What powers 
weld.app?
Last seen Oct 2026 · 26 technologies across 17 categories
Advertising
Analytics
Authentication
CDN
Cookie compliance
JavaScript frameworks
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 87% desktop
- 13% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.48 / 10 · ranked #404,520 of all domains
66 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.7 MB · 90 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Weld
- Industry: Software and apps (declares
WebApplication) - Profiles: Facebook, LinkedIn, X, Instagram, YouTube
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Jul 2019 (7 years) via Namecheap Inc., renews Jul 2027
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: Namecheap
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,580,839, 6 hosts
- Verified with: Google, HubSpot, Meta Business, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| weld.app | 24 |
| workspace.weld.app | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Oct 2026
- dropped HubSpot Analytics Aug 2026
- dropped Priority Hints Jul 2026
- dropped Three.js May 2026
- dropped LottieFiles Mar 2026
- dropped Emotion Jan 2026