jccrochester.org
Link authority for jccrochester.org (registrable domain: jccrochester.org) from the Common Crawl web graph: PageRank and harmonic centrality history since 2017, current scores, and the site's top backlink sources.
Web-graph authority (0-100)
Domain scores measure jccrochester.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 jccrochester.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.
Homepage
What jccrochester.org presents on its own homepage: the page title, description, and the social share markup it publishes. Pulled from https://jccrochester.org.
| Title | Louis S. Wolk JCC of Greater Rochester | Jewish Community Center |
|---|---|
| Description | Member Alert: As part of our ongoing efforts to thoroughly clean and improve our facility, locker rooms and spas will have brief closures during the day on Friday, Saturday, and Sunday, July 10-12. Our family locker room… |
| OG Title | Louis S. Wolk JCC of Greater Rochester | Jewish Community Center |
| OG Description | Member Alert: As part of our ongoing efforts to thoroughly clean and improve our facility, locker rooms and spas will have brief closures during the day on Friday, Saturday, and Sunday, July 10-12. Our family locker room… |
| OG Site Name | JCC Rochester |
| Twitter Card | summary_large_image |
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.
| jccrochester | |
| jccrochester |
| Contact pages | https://jccrochester.org/contact/ |
|---|---|
| Emails |
membership@jccrochester.org kzastrow@jccrochester.org |
| Feeds |
https://jccrochester.org/feed/ https://jccrochester.org/comments/feed/ |
Structured data (JSON-LD)
The schema.org markup this homepage publishes: the machine-readable identity search engines and AI systems read. Types found: WebPage, ImageObject, BreadcrumbList, WebSite, Organization, Event.
JSON-LD block (2,384 bytes)
{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/jccrochester.org\/","url":"https:\/\/jccrochester.org\/","name":"Louis S. Wolk JCC of Greater Rochester | Jewish Community Center","isPartOf":{"@id":"https:\/\/jccrochester.org\/#website"},"about":{"@id":"https:\/\/jccrochester.org\/#organization"},"primaryImageOfPage":{"@id":"https:\/\/jccrochester.org\/#primaryimage"},"image":{"@id":"https:\/\/jccrochester.org\/#primaryimage"},"thumbnailUrl":"https:\/\/jccrochester.org\/wp-content\/uploads\/2026\/01\/SisolItemHeader.jpg","datePublished":"2023-09-28T17:36:34+00:00","dateModified":"2026-07-16T15:26:26+00:00","breadcrumb":{"@id":"https:\/\/jccrochester.org\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/jccrochester.org\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jccrochester.org\/#primaryimage","url":"https:\/\/jccrochester.org\/wp-content\/uploads\/2026\/01\/SisolItemHeader.jpg","contentUrl":"https:\/\/jccrochester.org\/wp-content\/uploads\/2026\/01\/SisolItemHeader.jpg","width":560,"height":300},{"@type":"BreadcrumbList","@id":"https:\/\/jccrochester.org\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home"}]},{"@type":"WebSite","@id":"https:\/\/jccrochester.org\/#website","url":"https:\/\/jccrochester.org\/","name":"JCC Rochester","description":"Welcome to the JCC - Louis S. Wolk JCC of Greater Rocheste","publisher":{"@id":"https:\/\/jccrochester.org\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/jccrochester.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/jccrochester.org\/#organization","name":"JCC Rochester","url":"https:\/\/jccrochester.org\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jccrochester.org\/#\/schema\/logo\/image\/","url":"https:\/\/jccrochester.org\/wp-content\/uploads\/2018\/03\/logo-1.png","contentUrl":"https:\/\/jccrochester.org\/wp-content\/uploads\/2018\/03\/logo-1.png","width":100,"height":72,"caption":"JCC Rochester"},"image":{"@id":"https:\/\/jccrochester.org\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/jccrochester"]}]}JSON-LD block (1,684 bytes)
{
"@context": "http://schema.org",
"@type": "Event",
"eventStatus": "https://schema.org/EventScheduled",
"startDate": "2026-07-17T06:00:00-04:00",
"endDate": "2026-07-17T06:30:00-04:00",
"eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
"location":
{
"@type": "Place",
"name": "",
"image": "",
"address": ""
},
"organizer":
{
"@type": "Person",
"name": "",
"url": ""
},
"offers":
{
"url": "https://jccrochester.org/events/leah-michael/",
"price": "0",
"priceCurrency": "USD",
"availability": "https://schema.org/InStock",
"validFrom": "2026-07-17T00:00"
},
"performer": "",
"description": "Start your Shabbat off with music. Lead by Michael Miller and Leah Sherman, Shabbat sing is the best way to start your Friday morning! Open to all!",
"image": "https://jccrochester.org/wp-content/uploads/2024/08/shabbat-sing-e1753474192919.jpg",
"name": "Shabbat Sing with Michael Miller & Leah Sherman",
"url": "https://jccrochester.org/events/leah-michael/"
}
JSON-LD block (1,979 bytes)
{
"@context": "http://schema.org",
"@type": "Event",
"eventStatus": "https://schema.org/EventScheduled",
"startDate": "2026-07-17T06:00:00-04:00",
"endDate": "2026-07-17T08:00:00-04:00",
"eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
"location":
{
"@type": "Place",
"name": "Conference Room 2",
"image": "",
"address": ""
},
"organizer":
{
"@type": "Person",
"name": "",
"url": ""
},
"offers":
{
"url": "https://jccrochester.org/events/art-group/",
"price": "0",
"priceCurrency": "USD",
"availability": "https://schema.org/InStock",
"validFrom": "2026-07-17T00:00"
},
"performer": "",
"description": "Every Friday, 10am – 12pm Location: Conference Room 2 (first room to your right after you go through the lobby doors) Would you like to join a fun and enthusiastic group of artists? We support and encourage each other in a friendly non-judgmental atmosphere. All levels of artists are welcome even if you haven't painted or drawn in years this is a great place to start. So bring your art supplies and get creative! Facilitated by Carol H. Please register >>",
"image": "https://jccrochester.org/wp-content/uploads/2025/12/Art-Group-square-image.png",
"name": "The Art Group",
"url": "https://jccrochester.org/events/art-group/"
}
JSON-LD block (3,129 bytes)
{
"@context": "http://schema.org",
"@type": "Event",
"eventStatus": "https://schema.org/EventScheduled",
"startDate": "2026-07-17T08:00:00-04:00",
"endDate": "2026-07-17T09:30:00-04:00",
"eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
"location":
{
"@type": "Place",
"name": "",
"image": "",
"address": ""
},
"organizer":
{
"@type": "Person",
"name": "",
"url": ""
},
"offers":
{
"url": "https://jccrochester.org/events/jcc-learning-circle-a-cohort-based-program-for-curious-adults-6/",
"price": "0",
"priceCurrency": "USD",
"availability": "https://schema.org/InStock",
"validFrom": "2026-07-17T00:00"
},
"performer": "",
"description": "Are you interested in Jewish learning with like-minded peers? Do you have questions about Judaism and are you eager to learn more in a safe and welcoming environment? Join our second cohort of the JCC?s Learning Circle to learn, ask questions and create community. The JCC's Learning Circle is a cohort-based program that aims to build community among curious adults, who are eager to enhance their Jewish knowledge and are willing to explore some of life's big questions through the lens of Jewish wisdom. This program encourages critical thinking and helps learners apply Jewish teachings to real-life situations. We will once again utilize the IYUN platform and this year focus on the Jewish Calendar. The JCC Learning Circle will meet ten times over the course of 10 months. Each 90-minute session will be facilitated by Rachel Kest, Chief Jewish Life and Engagement Officer and will include eating, learning, socializing and fun. There is no cost for this program. As a cohort-based experience, consistent participation is expected. Please reach out to Rachel Kest at rkest@jccrochester.org for more information. Dates for 2025-2026 All sessions are on Friday afternoon from 12:00 – 1:30 pm • 10/17/25 • 11/21/25 • 12/19/25 • 1/16/26 • 2/20/26 • 3/20/26 • 4/17/26 • 5/15/26 • 6/19/26 • 7/17/26 Curious and want to learn more? Contact Rachel Kest, Senior Director of Jewish Life at rkest@jccrochester.org or at 585-461-2000 ext.1011. Cohort Registration (site.com) ",
"image": "",
"name": "JCC Learning Circle: A Cohort Based Program for Curious Adults",
"url": "https://jccrochester.org/events/jcc-learning-circle-a-cohort-based-program-for-curious-adults-6/"
}
JSON-LD block (1,770 bytes)
{
"@context": "http://schema.org",
"@type": "Event",
"eventStatus": "https://schema.org/EventScheduled",
"startDate": "2026-07-20T05:00:00-04:00",
"endDate": "2026-07-20T07:00:00-04:00",
"eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
"location":
{
"@type": "Place",
"name": "Erdle Lounge",
"image": "",
"address": ""
},
"organizer":
{
"@type": "Person",
"name": "Julie Crawford",
"url": ""
},
"offers":
{
"url": "https://jccrochester.org/events/sunrise-social/",
"price": "0",
"priceCurrency": "USD",
"availability": "https://schema.org/InStock",
"validFrom": "2026-07-20T00:00"
},
"performer": "",
"description": "[previously Coffee + Bagels] Join us for a wonderful opportunity to meet new people in a relaxed atmosphere, and enjoy complimentary coffee, tea, bagels, and more! This is for members 55+ only. Registration is not required for this group.",
"image": "https://jccrochester.org/wp-content/uploads/2024/10/Lifespan-Logo-Square.jpg",
"name": "Sunrise Social",
"url": "https://jccrochester.org/events/sunrise-social/"
}
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 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 jccrochester.org and domain-level for jccrochester.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.
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 jccrochester.org (including its subdomains), ranked by the linker's PageRank. The table shows the top 96; the download carries the full stored list (up to 10,000 linkers) as JSON. Click a linker for its own site profile.
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 jccrochester.org specifically, ranked by the linker's PageRank. The table shows the top 85; the download carries the full stored list (up to 10,000 linkers) as JSON. Click a linker for its own site profile.