StudentOS
Free college study planner with no sign up required. Deterministic assignment priority engine, 4.0 GPA what-if calculator, syllabus parser, and 8am-8pm schedule maker.
What we found
- It sends none of the six security headers we check.
- It has terms of service, but we found no privacy policy.
- DMARC only monitors (p=none), so email spoofing this domain is still delivered.
- Built with Express and React, the site is hosted on Google Cloud, with a domain registered in 2023.
Built with: 18 technologies
| Technology | Type |
|---|---|
| Infrastructure | |
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Hosting |
| HTTP/3 | Protocol |
| Build & Framework | |
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API |
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BaaS |
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Backend framework |
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CSS framework |
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Developer tools |
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Font |
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Framework |
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Geolocation |
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Geolocation |
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Localization |
| Nominatim | Maps |
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UI library |
| Analytics & Marketing | |
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Analytics |
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SEO |
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Tag management |
| Other | |
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Weather |
Each technology links to its own page: which other new sites launched with it.
Site checks
| Custom title and meta description | |
| Open Graph tags (title, image, description) | |
| Twitter card meta tags | |
| Canonical URL declared | |
| Responsive viewport meta tag | |
| Favicon present | |
| Semantic HTML (nav, main, article) | |
| Page title is 74 characters Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible. | |
| Meta description is 167 characters Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear. |
| Referrer-Policy | |
| X-Frame-Options | |
| Permissions-Policy experimental | |
| X-Content-Type-Options | |
| Content-Security-Policy | |
| Strict-Transport-Security | |
| X-XSS-Protection deprecated, not counted |
| Privacy policy not detected | |
| Terms of service / | |
| Consent manager analytics set no tracking cookies on our visit (it may be opt-in) |
Mentions: Cookies
| robots.txt | |
| sitemap.xml 9 URLs | |
| security.txt optional | |
| llms.txt | |
| ads.txt only for ad-funded sites | |
| humans.txt optional |
| llms.txt published | |
| No AI bots blocked in robots.txt | |
| Content-Signal none declared | |
| Link headers none advertised |
| State | Record | Status |
|---|---|---|
| SPF ?all | Neutral (?all), monitoring only (from ai.studio) | |
| DMARC p=none | Monitoring only (p=none) (from ai.studio) | |
| DKIM | Not found at common selectors | |
| MTA-STS | Not deployed | |
| TLS-RPT | Not configured |
Hosting and network
| Network | GOOGLE-CLOUD-PLATFORM - Google LLC, US AS396982, US |
|---|---|
| DNSSEC | Not enabled DNS answers are unsigned |
| Certificate | Google Trust Services valid 7 Oct 2026 to 30 Dec 2026, as captured |
| Domain age | 3.1 years registered Sep 2023, MarkMonitor Inc. |
| Green hosting | Yes per The Green Web Foundation |
| Page build | 3 JS files, 3 CSS files 6 third-party domains |
| App manifest | StudentOS — College Academic Planner display standalone; 4 icons; education, productivity |
| Brand colours |
Storage: 18 items
| Name | Lifetime | Set by |
|---|---|---|
| GAESA | 1mo | - |
| studentos_real_visitor_id | 1y | - |
| Key | Size | Set by |
|---|---|---|
| studentos_audience_analytics | 3.7 KB | - |
| studentos_courses_v2 | 1.2 KB | - |
| studentos_current_user_geo | 195 B | - |
| studentos_exams_v2 | 897 B | - |
| studentos_focus_stats_v2 | 74 B | - |
| studentos_gamification_v2 | 1.6 KB | - |
| studentos_profile_v2 | 221 B | - |
| studentos_real_visitor_id | 18 B | - |
| studentos_resources_v2 | 1.1 KB | - |
| studentos_sessions_v2 | 1.1 KB | - |
| studentos_settings_v2 | 172 B | - |
| studentos_tasks_v2 | 2.3 KB | - |
| Key | Size | Set by |
|---|---|---|
| studentos_active_session_sec | 1 B | - |
| studentos_live_hit__ | 13 B | - |
| Database | Version | Set by |
|---|---|---|
| firebase-heartbeat-database | 1 | Firebase |
| firebaseLocalStorageDb | 1 | Firebase |
Using 144 KB of browser storage (of a 10 GB quota).
Performance
| Measure | This site | Reading |
|---|---|---|
| Server response | 88 ms | good, faster than 93% of sites |
| Largest contentful paint | 800 ms | good |
| Layout shift | 0.03 | good |
| Page weight | 2.3 MB | fair |
| Image weight | 370 KB | light |
| Images | 5 | 3 larger than shown, 3 without width and height, 1 without alt text |
| Third-party domains | 6 | |
| Console errors | 0 | none |
| Failed requests | 0 | none |
From a single automated render of the home page. A quick guide, not a substitute for Lighthouse or field data. How we measure
Notes
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Looks AI-built: some AI signals.
How much the site looks AI-generated. It is a pattern match shown for interest, not a verdict.
Which signals fired
Signal Points AI copy signals +5 AI onboarding signals +5 AI writing signals +5 AI typography signals +15 - Performance comes from one render on 7 November 2026 and will vary between visits.
How we know
FirstSited records what new websites are built with, usually within a day of going live. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We checked this one in full: its tech stack, DNS, security headers and page basics. This page is what we saw on 7 November 2026; the live site may have changed since.
Every technology below links to its own page: which other new sites launched with it. Watch any of them and get every new site that uses it as it goes live, from £15 a month.

