LEKTORIUM.TV Лекториум | Бесплатные онлайн-курсы

lektorium.tv Website Information

Daily Unique Visits: 16,196

Daily Page Views: 97,176

Income Per Day: $194

Estimated Value: $139,680

lektorium.tv is registered under .TV top-level domain. Please check other sites in .TV zone.

No name server records were found.

and is probably hosted by OOO "Network of data-centers "Selectel". See the full list of other websites hosted by OOO "Network of data-centers "Selectel".

The highest website lektorium.tv position in Alexa rank database was 74782 and the lowest rank position was 170823. Current position of lektorium.tv in Alexa rank database is 88553.

Desktop speed score of lektorium.tv (13/100) is better than the results of 2.15% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of lektorium.tv (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 lektorium.tv (7/100) is better than the results of 0.95% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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lektorium.tv 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.


lektorium.tv whois

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No match for "LEKTORIUM.TV".
>>> Last update of WHOIS database: 2024-10-10T03:04:36Z

lektorium.tv server information

Servers Location

lektorium.tv desktop page speed rank

Last tested: 2018-12-16


Desktop Speed Bad
13/100

lektorium.tv Desktop Speed Test Quick Summary


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priority - 0Minify CSS

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lektorium.tv Desktop Resource Breakdown

Total Resources63
Number of Hosts10
Static Resources49
JavaScript Resources14
CSS Resources8

lektorium.tv mobile page speed rank

Last tested: 2018-12-16


Mobile Speed Bad
7/100

lektorium.tv Mobile Speed Test Quick Summary


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priority - 72Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 0Minify CSS

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lektorium.tv Mobile Resource Breakdown

Total Resources65
Number of Hosts10
Static Resources51
JavaScript Resources14
CSS Resources8

lektorium.tv mobile page usability

Last tested: 2018-12-16


Mobile Usability Good
99/100

lektorium.tv 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.

The tap target <div id="rec39222441" class="r t-rec"></div> is close to 2 other tap targets.

lektorium.tv HTML validation

Errors

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Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.

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"...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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"...нфо</div> <div class="t420__descr t-descr t-descr_xxs" field="descr3" style="color: #000000;"><div s..."

Attribute “imgfield” not allowed on element “img” at this point.

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"...ium.tv" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild3738-6138-4330-a564-353839333232/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild3738-6138-4330-a564-353839333232/noroot.svg" imgfield="img4" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 13467 - 13617
"...v/mooc" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3434-6562-4064-b737-643966353833/2.svg' imgfield='tn_img_1509617409307'> </a> ..." Line: 41 Column: 14432 - 14582
"...ibrary" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3534-3834-4266-b137-646433356334/2.svg' imgfield='tn_img_1509617420525'> </a> ..." Line: 41 Column: 15404 - 15554
"...uction" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild6335-3762-4436-b165-653066313736/2.svg' imgfield='tn_img_1509617431460'> </a> ..." Line: 41 Column: 16324 - 16474
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"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3738-3037-4862-a162-623931336134/free_7.svg' imgfield='tn_img_1510751450540'> </div..." Line: 45 Column: 38396 - 38551
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1510761967345'> </div..." Line: 45 Column: 40284 - 40439
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1511184363478'> </div..." Line: 45 Column: 41214 - 41369
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"...t-col_3"> <img src="https://static.tildacdn.com/tild3132-6566-4437-b735-353734346438/_.svg" class="t420__logo" imgfield="img" alt="Разделы"> <div ..."

Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.

Line: 1 Column: 4502 - 4720
"...tons_but"><a href="https://www.lektorium.tv/user?destination" target="" class="t-btn " style="color:#ffffff;border:1px solid #ffffff;background-color:#000000;border-radius:0px; -moz-border-radius:0px; -webkit-border-radius:0px;"><table..." Line: 45 Column: 313 - 452
"...wraptwo"> <a href="http://www.lektorium.tv/mooc2/27866?utm_source=main_video_litra&amp;utm_medium=cpm&amp;utm_campaign=main_litra" target="" class=""><div c..." Line: 46 Column: 326 - 384
"...wraptwo"> <a href="https://www.lektorium.tv/mooc" target="" class=""><div c..." Line: 46 Column: 10271 - 10337
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Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 1 Column: 4890 - 4896
"...div></div><style>@media..." Line: 41 Column: 6897 - 6903
"...- T396 --><style>#rec36..." Line: 42 Column: 633 - 655
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"...iv></div> <style type="text/css"> .t300..." Line: 42 Column: 2851 - 2873
"...iv></div> <style type="text/css"> .t300..." Line: 45 Column: 725 - 731
"...;</script><style>#rec36..." Line: 45 Column: 1760 - 1766
"...- T396 --><style>#rec38..." Line: 46 Column: 628 - 634
"...;</script><style>#rec36..." Line: 46 Column: 9746 - 9768
"... </script><style type="text/css"> #rec3..." Line: 46 Column: 10581 - 10587
"...;</script><style>#rec36..." Line: 46 Column: 13503 - 13509
"...orm></div><style>#rec34..." Line: 49 Column: 81 - 87
"...}</style> <style>#rec34..." Line: 49 Column: 3009 - 3015
".../ul></div><style>#rec34..." Line: 56 Column: 4432 - 4438
"...> </form> <style>#rec35..."

Attribute “bgimgfield” not allowed on element “div” at this point.

Line: 41 Column: 224 - 424
"... cover --><div class="t-cover" id="recorddiv34711104" bgimgfield="img" style="height:600px; background-image:url('https://static.tildacdn.com/tild6432-6361-4433-a233-366431333938/-/resize/20x/top622259.jpg');" ><div c..." Line: 41 Column: 3575 - 3775
"... cover --><div class="t-cover" id="recorddiv37330387" bgimgfield="img" style="height:600px; background-image:url('https://static.tildacdn.com/tild6432-6361-4433-a233-366431333938/-/resize/20x/top622259.jpg');" ><div c..." Line: 42 Column: 3944 - 4101
"...ign_top"> <div class="t347__bg" bgimgfield="img" style="background-image:url('https://static.tildacdn.com/tild3438-6331-4435-a137-633931653737/maxresdefault_14.jpg');"></div>..." Line: 46 Column: 2579 - 2632
"..._10.jpg"> <div class="t604__imgwrapper" bgimgfield="gi_img__0" > <div ..." Line: 46 Column: 4014 - 4067
"..._11.jpg"> <div class="t604__imgwrapper" bgimgfield="gi_img__1" > <div ..." Line: 46 Column: 5449 - 5502
"..._12.jpg"> <div class="t604__imgwrapper" bgimgfield="gi_img__2" > <div ..." Line: 46 Column: 6884 - 6937
"..._13.jpg"> <div class="t604__imgwrapper" bgimgfield="gi_img__3" > <div ..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 41 Column: 1983 - 2238
"...v/mooc" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild3534-3336-4139-a636-623864306662/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild3534-3336-4139-a636-623864306662/noroot.svg" imgfield="img1" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 2343 - 2598
"...ibrary" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild6636-6464-4033-a530-346262346435/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild6636-6464-4033-a530-346262346435/noroot.svg" imgfield="img2" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 2709 - 2964
"...uction" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild3638-3662-4239-b930-646431333530/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild3638-3662-4239-b930-646431333530/noroot.svg" imgfield="img3" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 3059 - 3314
"...ium.tv" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild3738-6138-4330-a564-353839333232/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild3738-6138-4330-a564-353839333232/noroot.svg" imgfield="img4" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 5334 - 5589
"...v/mooc" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild3534-3336-4139-a636-623864306662/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild3534-3336-4139-a636-623864306662/noroot.svg" imgfield="img1" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 5694 - 5949
"...ibrary" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild6636-6464-4033-a530-346262346435/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild6636-6464-4033-a530-346262346435/noroot.svg" imgfield="img2" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 6060 - 6315
"...uction" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild3638-3662-4239-b930-646431333530/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild3638-3662-4239-b930-646431333530/noroot.svg" imgfield="img3" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 6410 - 6665
"...ium.tv" > <img class="t388__img t-img" src="https://static.tildacdn.com/tild3738-6138-4330-a564-353839333232/-/empty/noroot.svg" data-original="https://static.tildacdn.com/tild3738-6138-4330-a564-353839333232/noroot.svg" imgfield="img4" data-hook-clogo="coverlogo"/> </a> ..." Line: 41 Column: 13467 - 13617
"...v/mooc" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3434-6562-4064-b737-643966353833/2.svg' imgfield='tn_img_1509617409307'> </a> ..." Line: 41 Column: 14432 - 14582
"...ibrary" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3534-3834-4266-b137-646433356334/2.svg' imgfield='tn_img_1509617420525'> </a> ..." Line: 41 Column: 15404 - 15554
"...uction" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild6335-3762-4436-b165-653066313736/2.svg' imgfield='tn_img_1509617431460'> </a> ..." Line: 41 Column: 16324 - 16474
"...um.tv/" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3231-6332-4565-a465-313630376465/2.svg' imgfield='tn_img_1509617440890'> </a> ..." Line: 45 Column: 24054 - 24209
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3738-3037-4862-a162-623931336134/free_7.svg' imgfield='tn_img_1510751450540'> </div..." Line: 45 Column: 38396 - 38551
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1510761967345'> </div..." Line: 45 Column: 40284 - 40439
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1511184363478'> </div..." Line: 45 Column: 41214 - 41369
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1511184566219'> </div..." Line: 57 Column: 12276 - 12364
"..._wrapimg"><img src="https://static.tildacdn.com/img/tildacopy_black.png" class="t-tildalabel__img"></div>..."

Element “img” is missing required attribute “src”.

Line: 41 Column: 13467 - 13617
"...v/mooc" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3434-6562-4064-b737-643966353833/2.svg' imgfield='tn_img_1509617409307'> </a> ..." Line: 41 Column: 14432 - 14582
"...ibrary" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3534-3834-4266-b137-646433356334/2.svg' imgfield='tn_img_1509617420525'> </a> ..." Line: 41 Column: 15404 - 15554
"...uction" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild6335-3762-4436-b165-653066313736/2.svg' imgfield='tn_img_1509617431460'> </a> ..." Line: 41 Column: 16324 - 16474
"...um.tv/" > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3231-6332-4565-a465-313630376465/2.svg' imgfield='tn_img_1509617440890'> </a> ..." Line: 45 Column: 24054 - 24209
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3738-3037-4862-a162-623931336134/free_7.svg' imgfield='tn_img_1510751450540'> </div..." Line: 45 Column: 38396 - 38551
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1510761967345'> </div..." Line: 45 Column: 40284 - 40439
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1511184363478'> </div..." Line: 45 Column: 41214 - 41369
"...n-atom' > <img class='tn-atom__img t-img' data-original='https://static.tildacdn.com/tild3735-3636-4864-b662-356663386434/free_7.svg' imgfield='tn_img_1511184566219'> </div..."

Attribute “field” not allowed on element “h1” at this point.

Line: 42 Column: 3311 - 3377
"...refix_1"> <h1 class="t017__title t-title t-title_xxs" field="title" style=""><div s..."

Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

Line: 42 Column: 3378 - 3463
"... style=""><div style="font-size:38px;font-family:'Intro';color:#000000;" data-customstyle="yes"><span ..."

Bad value “butt” for attribute “stroke-linejoin” on element “polyline”.

Line: 46 Column: 8530 - 8666
"...ft</desc> <polyline fill="none" stroke="#ffffff" stroke-linejoin="butt" stroke-linecap="butt" stroke-width="1" points="0.5,0.5 6.5,6.5 0.5,12.5" /> </svg..." Line: 46 Column: 9148 - 9284
"...ht</desc> <polyline fill="none" stroke="#ffffff" stroke-linejoin="butt" stroke-linecap="butt" stroke-width="1" points="0.5,0.5 6.5,6.5 0.5,12.5" /> </svg..."

Duplicate ID “Layer_1”.

Line: 57 Column: 2429 - 2683
"..."_blank"> <svg class="t-sociallinks__svg" version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="25px" height="25px" viewBox="0 0 48 48" enable-background="new 0 0 48 48" xml:space="preserve"><desc>..." Line: 57 Column: 3173 - 3427
"..."_blank"> <svg class="t-sociallinks__svg" version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="25px" height="25px" viewBox="0 0 48 48" enable-background="new 0 0 48 48" xml:space="preserve"><desc>..." Line: 57 Column: 4777 - 4981
"..."_blank"> <svg class="t-sociallinks__svg" version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="25px" height="25px" viewBox="0 0 30 30" xml:space="preserve"><desc>..." Line: 57 Column: 7082 - 7346
"..."_blank"> <svg class="t-sociallinks__svg" version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="25px" height="25px" viewBox="-455 257 48 48" enable-background="new -455 257 48 48" xml:space="preserve"><desc>..."

Warnings

The “form” role is unnecessary for element “form”.

Line: 46 Column: 11251 - 11474
"...s="t186"> <form id="form34757742" name='form34757742' role="form" action='https://forms.tildacdn.com/procces/' method='POST' data-formactiontype="2" data-inputbox=".t186__blockinput" class="js-form-proccess " data-tilda-captchakey=""> <inpu..." Line: 56 Column: 1241 - 1519
"...v> </div> <form id="form35923019" name='form35923019' role="form" action='https://forms.tildacdn.com/procces/' method='POST' data-formactiontype="2" data-inputbox=".t-input-group" class="t-form js-form-proccess t-form_inputs-total_3 t-form_bbonly " data-success-callback="t702_onSuccess" > <inpu..."

The first occurrence of ID “Layer_1” was here.

Line: 57 Column: 337 - 564
"...oTop();"> <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="50px" height="50px" viewBox="0 0 48 48" enable-background="new 0 0 48 48" xml:space="preserve"> <path..." Line: 57 Column: 337 - 564
"...oTop();"> <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="50px" height="50px" viewBox="0 0 48 48" enable-background="new 0 0 48 48" xml:space="preserve"> <path..." Line: 57 Column: 337 - 564
"...oTop();"> <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="50px" height="50px" viewBox="0 0 48 48" enable-background="new 0 0 48 48" xml:space="preserve"> <path..." Line: 57 Column: 337 - 564
"...oTop();"> <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="50px" height="50px" viewBox="0 0 48 48" enable-background="new 0 0 48 48" xml:space="preserve"> <path..."

This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.

Line: 1 Column: 16 - 21
"...TYPE html><html> <head..."

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lektorium.tv 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.


lektorium.tv 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.