What powers resistorcolorcodecalc.com?
Last seen Sep 2026 · 18 technologies across 12 categories
Advertising
Google AdSense
since Feb 2020
Analytics
Google Analytics
since Feb 2020
CDN
Cloudflare
since Jan 2025
Google Hosted Libraries
since Feb 2022
Cookie compliance
Funding Choices
since Oct 2023
Databases
Firebase
since Sep 2022
Font scripts
Google Font API
since Feb 2020
JavaScript libraries
decimal.js
since Mar 2020
Miscellaneous
Performance
Priority Hints
since Sep 2026
Security
Tag managers
Google Tag Manager
since Feb 2020
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% phone
- 35% desktop
India
United States
Indonesia
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.02 / 10 · ranked #12,172,365 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 150 ms |
| CLS | 0.15 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 1.2 MB · 104 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (151.101.1.195)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 6,785,208
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Priority Hints Sep 2026
- detected Cloudflare Bot Management Aug 2026
- dropped Microsoft ASP.NET Apr 2026
- dropped GoDaddy Feb 2026
- detected Microsoft ASP.NET Feb 2026
- dropped Zoho Feb 2026
- detected Cloudflare Jan 2026