Trust Flow
Link Quality
Topical Trust Flow

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Citation Flow
Link Volume

Comprehensive Cancer Information - National Cancer Institute

External backlinks




Incoming links from other websites, excludes supplemental

Referring domains

Unique domains linking to this site. Breakdown

Referring IPs

Unique IPs hosting referring domains

Referring Subnets

Unique Class-C subnets

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Outbound Links

99 Internal
11 External
110 Total Outlinks
4 Ext Domains
(Average per Crawled Page)


Crawled URLs 285,744
Indexed URLs 1,414,555
Educational Ref. Backlinks 232,810
Governmental Ref. Backlinks 1,239,549
Educational Ref. Domains 1,464
Governmental Ref. Domains 313
IP Address

Link Profile

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A report of the detected language for each page on this domain, and the languages of incoming anchor texts.

Incoming Languages

8,260,933 checked backlinks

  •   94.7% en English
  •    2.2% es Spanish/Castilian
  •    0.5% ja Japanese
  •    0.4% fa Persian
  •    0.2% de German
  •    0.2% it Italian
  •    0.2% zh Chinese
  •    0.1% el Greek (modern)
  •    0.1% fr French
  •    1.4% OTH Other

Site Languages

104,423 language-detected crawled URLs

  •   97.3% en English
  •    2.6% es Spanish/Castilian

Topical Trust Flow

A measure of how close you are to the most trusted websites in almost one thousand categories.

Topical Trust Flow is available on all websites, to all subscribers, even on our lowest-price plan.

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Referring Domains Breakdown

Referring Domains

This chart shows the number of Referring Domains reviewed every day.

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Anchor Text

See more results on the Anchor Text tab, where you can drill down into each keyword and find the Referring Domains and External Backlinks that use that Keyword.

# Anchor Text Referring Domains External Backlinks
Total Deleted NoFollow
1 national cancer institute Subscribe
409,628 32,312 10,786
2 Subscribe
730,447 311,889 574,202
3 Subscribe
27,799 2,332 1,193
4 Subscribe
24,177 2,585 1,758
5 cancer Subscribe
13,096 630 837
6 national cancer institute (nci) Subscribe
85,037 10,573 475
7 the national cancer institute Subscribe
4,524 804 230
8 Subscribe
7,558 483 902
9 breast cancer Subscribe
12,380 704 848

The above chart may have cropped text due to size restrictions, for full details visit the Anchor Text tab. We explain how this is created in the FAQs.

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