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noi.cn

noi.cn had about 481K visits in September 2026, up 24.58% from August; most traffic is direct.

NOI全国青少年信息学奥林匹克竞赛

Website traffic

How much traffic does noi.cn get?

481K

+24.58%MoMEstimated monthly visits
789519.48K346.32K173.16K0
Global rank

61,360

Country rank · China

1,751

Category rank · Computers Electronics and Technology

1,870

Average visit duration

04:01

Pages per visit

9.44

Bounce rate

19.28%

Domain age

24 years

Search share

17.0%

Sources

Where does noi.cn's traffic come from?

  • Direct
    75.8%
  • Search
    17.0%
  • Referrals
    5.5%
  • Social
    0.9%
  • Generative AI
    0.5%
  • Email
    0.2%
  • Display ads
    0.1%
  • Other
    0.0%
  • Paid search
    0.0%

Regions

Which countries visit noi.cn?

  • China
    89.1%
  • Hong Kong SAR China
    4.7%
  • United States
    2.6%
  • Singapore
    1.3%
  • Japan
    0.9%

See how noi.cn compares with the most visited websites in the world, the fastest growing websites and sites gaining organic search traffic.

Search visibility

What keywords send traffic to noi.cn?

Keyword samples

Estimated visitsMonthly searchesVisits ÷ searches
  1. noiBRAND8.16K61.63K13%
  2. csp-s初赛官网2.63K—
  3. 信息学奥赛2.09K—
  4. noip官网BRAND1.97K—
  5. noip官网入口BRAND1.97K—

Keyword rankings

Keyword rankings

Example · google.comUnited States · English

86.4M

Search estimate

New 1 · Up 2

Ranking keywords
12,400
Landing pages
4
Search competitors
4
AI citations
2
PositionEstimated visits
  1. google#142M
  2. gmail#118.2M
  3. google maps#19.4M
  4. google drive#14.1M

Full keyword rankings are a Pro feature

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Baidu rank

Site profile

What does noi.cn show publicly?

  • HTTP 200
  • Hosting ASN
HTTP
200
Page size
32.3 KiB
Hosting
ALIBABA-CN-NET · AS37963
TLS
TLSv1.2 · 156 days
Page and SEO
Title
NOI全国青少年信息学奥林匹克竞赛
Cross-origin redirect
No
Word count
1,086
Internal / external links
58 / 6
Language
zh-cn
H1 / H2
0 / 0
Images missing alt
28 / 28
Technology and tracking2 technologies
Technology clues
Bootstrap · jQuery
Server
Tengine/2.3.2
Security headers
0 / 6
Cookie
1（Secure 0）
Email and DNS security
SPF
Not found
DMARC
Not found
DKIM selectors
Not found
IPv6
No AAAA
SOA
vip3.alidns.com
NS
vip3.alidns.com. · vip4.alidns.com.
Hosting and networkAS37963
A
47.93.95.62
Hosting ASN
AS37963 · 47.92.0.0/15
Hosting organization
ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd.
Hosting country
CN
BGP announcement
Yes
TLS
TLSv1.2 · Verified
Certificate issuer
Encryption Everywhere DV TLS CA - G2
Certificate remaining
156 days
Certificate SAN
DNS:*.noi.cn · DNS:noi.cn
robots and AI crawlingHTTP 200
Robots.txt
200
Sitemap
Discovered
Well-known public paths
Present / checked
0 / 5

Website information

When was noi.cn registered?

Domain
noi.cn
Registration status
Domain registered
Registered
2003-03-17
Registrar
北京新网数码信息技术有限公司
Expires
2031-03-17
Domain age
24 years
Registry status
clientTransferProhibited

Similar sites

What sites are similar to noi.cn?

Website reports in the same category, with nearby monthly visits.

What's in this report

The report starts with a whole-site monthly visit estimate. Search visibility and public site facts follow when they exist.

  • Website traffic is a modeled whole-site estimate, with a source, observation period and confidence.
  • Search visibility is ranking keywords and search traffic, listed separately from whole-site visits.
  • Missing or partial values stay marked in the report.
Data notes →How estimates are produced →Website traffic sources →Claim, correct or hide this report →