CAPTCHA.NET The Official CAPTCHA Site


captcha.net website information.

captcha.net domain name is registered by .NET top-level domain registry. See the other sites registred in .NET domain zone.

Following name servers are specified for captcha.net domain:

  • nsauth-ib1.net.cmu.edu
  • nsauth-ib2.net.cmu.edu

and probably website captcha.net is hosted by SFR SA web hosting company. Check the complete list of other most popular websites hosted by SFR SA hosting company.

According to Alexa traffic rank the highest website captcha.net position was 3809 (in the world). The lowest Alexa rank position was 999781. Now website captcha.net ranked in Alexa database as number 128472 (in the world).

Website captcha.net Desktop speed measurement score (86/100) is better than the results of 82.23% of other sites and shows that the page is performing great on desktop computers.

captcha.net Mobile usability score (66/100) is better than the results of 14.96% of other sites and shows that the page mobile usability is poor and can be improved.

Mobile speed measurement score of captcha.net (81/100) is better than the results of 88.68% of other sites and shows that the landing page performance on mobile devices is excellent.

Weekly Rank Report

DateRankChange
May-03-2024 128,472-2,040
May-02-2024 126,432122
May-01-2024 126,55421,231
Apr-30-2024 147,7854,908
Apr-29-2024 152,6932,623
Apr-28-2024 155,316-1,061
Apr-27-2024 154,2553,769

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captcha.net Rank History

Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.



captcha.net whois

WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.


Domain Name: CAPTCHA.NET
Registry Domain ID: 57223217_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2018-09-08T14:03:08Z
Creation Date: 2001-02-04T01:54:54Z
Registry Expiry Date: 2022-02-04T01:54:54Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Name Server: NSAUTH-IB1.NET.CMU.EDU
Name Server: NSAUTH-IB2.NET.CMU.EDU
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-22T10:40:40Z

captcha.net server information

Servers Location

IP Address
128.2.172.14
Region
Pennsylvania
City
Bloomfield

captcha.net desktop page speed rank

Last tested: 2018-11-14


Desktop Speed Good
86/100

captcha.net Desktop Speed Test Quick Summary


priority - 10 Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 100.2KiB (97% reduction).

Compressing and resizing http://captcha.net/duo_logo.png could save 99.8KiB (97% reduction).
Compressing http://captcha.net/shared-media/newBG.gif could save 487B (66% reduction).

priority - 3 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://captcha.net/duo_logo.png (expiration not specified)
http://captcha.net/images/recaptcha-example.gif (expiration not specified)
http://captcha.net/shared-media/newBG.gif (expiration not specified)
http://captcha.net/shared-media/styles.css (expiration not specified)
http://captcha.net/shared-media/topbarTile.gif (expiration not specified)

priority - 2 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Optimize CSS Delivery of the following:

http://captcha.net/shared-media/styles.css

priority - 0 Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 975B (15% reduction).

Minifying http://www.google-analytics.com/urchin.js could save 975B (15% reduction) after compression.

captcha.net Desktop Resources

Total Resources8
Number of Hosts2
Static Resources6
JavaScript Resources1
CSS Resources1

captcha.net Desktop Resource Breakdown

captcha.net mobile page speed rank

Last tested: 2018-11-14


Mobile Speed Medium
81/100

captcha.net Mobile Speed Test Quick Summary


priority - 10 Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 100.2KiB (97% reduction).

Compressing and resizing http://captcha.net/duo_logo.png could save 99.8KiB (97% reduction).
Compressing http://captcha.net/shared-media/newBG.gif could save 487B (66% reduction).

priority - 8 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Optimize CSS Delivery of the following:

http://captcha.net/shared-media/styles.css

priority - 4 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://captcha.net/duo_logo.png (expiration not specified)
http://captcha.net/images/recaptcha-example.gif (expiration not specified)
http://captcha.net/shared-media/newBG.gif (expiration not specified)
http://captcha.net/shared-media/styles.css (expiration not specified)
http://captcha.net/shared-media/topbarTile.gif (expiration not specified)

priority - 0 Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 975B (15% reduction).

Minifying http://www.google-analytics.com/urchin.js could save 975B (15% reduction) after compression.

captcha.net Mobile Resources

Total Resources8
Number of Hosts2
Static Resources6
JavaScript Resources1
CSS Resources1

captcha.net Mobile Resource Breakdown

captcha.net mobile page usability

Last tested: 2018-11-14


Mobile Usability Medium
66/100

captcha.net Mobile Usability Test Quick Summary


priority - 40 Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

New: Learn Spa…ating the Web! and 9 others render only 5 pixels tall (14 CSS pixels).

released an on…mans can vote. and 50 others render only 5 pixels tall (12 CSS pixels).

reCAPTCHA project and 3 others render only 5 pixels tall (12 CSS pixels).

reCAPTCHA: Hum…rity Measures. and 15 others render only 5 pixels tall (12 CSS pixels).

offers a way f…slate the Web. and 1 others render only 5 pixels tall (12 CSS pixels).

duolingo.com renders only 5 pixels tall (12 CSS pixels).

This is not a…n for CAPTCHAs and 12 others render only 5 pixels tall (12 CSS pixels).

Advances in Ne…ystems (NIPS). and 6 others render only 5 pixels tall (12 CSS pixels).

© 2000-2010 Ca…ghts reserved. renders only 4 pixels tall (10 CSS pixels).

priority - 10 Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

Configure a viewport for this page.

priority - 4 Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="http://recaptc…recaptcha.html">reCAPTCHA project</a> and 2 others are close to other tap targets.

The tap target <a href="http://recaptc…ins/wordpress/">WordPress</a> and 7 others are close to other tap targets.

The tap target <a href="http://duolingo.com/">duolingo.com</a> is close to 1 other tap targets.

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captcha.net Ping

Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.


captcha.net TRACEROUTE

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.