Domain Summary

ctfd.io

the best capture the flag framework out there for hiring hackers, training developers, and teaching students.

CTFd : The Easiest Capture The Flag Platform

Global rank: #320737
Daily visitors: 2.33K
Monthly Visits: 69,790
Pageviews per user: 15.95
Registrar Abuse Contact Email:
Registrant Phone:
Rating
TLD: io
IP Address: 172.67.185.159
Organization: Cloudflare, Inc.
Category: Computers Electronics and Technology >
Computer Security
ctfd.io Icon
ctfd.io
Last Status:
Online
Last Updated: 23 day ago
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About Website

Click here to check amazing ctfd.io content for United States. Otherwise, check out these important facts you probably never knew about ctfd.io

the best capture the flag framework out there for hiring hackers, training developers, and teaching students.

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ctfd.io Trust Score

ctfd.io is probably legit as the trust score is reasonable. Our algorithm rated ctfd.io a 75. Although our rating of ctfd.io is medium to low risk, we encourage you to always vote as the evaluation of the site is done automatically.

The trust rating is high. Might be safe.
Trustscore
75 / 100

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Which Sites are Alternatives & Competitors to ctfd.io?

Explore the top alternatives and rivals of ctfd.io in November 2024, and assess their data relating to website traffic, SEO, Web Server Information, and Whois. Refer to the list below for the best competitors of ctfd.io, and simply click on each one to delve into their specific details.

Mentioned on Their Website:

  • blog.ctfd.io
    CTFd v3.4.0 - CTFd Blog

    https://blog.ctfd.io/ctfd-3-4-0/

    ctfcli 0.0.9 - Along with CTFd v3.4 we are releasing ctfcli 0.0.9 which includes support for the new challenge features in 3.4 as well as improvements with managing challenges coming from multiple git repos. CTFd v3.4.0 has a lot of quality-of-life features informed directly by user feedback! We are always on the lookout for features …

  • medium.com
    Automating CTF Challenge Deployment | by Kevin Chung - Medium

    https://medium.com/ctfd/automating-ctf-challenge-deployment-5f79022e310f

    Heavily inspired by Heroku’s, git-based style of deployment, all CTFs hosted on ctfd.io will be able to deploy Docker based challenges with the simple:. git push ctf master. Once the challenge ...

  • docs.ctfd.io
    Challenges | CTFd Docs

    https://docs.ctfd.io/docs/management/ctfcli/challenges/

    Challenges Specification . ctfcli provides a challenge specification (challenge.yml) that outlines the major details of a challenge.. Every challenge generated by or processed by ctfcli should have a challenge.yml file.. The specification format has already been tested and used with CTFd in production events but comments, suggestions, and PRs are welcome …

  • docs.ctfd.io
    Users | CTFd Docs

    https://docs.ctfd.io/docs/accounts/users/

    Admin users are the administrative users of CTFd and are allowed to access the Admin Panel. From the Admin Panel, admins are allowed to add/edit/delete challenges, add/edit/delete pages, modify configuration, add user accounts, edit user accounts etc. Admin users are also able to access sensitive API endpoints and also make changes …

  • angrypanda.ctfd.io
    OSINT Training - CTFd LLC

    https://angrypanda.ctfd.io/

    OSINT Training. Welcome to the IntelTechniques training exercises. A passcode is required to register, and this is available by either hunting the internet for it, or if you would like to skip that portion of the exercise, you can find the answer in the Training Exercises lesson in Section 1 of the video training site. The format for the ...

  • cet.ctfd.io
    Analyst's Malware Analysis CTF - cet.ctfd.io

    https://cet.ctfd.io/register

    Password Password used to log into your account . Registration Code Registration code required to create account . Powered by CTFd

  • docs.ctfd.io
    Templates | CTFd Docs

    https://docs.ctfd.io/docs/themes/templates/

    Required Templates. |-- base.html - Template that all other pages inherit from. Not technically required but is very useful. |-- challenge.html - Used to render challenge views. |-- challenges.html - Used to show the list of challenges. |-- config.html - Used to show a configuration form in the Admin Panel.

  • blog.ctfd.io
    CTFd 3.7.0 - blog.ctfd.io

    https://blog.ctfd.io/ctfd-3-7-0/

    Self-hosted users can download the latest version of CTFd from Github. CTFd 3.7.0 has been released with the introduction of scoring brackets and the social …

  • docs.ctfd.io
    Using CTFd's REST API | CTFd Docs - docs.ctfd.io

    https://docs.ctfd.io/tutorials/api/using-ctfd-api/

    Then, go to CTFd and add a new user. Once you clicked Submit check the developer tools for the user request. And verify if the request is the one that we want, where the method is POST, and the endpoint is /api/v1/users. Once verified, take note of the payload's structure. For other requests, you can use the same process for determining the ...

  • pypi.org
    ctfcli · PyPI

    https://pypi.org/project/ctfcli/

    ctfcli. ctfcli is a tool to manage Capture The Flag events and challenges. ctfcli provides challenge specifications and templates to make it easier to generate challenges of different categories. It also provides an integration with the CTFd REST API to allow for command line uploading of challenges and integration with CI/CD build …

  • docs.ctfd.io
    Creating an Unlockable Challenge | CTFd Docs

    https://docs.ctfd.io/tutorials/challenges/creating-an-unlockable-challenge/

    You will need at least 2 challenges to create an "unlockable" challenge in CTFd. Go to the admin panel by clicking the Admin button on the top right. Then to the challenges section and click on the challenge to be unlocked. Select the requirements tab on the left side of the challenge view. Select the challenge that will need to be solved to ...

  • docs.ctfd.io
    Themes | CTFd Docs

    https://docs.ctfd.io/docs/settings/themes/

    Themes. CTFd allows organizers to change how the website looks to users through themes. Themes allow for significant changes in how the scoreboard, challenge board, user pages, team pages, etc. are all represented to the user.

  • byu.ctfd.io
    Home [byu.ctfd.io]

    https://byu.ctfd.io/

    A CTF, or Capture the Flag, is a jeopardy-style cybersecurity competition. It consists of challenges of several categories, like cryptography, forensics, web development, reverse engineering, and more. Each challenge can be solved by completing a particular prompt, which will present you with a "flag", which you can submit to this website for ...

  • saferinternet4kids.gr
    Διαγωνισμός «Πιάσε τη Σημαία» (Capture the Flag) για την …

    https://saferinternet4kids.gr/sid/sid-2024/sid_ctf_2024/

    Πλατφόρμα Διαγωνισμού. Η πλατφόρμα CTFd (Capture The Flag framework), είναι ένα λογισμικό ανοιχτού κώδικα που σχεδιάστηκε για τη φιλοξενία και διαχείριση διοργανώσεων Capture The Flag (CTF). Οι διοργανώσεις CTF είναι προκλήσεις ...

  • docs.ctfd.io
    CTFd Docs | CTFd Docs

    https://docs.ctfd.io/

    Documentation, Tutorials, and Information about the CTFd Project.

  • alliance.ctfd.io
    Alliance Capture The Flag

    https://alliance.ctfd.io/

    A cool CTF platform from ctfd.io. Follow us on social media: Click here to login and setup your CTF Powered by CTFd ...

  • docs.ctfd.io
    Admin Roles | CTFd Docs

    https://docs.ctfd.io/docs/accounts/admin-roles/

    Admin Roles. caution. Roles are currently only available in CTFd Enterprise. CTFd Enterprise also has additional Roles that can apply to Admins. Keep in mind that these roles only apply to modification and all users with a role have at …

  • docs.ctfd.io
    Creating Challenges | CTFd Docs

    https://docs.ctfd.io/tutorials/challenges/creating-challenges/

    Creating Challenges. In order to create a challenge you must be an admin. Go to the admin panel by clicking on the Admin Panel button on the navigation bar. Then, select Challenges on the navigation bar. In the Challenges page, create a challenge by clicking on the "plus" button. Select the Challenge Type and fill out the challenge form with ...

  • warmup.ctfd.io
    warmupCTF - CTFd LLC

    https://warmup.ctfd.io/

    The kind of flags you capture in a CTF (that's what we call them), are digital. That means you'll find them on your computer or some other electronic device! Different CTF competitions use different flag formats but they will generally be denoted by one of the following three: flag{this_is_a_flag} flag{thisisaflag} flag{thisIsAFlag}

  • blog.ctfd.io
    CTFd v3.3.0 - CTFd Blog

    https://blog.ctfd.io/ctfd-v3-3-0/

    In 3.3.0 a faster implementation of /api/v1/scoreboard was implemented for CTFs running in Teams Mode. Prior to this fix, CTFd was having the database iterate through every team trying to find teams with points. This led to poor performance with certain large events, specifically when hitting the /api/v1/scoreboard endpoint for …

  • blog.ctfd.io
    Hosted Challenge Deployment Improvements - CTFd Blog

    https://blog.ctfd.io/hosted-challenge-deployment-improvements/

    Currently, we deploy a given challenge service by allocating it a unique port on challenges.ctfd.io (e.g. challenges.ctfd.io and 12345). This was done primarily to support the typical netcat style CTF challenge where you run a command like nc challenges.ctfd.io 12345.

  • docs.ctfd.io
    Media Library | CTFd Docs

    https://docs.ctfd.io/docs/pages/media-library/

    You can use the generated file path to point to your uploaded files when customizing pages in the Page Editor. Inserting the URL can be done manually by copy-pasting the URL or by using the Insert button which will automatically insert the URL at the cursor position in the Page Editor as shown below. The file path is inserted in the Page Editor:

  • docs.ctfd.io
    Billing and Invoices | CTFd Docs

    https://docs.ctfd.io/hosted/billing/billing-and-invoices/

    When you create a new hosted CTFd instance, you will be billed for the first month (30 days) of your CTFd instance. If you choose a yearly billing cycle you will be billed for the first 12 months (365 days) of your CTFd instance. An invoice will be processed and available within 1 hour of purchase. An initial test charge of $1 will be placed on ...

  • blog.ctfd.io
    CTFd v3.6.0 - blog.ctfd.io

    https://blog.ctfd.io/ctfd-v3-6-0/

    Kevin Chung. CTFd v3.6.0 has been released with some highly requested features! This release has been long in the making with foundations being laid since the previous minor release. Significant changes have been made across many layers of CTFd to fulfill the headline feature which is Translations and Internalization (i18n).

  • docs.ctfd.io
    Developing CTFd Plugins | CTFd Docs

    https://docs.ctfd.io/docs/plugins/overview/

    Effectively CTFd will look at every folder in the CTFd/plugins folder for the load() function.. If the load() function is found, CTFd will call that function with itself (as a Flask app) as a parameter (i.e. load(app)).This is done after CTFd has added all of its internal routes but before CTFd has fully instantiated itself.

  • docs.ctfd.io
    Email Settings | CTFd Docs

    https://docs.ctfd.io/docs/settings/emails/

    Hosted CTFd instances are automatically configured to send email through our email providers. The default configured email to send mail from is "noreply@ [subdomain] .ctfd.io". CTFd allows for admins to configure what email server they'd like to send emails through. This can be accessed from the email tab in the Admin Panel Settings page.

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DNS Lookup

DNS entries, such as A, NS, MX, and TXT records, are crucial for the functioning of the Internet. The A record maps a domain name to an IPv4 address, while the NS record specifies authoritative name servers for a domain. The MX record identifies the mail server responsible for receiving email messages for a domain. Additionally, the TXT record allows for the association of any text information with a domain name. These records play a vital role in ensuring proper communication and connectivity across the internet.

HostClassTTLTypeData
ctfd.ioIN300Aip: 104.21.19.74
ctfd.ioIN300Aip: 172.67.185.159
ctfd.ioIN3600NStarget: terry.ns.cloudflare.com
ctfd.ioIN3600NStarget: tia.ns.cloudflare.com
ctfd.ioIN1800SOAmname: terry.ns.cloudflare.comrname: dns.cloudflare.comserial: 2342332813refresh: 10000retry: 2400expire: 604800minimum-ttl: 1800
ctfd.ioIN300MXtarget: alt1.aspmx.l.google.compri: 5
ctfd.ioIN300MXtarget: alt3.aspmx.l.google.compri: 10
ctfd.ioIN300MXtarget: alt2.aspmx.l.google.compri: 5
ctfd.ioIN300MXtarget: alt4.aspmx.l.google.compri: 10
ctfd.ioIN300MXtarget: aspmx.l.google.compri: 1
ctfd.ioIN300TXTtxt: google-site-verification=q_TuVZrunT_0JwNgUlu3GoAsanbBPyYMeo5E0Z6e23Y
ctfd.ioIN300TXTtxt: google-site-verification=PykwEd8fOjxQnmuFFtGBiPZGz6HNRJS5taz62m0eHlU
ctfd.ioIN300TXTtxt: v=spf1 a mx include:_spf.google.com include:helpscoutemail.com ~all
ctfd.ioIN300TXTtxt: _globalsign-domain-verification=K_qhC_2EDvkHfYVUPa6plCAEZ1HqgE1zeZ8WlIYhG2
ctfd.ioIN300AAAA
ctfd.ioIN300AAAA

ctfd.io Traffic Analysis

According to global rankings, ctfd.io holds the position of #320737. It attracts an approximate daily audience of 2.33K visitors, leading to a total of 2439 pageviews. On a monthly basis, the website garners around 69.79K visitors.

Daily Visitors2.33K
Monthly Visits69.79K
Pages per Visit15.95
Visit Duration0:013:82
Bounce Rate28.6%
Want complete report?Full SEMrush Report >>
Daily Unique Visitors:
2326
Monthly Visits:
69790
Pages per Visit:
15.95
Daily Pageviews:
2439
Avg. visit duration:
0:013:82
Bounce rate:
28.6%
Monthly Visits (SEMrush):
72246

Traffic Sources

SourcesTraffic Share
Social:
2.47%
Paid Referrals:
17.37%
Mail:
0.00%
Search:
14.71%
Direct:
65.45%

Visitors by Country

CountryTraffic Share
United States:
37.36%
India:
7.36%
Puerto Rico:
5.52%
Russia:
5.09%
United Kingdom:
4.49%

SSL Checker - SSL Certificate Verify

An SSL certificate is a digital certificate that ensures a secure encrypted connection between a web server and a user's browser. It provides authentication and encryption to keep data private and protected during transmission. ctfd.io supports HTTPS, demonstrating their commitment to providing a secure browsing experience for users.

name
ctfd.io
hash
cdf58fd3
issuer
Let's Encrypt
version
2
serialNumber
313952439656867297409530499810304923899248
validFrom_time_t
1714009361
validTo_time_t
1721785360
signatureTypeSN
ecdsa-with-SHA384
signatureTypeLN
ecdsa-with-SHA384
signatureTypeNID
795
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6B:54:85:98:6E:72:32:FF:44:CF:73:83:9A:15:1C:F5:D7:14:24:7C
authorityKeyIdentifier
keyid:5A:F3:ED:2B:FC:36:C2:37:79:B9:52:30:EA:54:6F:CF:55:CB:2E:AC
authorityInfoAccess
OCSP - URI:http://e1.o.lencr.org CA Issuers - URI:http://e1.i.lencr.org/
subjectAltName
DNS:ctfd.io
certificatePolicies
Policy: 2.23.140.1.2.1

HTTP Headers

HTTP headers are additional segments of data exchanged between a client (e.g. a web browser) and a server during an HTTP request or response. They serve to provide instructions, metadata, or control parameters for the interaction between the client and server.

Status
HTTP/1.1 200 OK
Date
Wed, 29 May 2024 01:18:43 GMT
Content-Type
text/html; charset=utf-8
Connection
keep-alive
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=0, must-revalidate
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Xav%2FAvCIxs0EcmoULeATpM4IHTHmN0jeKDo3Rokm4NU4M6Bl41kDVx6eBxLsdgjLIL0sL2E5PxEPO8ZdHaLkMRoOxkrsQWPNvfJElLLiVWU9%2FeOUgzClOiPv"}],"group":"cf-nel","max_age":604800}
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Vary
Accept-Encoding
CF-Cache-Status
DYNAMIC
Server
cloudflare
CF-RAY
88b2a6f12a6e1601-SJC
alt-svc
h3=":443"; ma=86400

Where is ctfd.io hosted?

ctfd.io is likely hosted in various data centers located across different regions worldwide. The current data center mentioned is just one of many where the website may be hosted.

Whois Information

WHOIS protocol used to get domain/IP info. Common for reg details, ownership of a domain/IP. Check ctfd.io for reg/admin contact info, owner, org, email, phone, creation, and expiration dates.

Domain Updated Date:2023-10-24
Domain Created Date:2014-11-18
Domain Expiry Date:
Domain Name:
Registrar WHOIS Server:http://whois.cloudflare.com
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Registrar:Cloudflare, Inc
Domain Owner:CTFd LLC

Domain Name: ctfd.io

Registry Domain ID: 781d915c9d8d4e318e29fbd48c114d07-DONUTS

Registrar WHOIS Server: http://whois.cloudflare.com

Registrar URL: http://cloudflare.com

Updated Date: 2023-10-24T19:48:25Z

Creation Date: 2014-11-18T22:56:57Z

Registry Expiry Date: 2024-11-18T22:56:57Z

Registrar: Cloudflare, Inc

Registrar IANA ID: 1910

Registrant Organization: CTFd LLC

Registrant State/Province: Brooklyn

Registrant Country: US

Name Server: tia.ns.cloudflare.com

SEO Analysis

SEO analysis involves examining the performance of a website, including titles, descriptions, keywords, and website speed. It also includes identifying popular keywords and researching competitor websites to understand their strategies. The analysis aims to optimize the website's visibility and improve its ranking on search engines.

Title Tag:
CTFd : The Easiest Capture The Flag Platform

Length: 44 characters

Title tags are usually best kept short, within 50-70 characters. It's important to note that search engines will typically read the entire title tag even if it exceeds 70 characters, but there is a chance they may cut it off or disregard it.

Meta Description:
The best Capture The Flag framework out there for hiring hackers, training developers, and teaching students.

Length: 109 characters

When crafting website descriptions, keep in mind that search engines only show the first 150-160 characters in search results. To ensure your entire description is visible, aim for a length of 25-160 characters. If your description is too long, it may get cut off. Conversely, if it's too short, search engines may add text from elsewhere on your page. Additionally, search engines may modify the description you provide to better match the user's search intent. It's best to strike a balance between brevity and relevance for optimal visibility.

Meta Keywords:

No meta keywords found.

In the realm of search engine optimization, the meta keywords tag has become a relic of the past due to its potential for misuse, ultimately leading major search engines to disregard it in their ranking algorithms.

Keywords Cloud:
Term Count Density
ctfd 6 2.65%
easy 5 2.21%
challenges 4 1.77%
users 4 1.77%
deploy 3 1.33%
challenge 3 1.33%
security 3 1.33%
capture 3 1.33%
contact 3 1.33%
platform 3 1.33%
flag 3 1.33%

A crucial factor in search engine optimization is keyword density, which refers to the proportion of a particular keyword present in the text of a webpage. In order to achieve high rankings on search engine results pages, it is essential to maintain the appropriate keyword density for your primary keyword.

Headings:
<H1>
2
<H2>
6
<H3>
0
<H4>
1
<H5>
0
<H6>
3
<h1>Cyber Security Training made simple</h1>
<h1>Managed hosting from $50 / month</h1>
<h2>Easily add content and manage users</h2>
<h2>Track user progress with easy graphs</h2>
<h2>our hosted platform</h2>
<h2>Trusted by</h2>
<h2>Build your own cyber security workshop</h2>
<h2>Easily deploy your challenges on</h2>
<h4>With the best Capture The Flag platform</h4>
<h6>Social Media</h6>
<h6>Contact Details</h6>
<h6>Company</h6>

In SEO, the primary focus is placed on keywords within the content. The title of the page holds the highest importance, followed by heading tags such as h1, h2, and h3. The h1 heading should be the largest on the page, while the h2 heading should be slightly smaller, and the h3 heading even smaller. This hierarchical structure is crucial for optimizing search engine rankings.

Image Alt Attribute:
34 images found in your page, and 34 images are without "ALT" text.

What is the issue about?
The tag does not have an ALT attribute defined. As a general rule, search engines do not interpret the content of image files. The text provided in the attribute enables the site owner to provide relevant information to the search engine and to the end user. Alt text is helpful to end users if they have images disabled or if the image does not properly load. In addition, the Alt text is utilized by screen readers. Make sure that your Alt text is descriptive and accurately reflects what the image represents and supports the content on the page.

How to fix?
Use the <img alt> attribute to write descriptive content for the image: <img source='pic.gif' alt='Accurate and descriptive keyword text that represents the image.' />.

Website Speed Test (Desktop):
0.01 seconds

Website speed is a measurement of how fast the content on your page loads. Website speed is one of many factors involved in the discipline of search engine optimization (SEO), but it is not the only one. In a recent study, the average load time for a web page was 3.21s.

Top Organic Search Terms:
Term Search Volume Traffic Traffic (%)
ctfd.io 40 0 0%

CO-Hosted

CoHosted refers to a situation where multiple domain names (websites) are using the same IP address to point to their respective web servers. They could be owned by different individuals or organizations and may serve entirely different purposes.

ctfd.io

People reviews about ctfd.io

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Total reviews: 2
Average score: 5 stars

The total score is based on reviews found on the following sites
Scamadviser: 5/5 stars, 2 reviews

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Very positive reviews

rating 5

Total reviews: 2
Average score: 5 stars

The total score is based on reviews found on the following sites
Scamadviser: 5/5 stars, 2 reviews


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