ncbi.nlm.nih.gov

Backlink analytics and domain authority

Overview: ncbi.nlm.nih.gov
Backlink profile
91
Domain Rating
out of 100
2.1M
Backlinks
2,140,140
95%
Dofollow ratio
2,032,473 of 2,140,140 links
36K
Ref. domains
36,006
Contact info
Emails
101
Phones
0
Social
5
Addresses
52
Backlink profile
Link types
95% dofollow
Dofollow 2,032,473
Nofollow 107,667
Referring domains by DR
90-100
6
70-89
3021
50-69
5176
30-49
3094
10-29
9663
0-9
15046
Backlink growth
Ref. domains Backlinks
4,987,748
2,493,874
0
2026-02
Top referring domains
View all 36006 →
Domain DR Links Dofollow
en.wikipedia.org 94 6809 6809
github.com 93 16 16
b.hatena.ne.jp 90 30 30
support.mozilla.org 90 2 2
sites.google.com 90 20 20
Referring domains
Followed 2,032,473 95%
Not followed 107,667 5%
Backlinks
Followed 2,032,473 95%
Not followed 107,667 5%
Referring domains by DR
90-100 6
70-89 3021
50-69 5176
30-49 3094
10-29 9663
0-9 15046
Classification
other
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Frequently Asked Questions
What is the domain authority of ncbi.nlm.nih.gov?
ncbi.nlm.nih.gov has a Domain Rank of 91 out of 100, placing it in the top 0.01% of all websites. This score is based on the quality and quantity of backlinks from 36,006 referring domains.
How many backlinks does ncbi.nlm.nih.gov have?
ncbi.nlm.nih.gov has 2,140,140 backlinks from 36,006 unique referring domains. 95% of these links are dofollow, passing link equity to the site.