Websites Powered by Letro
229 websites tracked using Letro (Reviews) · service.aainc.co.jp
Letro is a customer reviews and ratings tool. Its official site is service.aainc.co.jp. PoweredBy tracks the websites that use Letro across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the reviews ecosystem.
Usage trend
50
100
150
200
Jun 2022
Jul 2023
Aug 2024
Aug 2025
Sep 2026
Domains observed using Letro in each month's HTTP Archive crawl,
Jun 2022 to Sep 2026 · peak 196 in Jul 2025. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 125 ms
CLS 0
TTFB 650 ms
Median site among 176 Letro sites with Chrome UX data, p75 values, Sep 2026.
Top countries
Japan
177
Taiwan
25
United States
19
Hong Kong SAR China
15
Singapore
15
South Korea
14
Australia
12
Thailand
12
Sites using Letro by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Travel and hospitality | <0.01% | 3 |
| Home and construction | <0.01% | 1 |
| Retail | <0.01% | 3 |
Share of each industry's websites with a detected stack that use Letro; industries come from what sites declare in their own structured data.
Top sites by authority
9+
0% · 0 of 372 sites
8+
<1% · 3 of 7,677 sites
7+
<1% · 9 of 45,712 sites
6+
<1% · 15 of 110,136 sites
5+
<1% · 35 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Letro in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Letro
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | suntory.co.jp | 8.31/10 | 350 | 279 | Jan 2023 |
| 2 | fujifilm.com | 8.23/10 | 35,600 | 13,498 | Nov 2025 |
| 3 | princehotels.co.jp | 8.18/10 | 1,200 | 496 | Jul 2025 |
| 4 | kewpie.co.jp | 7.35/10 | 6 | 20 | Feb 2025 |
| 5 | sendenkaigi.com | 7.19/10 | - | 7 | Feb 2024 |
| 6 | glico.com | 7.10/10 | 8,000 | 1,053 | May 2023 |
| 7 | kidzania.jp | 7.07/10 | 160 | 131 | Jul 2025 |
| 8 | basefood.co.jp | 7.02/10 | 69 | 6 | Jun 2022 |
| 9 | kaneka.co.jp | 7.01/10 | 1,600 | 302 | Oct 2025 |
| 10 | bornelund.co.jp | 6.81/10 | 20 | 9 | Apr 2025 |
| 11 | veltra.com | 6.73/10 | 1,800 | 1,465 | Jun 2022 |
| 12 | angfa-store.jp | 6.39/10 | 42 | 2 | Jun 2022 |
| 13 | radishbo-ya.co.jp | 6.28/10 | 1 | 7 | Jun 2022 |
| 14 | kurotetu.co.jp | 6.24/10 | 52 | 22 | May 2025 |
| 15 | green-spoon.jp | 6.08/10 | 2 | 17 | Jun 2022 |
| 16 | suntory-kenko.com | 5.88/10 | 5 | 19 | Jun 2026 |
| 17 | atoa-kobe.jp | 5.84/10 | 37 | 20 | Jun 2025 |
| 18 | air-closet.com | 5.71/10 | - | 2 | Feb 2023 |
| 19 | nifrel.jp | 5.71/10 | 83 | 29 | Nov 2024 |
| 20 | ishizawa-lab.co.jp | 5.65/10 | 1,300 | 441 | Feb 2023 |
| 21 | haba.co.jp | 5.62/10 | - | 3 | Aug 2025 |
| 22 | escrit.jp | 5.61/10 | - | 1 | Jun 2022 |
| 23 | sirok.jp | 5.53/10 | 100 | 23 | Jan 2023 |
| 24 | shionogi-hc.co.jp | 5.53/10 | 71 | 90 | Nov 2024 |
| 25 | ai-koumuten.co.jp | 5.51/10 | - | 1 | Apr 2026 |
| 26 | tiger-corporation.com | 5.50/10 | 22,600 | 6,019 | Dec 2024 |
| 27 | mini-mal.tokyo | 5.33/10 | 100 | 29 | Dec 2022 |
| 28 | drobe.jp | 5.32/10 | - | - | Dec 2022 |
| 29 | daichi-m.co.jp | 5.32/10 | - | - | Jan 2023 |
| 30 | mochikichi.co.jp | 5.32/10 | 40 | 29 | Oct 2023 |
| 31 | aidagroup.co.jp | 5.29/10 | - | 1 | Dec 2024 |
| 32 | etvos.com | 5.27/10 | 7 | 10 | Jun 2022 |
| 33 | frantz.jp | 5.26/10 | 9 | 4 | Dec 2024 |
| 34 | 889100.com | 5.24/10 | - | - | May 2024 |
| 35 | medulla.co.jp | 5.03/10 | 8 | 6 | Jun 2022 |
| 36 | rosette.jp | 4.86/10 | - | - | Jun 2022 |
| 37 | sharkninja.jp | 4.75/10 | - | - | Mar 2024 |
| 38 | goodnaturestation.com | 4.74/10 | - | - | Jun 2022 |
| 39 | muscledeli.jp | 4.74/10 | - | - | Jun 2022 |
| 40 | lasana.co.jp | 4.74/10 | - | - | Jun 2022 |
| 41 | hana-yume.net | 4.71/10 | - | - | Oct 2023 |
| 42 | grirose.jp | 4.69/10 | - | - | Jun 2025 |
| 43 | copin.co.jp | 4.69/10 | - | - | Dec 2023 |
| 44 | doctork.jp | 4.67/10 | - | - | Sep 2024 |
| 45 | pixiogaming.jp | 4.66/10 | - | - | Dec 2024 |
| 46 | forcise.jp | 4.31/10 | - | - | Apr 2026 |
| 47 | drip-pod.jp | 4.24/10 | - | - | Nov 2024 |
| 48 | wonjungyobeauty.jp | 4.23/10 | - | - | Apr 2026 |
| 49 | kaiyoukan.jp | 4.23/10 | - | - | Mar 2025 |
| 50 | yourkins.com | 4.15/10 | - | - | Jun 2022 |
| 51 | 7meal.jp | 4.10/10 | 2 | 5 | Apr 2024 |
| 52 | argital.jp | 4.07/10 | - | - | Feb 2023 |
| 53 | lunasol-official.com | 4.04/10 | - | - | Sep 2022 |
| 54 | furacoco.co.jp | 4.04/10 | - | - | Sep 2023 |
| 55 | alo-organic.com | 4.03/10 | - | - | Jun 2022 |
| 56 | 816t.jp | 3.99/10 | - | - | Jun 2025 |
| 57 | kohgendo.com | 3.98/10 | - | - | Jun 2022 |
| 58 | sharebatake.com | 3.95/10 | - | - | Oct 2024 |
| 59 | ouchi.coop | 3.90/10 | - | - | Jan 2025 |
| 60 | house-craft.jp | 3.84/10 | - | - | May 2025 |
| 61 | tobu-maas.jp | 3.83/10 | - | - | Apr 2025 |
| 62 | ailebebe.jp | 3.83/10 | 5 | 9 | May 2025 |
| 63 | beautyfarm.co.jp | 3.83/10 | 3 | 10 | Jan 2025 |
| 64 | bglen.net | 3.80/10 | 2 | 5 | Jun 2024 |
| 65 | phoebebeautyup.com | 3.78/10 | - | - | Jun 2022 |
| 66 | benoitnihant.jp | 3.76/10 | - | 1 | Sep 2025 |
| 67 | mdc.co.jp | 3.75/10 | - | - | Jun 2022 |
| 68 | richell-shop.jp | 3.71/10 | - | - | Nov 2024 |
| 69 | aimed.jp | 3.65/10 | 1 | 3 | Nov 2023 |
| 70 | andbe-official.com | 3.60/10 | - | 4 | Jul 2025 |
| 71 | tsurukame-kitchen.com | 3.58/10 | - | - | Apr 2025 |
| 72 | nissinkanzenmeshi.com | 3.54/10 | - | - | Jan 2023 |
| 73 | stefany.co.jp | 3.54/10 | - | - | Jun 2022 |
| 74 | brightage.jp | 3.49/10 | - | - | Jun 2022 |
| 75 | lepeelorganics.jp | 3.48/10 | - | - | Feb 2025 |
| 76 | fitdish.jp | 3.46/10 | - | - | Feb 2025 |
| 77 | smartsolar.co.jp | 3.43/10 | - | - | Apr 2025 |
| 78 | sonoko.co.jp | 3.42/10 | - | - | Sep 2024 |
| 79 | fas-jp.com | 3.40/10 | - | - | Jul 2024 |
| 80 | pan-musubi.jp | 3.40/10 | - | - | May 2024 |
| 81 | chanoma.co.jp | 3.37/10 | - | - | Aug 2023 |
| 82 | unlics.jp | 3.35/10 | - | - | Mar 2025 |
| 83 | drhauschka.jp | 3.32/10 | - | - | Nov 2024 |
| 84 | loofen.jp | 3.25/10 | - | - | Oct 2022 |
| 85 | takagi-member.jp | 3.23/10 | - | - | Oct 2024 |
| 86 | capony-wakanyaku.co.jp | 3.22/10 | - | - | Feb 2025 |
| 87 | medulla.jp | 3.21/10 | - | - | Jul 2024 |
| 88 | hitatenryosui.co.jp | 3.21/10 | - | - | Dec 2024 |
| 89 | kincho-engei.co.jp | 3.20/10 | - | - | Apr 2026 |
| 90 | wafukan-ichi.jp | 3.16/10 | - | - | Jan 2025 |
| 91 | directishii.net | 3.10/10 | - | - | May 2026 |
| 92 | the-kindest.com | 3.00/10 | - | - | Jun 2022 |
| 93 | wakaze-store.com | 2.92/10 | - | - | Jun 2022 |
| 94 | athtrition.com | 2.91/10 | - | - | Apr 2024 |
| 95 | myhoneyjapan.com | 2.85/10 | - | - | Jun 2022 |
| 96 | ohayo-reuteri.com | 2.82/10 | - | - | Aug 2024 |
| 97 | tsurutontan-udon.jp | 2.79/10 | - | - | Jan 2025 |
| 98 | bon-quish.jp | 2.77/10 | - | - | Apr 2025 |
| 99 | akaishionline.com | 2.76/10 | - | - | Mar 2025 |
| 100 | beautymylab.com | 2.69/10 | 2 | 4 | Feb 2025 |
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) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
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