chem17.com
化工仪器网-专业科学仪器-分析检测仪器及实验室仪器设备服务平台
Last scanned Aug 2, 2026, 5:00 AM · 5 views
Overall score
Fair
Summary
化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优�… This website uses jQuery. SEO is fair (50/100) and accessibility is good (85/100). Security scores good (75/100) and performance fair (60/100). Top issue: Title longer than 60 characters.
化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优质供应商、仪器供求商机等市场行情信息，获取更多仪器相关信息就访问化工仪器网。
Top issues to fix
14 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+8 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
3.63 s
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
-6 overall since Jul 26, 2026
- Overall
- 66
- SEO
- 50
- Security
- 75
- Performance
- 60
- Accessibility
- 85
Organization
Company details published in this site's own structured data.
化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优质供应商、仪器供求商机等市场行情信息，获取更多仪器相关信息就访问化工仪器网。
Meta tags
- Title
- 化工仪器网-专业科学仪器-分析检测仪器及实验室仪器设备服务平台
- Description
- 化工仪器网是专业的仪器设备行业B2B门户网站，为用户提供分析仪器、实验室仪器设备、环境监测仪器等仪器相关产品，并实时更新仪器展会、仪器新闻会议、仪器优质供应商、仪器供求商机等市场行情信息，获取更多仪器相关信息就访问化工仪器网。
- Canonical
- Language
- zh
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Asseco Data Systems S.A.
- Subject
- *.chem17.com
- Valid from
- Jan 30, 2026
- Valid to
- Mar 1, 2027
- Days until expiry
- 210
- SAN domains
- *.chem17.com, chem17.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 0
Links
2529 internal · 69 external · 20 broken
Images
416 total · 3 missing alt
Scripts / Styles
28 scripts · 5 stylesheets
JS / CSS size
2.9 KB · 1.7 KB
Page size
468 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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 issues
- No H1 heading found
- Missing viewport meta tag
Scan details
- Requested URL
- https://chem17.com
- Final URL
- https://www.chem17.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 3.62 s
- HTML size
- 468 KB
- Redirect chain
- https://chem17.com → http://www.chem17.com/ → https://www.chem17.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does chem17.com use?
- chem17.com is built with jQuery.
- Is chem17.com secure (HTTPS)?
- Yes. chem17.com uses TLS 1.3 with a certificate issued by Asseco Data Systems S.A., valid until Mar 1, 2027.
- Who hosts chem17.com?
- Hosting provider information for chem17.com is not available yet.
- What is chem17.com's SEO score?
- chem17.com scored 50/100 for SEO in the latest analysis (fair).
- What is chem17.com's overall website score?
- chem17.com has an overall SiteGraph score of 66/100, combining SEO, performance, security, and accessibility.
- Has chem17.com's score changed over time?
- chem17.com's overall score has declined by 6 points (from 72 to 66) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card