chicagomanualofstyle.org
The Chicago Manual of Style
Last scanned Jul 26, 2026, 5:18 AM · 1 view
Overall score
Great
Summary
Homepage to The Chicago Manual of Style Online. This website uses Apache hosted on U-CHICAGO-AS - The University of Chicago, US. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Homepage to The Chicago Manual of Style Online. University of Chicago Find it. Write it. Cite it. The Chicago Manual of Style Online is the venerable, time-tested guide to style, usage, and grammar in an accessible online format. ¶ It is the indispensable reference for writers, editors, proofreaders, indexers, copywriters, designers, and publishers, informing the editorial canon with sound, definitive advice. ¶ Over 1.75 million copies sold!
- United States
- Hosted on U-CHICAGO-AS - The University of Chicago, US
Products & pricing
Product and pricing information published in this site's own structured data.
Subscription Options
$48 USD
Top issues to fix
10 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
+4 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
919 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Homepage to The Chicago Manual of Style Online. University of Chicago Find it. Write it. Cite it. The Chicago Manual of Style Online is the venerable, time-tested guide to style, usage, and grammar in an accessible online format. ¶ It is the indispensable reference for writers, editors, proofreaders, indexers, copywriters, designers, and publishers, informing the editorial canon with sound, definitive advice. ¶ Over 1.75 million copies sold!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- The Chicago Manual of Style
- Description
- Homepage to The Chicago Manual of Style Online. University of Chicago Find it. Write it. Cite it. The Chicago Manual of Style Online is the venerable, time-tested guide to style, usage, and grammar in an accessible online format. ¶ It is the indispensable reference for writers, editors, proofreaders, indexers, copywriters, designers, and publishers, informing the editorial canon with sound, definitive advice. ¶ Over 1.75 million copies sold!
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- U-CHICAGO-AS - The University of Chicago, US
- CDN provider
- —
- IP address
- 205.208.4.177
- ASN
- AS160 (U-CHICAGO-AS - The University of Chicago, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Internet2
- Subject
- ucp-press-web10.uchicago.edu
- Valid from
- Dec 4, 2025
- Valid to
- Dec 4, 2026
- Days until expiry
- 129
- SAN domains
- ucp-press-web10.uchicago.edu, amnat.org, buildingtheamericanrepublic.org, chicagodistributioncenter.com, chicagodistributioncenter.org, chicagodistributionservices.com, chicagodistributionservices.org, chicagomanual.com, chicagomanual.org, chicagomanualofstyle.com, chicagomanualofstyle.org, chicagoreference.com, csemanual.com, csemanual.org, manualofstyle.org, normanmaclean.com, phoenixpoets.org, press.uchicago.edu, scientificstyle.org, scientificstyleandformat.com, scientificstyleandformat.org, turabian.com, turabian.org, verdiedition.com, verdiedition.org, www.amnat.org, www.buildingtheamericanrepublic.org, www.chicagodistributioncenter.com, www.chicagodistributioncenter.org, www.chicagodistributionservices.com, www.chicagodistributionservices.org, www.chicagomanualofstyle.com, www.chicagomanualofstyle.org, www.chicagoreference.com, www.csemanual.com, www.csemanual.org, www.normanmaclean.com, www.phoenixpoets.org, www.press.uchicago.edu, www.scientificstyle.org, www.scientificstyleandformat.com, www.scientificstyleandformat.org, www.turabian.com, www.turabian.org, www.verdiedition.com, www.verdiedition.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
20 internal · 9 external · 16 broken
Images
7 total · 0 missing alt
Scripts / Styles
35 scripts · 8 stylesheets
JS / CSS size
433 B · 11.9 KB
Page size
15.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 2692
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://chicagomanualofstyle.org
- Final URL
- https://www.chicagomanualofstyle.org/home.html
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 919 ms
- HTML size
- 15.9 KB
- Redirect chain
- https://chicagomanualofstyle.org → https://www.chicagomanualofstyle.org/ → https://www.chicagomanualofstyle.org/home.html
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Frequently asked questions
- What technology does chicagomanualofstyle.org use?
- chicagomanualofstyle.org is built with jQuery, Google Analytics, Apache.
- Is chicagomanualofstyle.org secure (HTTPS)?
- Yes. chicagomanualofstyle.org uses TLS 1.3 with a certificate issued by Internet2, valid until Dec 4, 2026.
- Who hosts chicagomanualofstyle.org?
- chicagomanualofstyle.org is hosted on U-CHICAGO-AS - The University of Chicago, US.
- What is chicagomanualofstyle.org's SEO score?
- chicagomanualofstyle.org scored 70/100 for SEO in the latest analysis (fair).
- What is chicagomanualofstyle.org's overall website score?
- chicagomanualofstyle.org has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
- What products does chicagomanualofstyle.org offer?
- chicagomanualofstyle.org offers Subscription Options.
OpenGraph & Twitter Card
OpenGraph
Twitter Card