stepic.org Website Information
Daily Unique Visits: 883
Daily Page Views: 1,766
Income Per Day: $5
Estimated Value: $1,200
This website is located in Netherlands and is using following IP address 13.69.75.239. See the complete list of popular websites hosted in Netherlands.
stepic.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.
Website stepic.org is using the following name servers:
- ns69.domaincontrol.com
- ns70.domaincontrol.com
and is probably hosted by HLL LLC. See the full list of other websites hosted by HLL LLC.
The highest website stepic.org position in Alexa rank database was 20723 and the lowest rank position was 995221. Current position of stepic.org in Alexa rank database is 811917.
Desktop speed score of stepic.org (78/100) is better than the results of 65.98% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of stepic.org (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed score of stepic.org (59/100) is better than the results of 52.41% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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stepic.org Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
stepic.org whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
Registry Domain ID: 77756b247e9f47629789db7a18bf8467-LROR
Registrar WHOIS Server: http://whois.godaddy.com
Registrar URL: http://www.whois.godaddy.com
Updated Date: 2024-07-01T11:48:10Z
Creation Date: 2013-06-07T09:55:20Z
Registry Expiry Date: 2025-06-07T09:55:20Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Domains By Proxy, LLC
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Arizona
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns69.domaincontrol.com
Name Server: ns70.domaincontrol.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-22T03:17:46Z
stepic.org server information
Servers Location
stepic.org desktop page speed rank
Last tested: 2018-11-14
stepic.org Desktop Speed Test Quick Summary
priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://stepik.azureedge.net/static/frontend/cli-b…endor.css?v=1541691519
https://stepik.azureedge.net/static/frontend/cli-b…tical.css?v=1541691519
https://stepik.azureedge.net/static/frontend/cli-b…tepic.css?v=1541691519
priority - 10Leverage 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:
https://stepik.org/api/ws (expiration not specified)
https://www.google-analytics.com/gtm/js?id=GTM-MNM…d=368737094.1542159247 (15 minutes)
https://mc.yandex.ru/metrika/advert.gif (60 minutes)
https://mc.yandex.ru/metrika/tag.js (60 minutes)
https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://stepik.org/static/frontend/cli-build/icons.svg?8.10.1541690515425 (24 hours)
https://stepik.org/static/frontend/course/course_cover.png (24 hours)
https://stepik.org/static/frontend/google-play-badge-en.png (24 hours)
https://stepik.org/static/frontend/logos/bioinf.svg (24 hours)
https://stepik.org/static/frontend/logos/csc.svg (24 hours)
https://stepik.org/static/frontend/logos/eu.svg (24 hours)
https://stepik.org/static/frontend/logos/hse.svg (24 hours)
https://stepik.org/static/frontend/logos/jb.svg (24 hours)
https://stepik.org/static/frontend/logos/kontur.svg (24 hours)
https://stepik.org/static/frontend/logos/mail.svg (24 hours)
https://stepik.org/static/frontend/logos/mipt.svg (24 hours)
https://stepik.org/static/frontend/logos/spbsu.svg (24 hours)
https://stepik.org/static/frontend/logos/tsu.png (24 hours)
https://stepik.org/static/frontend/logos/yandex.svg (24 hours)
https://stepik.org/static/frontend/topbar_logo.svg (24 hours)
priority - 3Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
https://stepik.org/
https://stepik.org/catalog
priority - 2Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 16.2KiB (74% reduction).
Compressing and resizing https://stepik.org/static/frontend/google-play-badge-en.png could save 3.2KiB (50% reduction).
priority - 0Reduce server response time
In our test, your server responded in 0.21 seconds.
priority - 0Minify 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 660B (11% reduction).
stepic.org Desktop Resource Breakdown
Total Resources | 72 |
Number of Hosts | 10 |
Static Resources | 39 |
JavaScript Resources | 23 |
CSS Resources | 4 |
stepic.org mobile page speed rank
Last tested: 2018-11-14
stepic.org Mobile Speed Test Quick Summary
priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://stepik.azureedge.net/static/frontend/cli-b…endor.css?v=1541691519
https://stepik.azureedge.net/static/frontend/cli-b…tical.css?v=1541691519
https://stepik.azureedge.net/static/frontend/cli-b…tepic.css?v=1541691519
priority - 15Leverage 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:
https://stepik.org/api/ws (expiration not specified)
https://www.google-analytics.com/gtm/js?id=GTM-MNM…d=298458087.1542159273 (15 minutes)
https://mc.yandex.ru/metrika/advert.gif (60 minutes)
https://mc.yandex.ru/metrika/tag.js (60 minutes)
https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://stepik.org/static/frontend/cli-build/icons.svg?8.10.1541690515425 (24 hours)
https://stepik.org/static/frontend/course/course_cover.png (24 hours)
https://stepik.org/static/frontend/google-play-badge-en.png (24 hours)
https://stepik.org/static/frontend/logos/bioinf.svg (24 hours)
https://stepik.org/static/frontend/logos/csc.svg (24 hours)
https://stepik.org/static/frontend/logos/eu.svg (24 hours)
https://stepik.org/static/frontend/logos/hse.svg (24 hours)
https://stepik.org/static/frontend/logos/jb.svg (24 hours)
https://stepik.org/static/frontend/logos/kontur.svg (24 hours)
https://stepik.org/static/frontend/logos/mail.svg (24 hours)
https://stepik.org/static/frontend/logos/mipt.svg (24 hours)
https://stepik.org/static/frontend/logos/spbsu.svg (24 hours)
https://stepik.org/static/frontend/logos/tsu.png (24 hours)
https://stepik.org/static/frontend/logos/yandex.svg (24 hours)
https://stepik.org/static/frontend/topbar_logo.svg (24 hours)
priority - 10Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
https://stepik.org/
https://stepik.org/catalog
priority - 1Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 13KiB (85% reduction).
priority - 0Reduce server response time
In our test, your server responded in 0.21 seconds.
priority - 0Minify 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 660B (11% reduction).
stepic.org Mobile Resource Breakdown
Total Resources | 70 |
Number of Hosts | 10 |
Static Resources | 39 |
JavaScript Resources | 23 |
CSS Resources | 4 |
stepic.org mobile page usability
Last tested: 2018-11-14
stepic.org Mobile Usability Test Quick Summary
priority - 0Size 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.
<a href="https://creati…ses/by-sa/4.0/">cc-wiki</a>
is close to 1 other tap targets.stepic.org HTML validation
Errors
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
"..."utf-8" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta ..."
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
"...one=no" /><meta http-equiv="x-dns-prefetch-control" content="on"><link ..."
Attribute “field” not allowed on element “div” at this point.
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"...wrapper"> <div class="t181__title t-title t-title_md" style="" field="title"><span ..." Line: 9 Column: 1574 - 1654
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"...pan></div><div class="t-text" field="descr">You ca..." Line: 9 Column: 3211 - 3257
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"..." alt=""> <div field="text2" class="t160__text t-descr"><div s..." Line: 9 Column: 9673 - 9729
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"...alue="" > <div class='tn-atom' field='tn_text_1471537943205' ><span ..." Line: 9 Column: 39671 - 39722
"...alue="" > <div class='tn-atom' field='tn_text_1471537943212' ><span ..." Line: 9 Column: 40475 - 40526
"...alue="" > <div class='tn-atom' field='tn_text_1471537943217' ><span ..." Line: 9 Column: 41283 - 41334
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"...alue="" > <div class='tn-atom' field='tn_text_1471537943240' >1 priv..." Line: 9 Column: 45309 - 45360
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"...alue="" > <div class='tn-atom' field='tn_text_1471537956219' ><span ..." Line: 9 Column: 46922 - 46973
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"...alue="" > <div class='tn-atom' field='tn_text_1471537956230' ><span ..." Line: 9 Column: 49313 - 49364
"...alue="" > <div class='tn-atom' field='tn_text_1471537956244' ><span ..." Line: 9 Column: 51798 - 51849
"...alue="" > <div class='tn-atom' field='tn_text_1471537966509' ><span ..." Line: 9 Column: 52612 - 52663
"...alue="" > <div class='tn-atom' field='tn_text_1471537966515' ><br></..." Line: 9 Column: 53382 - 53433
"...alue="" > <div class='tn-atom' field='tn_text_1471537966519' ><br></..." Line: 9 Column: 54152 - 54203
"...alue="" > <div class='tn-atom' field='tn_text_1471537966525' ><br></..." Line: 9 Column: 55690 - 55741
"...alue="" > <div class='tn-atom' field='tn_text_1471537966537' ><span ..." Line: 10 Column: 314 - 381
"...col_12 "> <div class="t030__title t-title t-title_xxs" field="title" style=""><span ..." Line: 10 Column: 831 - 897
"...an></div> <div class="t030__descr t-descr t-descr_md" field="descr" style=""><div s..." Line: 10 Column: 1633 - 1707
"...wrapper"> <div class="t218__descrfield t-descr t-descr_xxxl" style=" " field="title"><div s..." Line: 10 Column: 1804 - 1872
"...iv></div> <div class="t218__textfield t-text t-text_md" style=" " field="text"><div s..." Line: 10 Column: 3160 - 3227
"...refix_1"> <div class="t030__title t-title t-title_xxs" field="title" style=""><div s..." Line: 10 Column: 4332 - 4396
"...refix_3"> <div class="t056__title t-name t-name_xl" field="title" style=""><div s..."
Attribute “imgfield” not allowed on element “img” at this point.
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"...'_blank'> <img class="t-img" src="https://static.tildacdn.com/tild3835-3535-4435-a332-656233303738/-/empty/gl1logo.png" data-original="https://static.tildacdn.com/tild3835-3535-4435-a332-656233303738/gl1logo.png" imgfield="img" /> </a> ..." Line: 9 Column: 5343 - 5581
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Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
"...tons_but"><a href="https://stepik.org/login?next=%2Fexplore%2Fcourses" target="" class="t-btn " style="color:#ffffff;background-color:#66cc66;border-radius:5px; -moz-border-radius:5px; -webkit-border-radius:5px;"><table..." Line: 9 Column: 1851 - 2032
"...p:60px;"> <a href="https://stepik.org/new-course" target="" class="t-btn " style="color:#ffffff;background-color:#66cc66;border-radius:5px; -moz-border-radius:5px; -webkit-border-radius:5px;"><table..." Line: 9 Column: 2114 - 2303
"...able></a> <a href="mailto:anastasia.samsonova@stepik.org" target="" class="t-btn " style="color:#000000;background-color:#e0e0e0;border-radius:5px; -moz-border-radius:5px; -webkit-border-radius:5px;"><table..." Line: 10 Column: 3722 - 3903
"...wraptwo"> <a href="https://stepik.org/new-course" target="" class="t-btn " style="color:#ffffff;background-color:#66cc66;border-radius:5px; -moz-border-radius:5px; -webkit-border-radius:5px;"><table..."
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
"...div></div><style>@media..." Line: 9 Column: 13936 - 13942
"...- T396 --><style>#rec35..."
Attribute “bgimgfield” not allowed on element “div” at this point.
"... cover --><div class="t-cover" id="recorddiv35662957" bgimgfield="img" style="height:80vh; background-image:url('https://static.tildacdn.com/tild3232-3637-4931-b365-663630356135/-/resize/20x/100_1.jpg');" ><div c..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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stepic.org Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
stepic.org TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.