Ads, Trackers, Security & UX Review
6 public pages rendered. The score, signal cards, and evidence tables below show what appeared in the browser sample.
Status
Scan completed
Host
classlink.com
Confidence
72/100
Observed safety score
Signal mix
Weak2
Ad domains
35
Tracker domains
72/100
Confidence
classlink.com
Education and student tools
CLOUDFLARESPECTRUM - Cloudflare London, LLC, US
198.202.211.1; AS209242
Enabled
Google Trust Services
885
35 third-party domains observed
Four quick signals first. Evidence stays grouped by risk area.
Tracking signals
Ad pressure
Baseline checks
Low friction
Meaning
The rendered scan observed 35 tracker-domain matches, led by use.typekit.net (232), fonts.gstatic.com (231), cdn.prod.website-files.com (180) and 32 more, and up to 19 cookies across the sampled public pages.
Evidence
Meaning
The rendered scan observed 2 ad-domain matches across 6 sampled public pages, led by googleads.g.doubleclick.net (2), static.doubleclick.net (1).
Evidence
Meaning
Security posture is based on observed TLS, response headers, mixed-content behavior, and usable external-check output.
Evidence
Meaning
The rendered public-page sample loaded with HTTP 200 and 11070 visible text characters.
Evidence
Key signals first, with important limits kept close so the report stays useful without overstating certainty.
Captured evidence
Pages sampled
Rendered browser pass
Requests
35 third-party - 2 ad - 35 tracker
Cookies
13 third-party
Security posture
HSTS yes - CSP yes - X-Frame yes
Request volume
885 vs 628 median
Evidence
Third-party domain count matched the same-cluster m...
Evidence
Tracker-domain count matched the same-cluster media...
Scan boundary
School context
Policy, consent, paid features
Ad context
Location, consent, A/B tests
External checks
Safe Browsing
Google Transparency Report Safe Browsing status returned no threat matches for 1 URL
HTTP Observatory
MDN HTTP Observatory returned grade B with score 70 and 3 failed checks
Observed domains are grouped by company or tool, purpose, request volume, and the sampled pages where they appeared.
22
Entities
Companies or tools grouped from observed domains.
6
Categories
Most active: Tracking and measurement.
864
Requests
Classified ad or tracker requests in the sample.
6/6
Pages seen
Sampled pages with at least one classified signal.
Tracking and measurement
17 entities / 28 domains
Session replay
1 entity / 4 domains
Analytics
1 entity / 1 domain
Consent management
1 entity / 1 domain
Tag management
1 entity / 1 domain
Advertising
1 entity / 2 domains
Tracking and measurement
285
requests
6/6
pages
Adobe
Tracking and measurement
236
requests
4/6
pages
Website Files
Tracking and measurement
180
requests
4/6
pages
Weglot
Tracking and measurement
32
requests
4/6
pages
Microsoft
Session replay
25
requests
4/6
pages
Jsdelivr
Tracking and measurement
20
requests
4/6
pages
Raw domains and request paths classified as ad-network matches in rendered samples.
2
domains
3
classified requests
1
pages with matches
googleads.g.doubleclick.net
Matched known ad-network patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: xhr.
Seen in sample
Request types
Matched hosts
Domain matched known ad-network patterns.
static.doubleclick.net
Matched known ad-network patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: script.
Seen in sample
Request types
Matched hosts
Domain matched known ad-network patterns.
Raw domains and request paths classified as tracker matches in rendered samples.
35
domains
861
classified requests
6
pages with matches
use.typekit.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script, font. Classified owner: Adobe. Tracker owner: Adobe.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Adobe.
fonts.gstatic.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 6 rendered pages. Request types: font.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
cdn.prod.website-files.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: stylesheet, script, image, font, xhr.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
gstatic.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 5 rendered pages. Request types: script, stylesheet, image, other, fetch.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
cdn.weglot.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script, fetch, stylesheet, image.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
cdn.jsdelivr.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
recaptcha.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: script, document, xhr, image.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
dka575ofm4ao0.cloudfront.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: script, stylesheet, image, font. Classified owner: Amazon.com. Tracker owner: Amazon.com.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Amazon.com.
youtube.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: script, document, stylesheet, image, xhr.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
l.clarity.ms
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: xhr.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
c.clarity.ms
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: image.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
fonts.googleapis.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 5 rendered pages. Request types: stylesheet.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
ajax.googleapis.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 5 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
google.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
accounts.finsweet.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: fetch.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
api.consentpro.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
c.bing.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: image.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
cdn.jetboost.io
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
challenges.cloudflare.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 2 rendered pages. Request types: script. Classified owner: Cloudflare. Tracker owner: Cloudflare.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Cloudflare.
clarity.ms
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
d3e54v103j8qbb.cloudfront.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script. Classified owner: Amazon.com. Tracker owner: Amazon.com.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Amazon.com.
google-analytics.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: fetch.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
googletagmanager.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
p.typekit.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: image. Classified owner: Adobe. Tracker owner: Adobe.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Adobe.
sc.lfeeder.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
scripts.clarity.ms
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
tr.lfeeder.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 4 rendered pages. Request types: image.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
ds-cdn.prod-east.frontend.public.atl-paas.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: font, stylesheet. Classified owner: Atlassian. Tracker owner: Atlassian.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Atlassian.
googleads.g.doubleclick.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: xhr.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
cdn.embedly.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: document. Classified owner: Embed.ly. Tracker owner: Embed.ly.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Embed.ly.
cdnjs.cloudflare.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: script. Classified owner: Cloudflare. Tracker owner: Cloudflare.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker data for Cloudflare.
i.ytimg.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: image.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
jnn-pa.googleapis.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: xhr.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
static.doubleclick.net
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: script.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
yt3.ggpht.com
Matched DuckDuckGo Tracker Radar tracker patterns during the rendered public-page sample. Observed on 1 rendered page. Request types: image.
Seen in sample
Request types
Context
Matched hosts
Domain matched DuckDuckGo Tracker Radar tracker patterns.
These options are category-relevant comparison leads for ClassLink. Each card separates why it is comparable and when it fits.
Gimkit
gimkit.com
Why compare it
Gimkit is in the education and student tools category and has rendered scan evidence, making it useful for comparing ads, trackers, cookies, and security posture.
Best fit
Use it as a comparison point when you want another option with lower observed risk in the same evidence categories.
Scan-backed comparison
Blooket
blooket.com
Why compare it
Blooket is in the education and student tools category and has rendered scan evidence, making it useful for comparing ads, trackers, cookies, and security posture.
Best fit
Use it as a comparison point when you want another option with lower observed risk in the same evidence categories.
Scan-backed comparison
Zearn
zearn.org
Why compare it
Zearn is in the education and student tools category and has rendered scan evidence, making it useful for comparing ads, trackers, cookies, and security posture.
Best fit
Use it as a comparison point when you want another option with higher observed risk in the same evidence categories.
Scan-backed comparison
Kiddle
kiddle.co
Why compare it
Kiddle is in the education and student tools category and has rendered scan evidence, making it useful for comparing ads, trackers, cookies, and security posture.
Best fit
Use it as a comparison point when you want another option with higher observed risk in the same evidence categories.
Scan-backed comparison
Latest scan of ClassLink across 6 public pages captured 885 browser requests, 35 third-party domains, 2 ad-domain matches, 35 tracker-domain matches, and 19 cookies (13 third-party). Core header checks were present. External checks: Safe Browsing clear; HTTP Observatory flagged. This is not a guarantee of safety; it is a time-bound public-page evidence report.
Key observations from the rendered sample: 885 browser requests, 35 third-party domains, 2 ad-domain matches, 35 tracker-domain matches, and 13 third-party cookies. Core header checks were present.
The rendered public-page scan found 2 ad-domain matches and 35 tracker-domain matches across 6 sampled pages. The most active matches were use.typekit.net (232), fonts.gstatic.com (231), cdn.prod.website-files.com (180) and 32 more.
Use the public-page privacy and security signals here, then compare student-data terms, SSO settings, roster access, retention policy, parent consent, and district controls.
We tested classlink.com because it is the website address selected for this report.
Compare the same evidence categories: rendered requests, ad-domain matches, tracker-domain matches, cookies, security headers, external checks, and whether each alternative fits the same user task.
No. Blockify can reduce ads, trackers, and pop-ups in the browser, but no scan can guarantee every page, account flow, future visit, or personalized state is safe.
