bostoncenterless.com
Link authority for bostoncenterless.com (registrable domain: bostoncenterless.com) 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 bostoncenterless.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 bostoncenterless.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.
Homepage
What bostoncenterless.com presents on its own homepage: the page title, description, and the social share markup it publishes. Pulled from https://bostoncenterless.com.
| Title | Precision Bar Materials Manufacturer | Centerless Grinding |
|---|---|
| Description | Boston Centerless is the nation's top manufacturer and distributor of precision bar materials, and a global leader in centerless grinding with precision tolerances. |
| OG Title | Precision Bar Materials Manufacturer | Centerless Grinding |
| OG Description | Boston Centerless is the nation's top manufacturer and distributor of precision bar materials, and a global leader in centerless grinding with precision tolerances. |
| OG Site Name | Precision Bar Materials Manufacturer | Centerless Grinding |
| 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.
| boston-centerless (business) | |
| Youtube | UCE8Hl4MwpjOfWkupBGuvuqg (channel) |
| X | bostonctrless |
| bostonctrless | |
| bostoncenterless |
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, FAQPage.
JSON-LD block (3,040 bytes)
{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.bostoncenterless.com\/","url":"https:\/\/www.bostoncenterless.com\/","name":"Precision Bar Materials Manufacturer | Centerless Grinding","isPartOf":{"@id":"https:\/\/www.bostoncenterless.com\/#website"},"about":{"@id":"https:\/\/www.bostoncenterless.com\/#organization"},"primaryImageOfPage":{"@id":"https:\/\/www.bostoncenterless.com\/#primaryimage"},"image":{"@id":"https:\/\/www.bostoncenterless.com\/#primaryimage"},"thumbnailUrl":"https:\/\/www.bostoncenterless.com\/wp-content\/uploads\/2026\/04\/banner-bg-1024x392.jpg","datePublished":"2025-05-19T21:32:11+00:00","dateModified":"2026-04-22T17:00:35+00:00","description":"Boston Centerless is the nation's top manufacturer and distributor of precision bar materials, and a global leader in centerless grinding with precision tolerances.","breadcrumb":{"@id":"https:\/\/www.bostoncenterless.com\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.bostoncenterless.com\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.bostoncenterless.com\/#primaryimage","url":"https:\/\/www.bostoncenterless.com\/wp-content\/uploads\/2026\/04\/banner-bg.jpg","contentUrl":"https:\/\/www.bostoncenterless.com\/wp-content\/uploads\/2026\/04\/banner-bg.jpg","width":1600,"height":613},{"@type":"BreadcrumbList","@id":"https:\/\/www.bostoncenterless.com\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home"}]},{"@type":"WebSite","@id":"https:\/\/www.bostoncenterless.com\/#website","url":"https:\/\/www.bostoncenterless.com\/","name":"Boston Centerless","description":"","publisher":{"@id":"https:\/\/www.bostoncenterless.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.bostoncenterless.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.bostoncenterless.com\/#organization","name":"Precision Bar Materials Manufacturer | Centerless Grinding","url":"https:\/\/www.bostoncenterless.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.bostoncenterless.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.bostoncenterless.com\/wp-content\/uploads\/2025\/07\/BC-Logo-promo-items-tagline.svg","contentUrl":"https:\/\/www.bostoncenterless.com\/wp-content\/uploads\/2025\/07\/BC-Logo-promo-items-tagline.svg","width":576,"height":288,"caption":"Precision Bar Materials Manufacturer | Centerless Grinding"},"image":{"@id":"https:\/\/www.bostoncenterless.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Boston-Centerless-141378772564484\/","https:\/\/x.com\/bostonctrless","https:\/\/www.linkedin.com\/company\/boston-centerless","https:\/\/www.youtube.com\/channel\/UCE8Hl4MwpjOfWkupBGuvuqg","https:\/\/www.instagram.com\/bostoncenterless\/"]}]}JSON-LD block (1,834 bytes)
{
"@context": "https://schema.org",
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "What is centerless grinding and why does it matter?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Centerless grinding is a precision machining process that removes material from a bar without requiring a central spindle or fixture. It allows for extremely tight tolerances, improved roundness, and consistent surface finishes — critical for industries like medical, aerospace, and automotive manufacturing."
}
},
{
"@type": "Question",
"name": "What makes Boston Centerless different from other material suppliers?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Unlike traditional suppliers, we provide integrated services under one roof — including precision grinding, straightening, supply chain management, and material testing. Our customers place one purchase order and receive ready-to-use materials that meet exact specifications."
}
},
{
"@type": "Question",
"name": "Do you offer in-house material testing and validation?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Yes. Our on-site nondestructive material testing laboratory ensures the integrity and compliance of your materials before they reach your production floor — reducing risk and eliminating the need for third-party inspection."
}
},
{
"@type": "Question",
"name": "What industries do you serve?",
"acceptedAnswer": {
"@type": "Answer",
"text": "We serve highly regulated and precision-driven industries including medical, dental, aerospace, automotive, defense, and contract manufacturing."
}
}
]
}
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 bostoncenterless.com and domain-level for bostoncenterless.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.
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 bostoncenterless.com (including its subdomains), ranked by the linker's PageRank. The table shows the top 30; the download carries the full stored list (up to 10,000 linkers) as JSON. Click a linker for its own site profile.
| Linking Site | Linker PageRank | Linker Harmonic Centrality |
|---|---|---|
| blogspot.com | 86 | 48 |
| alibaba.com | 75 | 39 |
| accio.com | 64 | 35 |
| dandb.com | 54 | 24 |
| masstech.org | 53 | 25 |
| mfgday.com | 53 | 23 |
| ntma.org | 48 | 22 |
| americanmachinist.com | 46 | 24 |
| pmpa.org | 42 | 23 |
| tciprecision.com | 39 | 19 |
| paperlessparts.com | 38 | 21 |
| greaterfortwayneinc.com | 37 | 23 |
| todaysmachiningworld.com | 35 | 24 |
| milanmedia.com | 33 | 20 |
| equitysofttechnologies.com | 32 | 23 |
| medicaltechnologygermany.com | 29 | 14 |
| afiparts.com | 23 | 19 |
| grantcom.us | 23 | 17 |
| reataeng.com | 19 | 19 |
| nativityboston.org | 18 | 18 |
| mer-europe.com | 16 | 11 |
| bigelowllc.com | 15 | 18 |
| impactirl.ie | 15 | 17 |
| hy-proto.com | 13 | 19 |
| impactengineeringplastics.co.uk | 11 | 20 |
| impactcentrelessgrinding.com | 11 | 12 |
| impactirl.co.uk | 11 | 12 |
| cheapestwebdesign.com | 8 | 10 |
| impactaluminium.ie | 5 | 10 |
| alloyxpert.com | 1 | 11 |