What powers yufeizhao.com?
Last seen Jun 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
Caching
Varnish
since Jul 2019
CDN
Font scripts
Google Font API
since Jan 2019
JavaScript graphics
Miscellaneous
Open Graph
since Sep 2022
PaaS
GitHub Pages
since Jan 2019
UI frameworks
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| integer coefficients polynomials | #2 | 260 |
| power of a point | #3 | 97 |
| second moment | #3 | 38 |
| power of a point theorem | #4 | 32 |
| integer coefficients | #5 | 23 |
| lovasz local lemma | #3 | 17 |
| yufei zhao mit | #1 | 15 |
| yufei zhao math | #1 | 15 |
| graph theory combinatorics | #4 | 14 |
| double counting | #6 | 13 |
| probabilistic method in combinatorics | #1 | 12 |
| additive combinatorics | #5 | 12 |
| graph theory and additive combinatorics | #1 | 12 |
| young diagram | #7 | 10 |
| probabilistic method | #6 | 9 |
| abstract algebra problems | #8 | 9 |
| young tableau | #4 | 7 |
| point-ratio form | #4 | 5 |
| graph theory pdf | #6 | 5 |
| combinatorics for olympiads | #3 | 4 |
| bijection examples | #8 | 3 |
| coaching for maths olympiad | #4 | 3 |
| what is integer coefficients | #9 | 3 |
| second moment of binomial distribution | #4 | 3 |
| second moment method | #4 | 3 |
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
- 55% desktop
- 45% phone
India
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.42 / 10 · ranked #80,415 of all domains
58 referring domains · OpenPageRank
Search traffic
690 est. monthly organic visits (US)
274 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Fastly
- Weight: 1.8 MB · 19 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.