Description of reCAPTCHA: reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
reCAPTCHA is used by 43.41% of websites in the Security category.
Business and Finance is the most popular main category among the websites using reCAPTCHA.
Business is the most popular subcategory among the websites that are using reCAPTCHA.
The technologies that are most often used together with reCAPTCHA are jQuery, Google Analytics, Google Tag Manager, PHP, Google Font API, MySQL, WordPress, jQuery Migrate, Font Awesome, Bootstrap.
Our AI based recommender engine (trained on 100 million data points) suggests that websites using reCAPTCHA may also be interested in using these other technologies: Squarespace Commerce, Privy, Mailmunch, Polyfill, HSTS, webpack, Raygun, Choices, OptinMonster, CFML.
Technology | % of use together with reCAPTCHA | Website |
---|---|---|
jQuery | 69.97 | https://jquery.com |
Google Analytics | 56.95 | http://google.com/analytics |
Google Tag Manager | 49.89 | http://www.google.com/tagmanager |
PHP | 48.55 | http://php.net |
Google Font API | 48.42 | http://google.com/fonts |
MySQL | 44.47 | http://mysql.com |
WordPress | 42.22 | https://wordpress.org |
jQuery Migrate | 40.84 | https://github.com/jquery/jquery-migrate |
Font Awesome | 32.71 | https://fontawesome.com/ |
Bootstrap | 27.64 | https://getbootstrap.com |
Technology | AI Recommendation Score | Website |
---|---|---|
Squarespace Commerce | 0.13 | https://www.squarespace.com/ecommerce-website |
Privy | 0.12 | https://www.privy.com |
Mailmunch | 0.07 | https://www.mailmunch.com |
Polyfill | 0.06 | https://polyfill.io |
HSTS | 0.06 | https://www.rfc-editor.org/rfc/rfc6797#section-6.1 |
webpack | 0.04 | https://webpack.js.org/ |
Raygun | 0.04 | https://raygun.com |
Choices | 0.04 | https://github.com/Choices-js/Choices |
OptinMonster | 0.04 | https://optinmonster.com |
CFML | 0.04 | http://adobe.com/products/coldfusion-family.html |
Introduction to reCAPTCHA
reCAPTCHA is a free service that protects websites from spam and abuse. It uses advanced risk analysis techniques to distinguish humans from bots and allows only humans to pass through. It provides a way to verify that a user is not a robot by asking them to solve a challenge, such as recognizing images of cars or typing in distorted text.
Practical Applications
of reCAPTCHA
1. Preventing automated spam and bot attacks on websites and online services
2. Verifying human users during online account creation or login processes
3. Improving the accuracy of OCR (optical character recognition) software by using reCAPTCHA to train machine learning algorithms
4. Enhancing the security of online transactions and financial activities by verifying human users
5. Protecting online polls and surveys from fraudulent votes or responses.
Benefits and Advantages of reCAPTCHA
- Provides security against automated attacks and spam by distinguishing between humans and bots
- Easy to implement on websites and user-friendly for human users
- Offers accessibility options for users with disabilities, such as audio and visual challenges
- Helps digitize books and other texts through the use of reCAPTCHA's Optical Character Recognition technology
- Provides a free service for website owners to protect their sites from spam and malicious activity
- Helps improve the accuracy of machine learning models by using human responses to train algorithms.
Website | IAB category 1 | IAB category 2 | OpenRank |
---|---|---|---|
vimeo.com | Business and Finance | Economy | 8.42 |
npr.org | News and Politics | Talk Radio | 7.23 |
tumblr.com | Style & Fashion | Fashion Trends | 7.01 |
reverbnation.com | Music and Audio | Industries | 7 |
archive.org | Fine Art | Amharic | 6.97 |
booking.com | Travel | Travel Type | 6.81 |
slate.com | News and Politics | Political Event | 6.74 |
poynter.org | Business and Finance | Industries | 6.58 |
economist.com | News and Politics | International News | 6.57 |
sxsw.com | Events and Attractions | Industries | 6.43 |
Website | IAB category 1 | IAB category 2 | OpenRank |
---|---|---|---|
sayyedunakareemun.com | Personal Finance | Travel Type | 0 |
chitownkitchens.com | Home & Garden | Remodeling & Construction | 0 |
webcoshowcase.com | Fine Art | Arts and Crafts | 0 |
jamieshivetotable.com | Hobbies & Interests | Beekeeping | 0 |
nchomefinder.com | Business and Finance | Business | 0 |
The average age of websites using reCAPTCHA is 11.9 years.
The average page rank (measure of backlink strength) of websites using reCAPTCHA is 2.45.
Technology | % of use together with reCAPTCHA | Website |
---|---|---|
A8.net | 0.0004 | https://www.a8.net |
Ada | 0.0004 | https://www.ada.cx |
Adobe GoLive | 0.0004 | http://www.adobe.com/products/golive |
AfterShip | 0.0004 | https://www.aftership.com |
Ambassador | 0.0004 | https://www.getambassador.com |