emsl.com
EMSL | Home Page
Last scanned Jul 30, 2026, 5:00 AM · 8 views
Overall score
Fair
Summary
EMSL Analytical, Inc. This website uses jQuery. SEO is fair (70/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.
EMSL Analytical, Inc. - Laboratory Testing & Air Sampling Supplies
Top issues to fix
15 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.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
TLS certificate expires in 23 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
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.
+9 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
602 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Score history
-2 overall since Jul 22, 2026
- Overall
- 76
- SEO
- 70
- Security
- 65
- Performance
- 100
- Accessibility
- 70
Organization
Company details published in this site's own structured data.
EMSL Analytical, Inc. - Laboratory Testing & Air Sampling Supplies
Contact
Email, phone, and address published on this site's own pages.
- Info@EMSL.com
Meta tags
- Title
- EMSL | Home Page
- Description
- EMSL Analytical, Inc. - Laboratory Testing & Air Sampling Supplies
- Canonical
- Language
- 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 1.2
- Issuer
- Sectigo Limited
- Subject
- *.emsl.com
- Valid from
- Jul 22, 2025
- Valid to
- Aug 22, 2026
- Days until expiry
- 23
- SAN domains
- *.emsl.com, emsl.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 0
Links
401 internal · 16 external · 20 broken
Images
66 total · 22 missing alt
Scripts / Styles
23 scripts · 4 stylesheets
JS / CSS size
7.6 KB · 841 B
Page size
116 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://emsl.com
- Final URL
- https://emsl.com
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 600 ms
- HTML size
- 116 KB
- Redirect chain
- https://emsl.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does emsl.com use?
- emsl.com is built with jQuery.
- Is emsl.com secure (HTTPS)?
- Yes. emsl.com uses TLS 1.2 with a certificate issued by Sectigo Limited, valid until Aug 22, 2026.
- Who hosts emsl.com?
- Hosting provider information for emsl.com is not available yet.
- What is emsl.com's SEO score?
- emsl.com scored 70/100 for SEO in the latest analysis (fair).
- What is emsl.com's overall website score?
- emsl.com has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
- Has emsl.com's score changed over time?
- emsl.com's overall score has declined by 2 points (from 78 to 76) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card