What powers nvic.org?
Last seen Jun 2026 · 13 technologies across 9 categories
Analytics
Cloudflare Browser Insights
since Jun 2024
Google Analytics
since Jun 2018
CDN
cdnjs
since Aug 2022
Cloudflare
since Nov 2021
CRM
Zoho
since Aug 2022
Font scripts
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since Aug 2022
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Miscellaneous
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since Sep 2022
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since Sep 2022
Tag managers
Google Tag Manager
since Aug 2022
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| measles disease | #91 | 1,700 |
| measles | #85 | 1,300 |
| measles vaccine | #74 | 280 |
| chickenpox vaccine | #92 | 260 |
| rsv vaccine | #73 | 260 |
| hav vaccine | #92 | 230 |
| diphtheria | #78 | 230 |
| national vaccine information center | #1 | 220 |
| rotavirus | #69 | 210 |
| poliomyelitis vaccine | #67 | 190 |
| polio vaccine | #75 | 190 |
| pertussis vaccine | #95 | 160 |
| polio shot | #57 | 140 |
| meningococcal vaccine | #94 | 130 |
| meningococcal vaccine | #56 | 130 |
| do private schools require vaccinations | #1 | 120 |
| zoster immunization | #78 | 120 |
| tetanus vaccine | #91 | 100 |
| haemophilus influenzae vaccine | #62 | 100 |
| shingles vaccine side effects | #97 | 95 |
| shingles vaccine side effects | #53 | 95 |
| haemophilus hib | #83 | 85 |
| haemophilus hib | #79 | 85 |
| mumps vaccine side effects | #19 | 73 |
| rotavirus vaccine | #57 | 70 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 72% desktop
- 28% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.72 / 10 · ranked #61,444 of all domains
728 referring domains · OpenPageRank
Search traffic
11,100 est. monthly organic visits (US)
5,568 keywords in Google's top 30
Core Web Vitals
| LCP | 1.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.7 MB · 40 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.