Security Analysis Results

engr101staff.github.io

Comprehensive domain security and infrastructure analysis

Live Website Preview

website screenshot of https://engr101staff.github.io/engr101.org/archive/w25_site.html

No Security Risks Detected

This domain appears to be safe and secure

100%
Score

Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.

Scan Information

Last checked:August 8, 2025 17:10:00
Scan Complete

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Page Information

Target URL
https://engr101staff.github.io/engr101.org/archive/w25_site.html
Page Title
ENGR 101 | University of Michigan
engr101staff.github.io faviconSite Favicon
Status
Active

Host Information

Domain
engr101staff.github.io
Server
GitHub.com
Country
United States
IP Address
185.199.111.153
ASN Information
54113
FASTLY

Technologies

Varnish logo
Varnish
Caching
Semantic UI logo
Semantic UI
UI frameworks
GitHub Pages logo
GitHub Pages
PaaS
Moment.js logo
Moment.js
JavaScript libraries
HSTS logo
HSTS
Security
Fastly logo
Fastly
CDN

SSL Certificate

HTTPS Enabled
Secure
Certificate Issuer
49m292 Gateway Proxy BISO MITM CA
Valid From
2025-08-04 04:25:18
Valid Until
2025-09-03 04:25:48
Subject Name
engr101staff.github.io

Performance Statistics

17
Total Requests
5
Domains
5
IP Addresses
375.57 KB
Transfer Size
Content Size1.51 MB

HTTP Headers

accept-ranges
bytes
access-control-allow-origin
*
age
0
cache-control
max-age=600
cf-team
292c42677e000070e61414a400000001
content-encoding
gzip
content-length
27875
content-type
text/html; charset=utf-8
date
Fri, 08 Aug 2025 17:10:09 GMT
etag
W/"689368c2-398d5"
expires
Fri, 08 Aug 2025 17:20:09 GMT
last-modified
Wed, 06 Aug 2025 14:37:54 GMT
server
GitHub.com
server-timing
cfReqDur;dur=932.419
strict-transport-security
max-age=31556952
vary
Accept-Encoding
via
1.1 varnish
x-cache
MISS
x-cache-hits
0
x-fastly-request-id
60e5f6633402537a7e459114db080b03232a6a57
x-github-request-id
15AF:2BECAD:24D6C10:25168CD:68962F71
x-proxy-cache
MISS
x-served-by
cache-mrs1050109-MRS
x-timer
S1754673009.163866,VS0,VE123
24 headers detected

Technology Stack Analysis

Varnish

Varnish

Caching

Varnish is a reverse caching proxy.

Semantic UI

Semantic UI

UI frameworks

Semantic UI is a front-end development framework, powered by LESS and jQuery.

GitHub Pages

GitHub Pages

PaaS

GitHub Pages is a static site hosting service.

Moment.js

Moment.js

JavaScript libraries

Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.

HSTS

HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Fastly

Fastly

CDN

Fastly is a cloud computing services provider. Fastly's cloud platform provides a content delivery network, Internet security services, load balancing, and video & streaming services.

External Links 115

Canvas

umich.instructure.com

Analyze
Target URL
https://umich.instructure.com/courses/731076

Google Drive

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1IqychLaV-EjjfMZYYrIBze7PNhcz-BVP?usp=sharing

Piazza

piazza.com

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Target URL
https://piazza.com/class/m4bnvxk1y0a3tn

Office Hours

eecsoh.eecs.umich.edu

Analyze
Target URL
https://eecsoh.eecs.umich.edu/queues/1xHcWfn2KW5HHly5Y3rLA2g5kW2

Autograder

autograder.io

Analyze
Target URL
https://autograder.io/web/course/298

PrairieLearn

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550

ECoach

ecoach.ai.umich.edu

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Target URL
https://ecoach.ai.umich.edu/

Lobster

lobster.eecs.umich.edu

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Target URL
https://lobster.eecs.umich.edu

MatCrab

lobster.eecs.umich.edu

Analyze
Target URL
https://lobster.eecs.umich.edu/matcrab

People

docs.google.com

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Target URL
https://docs.google.com/presentation/d/1vFE69-BU4a4fFss8w8p_v2pdcmmYYRaS1Us-12v2r_g/edit?usp=sharing

direct sign-up link

piazza.com

Analyze
Target URL
https://piazza.com/umich/winter2025/engr101wn2025

video

youtu.be

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Target URL
https://youtu.be/sZDlT297jyw

Complete the survey

ecoach.ai.umich.edu

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Target URL
https://ecoach.ai.umich.edu

CAEN Help Desk

caen.engin.umich.edu

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Target URL
https://caen.engin.umich.edu/contact/

HW1: Intro to MATLAB

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483609

HW2: Vectors and Matrices

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483610

HW3: Functions and Data

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483611

Slides / Files

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1L84yKQfG2aXwjxZJRLScrKjbHgQs2-br?usp=drive_link

Recordings

leccap.engin.umich.edu

Analyze
Target URL
https://leccap.engin.umich.edu/leccap/site/gzx076zcx3nv5ex7j0a

Reflection Form

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483650

Lab Welcome Slides

docs.google.com

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Target URL
https://docs.google.com/presentation/d/1CoVyndRnkU5VTTm5c9EZYg4vnH02cnyFeGMM9J74DD8/edit?usp=drive_link

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483629

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/9

Slides / Files

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1gBpUSAJ_bx62_4UH5oYlB4BusuizObYT?usp=sharing

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483648

Lab Welcome Slides

docs.google.com

Analyze
Target URL
https://docs. google.com/presentation/d/17o-IEnzoNvfYcsCERvv4H0FO-efcoWoYS5HjvMfqXqo/edit?usp=sharing

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483630

Piazza Q&A

piazza.com

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Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/10

HW4: Logical Operations and Indexing

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483612

HW5: Working with Images

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483613

( slides )

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1URIdAlhaq3NHV0tap4QPmyOMYqHgl5n4?usp=drive_link

Reflection Form

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483653

Lab Welcome Slides

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1CV27NxvS6u8QM7FSS8pbzS3t68fgL3Aq?usp=drive_link

Lab Exercises

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483631

Piazza Q&A

piazza.com

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Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/11

Spec Review

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2488844

HW6: Plotting and Figures

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483614

HW7: Statistics and Simulation

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483615

HW8: Advanced Plotting and Data Visualization

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483616

Slides / Files

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1GxfBvgw04Hd6Vb6CAII01aQmhUoG4hJV?usp=drive_link

Reflection Form

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483647

Lab Welcome Slides

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/137NbPuNpLjKcQV6C7IeJPAxyC1S4wT77?usp=drive_link

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483632

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/12

Take Assessment

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483597

HW9: Strings and Cell Arrays

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483617

HW10: MATLAB Tables

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483618

( slides )

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1OYOX9XNLpiLPT6MIwmph7IAGk-K_2Svw?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483654

Lab Welcome Slides

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1A63xEr6bj--tg6-NV2toCAK9p2RQxP5k?usp=sharing

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483633

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/13

Spec Review

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2493762

HW11: Applying Computing to Society

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483619

Slides / Files

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1W7DgXRsPTGOwVE3VWl2u9xAJF0vJPOPs?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483644

Lab Welcome Slides

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1_XHue3FVVQQB5YR0J5XKKMYk2qX9BO-e?usp=drive_link

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483634

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/14

Take Assessment

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483600

Follow these instructions

docs.google.com

Analyze
Target URL
https://docs.google.com/document/d/e/2PACX-1vSMEvlR5BLPZ2JEXA17yE8MtMweMx3MNuM5b-Cc087ggRzxk1QFB5c6LNVKUAG-QB-kvMYKirZtqCgY/pub

Slides / Files

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1lO9p_KdHgTXIssM0aIPBPMkwRnjmlMLb?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2509964

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483635

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/15

Lab Welcome Slides

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1kOH2XXB_DqArivurrWc5m6pFi20n_ruz?usp=drive_link

HW12: Introduction to C++

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483620

HW13: More C++ Basics and Branching

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483621

HW14: Iteration

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483622

Slides / Files

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1PajWbKxdTyFey-lbU61qw84tSg3YaKlg?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483649

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483636

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/16

Lab Welcome Slides

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1vstWC8Lnm10Xd-_N6xLqtKjHuwve_vsd?usp=drive_link

HW15: Functions in C++

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483623

HW 16: Strings, Streams, and I/O

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483624

Slides / Files

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1tiE7t3cxn-OWQr9UxSaMZHNAVC0LlIYH?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483652

Lab Exercises

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483637

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/17

Lab Welcome Slides

drive.google.com

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Target URL
https://drive.google.com/drive/folders/17UmsxL8okE_Haz7aP6Ouu2mJvlR1ipUY?usp=drive_link

HW17: Vectors in C++

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483625

HW18: Program Design in C++

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483626

( slides )

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1xaNSlx-rOdKQSvfOE1s8uSDQre8dg4Pl?usp=drive_link

Reflection Form

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483655

Lab Exercises

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483638

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/18

Lab Welcome Slides

drive.google.com

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Target URL
https://drive.google.com/drive/folders/1o14DNDXSDe1HAquSbAtC-yCfYokDoMez?usp=sharing

Spec Review

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2515184

HW 19: Structs

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483627

HW 20: Vectors of Vectors

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483628

Slides / Files

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1OTQ8XIqIaHVjsPg6y5ktjha7OJPNBE5_?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483651

Lab Exercises

us.prairielearn.com

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Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483640

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/19

Lab Welcome Slides

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1N_hN2CKJ03S-1Y7wbSIqShflJmpuZCdf?usp=sharing

Take Assessment

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483603

( slides )

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1rcD8jz7lQVSlNjTxJPPHlQqcpif_QGVC?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483656

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483639

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/20

Lab Welcome Slides

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1NusC3f-YEsTKpsoW6I22PhXrB-dWCQpu?usp=sharing

Spec Review

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2525903

Slides / Files

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1rfcWa1lKgQIDennUe750FwYE9WnL1LPy?usp=drive_link

Reflection Form

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483646

Lab Exercises

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483641

Piazza Q&A

piazza.com

Analyze
Target URL
https://piazza.com/class/m4bnvxk1y0a3tn/post/21

Lab Welcome Slides

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1RCiZyvGM1AGMBmSBK3dAXYuLG-jzOD0q?usp=sharing

Take Assessment

us.prairielearn.com

Analyze
Target URL
https://us.prairielearn.com/pl/course_instance/168550/assessment/2483606

Slides / Files

drive.google.com

Analyze
Target URL
https://drive.google.com/drive/folders/1vCY-GFEtXQQVQam9hot126cU0YEPrbk0?usp=drive_link

student-facing post

heysunny.asu.edu

Analyze
Target URL
https://heysunny.asu.edu/blog/your-fear-office-hours-about-end-guide-meeting-professors

Excused Lab Absence Request (Illness)

forms.gle

Analyze
Target URL
https://forms.gle/x5TWxCnTjf5qd6bRA

Regrade Request

forms.gle

Analyze
Target URL
https://forms.gle/UBRx4D364fivgpqq9

this video

youtu.be

Analyze
Target URL
https://youtu.be/sFjnxYFlHQU

Fill out this "I'm Interested" form

docs.google.com

Analyze
Target URL
https://docs.google.com/forms/d/e/1FAIpQLSdziG7h9StEQjgif1O5d0Cnq8j2ABy4MwRE7D85qCj8Dbx3Gg/viewform

Requested Domains 5

code.jquery.com

Unknown Type
No category information available

engr101staff.github.io

Apex domain
No category information available

fonts.googleapis.com

Unknown Type
No category information available

fonts.gstatic.com

Unknown Type
No category information available

umich.edu

Unknown Type
No category information available
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