- Link Authority: 100/100 (medium confidence).
- Web graph rank: #5 of 134,979,706 domains, the top 0.001% of all domains.
- 13,197,285 linking domains counted in MrKeyword data.
- 807 hostnames under instagram.com in the web graph.
- 1st of 32 social networks and media on MrKeyword's list.
What is instagram.com's domain authority?
instagram.com has a MrKeyword Link Authority of 100/100. The score is MrKeyword's own PageRank over the followed links between domains in its link graph (the links MrKeyword has seen plus its web graph), resting on 11 linking domains seen by MrKeyword, log-scaled to 0–100 against the strongest domain.
This is MrKeyword's own metric, not Moz DA or Ahrefs DR (how the domain authority scores differ); how Link Authority is calculated gives both formulas.
How many websites link to instagram.com?
13,197,285 different domains link to instagram.com in MrKeyword's data, counting each linking website once however many links it has. That is the number SEO tools call referring domains. The web graph also lists 807 hostnames under instagram.com (subdomains such as www or blog count separately).
To see individual linking websites and anchor text, open the free backlink checker for instagram.com.
Which strong websites link to instagram.com?
The strongest linking domain MrKeyword's web graph shows for instagram.com is googleapis.com, with a Link Authority of 100. The table lists the 10 strongest by their own score.
Strongest domains linking to instagram.com
| Linking domain | Link Authority | Web graph rank |
|---|---|---|
| googleapis.com | 100 | #1 |
| facebook.com | 94 | #3 |
| youtube.com | 89 | #8 |
| godaddy.com | 87 | #11 |
| linkedin.com | 87 | #12 |
| wsimg.com | 86 | #13 |
| github.com | 86 | #15 |
| wordpress.org | 85 | #16 |
| apple.com | 84 | #20 |
| pinterest.com | 83 | #23 |
8 of the 10 strongest linking domains have a profile on MrKeyword's list too (facebook.com, youtube.com, godaddy.com, linkedin.com, github.com, wordpress.org, apple.com, pinterest.com). 4 of them are in instagram.com's own group, social networks and media.
How has instagram.com's Link Authority changed?
instagram.com's Link Authority held at 100 between 10 October 2026 and 2 November 2026, across 24 recalculations of MrKeyword's link graph.
Link Authority of instagram.com by recalculation
Link Authority history for instagram.com
| Date | Link Authority | Linking domains |
|---|---|---|
| 100 | 11 | |
| 100 | 11 | |
| 100 | 11 | |
| 100 | 11 | |
| 100 | 9 | |
| 100 | 6 | |
| 100 | 6 | |
| 100 | 6 | |
| 100 | 6 | |
| 100 | 6 | |
| 100 | 6 | |
| 100 | 6 | |
| 100 | 6 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 | |
| 100 | 5 |
How does instagram.com compare with similar websites?
instagram.com is 1st of 32 social networks and media on MrKeyword's list by Link Authority, ahead of the neighbours below. The median Link Authority of those 32 social networks and media is 75, so instagram.com is 25 points above it.
instagram.com and its nearest peers
| Website | Link Authority | Web graph rank | Linking domains |
|---|---|---|---|
| instagram.com | 100 | #5 | 13,197,285 |
| youtube.com | 89 | #8 | 9,983,996 |
| linkedin.com | 87 | #12 | 7,498,221 |
| twitter.com | 86 | #14 | 7,846,442 |
| x.com | 83 | #22 | 1,915,344 |
See every profiled site on the domain authority list of popular websites, or compare your own site with any of these in the free domain authority checker.
What does a Link Authority of 100 mean?
A Link Authority of 100 is MrKeyword's own PageRank score for instagram.com: it measures how strongly the domains in MrKeyword's link graph link to it, compared with the strongest domain. By its web graph rank, #5 of 134,979,706 domains, instagram.com is exceptional: among the most-linked domains on the web. That is the top 0.001% of the domains in the web graph.
To raise your own site's score, read how to increase domain authority; for the domains at the very top, see the most-linked websites of 2026. The authority list explains why the 0–100 scale is logarithmic.
Where does instagram.com's data come from?
instagram.com's score, its confidence and its history come from MrKeyword's link graph; its rank, hostname count and strongest linking sites come from MrKeyword's web graph (August–October 2026). This version uses data imported on 31 October 2026. How MrKeyword collects and labels this data.