chemicalbook.com
ChemicalBook
Last scanned Jul 26, 2026, 5:17 AM · 2 views
Overall score
Great
Summary
Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. This website uses Nginx hosted on BSL-AS-AP - Beyotta Services LLP, SG. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc.)by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure.
- Hong Kong
- Hosted on BSL-AS-AP - Beyotta Services LLP, SG
Top issues to fix
8 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.
3 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
304 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc.)by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- ChemicalBook
- Description
- Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc.)by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure.
- Canonical
- https://www.chemicalbook.com/
- Language
- zh-EN
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- BSL-AS-AP - Beyotta Services LLP, SG
- CDN provider
- —
- IP address
- 103.213.246.99
- ASN
- AS997 (BSL-AS-AP - Beyotta Services LLP, SG)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- GlobalSign nv-sa
- Subject
- *.chemicalbook.com
- Valid from
- Jul 28, 2025
- Valid to
- Aug 29, 2026
- Days until expiry
- 33
- SAN domains
- *.chemicalbook.com, chemicalbook.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 5 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 2
Links
266 internal · 40 external · 3 broken
Images
26 total · 1 missing alt
Scripts / Styles
19 scripts · 5 stylesheets
JS / CSS size
503 KB · 67.0 KB
Page size
71.2 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 135
- sitemap.xml
- Found
- URLs in sitemap
- 1499
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- No structured data (JSON-LD) found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://chemicalbook.com
- Final URL
- https://www.chemicalbook.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 303 ms
- HTML size
- 71.2 KB
- Redirect chain
- https://chemicalbook.com → https://www.chemicalbook.com/
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Frequently asked questions
- What technology does chemicalbook.com use?
- chemicalbook.com is built with jQuery, Google Analytics, Google Ads, Nginx.
- Is chemicalbook.com secure (HTTPS)?
- Yes. chemicalbook.com uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Aug 29, 2026.
- Who hosts chemicalbook.com?
- chemicalbook.com is hosted on BSL-AS-AP - Beyotta Services LLP, SG.
- What is chemicalbook.com's SEO score?
- chemicalbook.com scored 75/100 for SEO in the latest analysis (fair).
- What is chemicalbook.com's overall website score?
- chemicalbook.com has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card