Học miễn phí về toán học, nghệ thuật, lập trình máy tính, kinh tế, vật lý, hóa học, sinh học, y học, tài chính, lịch sử, và nhiều hơn nữa. Khan Academy là một tổ chức phi lợi nhuận với sứ mệnh cung cấp một nền giáo dục đẳng cấp thế giới, miễn phí cho bất cứ ai, bất cứ nơi nào.

2.50 Rating by CuteStat

This website is a sub-domain of khanacademy.org. It has a global traffic rank of #508 in the world. This website is estimated worth of $ 30,421,440.00 and have a daily income of around $ 28,168.00. As no active threats were reported recently by users, vi.khanacademy.org is SAFE to browse.

PageSpeed Score
0
Siteadvisor Rating
No Risk Issues

Traffic Report

Daily Unique Visitors: 3,520,950
Daily Pageviews: 28,167,600

Estimated Valuation

Income Per Day: $ 28,168.00
Estimated Worth: $ 30,421,440.00

Search Engine Indexes

Google Indexed Pages: Not Applicable
Bing Indexed Pages: Not Applicable

Search Engine Backlinks

Google Backlinks: Not Applicable
Bing Backlinks: Not Applicable

Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: No Risk Issues
WOT Trustworthiness: Not Applicable
WOT Child Safety: Not Applicable

Website Ranks & Scores

Alexa Rank: 508
Domain Authority: Not Applicable

Web Server Information

Hosted IP Address:

151.101.65.42

Hosted Country:

United States of America US

Location Latitude:

37.751

Location Longitude:

-97.822
Khan Academy | Miễn phí các khóa học trực tuyến, Bài học & Bài tập thực hành

Page Resources Breakdown

Homepage Links Analysis

Website Inpage Analysis

H1 Headings: 1 H2 Headings: 8
H3 Headings: 7 H4 Headings: Not Applicable
H5 Headings: Not Applicable H6 Headings: Not Applicable
Total IFRAMEs: 1 Total Images: 20
Google Adsense: Not Applicable Google Analytics: Not Applicable

HTTP Header Analysis

HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 52762
Content-Type: text/html; charset=utf-8
X-Powered-By: Express
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Cache-Control: no-store, must-revalidate
ETag: W/"36f0e-J6ER5rpmNpKioq2nVsDPn0osd/Q"
Content-Encoding: gzip
Server: Google Frontend
Via: 1.1 varnish, 1.1 varnish
Accept-Ranges: bytes
Date: Sat, 08 May 2021 09:31:09 GMT
Age: 29561
X-Served-By: cache-mdw17345-MDW, cache-sjc10021-SJC
X-Cache: HIT, HIT
X-Cache-Hits: 1, 1
X-Timer: S1620466269.493012,VS0,VE2
Vary: Accept-Encoding, x-fastly-country, x-ka-curriculum, x-ka-has-any-permissions, x-ka-is-e2e, x-ka-is-ios, x-ka-is-phantom, x-ka-is-phone, x-ka-is-tablet, x-ka-is-unsupported-browser, x-ka-lang, x-ka-locale, x-ka-locale-status, x-ka-may-be-under13, x-ka-published-content-version, x-ka-static-version
X-KA-Cached-Trace-ID: 2176ab1c-e103-4e71-bcec-dde680bdb1ce
X-Cloud-Trace-Context: 4dbed3fa-6288-4eed-be39-593311bd1d15
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload

DNS Record Analysis

Host Type TTL Extra
prod.khan.map.fastly.net A 26 IP: 151.101.65.42
prod.khan.map.fastly.net A 26 IP: 151.101.193.42
prod.khan.map.fastly.net A 26 IP: 151.101.129.42
prod.khan.map.fastly.net A 26 IP: 151.101.1.42
vi.khanacademy.org CNAME 300 Target: prod.khan.map.fastly.net

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