znanium.com Website Information

Daily Unique Visits: 6,093

Daily Page Views: 24,372

Income Per Day: $68

Estimated Value: $36,720

This website is located in Russian Federation and is using following IP address 31.44.94.37. See the complete list of popular websites hosted in Russian Federation.

znanium.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website znanium.com is using the following name servers:

ns4-l2.nic.ru
ns4-cloud.nic.ru
ns8-l2.nic.ru
ns3-l2.nic.ru
ns8-cloud.nic.ru

and is probably hosted by JSC Mastertel. See the full list of other websites hosted by JSC Mastertel.

The highest website znanium.com position in Alexa rank database was 106923 and the lowest rank position was 210234. Current position of znanium.com in Alexa rank database is 205956.

Desktop speed score of znanium.com (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of znanium.com (59/100) is better than the results of 2.69% of other sites and means that the page is not mobile-friendly.

Mobile speed score of znanium.com (63/100) is better than the results of 61.76% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

znanium.com 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.

znanium.com 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: ZNANIUM.COM
Registry Domain ID: 1621101626_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.nic.ru
Registrar URL: http://nic.ru
Updated Date: 2020-10-18T00:28:46Z
Creation Date: 2010-10-19T08:42:04Z
Registry Expiry Date: 2021-10-19T08:42:04Z
Registrar: Regional Network Information Center, JSC dba RU-CENTER
Registrar IANA ID: 463
Registrar Abuse Contact Email: tld-abuse@nic.ru
Registrar Abuse Contact Phone: +7 (495) 994-46-01
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS3-L2.NIC.RU
Name Server: NS4-CLOUD.NIC.RU
Name Server: NS4-L2.NIC.RU
Name Server: NS8-CLOUD.NIC.RU
Name Server: NS8-L2.NIC.RU
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-22T00:45:43Z

znanium.com server information

Servers Location

znanium.com desktop page speed rank

Last tested: 2015-10-02

Desktop Speed Medium

72/100

znanium.com Desktop Speed Test Quick Summary

priority - 16Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 155.7KiB (71% reduction).

Compressing http://znanium.com/js/jquery-1.7.2.min.js could save 59.7KiB (64% reduction).
Compressing http://znanium.com/css/zstyles.css?1351079147 could save 22.9KiB (80% reduction).
Compressing http://znanium.com/js/common.js?bf0deb0abac27227d8e2531e8c32a88e could save 17.3KiB (78% reduction).
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Compressing http://znanium.com/js/ajax.js could save 2KiB (74% reduction).
Compressing http://znanium.com/css/zlayout.css could save 1.5KiB (66% reduction).

priority - 9Leverage 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://znanium.com/css/lightbox.css (expiration not specified)
http://znanium.com/css/zlayout.css (expiration not specified)
http://znanium.com/js/ajax.js (expiration not specified)
http://znanium.com/js/index.js (expiration not specified)
http://znanium.com/js/jquery-1.7.2.min.js (expiration not specified)
http://znanium.com/js/plug/lightbox.js (expiration not specified)
http://znanium.com/pics/style2/cd.png (expiration not specified)
http://znanium.com/pics/style2/close.png (expiration not specified)
http://znanium.com/pics/style2/close_button.png (expiration not specified)
http://znanium.com/pics/style2/cloud_w.png (expiration not specified)
http://znanium.com/pics/style2/lightgray-texture.jpg (expiration not specified)
http://znanium.com/pics/style2/loading.gif (expiration not specified)
http://znanium.com/pics/style2/ptr_noact.png (expiration not specified)
http://znanium.com/pics/style2/qr.png (expiration not specified)
http://znanium.com/pics/style2/search_btn.png (expiration not specified)
http://znanium.com/pics/style2/search_text.png (expiration not specified)
http://znanium.com/pics/style2/zna_logo8.png (expiration not specified)
http://www.google-analytics.com/ga.js (2 hours)

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

Your page has 7 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://znanium.com/js/jquery-1.7.2.min.js
http://znanium.com/js/ajax.js
http://znanium.com/js/common.js?bf0deb0abac27227d8e2531e8c32a88e
http://znanium.com/js/global.js?bf0deb0abac27227d8e2531e8c32a88e
http://znanium.com/js/waitform.js?bf0deb0abac27227d8e2531e8c32a88e
http://znanium.com/js/plug/lightbox.js
http://znanium.com/js/index.js

Optimize CSS Delivery of the following:

http://znanium.com/css/zstyles.css?1351079147
http://znanium.com/css/zlayout.css
http://znanium.com/css/zindex.css?20121107
http://znanium.com/css/lightbox.css

priority - 2Optimize images

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

Optimize the following images to reduce their size by 17.7KiB (76% reduction).

Compressing and resizing http://znanium.com/pics/style2/qr.png could save 9.2KiB (93% reduction).
Compressing and resizing http://znanium.com/pics/style2/cd.png could save 4.4KiB (74% reduction).
Compressing and resizing http://znanium.com/pics/style2/cloud_w.png could save 2.6KiB (67% reduction).
Losslessly compressing http://znanium.com/pics/style2/lightgray-texture.jpg could save 845B (48% reduction).
Losslessly compressing http://znanium.com/pics/style2/search_text.png could save 745B (38% reduction).

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 12KiB (35% reduction).

Minifying http://znanium.com/css/zstyles.css?1351079147 could save 9.3KiB (33% reduction).
Minifying http://znanium.com/css/lightbox.css could save 1.9KiB (48% reduction).
Minifying http://znanium.com/css/zlayout.css could save 831B (35% reduction).

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 9.3KiB (47% reduction).

Minifying http://znanium.com/js/plug/lightbox.js could save 5.7KiB (42% reduction).
Minifying http://znanium.com/js/waitform.js?bf0deb0abac27227d8e2531e8c32a88e could save 2.3KiB (64% reduction).
Minifying http://znanium.com/js/ajax.js could save 1.3KiB (49% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 3.3KiB (16% reduction).

Minifying http://znanium.com/ could save 3.3KiB (16% reduction).

znanium.com Desktop Resource Breakdown

Total Resources	26
Number of Hosts	3
Static Resources	18
JavaScript Resources	8
CSS Resources	4

znanium.com mobile page speed rank

Last tested: 2019-07-06

Mobile Speed Bad

63/100

znanium.com Mobile Speed Test Quick Summary

priority - 24Eliminate 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:

http://znanium.com/css/zstyles.css?1351079147
http://znanium.com/css/zlayout.css
http://znanium.com/css/zindex.css?1234567
http://znanium.com/css/lightbox.css?1234567

priority - 17Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 162.4KiB (71% reduction).

Compressing http://znanium.com/js/jquery-1.7.2.min.js could save 59.8KiB (64% reduction).
Compressing http://znanium.com/css/zstyles.css?1351079147 could save 24.7KiB (80% reduction).
Compressing http://znanium.com/ could save 19.4KiB (72% reduction).
Compressing http://znanium.com/js/common.js?b1d0c19ee42af86539059f57d29e8f79 could save 17.4KiB (78% reduction).
Compressing http://znanium.com/js/global.js?b1d0c19ee42af86539059f57d29e8f79 could save 15.3KiB (74% reduction).
Compressing http://znanium.com/js/plug/lightbox.js?b1d0c19ee42af86539059f57d29e8f79 could save 10.8KiB (79% reduction).
Compressing http://znanium.com/js/index.js?b1d0c19ee42af86539059f57d29e8f79 could save 4.6KiB (72% reduction).
Compressing http://znanium.com/css/lightbox.css?1234567 could save 3KiB (73% reduction).
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Compressing http://znanium.com/js/ajax.js could save 2KiB (74% reduction).
Compressing http://znanium.com/css/zlayout.css could save 1.6KiB (66% reduction).
Compressing http://znanium.com/js/auth1.js?b1d0c19ee42af86539059f57d29e8f79 could save 894B (51% reduction).
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Compressing http://znanium.com/css/zindex.css?1234567 could save 122B (37% reduction).

priority - 16Leverage 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://znanium.com/css/zlayout.css (expiration not specified)
http://znanium.com/img/spec/normal.png (expiration not specified)
http://znanium.com/js/ajax.js (expiration not specified)
http://znanium.com/js/jquery-1.7.2.min.js (expiration not specified)
http://znanium.com/pics/banners/logo-dz-lt.png (expiration not specified)
http://znanium.com/pics/banners/logo-ez-lt2.png (expiration not specified)
http://znanium.com/pics/banners/logo-znanium.png (expiration not specified)
http://znanium.com/pics/banners/publit_w300.jpg (expiration not specified)
http://znanium.com/pics/out/logo-fedurus.png (expiration not specified)
http://znanium.com/pics/style2/cd.png (expiration not specified)
http://znanium.com/pics/style2/close.png (expiration not specified)
http://znanium.com/pics/style2/close_button.png (expiration not specified)
http://znanium.com/pics/style2/cloud_w.png (expiration not specified)
http://znanium.com/pics/style2/lightgray-texture.jpg (expiration not specified)
http://znanium.com/pics/style2/loading.gif (expiration not specified)
http://znanium.com/pics/style2/ptr_noact.png (expiration not specified)
http://znanium.com/pics/style2/qr.png (expiration not specified)
http://znanium.com/pics/style2/search_btn.png (expiration not specified)
http://znanium.com/pics/style2/search_text.png (expiration not specified)
https://mc.yandex.ru/metrika/advert.gif (60 minutes)
https://mc.yandex.ru/metrika/watch.js (60 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 2Optimize images

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

Optimize the following images to reduce their size by 18.3KiB (42% reduction).

Compressing http://znanium.com/pics/banners/logo-dz-lt.png could save 3.3KiB (52% reduction).
Compressing http://znanium.com/pics/banners/logo-ez-lt2.png could save 3.2KiB (50% reduction).
Compressing http://znanium.com/pics/style2/cloud_w.png could save 3KiB (76% reduction).
Compressing http://znanium.com/pics/style2/qr.png could save 3KiB (30% reduction).
Compressing http://znanium.com/pics/banners/publit_w300.jpg could save 2.8KiB (27% reduction).
Compressing http://znanium.com/pics/out/logo-fedurus.png could save 964B (49% reduction).
Compressing http://znanium.com/pics/style2/lightgray-texture.jpg could save 892B (50% reduction).
Compressing http://znanium.com/pics/style2/search_text.png could save 624B (32% reduction).
Compressing http://znanium.com/pics/style2/search_btn.png could save 434B (44% reduction).
Compressing http://znanium.com/pics/style2/close_button.png could save 206B (41% reduction).

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 13.2KiB (36% reduction).

Minifying http://znanium.com/css/zstyles.css?1351079147 could save 10.3KiB (34% reduction).
Minifying http://znanium.com/css/lightbox.css?1234567 could save 1.9KiB (48% reduction).
Minifying http://znanium.com/css/zlayout.css could save 845B (35% reduction).
Minifying http://znanium.com/css/zindex.css?1234567 could save 144B (43% reduction).

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 7KiB (43% reduction).

Minifying http://znanium.com/js/plug/lightbox.js?b1d0c19ee42af86539059f57d29e8f79 could save 5.7KiB (42% reduction).
Minifying http://znanium.com/js/ajax.js could save 1.3KiB (49% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 4.8KiB (18% reduction).

Minifying http://znanium.com/ could save 4.8KiB (18% reduction).

znanium.com Mobile Resource Breakdown

Total Resources	48
Number of Hosts	7
Static Resources	26
JavaScript Resources	12
CSS Resources	4

znanium.com mobile page usability

Last tested: 2019-07-06

Mobile Usability Bad

59/100

znanium.com Mobile Usability Test Quick Summary

priority - 40Use 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.

Главная renders only 5 pixels tall (13 CSS pixels).

Каталог and 2 others render only 5 pixels tall (13 CSS pixels).

Новая версия сайта renders only 5 pixels tall (13 CSS pixels).

расширенный поиск renders only 4 pixels tall (11 CSS pixels).

научный поиск renders only 4 pixels tall (11 CSS pixels).

Перейти в каталог renders only 5 pixels tall (13 CSS pixels).

Владельцам бумажных книг and 4 others render only 5 pixels tall (13 CSS pixels).

Издательствам and 4 others render only 5 pixels tall (13 CSS pixels).

Приветствуем В…ы Znanium.com! and 1 others render only 5 pixels tall (13 CSS pixels).

Для работы в э…refox, Safari. and 9 others render only 5 pixels tall (13 CSS pixels).

Заявка для юрлиц and 1 others render only 5 pixels tall (13 CSS pixels).

(Внимание: Есл…течение года) renders only 5 pixels tall (13 CSS pixels).

Наши вебинары,…на наш канал в renders only 5 pixels tall (13 CSS pixels).

YouTube renders only 5 pixels tall (13 CSS pixels).

УчастиеГК "ИНФ…вительстве РФ. and 2 others render only 5 pixels tall (13 CSS pixels).

Библиотекам and 7 others render only 5 pixels tall (13 CSS pixels).
© ООО "Научно-…центр Инфра-М" renders only 5 pixels tall (13 CSS pixels).
Является сетев…от 02.05.2012 and 6 others render only 5 pixels tall (13 CSS pixels).

priority - 14Size 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="/catalog/">Каталог</a> and 2 others are close to other tap targets.

The tap target <a href="http://new.znanium.com">Новая версия сайта</a> is close to 1 other tap targets.

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

The tap target <a href="http://search.….com/index.php"></a> and 5 others are close to other tap targets.

The tap target <input id="book_search_text" type="text" name="book_search_text"> is close to 3 other tap targets.

The tap target <input id="book_search_text_button" type="image"> is close to 1 other tap targets.

The tap target <a href="/catalog/search/">расширенный поиск</a> is close to 1 other tap targets.

The tap target <a id="goexactus" href="http://search.znanium.com" class="topsearchlnk">научный поиск</a> is close to 1 other tap targets.

The tap target <a href="index.php?item=vuz">ВУЗам</a> and 4 others are close to other tap targets.

The tap target <a href="/index.php?item=main">Главная</a> and 6 others are close to other tap targets.

priority - 12Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,100 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <input id="book_search_text" type="text" name="book_search_text"> falls outside the viewport.
The element <input id="book_search_text_button" type="image"> falls outside the viewport.
The element <a id="goexactus" href="http://search.znanium.com" class="topsearchlnk">научный поиск</a> falls outside the viewport.
The element <div class="navboxhead">Добро пожаловать!</div> falls outside the viewport.
The element <p class="intro_main">Приветствуем В…ы Znanium.com!</p> falls outside the viewport.
The element <p class="intro_main">_____________________________</p> falls outside the viewport.
The element <p class="intro_main">Электронно-биб…сети Интернет.</p> falls outside the viewport.
The element <p class="intro_main">Для работы в э…refox, Safari.</p> falls outside the viewport.
The element <p class="intro_main">Фонд ЭБС Znani…льных авторов.</p> falls outside the viewport.
The element <p class="intro_main">Приобретая дос…ластях знаний.</p> falls outside the viewport.
The element <b>(Внимание: Есл…течение года)</b> falls outside the viewport.
The element <p class="intro_main">Наши контакты</p> falls outside the viewport.
The element <p class="intro_main">Наши вебинары,…анал в YouTube</p> falls outside the viewport.
The element <p>Новинка ! Веби…ы и стратегии.</p> falls outside the viewport.
The element <p>Участие в юбил…авительстве РФ</p> falls outside the viewport.
The element <p class="intro_main">О возможных ош…ок бесплатный.</p> falls outside the viewport.

priority - 10Configure 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.

znanium.com HTML validation

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 109
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <htm..."

Bad value “text/html; charset=UTF-8; Last-Modified: 31 Dec 2011 23:59:59;” for attribute “content” on element “meta”: The legacy encoding contained “;”, which is not a valid character in an encoding name.

Line: 4 Column: 2 - 108
"... <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8; Last-Modified: 31 Dec 2011 23:59:59;" /> <me..."

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Line: 5 Column: 2 - 55
"...59;" /> <meta http-equiv="Cache-Control" content="no-cache" /> <me..."

Bad value “pragma” for attribute “http-equiv” on element “meta”.

Line: 6 Column: 2 - 48
"...che" /> <meta http-equiv="pragma" Content="no-cache" /> <m..."

Bad value “Expires” for attribute “http-equiv” on element “meta”.

Line: 7 Column: 3 - 71
"...he" /> <meta http-equiv="Expires" content="Mon, 26 Jul 1997 05:00:00 GMT" /> <me..."

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

Line: 8 Column: 2 - 60
"...GMT" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <..."

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

Line: 51 Column: 71 - 135
"...r: none;'><img src='/pics/banners/logo-znanium.png' style='border: none;'/></a></..." Line: 52 Column: 123 - 164
"...dex.php" ><img src='/pics/banners/logo-dz-lt.png' /></a></..." Line: 53 Column: 117 - 159
"...ium.com/"><img src='/pics/banners/logo-ez-lt2.png' /></a></..." Line: 116 Column: 47 - 126
"...dth='30%'><img id='cd_img' class='appx_img' src='http://znanium.com/pics/style2/cd.png' /></td> ..." Line: 117 Column: 47 - 129
"...dth='30%'><img id='cloud_img' src='http://znanium.com/pics/style2/qr.png' class='appx_img' /></td> ..." Line: 118 Column: 47 - 134
"...dth='30%'><img id='cloud_img' src='http://znanium.com/pics/style2/cloud_w.png' class='appx_img' /></td> ..." Line: 132 Column: 63 - 123
"...rint.ru/"><img src='http://znanium.com/pics/banners/publit_w300.jpg' /></a> ..."

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

Line: 71 Column: 19 - 27
"... <noindex><a hre..." Line: 72 Column: 19 - 27
"... <noindex><a cla..." Line: 73 Column: 19 - 27
"... <noindex><a cla..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 79 Column: 9 - 43
"... <table class='body' width='100%' > ..." Line: 115 Column: 27 - 45
"... <table width='90%'><tr> ..."

Duplicate ID “navpartners”.

Line: 112 Column: 16 - 55
"... <div class='navitems' id='navpartners' > ..."

The “width” attribute on the “td” element is obsolete. Use CSS instead.

Line: 116 Column: 50 - 46
"...'90%'><tr> <td width='30%'><img i..." Line: 117 Column: 132 - 46
"...g' /></td> <td width='30%'><img i..." Line: 118 Column: 135 - 46
"...g' /></td> <td width='30%'><img i..."

Duplicate ID “cloud_img”.

Line: 118 Column: 47 - 134
"...dth='30%'><img id='cloud_img' src='http://znanium.com/pics/style2/cloud_w.png' class='appx_img' /></td> ..."

No space between attributes.

Line: 158 Column: - 23
"...ss='intro_main'style='text-ali..."

Stray end tag “font”.

Line: 167 Column: 1 - 7
"... YOUTUBE! </font></b></..." Line: 174 Column: 274 - 280
"...шей ЭБС. </font></b></..." Line: 178 Column: 202 - 208
"...иблиотек! </font></b></..." Line: 191 Column: 183 - 189
"... 510, 293 </font></b></..." Line: 197 Column: 1 - 7
"... системе! </font></b></..." Line: 202 Column: 1 - 7
"...е тексты! </font></b></..."

Stray end tag “b”.

Line: 167 Column: 8 - 11
"...E! </font></b></p> ..." Line: 174 Column: 281 - 284
".... </font></b></p> ..." Line: 178 Column: 209 - 212
"...к! </font></b></p> ..." Line: 191 Column: 190 - 193
"...93 </font></b></p> ..." Line: 197 Column: 8 - 11
"...е! </font></b></p> ..." Line: 202 Column: 8 - 11
"...ы! </font></b></p> ..."

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

Line: 183 Column: 1 - 4
"...енту:</p> <p/> <h3>Т..." Line: 185 Column: 1 - 4
"...СЬ! </h3> <p/> <di..."

Attribute “moz-do-not-send” not allowed on element “img” at this point.

Line: 218 Column: 68 - 64
"...crxsRasQ"><img moz-do-not-send="false" src="http://infra-m.ru/upload/files_for_downloading/iconmonstr-youtube-3-48.png" alt="" height="30" width="30" border="0" align="middle"></a> <..." Line: 223 Column: 43 - 64
"...ramgroup"><img moz-do-not-send="false" src="http://infra-m.ru/upload/files_for_downloading/iconmonstr-twitter-3-48.png" alt="" height="30" width="30" border="0" align="middle"></a> <..." Line: 228 Column: 38 - 64
"...ramgroup"><img moz-do-not-send="false" src="http://infra-m.ru/upload/files_for_downloading/iconmonstr-vk-3-48.png" alt="" height="30" width="30" border="0" align="middle"></a> <..." Line: 233 Column: 92 - 64
"...7143401/"><img moz-do-not-send="false" src="http://infra-m.ru/upload/files_for_downloading/iconmonstr-facebook-3-48.png" alt="" height="30" width="30" border="0" align="middle"></a> <..."

The “align” attribute on the “img” element is obsolete. Use CSS instead.

The “align” attribute on the “p” element is obsolete. Use CSS instead.

Line: 282 Column: 3 - 20
"...</div> <p align="center"> <i..." Line: 323 Column: 3 - 20
"...</div> <p align="center"> <i..." Line: 336 Column: 3 - 20
"...></div> <p align='center'> <..." Line: 408 Column: 3 - 20
"...</div> <p align='center'> <i..."

Stray end tag “div”.

Line: 341 Column: 1 - 6
"... </div> </div> <br/..."

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

Line: 363 Column: 9 - 17
"... <li><noindex><a hre..."

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

Line: 443 Column: 9 - 17
"... <noindex> ..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 456 Column: 37 - 60
"... <iframe src="" id="auth-login" frameborder="0" data-adomain="auth.znanium.com"> ..." Line: 463 Column: 53 - 44
"... <iframe src="" id="auth-check" frameborder="0" data-adomain="auth.znanium.com" data-sign="1d8881e4dfa3dfd993c0e7a72562475a" data-succurl=""> ..."

Warnings

The first occurrence of ID “navpartners” was here.

Line: 103 Column: 16 - 55
"... <div class='navitems' id='navpartners' > ..."

The first occurrence of ID “cloud_img” was here.

Line: 117 Column: 47 - 129
"...dth='30%'><img id='cloud_img' src='http://znanium.com/pics/style2/qr.png' class='appx_img' /></td> ..."

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Line: 417 Column: 3 - 56
"...er --> <script language='javascript' type='text/javascript' > ..." Line: 470 Column: 2 - 72
"...script> <script language="javascript" type="text/javascript" src="/js/ajax.js"> </scr..." Line: 471 Column: 2 - 107
"...script> <script language="javascript" type="text/javascript" src="/js/common.js?efa0d827771f5f9849b39002b2bde54d"> </scr..." Line: 472 Column: 2 - 106
"...script> <script language="javascript" type="text/javascript" src="/js/auth1.js?efa0d827771f5f9849b39002b2bde54d"> </scr..." Line: 473 Column: 2 - 107
"...script> <script language="javascript" type="text/javascript" src="/js/global.js?efa0d827771f5f9849b39002b2bde54d"> </scr..." Line: 474 Column: 2 - 112
"...script> <script language="javascript" type="text/javascript" src="/js/authexactus.js?efa0d827771f5f9849b39002b2bde54d"> </scr..." Line: 475 Column: 2 - 109
"...script> <script language="javascript" type="text/javascript" src="/js/waitform.js?efa0d827771f5f9849b39002b2bde54d"> </scr..." Line: 476 Column: 2 - 114
"...script> <script language='javascript' type='text/javascript' src='/js/plug/lightbox.js?efa0d827771f5f9849b39002b2bde54d'> </scr..." Line: 477 Column: 2 - 106
"...script> <script language='javascript' type='text/javascript' src='/js/index.js?efa0d827771f5f9849b39002b2bde54d'> </scr..." Line: 478 Column: 1 - 53
".../script> <script language='javascript' type='text/javascript'> se..."

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

Line: 2 Column: 110 - 43
"...rict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <hea..."

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znanium.com 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.

znanium.com 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.

ZNANIUM.COM Электронно-библиотечная система Znanium

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znanium.com Desktop Speed Test Quick Summary

priority - 16Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 155.7KiB (71% reduction).

priority - 9Leverage 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:

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

Your page has 7 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 2Optimize images

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

Optimize the following images to reduce their size by 17.7KiB (76% reduction).

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 12KiB (35% reduction).

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 9.3KiB (47% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 3.3KiB (16% reduction).

znanium.com Desktop Resource Breakdown

znanium.com mobile page speed rank

znanium.com Mobile Speed Test Quick Summary

priority - 24Eliminate 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:

priority - 17Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 162.4KiB (71% reduction).

priority - 16Leverage 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:

priority - 2Optimize images

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

Optimize the following images to reduce their size by 18.3KiB (42% reduction).

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 13.2KiB (36% reduction).

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 7KiB (43% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 4.8KiB (18% reduction).

znanium.com Mobile Resource Breakdown

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znanium.com Mobile Usability Test Quick Summary

priority - 40Use 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.

priority - 14Size 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.

priority - 12Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,100 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

priority - 10Configure 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.

znanium.com HTML validation

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Bad value “text/html; charset=UTF-8; Last-Modified: 31 Dec 2011 23:59:59;” for attribute “content” on element “meta”: The legacy encoding contained “;”, which is not a valid character in an encoding name.

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Bad value “pragma” for attribute “http-equiv” on element “meta”.

Bad value “Expires” for attribute “http-equiv” on element “meta”.

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

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

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

The “width” attribute on the “table” element is obsolete. Use CSS instead.