Slack

slack.com

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https://slack.com

Scanned Apr 15, 2026 · 39.3s

Your website score is

30/100
Critical

Grade

D30

Banner

Yes

Regulatory Compliance

Multi-regulation overview — click any regulation for details

Technical scan only. A passing score does not equal legal compliance. Consult qualified legal counsel for your jurisdiction.

Tag Leak detected 5 user data leaks before consent on slack.com, including Youtube.

Security Headers

3/6 present

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Add a Content-Security-Policy header to prevent XSS and code injection attacks

X-Frame-Options

SAMEORIGIN

X-Content-Type-Options

Set X-Content-Type-Options to 'nosniff' to prevent MIME type sniffing

Referrer-Policy

no-referrer

Permissions-Policy

Add a Permissions-Policy header to restrict browser features like camera, microphone, and geolocation

Google Consent Mode

V2
95/100

Consent Parameters

ParameterDefaultUpdated
Ad Storagedeniedgranted
Ad User Datadeniedgranted
Ad Personalizationdeniedgranted
Analytics Storagedeniedgranted
Functionality Storagedeniedgranted
Personalization Storagedeniedgranted
Security Storagedeniedgranted

Issues (1)

No GTM container detected — consent mode works best with Google Tag Manager

Post-Rejection Audit

Reject Button

Found

Post-Rejection Fires

0 vendors

Consent Mode

Not Detected

GTM Load

Not detected

Consent Mode V2: Not Detected

Google Consent Mode was not detected on this site.

✓ gtag('consent', 'update') call detected on rejection

No tracking vendors detected firing after rejection

Consent Record Audit

Pass

Consent record stored after interaction

GDPR Art. 7(1)

Found: OptanonConsent (OneTrust)

Record contains timestamp

Art. 7(1)

Timestamp field detected

Record contains consent state

Art. 7(1)

Accept/reject state detected

Record contains consent categories

Art. 7(1)

Consent categories (analytics, marketing, etc.) not found in record

Consent withdrawal mechanism accessible

GDPR Art. 7(3)

Cookie settings link / floating button found

Consent record and withdrawal mechanism are both correctly implemented

Tracker categories detected

Advertising3 vendors
Analytics2 vendors
Marketing5 vendors
Security3
Functional3 vendors
Tag Management1 vendor
Critical3
Youtube
Youtube3 findings

VISITOR_INFO1_LIVE, VISITOR_PRIVACY_METADATA, __Secure-ROLLOUT_TOKEN

Youtube
criticalCookieMarketingYoutube

Youtube cookie "VISITOR_INFO1_LIVE" set before consent — Tries to estimate the users' bandwidth on pages with integrated YouTube videos. Also used for marketing

Cookie: VISITOR_INFO1_LIVEDomain: .youtube.comRetention: 179 days
Youtube
criticalCookieMarketingYoutube

Youtube cookie "VISITOR_PRIVACY_METADATA" set before consent — Youtube visitor privacy metadata cookie

Cookie: VISITOR_PRIVACY_METADATADomain: .youtube.comRetention: 180 days
Youtube
criticalCookieMarketingYoutube

Youtube cookie "__Secure-ROLLOUT_TOKEN" set before consent — Registers a unique ID to keep statistics of what videos from YouTube the user has seen.

Cookie: __Secure-ROLLOUT_TOKENDomain: .youtube.comRetention: 180 days
Warnings2
vendor logo
warningNetwork

Unknown third-party request to a.slack-edge.com before consent

Host: a.slack-edge.comFired: 348ms after load
vendor logo
warningNetwork

Unknown third-party request to www.google.com before consent

Host: www.google.comFired: 5252ms after load
Info9
OneTrust
OneTrust2 findings

cdn.cookielaw.org, OptanonConsent

OneTrust
infoNetworkConsent MgmtOneTrust

OneTrust (OneTrust) loaded before consent: OneTrust cookie consent management

Host: cdn.cookielaw.orgFired: 348ms after load
OneTrust
infoCookieConsent MgmtOneTrust

OneTrust cookie "OptanonConsent" set before consent

Cookie: OptanonConsentDomain: .slack.com
OneTrust CMP
infoNetworkConsent MgmtOneTrust CMP

OneTrust CMP (OneTrust) loaded before consent: OneTrust geo-lookup — determines which consent banner to show based on user location

Host: geolocation.onetrust.comFired: 1012ms after load
Google (Cdn)
Google (Cdn)4 findings

www.youtube.com, www.youtube-nocookie.com, fonts.gstatic.com, jnn-pa.googleapis.com

Google (Cdn)
infoNetworkGoogle (Cdn)

Google (cdn) loaded before consent

Host: www.youtube.comFired: 1983ms after load
Google (Cdn)
infoNetworkGoogle (Cdn)

Google (cdn) loaded before consent

Host: www.youtube-nocookie.comFired: 3944ms after load
Google (Cdn)
infoNetworkGoogle (Cdn)

Google (cdn) loaded before consent

Host: fonts.gstatic.comFired: 4278ms after load
Google (Cdn)
infoNetworkGoogle (Cdn)

Google (cdn) loaded before consent

Host: jnn-pa.googleapis.comFired: 5635ms after load
Google
infoCookieFunctionalGoogle

Google cookie "__Secure-YNID" set before consent — It's a YouTube cookie used to enhance user experience by storing video player preferences and aiding in secure log-ins and spam detectio

Cookie: __Secure-YNIDDomain: .youtube.comRetention: 180 days
Youtube
infoCookieFunctionalYoutube

Youtube cookie "YSC" set before consent — Registers a unique ID to keep statistics of what videos from YouTube the user has seen.

Cookie: YSCDomain: .youtube.comRetention: Session
Compliant17
Google Tag Manager
CompliantNetworkTag ManagementGoogle Tag Manager

Google Tag Manager (Google) loaded correctly after consent

ID: GTM-KH2LPKHost: www.googletagmanager.comFired: 3841ms after load
Google Analytics
Google Analytics3 findingsID tracked

region1.analytics.google.com, _ga, _ga_QTJQME5M5D

GA4
CompliantNetworkAnalyticsGA4

GA4 (Google) loaded correctly after consent

ID: G-QTJQME5M5DHost: region1.analytics.google.comFired: 5673ms after load
Google Analytics
CompliantCookieAnalyticsGoogle Analytics

Google Analytics cookie "_ga" set correctly after consent

Cookie: _gaDomain: .slack.com
Google Analytics
CompliantCookieAnalyticsGoogle Analytics

Google Analytics cookie "_ga_QTJQME5M5D" set correctly after consent

Cookie: _ga_QTJQME5M5DDomain: .slack.com
LinkedIn Insight Tag
CompliantNetworkAdvertisingLinkedIn Insight Tag

LinkedIn Insight Tag (LinkedIn) loaded correctly after consent

Host: snap.licdn.comFired: 4861ms after load
Google Ads
Google Ads4 findings

www.google.com, googleads.g.doubleclick.net, _gcl_au, _gcl_ls

Google Ads
CompliantNetworkAdvertisingGoogle Ads

Google Ads (Google) loaded correctly after consent

Host: www.google.comFired: 4861ms after load
Google Ads
CompliantNetworkAdvertisingGoogle Ads

Google Ads (Google) loaded correctly after consent

Host: googleads.g.doubleclick.netFired: 5673ms after load
Google Ads
CompliantCookieAdvertisingGoogle Ads

Google Ads cookie "_gcl_au" set correctly after consent

Cookie: _gcl_auDomain: .slack.com
Google Ads
CompliantStorageAdvertisingGoogle Ads

Google Ads (Google) wrote "_gcl_ls" to localStorage correctly after consent

Key: _gcl_lsType: localStorageFired: 4574ms after load
Reddit Pixel
Reddit Pixel2 findings

alb.reddit.com, _rdt_uuid

Reddit Pixel
CompliantNetworkAdvertisingReddit Pixel

Reddit Pixel (Reddit) loaded correctly after consent

Host: alb.reddit.comFired: 5698ms after load
Reddit Pixel
CompliantCookieAdvertisingReddit Pixel

Reddit Pixel cookie "_rdt_uuid" set correctly after consent

Cookie: _rdt_uuidDomain: .slack.com
LinkedIn
LinkedIn3 findings

bcookie, li_gc, lidc

LinkedIn
CompliantCookieMarketingLinkedIn

LinkedIn cookie "bcookie" set correctly after consent

Cookie: bcookieDomain: .linkedin.comRetention: 1 year
LinkedIn
CompliantCookieFunctionalLinkedIn

LinkedIn cookie "li_gc" set correctly after consent

Cookie: li_gcDomain: .linkedin.comRetention: 2 years
LinkedIn
CompliantCookieMarketingLinkedIn

LinkedIn cookie "lidc" set correctly after consent

Cookie: lidcDomain: .linkedin.comRetention: 1 day
CompliantCookieMarketingPlatform161

Platform161 cookie "tuuid" set correctly after consent

Cookie: tuuidDomain: .company-target.comRetention: 13 months
CompliantCookieMarketingbidswitch.net

bidswitch.net cookie "tuuid_lu" set correctly after consent

Cookie: tuuid_luDomain: .company-target.comRetention: 3 months
DoubleClick/Google Marketing
CompliantCookieMarketingDoubleClick/Google Marketing

DoubleClick/Google Marketing cookie "IDE" set correctly after consent

Cookie: IDEDomain: .doubleclick.netRetention: 2 years

Is this your site?

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Scan slack.com

This audit is based on publicly observable website behavior. To request removal from the index, email support@tagleak.com