca | - | - | - | Dec 2022 |
| 249 | opensourcepos.org | 2.75/10 | - | - | Dec 2023 |
| 250 | osm.be | 4.24/10 | - | - | Apr 2026 |
| 251 | parksteele.com | 0.10/10 | - | - | Mar 2026 |
| 252 | qasconcord.org | 0.84/10 | - | - | Aug 2025 |
| 253 | roamingcoffee.com | 0.14/10 | - | - | Jun 2024 |
| 254 | rule34.io | - | - | - | May 2026 |
| 255 | saintjosephauburn.org | 1.06/10 | - | - | Mar 2023 |
| 256 | sfcschool.org | 1.05/10 | - | - | Apr 2024 |
| 257 | shalomschool.org | 1.69/10 | - | - | Jan 2025 |
| 258 | spspasco.com | 0.40/10 | - | - | Apr 2026 |
| 259 | stapollinarisschool.org | 0.80/10 | - | - | Jul 2022 |
| 260 | stbasilschool.org | 1.42/10 | - | - | Oct 2022 |
| 261 | stisidoreschool.org | 1.40/10 | - | - | Mar 2023 |
| 262 | stjohnls.com | 0.29/10 | - | - | Nov 2022 |
| 263 | stmarysmoscow.com | 1.49/10 | - | - | Sep 2024 |
| 264 | stockhub.app | 0.44/10 | - | - | Mar 2021 |
| 265 | stphilomene.org | 1.65/10 | - | - | Apr 2023 |
| 266 | strose.org | 1.19/10 | - | - | May 2024 |
| 267 | strosecatholicschool.org | 0.80/10 | - | - | Mar 2025 |
| 268 | thybyte.de | 0.29/10 | - | - | Apr 2026 |
| 269 | ultimateplumbingil.com | 0.38/10 | - | - | Aug 2022 |
| 270 | wlcs.org | 1.60/10 | - | - | Nov 2022 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
Compare Sapper
- Sapper vs Microsoft ASP.NET
- Sapper vs Laravel
- Sapper vs Ruby on Rails
- Sapper vs Express
- Sapper vs CodeIgniter