jc35.com website report
机床网-数控机床网-机床商务网-机床行业门户网站
Last scanned
Overall score
Fair
About jc35.com
jc35.com is a website. It describes itself as “机床商务网(jc35.com)是专业的机床行业门户网站，为用户提供数控机床、数控车床、车铣复合、加工中心、磨床等机床相关产品，实时更新机床新闻、机床展会、机床视频、机床商机等信息。买机床，就上机床商务网！”.
Score profile
Top issues to fix
14 issues found · 3 high priority
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 viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
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.
+8 more issues — details in the sections below.
How it compares
jc35.com scores higher overall than 14% of the 163,243 sites we have scanned.
vs. All scanned sites
163,243 sitesThe dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.
Technology stack
jc35.com is built with jQuery.
Libraries (1)
Hosting & DNS
- IP address
- —
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/2
Show DNS record values
TXT record contents are not republished; only their count is shown.
Security
jc35.com uses TLS 1.3 with a certificate valid for 166 more days and sets 1 of 6 recommended security headers.
Security headers1 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 2
- Cookies set
- 2
Email security
jc35.com scores F for email security, with no SPF record and no DMARC policy.
- SPFNot set
No SPF record: anyone can claim to send mail from this domain.
- DMARCNot set
No DMARC policy: forged mail is not told to be rejected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
jc35.com scores 80/100 for performance, with an estimated load time of 0.6 s. A visit emits an estimated 0.14 g of CO2 (grade A).
Page weight
- HTML 367 KB
- JavaScript 11.6 KB
- Est. load
- 592 ms
- Response
- 585 ms
- Scripts / CSS
- 73 / 6
Carbon per visitA
0.14 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
jc35.com scores 50/100 for SEO and 85/100 for accessibility, with 8 SEO issues to fix.
Heading structure
No H1 found.
Image alt text
374 images · 10 without alt text · 0 lazy-loaded
Links
- Internal 813
- External 43
- Broken 20
SEO issues8
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues2
- No H1 heading found
- Missing viewport meta tag
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- 机床网-数控机床网-机床商务网-机床行业门户网站
- Description
- 机床商务网(jc35.com)是专业的机床行业门户网站，为用户提供数控机床、数控车床、车铣复合、加工中心、磨床等机床相关产品，实时更新机床新闻、机床展会、机床视频、机床商机等信息。买机床，就上机床商务网！
- Canonical
- Language
- zh
- Robots meta
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
No JSON-LD types declared.
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://www.jc35.com/
- HTTP status
- 200
- Redirects
- https://jc35.com → http://www.jc35.com/ → https://www.jc35.com/
- Scanned
- Aug 24, 2026, 1:21 PM
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Frequently asked questions about jc35.com
- What is jc35.com?
- jc35.com is a website. It describes itself as “机床商务网(jc35.com)是专业的机床行业门户网站，为用户提供数控机床、数控车床、车铣复合、加工中心、磨床等机床相关产品，实时更新机床新闻、机床展会、机床视频、机床商机等信息。买机床，就上机床商务网！”.
- What technology does jc35.com use?
- jc35.com is built with jQuery.
- Is jc35.com secure?
- jc35.com uses TLS 1.3 with a certificate valid for 166 more days and sets 1 of 6 recommended security headers.
- Is jc35.com protected against email spoofing?
- jc35.com scores F for email security, with no SPF record and no DMARC policy.
- How does jc35.com compare with similar sites?
- jc35.com scores higher overall than 14% of the 163,243 sites we have scanned.
- What is jc35.com's overall score?
- jc35.com has an overall SiteGraph score of 71/100, combining SEO (50), performance (80), security (75) and accessibility (85).
Open Graph & Twitter