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Site Information

sophia.org

Link authority for sophia.org (registrable domain: sophia.org) from the Common Crawl web graph: PageRank and harmonic centrality history since 2017, current scores, and the site's top backlink sources.

21Domain PageRank
39Host Backlinks
773Domain Backlinks
Link authority data (PageRank, harmonic centrality) and backlinks come from the Common Crawl web graph.
sophia_org.profile
Current Scores

Web-graph authority (0-100)

Domain scores measure sophia.org as a whole: every subdomain's links rolled up into one node of Common Crawl's domain-level web graph. Host scores measure the exact hostname sophia.org. WWW scores cover the www variant of that hostname, which the graph tracks as its own entry since January 2026 (before that, www and bare host were merged). A big gap between domain and host usually means the domain's authority lives on other subdomains. PageRank is link-endorsement authority: how much weight the sites linking here carry themselves. Harmonic centrality measures reach: how close this site sits to the rest of the web when following links, which favors broadly connected sites over ones boosted by a few heavy linkers. All are normalized 0 to 100 within each crawl snapshot; a dash means that series does not exist for this site.

21
Domain PageRank
2
Host PageRank
-
WWW PageRank
95
Domain Harmonic Centrality
94
Host Harmonic Centrality
-
WWW Harmonic Centrality
Site Intelligence

Homepage

What sophia.org presents on its own homepage: the page title, description, and the social share markup it publishes. Pulled from https://sophia.org.

TitleLow Cost Online Courses for College Credit | Sophia Learning
DescriptionSave time and money by earning credits toward a college degree with Sophia’s on-demand, self-paced courses.
OG TitleLow Cost Online Courses for College Credit | Sophia Learning
OG DescriptionSave time and money by earning credits toward a college degree with Sophia’s on-demand, self-paced courses.
OG Site NameSophia Learning
Twitter TitleLow Cost Online Courses for College Credit | Sophia Learning
Twitter Cardsummary
Site Intelligence

Social accounts and contact points

Where this site maintains a presence and every reachable route its homepage exposes: social accounts, contact pages, addresses, and content feeds.

Web-Graph History

Authority over time

Every Common Crawl web-graph release since 2017, roughly quarterly. The domain series goes back to 2017; Common Crawl only began publishing the host-level graph in 2020, so host lines start there. Click a legend entry to show or hide that line. Flat lines are normal for established sites; watch for sustained rises or drops, which track real gains or losses in who links here.

A note on www: through the end of 2025 the source web graph merged www and non-www hostnames into the bare name, so one host line covers both. Starting in January 2026 the graph splits them into separate entries, which is why www can carry its own scores going forward.

Backlink Data

Backlink counts

Unique linking domains seen in Common Crawl's link graphs. This is a different dataset than the 0-100 authority scores above: these are raw counts, host-level for sophia.org and domain-level for sophia.org with all its subdomains combined. Common Crawl covers a large sample of the web, not all of it, so treat counts as comparable between sites rather than absolute totals.

39
Host Backlinks
773
Domain Backlinks
Backlink Data

Top backlinks in the domain graph

Common Crawl publishes two link graphs. The DOMAIN graph connects whole domains: every link from any page of one domain to any page of another. This table shows the highest-authority domains linking to sophia.org (including its subdomains), ranked by the linker's PageRank. The table shows the top 773; the download carries the full stored list (up to 10,000 linkers) as JSON. Click a linker for its own site profile.

Download domain backlinks (.json)

Linking SiteLinker PageRankLinker Harmonic Centrality
github.com9148
github.io8747
blogspot.com8648
weebly.com8545
wixsite.com8345
nature.com8044
prnewswire.com8044
vercel.app8043
sagepub.com7942
businesswire.com7842
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web.app7542
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edweek.org7037
vt.edu6937
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ning.com6838
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ri.gov6836
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itmedia.co.jp6737
unam.mx6736
zenn.dev6637
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siemprerecht.com00
sophiadiscountcodes.com00
jtprescott.com00
freecareermatch.com00
wyba.org00
volt-paradise.com00
greyseek.com00
grupopflucker.com00
commercebizhub.com00
homeworkaiders.com00
chriscryer.com00
sophiacourses.online00
ongensets.com00
katebrilakis.com00
aunjahne.com00
mooretosay.org00
asdqb.com00
kryapp301.se00
pixaplay.de00
gedankenpolitik.de00
mistymartinez.com00
mylifespectrum.com00
Backlink Data

Top backlinks in the host graph

The HOST graph connects exact hostnames, so subdomains count separately. This table shows the highest-authority hosts linking to sophia.org specifically, ranked by the linker's PageRank. The table shows the top 39; the download carries the full stored list (up to 10,000 linkers) as JSON. Click a linker for its own site profile.

Download host backlinks (.json)