# What does いれいす【公式】 use?

いれいす【公式】 (ireisu.com) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-11-05).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records |  |

## Recent changes at いれいす【公式】

- 2026-10-29: started using [SendGrid](https://www.runsonwhat.com/reverse/sendgrid)

## FAQ

### What tools does いれいす【公式】 use?

As of November 2026, runsonwhat has found 11 tools at いれいす【公式】 (ireisu.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads. Company Ops: Google Workspace, SendGrid and Amazon SES. Last checked November 5, 2026.

### What email provider does いれいす【公式】 use?

いれいす【公式】 uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 416,690 companies runsonwhat tracks.

### What analytics tools does いれいす【公式】 use?

いれいす【公式】 uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on ireisu.com. Google Analytics is used by 904,916 companies runsonwhat tracks.

### Does いれいす【公式】 use jQuery?

Yes. runsonwhat found jQuery at いれいす【公式】 through jQuery code on ireisu.com. jQuery is a Frontend tool used by 928,522 companies runsonwhat tracks.

### Has いれいす【公式】 changed tools recently?

Yes. On runsonwhat's rechecks, いれいす【公式】 started using SendGrid (latest on October 29, 2026). A change counts only between two checks of ireisu.com done the same way.

### How does runsonwhat know what いれいす【公式】 uses?

runsonwhat reads public records only. Of the 11 tools at いれいす【公式】, 7 were found through code on ireisu.com, 2 through email records, 1 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ireisu.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/ireisu.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.