ca.slack-edge.com
There's been a glitch… | Slack
Last scanned Jul 23, 2026, 12:53 PM
Overall score
Fair
Summary
This website uses Apache hosted on AWS. SEO is good (75/100) and accessibility is fair (65/100). Security scores good (75/100) and performance fair (60/100). Top issue: Missing meta description.
- United States
- Hosted on AWS
Top issues to fix
10 issues found · 4 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
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.
+4 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
299 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- There's been a glitch… | Slack
- Description
- Canonical
- Language
- en-US
- Charset
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- —
- IP address
- 65.2.117.88
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- slack.com
- Valid from
- Jun 5, 2026
- Valid to
- Sep 3, 2026
- Days until expiry
- 41
- SAN domains
- *.slack.com, slack.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 0
Links
1 internal · 31 external · 9 broken
Images
1 total · 1 missing alt
Scripts / Styles
31 scripts · 9 stylesheets
JS / CSS size
8.2 MB · 3.9 MB
Page size
45.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 15
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
Accessibility issues
- Over half of images are missing alt text
- Missing viewport meta tag
Scan details
- Requested URL
- https://ca.slack-edge.com
- Final URL
- https://slack-infra-latency.slack.com/avatarsource
- HTTP status
- 404
- HTTP version
- HTTP/2
- Response time
- 299 ms
- HTML size
- 45.1 KB
- Redirect chain
- https://ca.slack-edge.com → https://slack-infra-latency.slack.com/avatarsource
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ca.slack-edge.com use?
- ca.slack-edge.com is built with Google Analytics, Apache.
- Is ca.slack-edge.com secure (HTTPS)?
- Yes. ca.slack-edge.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 3, 2026.
- Who hosts ca.slack-edge.com?
- ca.slack-edge.com is hosted on AWS.
- What is ca.slack-edge.com's SEO score?
- ca.slack-edge.com scored 75/100 for SEO in the latest analysis (fair).
- What is ca.slack-edge.com's overall website score?
- ca.slack-edge.com has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card