matem.by Website Information
Daily Unique Visits: 1,055
Daily Page Views: 2,110
Income Per Day: $7
Estimated Value: $1,680
matem.by is registered under .BY top-level domain. Please check other sites in .BY zone.
No name server records were found.
and is probably hosted by Republican Unitary Telecommunication Enterprise Beltelecom. See the full list of other websites hosted by Republican Unitary Telecommunication Enterprise Beltelecom.
The highest website matem.by position in Alexa rank database was 281530 and the lowest rank position was 997451. Current position of matem.by in Alexa rank database is 679444.
Desktop speed score of matem.by (52/100) is better than the results of 25.95% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of matem.by (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.
Mobile speed score of matem.by (43/100) is better than the results of 22.8% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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matem.by 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.
matem.by 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.
Domain Name: matem.by
Registrar: Reliable Software, Ltd
Person: HIDDEN!
Email: HIDDEN! Details are available at http://www.cctld.by/whois/
Name Server: ns1.hoster.by
Name Server: ns2.hoster.by
Updated Date: 2020-03-27
Creation Date: 2012-03-25
Expiration Date: 2022-03-25
-------------------------------------------
Service provided by Reliable Software, Ltd.
Registrar: Reliable Software, Ltd
Person: HIDDEN!
Email: HIDDEN! Details are available at http://www.cctld.by/whois/
Name Server: ns1.hoster.by
Name Server: ns2.hoster.by
Updated Date: 2020-03-27
Creation Date: 2012-03-25
Expiration Date: 2022-03-25
-------------------------------------------
Service provided by Reliable Software, Ltd.
matem.by server information
Servers Location
matem.by desktop page speed rank
Last tested: 2017-06-02
Desktop Speed
Bad
52/100
matem.by Desktop Speed Test Quick Summary
priority - 83Optimize images
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priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 13 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js
http://www.matem.by/bitrix/js/main/core/core.js?142553748197612
http://www.matem.by/bitrix/js/main/core/core_ajax.js?142553747835278
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http://www.matem.by/bitrix/js/main/core/core_ls.js?141596817710330
http://www.matem.by/bitrix/js/main/session.js?14159681773170
http://www.matem.by/bitrix/js/main/core/core_fx.js?141596817716537
http://www.matem.by/local/templates/main/js/lib/jq….min.js?14460658073258
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http://www.matem.by/local/templates/main/js/main.js?148120685316926
http://www.matem.by/local/templates/main/component…cript.js?1425545968541
http://cdnjs.cloudflare.com/ajax/libs/jquery-throt…rottle-debounce.min.js
Optimize CSS Delivery of the following:
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http://www.matem.by/local/templates/main/fancybox/…box.css?13711651484895
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priority - 3Leverage 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://bitrix.info/bx_stat (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/319112848480689?v=2.7.12 (20 minutes)
https://mc.yandex.ru/metrika/watch.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/319112848480689?v=2.7.12 (20 minutes)
https://mc.yandex.ru/metrika/watch.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 1Minify 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 9.5KiB (23% reduction).
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priority - 1Minify CSS
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matem.by Desktop Resource Breakdown
| Total Resources | 102 |
| Number of Hosts | 19 |
| Static Resources | 64 |
| JavaScript Resources | 25 |
| CSS Resources | 7 |
matem.by mobile page speed rank
Last tested: 2017-05-15
Mobile Speed
Bad
43/100
matem.by Mobile Speed Test Quick Summary
priority - 83Optimize images
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Compressing http://www.matem.by/local/templates/main/img/english-talk-small_sprite.png could save 572B (24% reduction).
priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 14 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js
http://www.matem.by/bitrix/js/main/core/core.js?142553748197612
http://www.matem.by/bitrix/js/main/core/core_ajax.js?142553747835278
http://www.matem.by/bitrix/js/main/json/json2.min.js?14159681773467
http://www.matem.by/bitrix/js/main/core/core_ls.js?141596817710330
http://www.matem.by/bitrix/js/main/session.js?14159681773170
http://www.matem.by/bitrix/js/main/core/core_fx.js?141596817716537
http://www.matem.by/bitrix/js/main/core/core_window.js?141596817796525
http://www.matem.by/local/templates/main/js/lib/jq….min.js?14460658073258
http://www.matem.by/local/templates/main/js/plugins.js?1415968245141638
http://www.matem.by/local/templates/main/fancybox/…ack.js?137116514823135
http://www.matem.by/local/templates/main/js/main.js?148120685316926
http://www.matem.by/local/templates/main/component…cript.js?1425545968541
http://cdnjs.cloudflare.com/ajax/libs/jquery-throt…rottle-debounce.min.js
http://www.matem.by/bitrix/js/main/core/core.js?142553748197612
http://www.matem.by/bitrix/js/main/core/core_ajax.js?142553747835278
http://www.matem.by/bitrix/js/main/json/json2.min.js?14159681773467
http://www.matem.by/bitrix/js/main/core/core_ls.js?141596817710330
http://www.matem.by/bitrix/js/main/session.js?14159681773170
http://www.matem.by/bitrix/js/main/core/core_fx.js?141596817716537
http://www.matem.by/bitrix/js/main/core/core_window.js?141596817796525
http://www.matem.by/local/templates/main/js/lib/jq….min.js?14460658073258
http://www.matem.by/local/templates/main/js/plugins.js?1415968245141638
http://www.matem.by/local/templates/main/fancybox/…ack.js?137116514823135
http://www.matem.by/local/templates/main/js/main.js?148120685316926
http://www.matem.by/local/templates/main/component…cript.js?1425545968541
http://cdnjs.cloudflare.com/ajax/libs/jquery-throt…rottle-debounce.min.js
Optimize CSS Delivery of the following:
http://www.matem.by/bitrix/js/main/core/css/core.css?14255374785336
http://www.matem.by/local/templates/main/fancybox/…box.css?13711651484895
http://www.matem.by/local/templates/main/css/main.css?1481276174142294
http://www.matem.by/local/templates/main/css/reset.css
http://fonts.googleapis.com/css?family=Open+Sans:4…&subset=latin,cyrillic
http://fonts.googleapis.com/css?family=Roboto:400,…&subset=latin,cyrillic
http://www.matem.by/bitrix/panel/main/popup.css?141596822522773
http://www.matem.by/local/templates/main/fancybox/…box.css?13711651484895
http://www.matem.by/local/templates/main/css/main.css?1481276174142294
http://www.matem.by/local/templates/main/css/reset.css
http://fonts.googleapis.com/css?family=Open+Sans:4…&subset=latin,cyrillic
http://fonts.googleapis.com/css?family=Roboto:400,…&subset=latin,cyrillic
http://www.matem.by/bitrix/panel/main/popup.css?141596822522773
priority - 4Leverage 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://bitrix.info/bx_stat (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/319112848480689?v=2.7.9 (20 minutes)
https://mc.yandex.ru/metrika/watch.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/319112848480689?v=2.7.9 (20 minutes)
https://mc.yandex.ru/metrika/watch.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 1Minify 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 11.5KiB (20% reduction).
Minifying http://www.matem.by/bitrix/js/main/core/core.js?142553748197612 could save 4.6KiB (19% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/core_window.js?141596817796525 could save 3.5KiB (18% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/core_ajax.js?142553747835278 could save 2.3KiB (24% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/core_fx.js?141596817716537 could save 1.1KiB (27% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/core_window.js?141596817796525 could save 3.5KiB (18% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/core_ajax.js?142553747835278 could save 2.3KiB (24% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/core_fx.js?141596817716537 could save 1.1KiB (27% reduction) after compression.
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 4.5KiB (20% reduction).
Minifying http://www.matem.by/local/templates/main/css/main.css?1481276174142294 could save 3.9KiB (18% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/css/core.css?14255374785336 could save 634B (37% reduction) after compression.
Minifying http://www.matem.by/bitrix/js/main/core/css/core.css?14255374785336 could save 634B (37% reduction) after compression.
matem.by Mobile Resource Breakdown
| Total Resources | 91 |
| Number of Hosts | 19 |
| Static Resources | 63 |
| JavaScript Resources | 24 |
| CSS Resources | 8 |
matem.by mobile page usability
Last tested: 2017-05-15
Mobile Usability
Good
96/100
matem.by Mobile Usability Test Quick Summary
priority - 3Size 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="#" class="jcarousel-prev">◄</a> is close to 1 other tap targets.The tap target
<a href="/programs/shko…-za-1-mesyats/">Школьный учебн…1 месяц летом</a> and 31 others are close to other tap targets.matem.by HTML validation
Errors
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Line: 10 Column: 5 - 68
"...o" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <..."
"...o" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <..."
Bad start tag in “img” in “head”.
Line: 84 Column: 15 - 141
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=319112848480689&ev=PageView&noscript=1" /></noscri..."
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=319112848480689&ev=PageView&noscript=1" /></noscri..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 84 Column: 15 - 141
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=319112848480689&ev=PageView&noscript=1" /></noscri..."
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=319112848480689&ev=PageView&noscript=1" /></noscri..."
Stray end tag “noscript”.
Line: 84 Column: - 152
"......"
"......"
Stray end tag “head”.
Line: 87 Column: 1 - 7
"...noscript> </head> <body..."
"...noscript> </head> <body..."
Start tag “body” seen but an element of the same type was already open.
Line: 88 Column: 1 - 6
"...> </head> <body> <..."
"...> </head> <body> <..."
Bad value “tel: +375296530301” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Line: 143 Column: 25 - 75
"... <li><a href="tel: +375296530301" style="color: black;">+375 (..." Line: 378 Column: 25 - 75
"... <li><a href="tel: +375296530301" style="color: black;">+375 (..."
"... <li><a href="tel: +375296530301" style="color: black;">+375 (..." Line: 378 Column: 25 - 75
"... <li><a href="tel: +375296530301" style="color: black;">+375 (..."
End tag “a” violates nesting rules.
Line: 157 Column: 981 - 984
"...я взрослых</a></li><..."
"...я взрослых</a></li><..."
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Line: 193 Column: 9 - 116
"...> <iframe width="100%" height="325" src="//www.youtube.com/embed/LsJfdk7bagU" frameborder="0" allowfullscreen></ifra..."
"...> <iframe width="100%" height="325" src="//www.youtube.com/embed/LsJfdk7bagU" frameborder="0" allowfullscreen></ifra..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 193 Column: 9 - 116
"...> <iframe width="100%" height="325" src="//www.youtube.com/embed/LsJfdk7bagU" frameborder="0" allowfullscreen></ifra..."
"...> <iframe width="100%" height="325" src="//www.youtube.com/embed/LsJfdk7bagU" frameborder="0" allowfullscreen></ifra..."
No “p” element in scope but a “p” end tag seen.
Line: 253 Column: 172 - 175
"...ься...</p></p> ..."
"...ься...</p></p> ..."
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
Line: 11 Column: 5 - 111
"...1" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> ..."
"...1" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> ..."
The “type” attribute is unnecessary for JavaScript resources.
Line: 29 Column: 1 - 31
"...sheet" /> <script type="text/javascript">if(!wi..." Line: 30 Column: 1 - 31
"...</script> <script type="text/javascript">(windo..." Line: 31 Column: 1 - 31
"...</script> <script type="text/javascript">(windo..." Line: 34 Column: 1 - 82
"...script> <script type="text/javascript" src="/bitrix/js/main/core/core.js?142553748197612"></scri..." Line: 35 Column: 1 - 87
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_ajax.js?142553747835278"></scri..." Line: 36 Column: 1 - 86
"...</script> <script type="text/javascript" src="/bitrix/js/main/json/json2.min.js?14159681773467"></scri..." Line: 37 Column: 1 - 85
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_ls.js?141596817710330"></scri..." Line: 38 Column: 1 - 79
"...</script> <script type="text/javascript" src="/bitrix/js/main/session.js?14159681773170"></scri..." Line: 39 Column: 1 - 85
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_fx.js?141596817716537"></scri..." Line: 40 Column: 1 - 89
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_window.js?141596817796525"></scri..." Line: 43 Column: 1 - 107
"...script> <script type="text/javascript" src="/local/templates/main/js/lib/jquery.placeholder.min.js?14460658073258"></scri..." Line: 44 Column: 1 - 95
"...</script> <script type="text/javascript" src="/local/templates/main/js/lib/slick.min.js?154269813441954"></scri..." Line: 45 Column: 1 - 90
"...</script> <script type="text/javascript" src="/local/templates/main/js/plugins.js?1415968245141638"></scri..." Line: 46 Column: 1 - 108
"...</script> <script type="text/javascript" src="/local/templates/main/fancybox/jquery.fancybox.pack.js?137116514823135"></scri..." Line: 47 Column: 1 - 116
"...</script> <script type="text/javascript" src="/local/templates/main/fancybox/helpers/jquery.fancybox-media.js?13711651485305"></scri..." Line: 48 Column: 1 - 86
"...</script> <script type="text/javascript" src="/local/templates/main/js/main.js?155067511620998"></scri..." Line: 49 Column: 1 - 115
"...</script> <script type="text/javascript" src="/local/templates/main/components/bitrix/menu/subjects/script.js?1425545968541"></scri..." Line: 50 Column: 1 - 31
"...</script> <script type="text/javascript"> bx..." Line: 53 Column: 1 - 31
"...</script> <script type="text/javascript">var _b..." Line: 85 Column: 1 - 31
"...noscript> <script type="text/javascript">(windo..." Line: 86 Column: 1 - 31
"...</script> <script type="text/javascript">!funct..." Line: 94 Column: 5 - 35
"...r --> <script type="text/javascript"> ..." Line: 158 Column: 324 - 354
"...lue="Y" /><script type="text/javascript"> funct..." Line: 180 Column: 1 - 31
"...rm></div> <script type="text/javascript"> v..." Line: 406 Column: 1 - 31
"...eral} --> <script type='text/javascript'> (..." Line: 410 Column: 1 - 31
"... CODE --> <script type="text/javascript"> v..."
"...sheet" /> <script type="text/javascript">if(!wi..." Line: 30 Column: 1 - 31
"...</script> <script type="text/javascript">(windo..." Line: 31 Column: 1 - 31
"...</script> <script type="text/javascript">(windo..." Line: 34 Column: 1 - 82
"...script> <script type="text/javascript" src="/bitrix/js/main/core/core.js?142553748197612"></scri..." Line: 35 Column: 1 - 87
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_ajax.js?142553747835278"></scri..." Line: 36 Column: 1 - 86
"...</script> <script type="text/javascript" src="/bitrix/js/main/json/json2.min.js?14159681773467"></scri..." Line: 37 Column: 1 - 85
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_ls.js?141596817710330"></scri..." Line: 38 Column: 1 - 79
"...</script> <script type="text/javascript" src="/bitrix/js/main/session.js?14159681773170"></scri..." Line: 39 Column: 1 - 85
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_fx.js?141596817716537"></scri..." Line: 40 Column: 1 - 89
"...</script> <script type="text/javascript" src="/bitrix/js/main/core/core_window.js?141596817796525"></scri..." Line: 43 Column: 1 - 107
"...script> <script type="text/javascript" src="/local/templates/main/js/lib/jquery.placeholder.min.js?14460658073258"></scri..." Line: 44 Column: 1 - 95
"...</script> <script type="text/javascript" src="/local/templates/main/js/lib/slick.min.js?154269813441954"></scri..." Line: 45 Column: 1 - 90
"...</script> <script type="text/javascript" src="/local/templates/main/js/plugins.js?1415968245141638"></scri..." Line: 46 Column: 1 - 108
"...</script> <script type="text/javascript" src="/local/templates/main/fancybox/jquery.fancybox.pack.js?137116514823135"></scri..." Line: 47 Column: 1 - 116
"...</script> <script type="text/javascript" src="/local/templates/main/fancybox/helpers/jquery.fancybox-media.js?13711651485305"></scri..." Line: 48 Column: 1 - 86
"...</script> <script type="text/javascript" src="/local/templates/main/js/main.js?155067511620998"></scri..." Line: 49 Column: 1 - 115
"...</script> <script type="text/javascript" src="/local/templates/main/components/bitrix/menu/subjects/script.js?1425545968541"></scri..." Line: 50 Column: 1 - 31
"...</script> <script type="text/javascript"> bx..." Line: 53 Column: 1 - 31
"...</script> <script type="text/javascript">var _b..." Line: 85 Column: 1 - 31
"...noscript> <script type="text/javascript">(windo..." Line: 86 Column: 1 - 31
"...</script> <script type="text/javascript">!funct..." Line: 94 Column: 5 - 35
"...r --> <script type="text/javascript"> ..." Line: 158 Column: 324 - 354
"...lue="Y" /><script type="text/javascript"> funct..." Line: 180 Column: 1 - 31
"...rm></div> <script type="text/javascript"> v..." Line: 406 Column: 1 - 31
"...eral} --> <script type='text/javascript'> (..." Line: 410 Column: 1 - 31
"... CODE --> <script type="text/javascript"> v..."
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Line: 207 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 215 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 223 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 231 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 239 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 247 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 356 Column: 100 - 161
"...</a></div><article class="articles-list__item" id="bx_3099439860_16306"><div c..." Line: 356 Column: 417 - 478
"...</article><article class="articles-list__item" id="bx_3099439860_14647"><div c..." Line: 356 Column: 767 - 828
"...</article><article class="articles-list__item" id="bx_3099439860_16103"><div c..." Line: 356 Column: 1144 - 1205
"...</article><article class="articles-list__item" id="bx_3099439860_15797"><div c..." Line: 357 Column: 102 - 162
"...</a></div><article class="articles-list__item" id="bx_565502798_15208"><div c..." Line: 357 Column: 492 - 552
"...</article><article class="articles-list__item" id="bx_565502798_15162"><div c..."
"...> <article class="courses-list__course"> ..." Line: 215 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 223 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 231 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 239 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 247 Column: 9 - 46
"...> <article class="courses-list__course"> ..." Line: 356 Column: 100 - 161
"...</a></div><article class="articles-list__item" id="bx_3099439860_16306"><div c..." Line: 356 Column: 417 - 478
"...</article><article class="articles-list__item" id="bx_3099439860_14647"><div c..." Line: 356 Column: 767 - 828
"...</article><article class="articles-list__item" id="bx_3099439860_16103"><div c..." Line: 356 Column: 1144 - 1205
"...</article><article class="articles-list__item" id="bx_3099439860_15797"><div c..." Line: 357 Column: 102 - 162
"...</a></div><article class="articles-list__item" id="bx_565502798_15208"><div c..." Line: 357 Column: 492 - 552
"...</article><article class="articles-list__item" id="bx_565502798_15162"><div c..."
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matem.by 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.
matem.by 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.