oppalerts.com →
Site Information

onpage.com

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

23Domain PageRank
29Host Backlinks
227Domain Backlinks
Link authority data (PageRank, harmonic centrality) and backlinks come from the Common Crawl web graph.
onpage_com.profile
Current Scores

Web-graph authority (0-100)

Domain scores measure onpage.com 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 onpage.com. 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.

23
Domain PageRank
3
Host PageRank
-
WWW PageRank
96
Domain Harmonic Centrality
95
Host Harmonic Centrality
-
WWW Harmonic Centrality
Site Intelligence

Homepage

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

TitleOnPage | OnCall Management | Healthcare Secure Communication
DescriptionThe OnPage incident alert management and pager replacement system reduces resolution time, improves team collaboration and accountability.
OG TitleOnPage | OnCall Management | Healthcare Secure Communication
OG DescriptionThe OnPage incident alert management and pager replacement system reduces resolution time, improves team collaboration and accountability.
OG Site NameOnPage
Twitter Cardsummary_large_image
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.

Googleplay com.onpage
Facebook OnPage
X On_Page
Linkedin 22552 (business)
Contact pages https://www.onpage.com/contact-us/
https://onpage.com/contact-us/
Phones 17819160040
Blog https://www.onpage.com/blog/
Site Intelligence

Structured data (JSON-LD)

The schema.org markup this homepage publishes: the machine-readable identity search engines and AI systems read. Types found: Corporation, SiteNavigationElement, WebSite.

JSON-LD block (826 bytes)
{"@context":"https:\/\/schema.org","@type":"Corporation","name":"OnPage","url":"https:\/\/www.onpage.com","ContactPoint":{"@type":"ContactPoint","contactType":"sales","telephone":"+1-781-916-0040 ","url":"129","contactOption":["HearingImpairedSupported","TollFree"],"availableLanguage":"English"},"logo":{"@type":"ImageObject","url":"https:\/\/www.onpage.com\/wp-content\/uploads\/onpage-logo.jpg","width":259,"height":60},"sameAs":["https:\/\/www.facebook.com\/OnPage","https:\/\/www.instagram.com\/onpagecorp\/","https:\/\/www.youtube.com\/@Onpagealerts","https:\/\/x.com\/On_Page","https:\/\/www.linkedin.com\/company\/22552","https:\/\/www.facebook.com\/OnPage","https:\/\/www.instagram.com\/onpagecorp\/","https:\/\/www.youtube.com\/@Onpagealerts","https:\/\/x.com\/On_Page","https:\/\/www.linkedin.com\/company\/22552"]}
JSON-LD block (11,681 bytes)
{"@context":"https:\/\/schema.org","@graph":[{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Products","url":"#ubermenu-row"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"[Column]","url":"#ubermenu-column"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"On-Call Alerting","url":"https:\/\/www.onpage.com\/products\/on-call-alerting\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"On-Call Management","url":"https:\/\/www.onpage.com\/products\/what-is-it-oncall-management-system\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Incident Alert Management","url":"https:\/\/www.onpage.com\/products\/incident-alert-management-for-it\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Live Call Routing","url":"https:\/\/www.onpage.com\/products\/live-call-routing\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Mass Notifications","url":"https:\/\/www.onpage.com\/products\/mass-notification-system\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Clinical Communication & Collaboration","url":"https:\/\/www.onpage.com\/products\/clinical-collaboration-system\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"HIPAA-Compliant Messaging","url":"https:\/\/www.onpage.com\/products\/hipaa-compliant-messaging\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Pager Replacement","url":"https:\/\/www.onpage.com\/products\/pager-app\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Healthcare On-Call Management","url":"https:\/\/www.onpage.com\/products\/on-call-management-for-healthcare\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Patient-Provider Communication","url":"https:\/\/www.onpage.com\/products\/patient-doctor-communication\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Free Trial","url":"https:\/\/www.onpage.com\/free-trial\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Integrations","url":"https:\/\/www.onpage.com\/integrations\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"What's New?","url":"https:\/\/www.onpage.com\/onpage-new-features-upgrades-and-integrations\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"What We Built in 2025, and Why It Matters Going Into 2026","url":"https:\/\/www.onpage.com\/what-we-built-in-2025-and-why-it-matters-going-into-2026\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Why OnPage?","url":"https:\/\/www.onpage.com\/why-onpage\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Comparison","url":"https:\/\/www.onpage.com\/comparison\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Pricing","url":"https:\/\/www.onpage.com\/pricing\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Reliability","url":"https:\/\/www.onpage.com\/reliability\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Testimonials","url":"https:\/\/www.onpage.com\/client-testimonials\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Healthcare IT Trends 2023","url":"#ubermenu-custom_content"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"How It Works","url":"https:\/\/www.onpage.com\/how-it-works-onpage-alert-management\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Who We Help","url":"https:\/\/www.onpage.com\/industry\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"By Industry","url":"#ubermenu-custom_content"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Healthcare","url":"https:\/\/www.onpage.com\/clinical-communications-platform\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"IT Incident Response","url":"https:\/\/www.onpage.com\/it-incident-response\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Managed Services","url":"https:\/\/www.onpage.com\/managed-service-providers\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Govt. & Federal Agencies","url":"https:\/\/www.onpage.com\/government-public-safety\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Internet of Things","url":"https:\/\/www.onpage.com\/iot\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Other","url":"https:\/\/www.onpage.com\/industry\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"IT Use Case","url":"#ubermenu-custom_content"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Business Continuity","url":"https:\/\/www.onpage.com\/business-continuity-management\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"CloudOps","url":"https:\/\/www.onpage.com\/onpage-for-cloud-migration\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"DevOps","url":"https:\/\/www.onpage.com\/add-incident-alert-management-to-your-devops-pipelines\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Help Desk","url":"https:\/\/www.onpage.com\/help-desk-communication-and-alerting\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Cybersecurity","url":"https:\/\/www.onpage.com\/onpage-for-security-operations\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Site Reliability","url":"https:\/\/www.onpage.com\/onpage-for-sre-alerting\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Healthcare Use Case","url":"#ubermenu-custom_content"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Behavioral Health","url":"https:\/\/www.onpage.com\/behavioral-health\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Emergency Services","url":"https:\/\/www.onpage.com\/emergency-medical-services\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Home Health and Hospice","url":"https:\/\/www.onpage.com\/home-health-and-hospice\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Midwifery Care","url":"https:\/\/www.onpage.com\/midwifery-group-communication\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Telemedicine","url":"https:\/\/www.onpage.com\/telemedicine-pager-messaging-for-telemedicine\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"on-call management guide","url":"#ubermenu-custom_content"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Resources","url":"#"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"OnPage University","url":"https:\/\/www.onpage.com\/onpage-university\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Healthcare Resource Library","url":"https:\/\/www.onpage.com\/healthcare-resource-library\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"IT Resource Library","url":"https:\/\/www.onpage.com\/it-resource-library\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"MSP Resource Library","url":"https:\/\/www.onpage.com\/msp-resource-library-2\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Knowledge Base","url":"https:\/\/docs.onpage.com\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Blog","url":"https:\/\/www.onpage.com\/blog\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"OnPage in the News","url":"https:\/\/www.onpage.com\/onpage-in-news\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Tutorial Videos","url":"https:\/\/www.onpage.com\/tutorial-videos\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Videos","url":"https:\/\/www.onpage.com\/resources-videos\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"OnPage on Social","url":"https:\/\/www.onpage.com\/onpage-on-social\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Healthcare Customer Stories","url":"https:\/\/www.onpage.com\/healthcare-customer-stories\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"IT & Managed IT Customer Stories","url":"https:\/\/www.onpage.com\/it-managed-it-customer-stories\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Other Industry Customer Stories","url":"https:\/\/www.onpage.com\/other-industry-customer-stories\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Free Tools","url":"#ubermenu-column"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Free On-Call Generator","url":"https:\/\/www.onpage.com\/free-on-call-schedule-generator\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Partners","url":"#"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Answering Services and Resellers","url":"https:\/\/www.onpage.com\/secure-messaging-for-answering-services\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Partner Program","url":"https:\/\/www.onpage.com\/partner-program-overview\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Develop for OnPage","url":"https:\/\/www.onpage.com\/developer-program-onpage\/"},{"@context":"https:\/\/schema.org","@type":"SiteNavigationElement","id":"site-navigation","name":"Top Incident Alerting and On-Call Management Software (2026 Buyer’s Guide)","url":"https:\/\/www.onpage.com\/top-incident-alerting-and-on-call-management-software-buyers-guide\/"}]}
JSON-LD block (257 bytes)
{"@context":"https:\/\/schema.org","@type":"WebSite","name":"OnPage","url":"https:\/\/www.onpage.com","potentialAction":[{"@type":"SearchAction","target":"https:\/\/www.onpage.com\/?s={search_term_string}","query-input":"required name=search_term_string"}]}
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 onpage.com and domain-level for onpage.com 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.

29
Host Backlinks
227
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 onpage.com (including its subdomains), ranked by the linker's PageRank. The table shows the top 227; 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
google.com10099
apple.com9253
github.com9148
wikipedia.org9053
blogspot.com8648
forbes.com8346
outlook.com8344
prnewswire.com8044
statuspage.io8038
g2.com7740
incident.io7134
servicenow.com7038
instatus.com7034
tidio.com6837
einpresswire.com6836
lifecoachingandtherapy.com6733
keepersecurity.com6536
atlantic.net6535
nagios.org6428
pragmaticengineer.com6335
forbesjapan.com6335
tabnine.com6237
apify.com6136
process.st6135
logz.io6126
kaseya.com6035
bmmagazine.co.uk5935
datto.com5925
hcinnovationgroup.com5925
devopsdays.org5834
rtinsights.com5825
hitconsultant.net5825
zonkafeedback.com5823
saashub.com5735
connecteam.com5734
intermedia.com5733
middleware.io5634
everhour.com5634
textexpander.com5634
thectoclub.com5624
voipbusiness.com5623
paubox.com5533
edgedelta.com5524
scalefusion.com5524
mezmo.com5523
dataforseo.com5434
ringover.com5433
xurrent.com5433
zenkit.com5334
hyscaler.com5324
joinblink.com5323
cybsafe.com5233
eesel.ai5224
komodor.com5224
builtinboston.com5123
promptloop.com5033
barry.edu5024
keragon.com5022
tms-outsource.com5022
itchronicles.com5022
cm-alliance.com5022
televox.com5021
webcatalog.io4934
bacancytechnology.com4922
mymotherlode.com4834
g2risksolutions.com4833
myoperator.com4833
collabnix.com4824
hostedgraphite.com4823
rapidops.com4822
citrusbug.com4821
curemd.com4733
innovativehumancapital.com4722
electronichealthreporter.com4624
motadata.com4624
clickittech.com4623
atoms.dev4622
pagertree.com4533
worldcongress.com4524
blaze.tech4522
itrate.co4520
sreweekly.com4423
techleadjournal.dev4423
codecondo.com4423
talentmsh.com4421
digitalwavetechnology.com4421
revo.ai4418
techsling.com4233
computertechreviews.com4223
parsec-corp.com4222
opsmatters.com4221
phonedeck.net4219
futuramo.com4133
kotaradio.com4133
ambscallcenter.com4121
parentingvista.com4120
kbew98country.com4033
scienceprog.com4024
sayonetech.com4023
technicalustad.com4022
radore.com4022
bask.health4021
hyperping.com4019
all80sz1063.com3933
kynt1450.com3933
strikingalchemy.com3918
businessheraldonline.com3833
todayinmedicine.com3833
cocofax.com3822
ringover.co.uk3821
noem.ai3819
hokstadconsulting.com3819
gaming-insider.com3818
thebusinessgazetteonline.com3733
voip.review3723
exigence.io3722
tianpan.co3722
infusedinnovations.com3722
corefactors.ai3721
businesssworld.com3721
rhythm360.io3633
healthindustrywatch.com3633
healthcareindustrytoday.com3633
globalhealthcaretoday.com3633
todayinhealthcare.com3633
worldhealthcarereport.com3633
acsim.app3622
faqprime.com3622
howtests.com3620
1stream.com3618
essentialhealthcarenews.com3533
swanislandnetworks.com3420
threedifferentdirections.com3322
themedicalpractice.com3320
frankfortchamber.com3219
ottehr.com3123
aiello.ai3122
techheat.co.uk3122
novelvista.com3121
whatarethebest.com3119
supportadventure.com3119
casestudies.com3119
cleangofrance.com3119
nexsoftsys.com3020
wavity.ai3017
hamilton-barnes.com2922
sdata.us2921
teamrecovery.io2919
nextstage.co.il2819
appliedtechnologynews.com2619
internationalworldtimes.com2522
patientcalls.com2518
medicalconnectivity.com2422
mdtechreview.com2421
internationaltechtimes.com2420
orna.app2418
startel.com2413
thedailynotes.com2319
phoenixincidents.com2319
globalreporterjournal.com2222
scitechnewsnetwork.com2220
canadianbusinesstoday.com2119
achirou.com2118
pendium.ai2118
contactonecallcenter.com2118
notifymd.com2022
worldbusinesspromote.com1918
webanditnews.com1918
cloudcops.com1917
canadiantimesjournal.com1818
canadiannewsjournal.com1818
onlign-lab.com1718
itpressreleases.com1618
massachusettsbusinessjournal.com1617
msp-navigator.com1519
senior1care.com1519
newsfromcanada.com1518
todayontheinternet.com1518
accretiveedge.com1517
intone.io1421
agentixlabs.com1419
goodmorninglatinamerica.com1418
cygnostic.io1417
sbookscan.com1323
robuta.com1318
stonetusker.com1317
globalenergytimes.com1218
massachusettshealthcarejournal.com1217
webgrowez.com1217
federalprocessingregistry.co1117
brazilianindustrytoday.com1117
aispytech.com1113
medicalsmartphones.com1022
canadianhealthindustrynews.com1018
brasiliadaily.com1018
canadaeducationnewswire.com1018
loginslink.com1018
bli-inc.com1017
mycarefriends.com919
tricopolisrecords.com918
techworldisrael.com918
latamnewsonline.com918
howtostartyourownhomecareagency.com917
middleeastnewscenter.com818
latinamericannewswire.com818
brazilbreakingnews.com818
jerusalemdailyjournal.com818
healthathome.care817
thongtincongty.work810
entertainmentdispatchbrazil.com718
forrich.net717
falktron.de711
entertainmentwiremassachusetts.com618
chartermenow.com618
mightyskytech.com617
kampinskiandroberts.com517
onthejob.education513
domains.foundation418
futureflights.ai316
spheremarketers.com313
tueariscyber.com312
healthcaretechbytes.com312
saladinolaw.com212
psychologyaisle.app210
texmedhh.com112
answernetworkllc.com00
reyoe.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 onpage.com specifically, ranked by the linker's PageRank. The table shows the top 29; 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)