нэб.рф Website Information

Daily Unique Visits: 8,648

Daily Page Views: 43,240

Income Per Day: $108

Estimated Value: $64,800

нэб.рф is registered under .РФ top-level domain. Please check other sites in .РФ zone.

No name server records were found.

and is probably hosted by Federal State Budget Institution "Russian State Library". See the full list of other websites hosted by Federal State Budget Institution "Russian State Library".

The highest website нэб.рф position in Alexa rank database was 30051 and the lowest rank position was 973921. Current position of нэб.рф in Alexa rank database is 157549.

Desktop speed score of нэб.рф (70/100) is better than the results of 50.91% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of нэб.рф (83/100) is better than the results of 26.4% of other sites and means that the page is mobile-friendly.

Mobile speed score of нэб.рф (55/100) is better than the results of 43.86% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

нэб.рф 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.

нэб.рф 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.

% TCI Whois Service. Terms of use:
% https://tcinet.ru/documents/whois_ru_rf.pdf (in Russian)
% https://tcinet.ru/documents/whois_su.pdf (in Russian)

domain: XN--90AX2C.XN--P1AI
nserver: ns0.rusneb.ru.
nserver: ns1.rusneb.ru.
state: REGISTERED, DELEGATED, VERIFIED
org: FEDERALNOE GOSUDARSTVENNOE BUDZhETNOE UChREZhDENIE ROSSIYSKAYa GOSUDARSTVENNAYa BIBLIOTEKA
taxpayer-id: 7704097560
registrar: RUCENTER-RF
admin-contact: https://www.nic.ru/whois
created: 2010-08-03T10:31:41Z
paid-till: 2025-08-03T11:31:41Z
free-date: 2025-09-03
source: TCI

Last updated on 2024-10-21T12:21:30Z

нэб.рф server information

Servers Location

нэб.рф desktop page speed rank

Last tested: 2015-11-12

Desktop Speed Medium

70/100

нэб.рф Desktop Speed Test Quick Summary

priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 22 blocking script resources and 18 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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Optimize CSS Delivery of the following:

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priority - 10Enable 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 101.1KiB (85% reduction).

Compressing https://xn--80atdhccwjcf4h.xn--90ax2c.xn--p1ai:8443/styles/importer.css could save 101.1KiB (85% reduction).

priority - 6Optimize images

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

Optimize the following images to reduce their size by 59.6KiB (9% reduction).

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priority - 6Leverage 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://mc.yandex.ru/metrika/watch.js (60 minutes)
http://bitrix.info/ba.js (2 hours)
http://xn--90ax2c.xn--p1ai/local/tools/exalead/thu…E&width=160&height=247 (3 days)
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http://xn--90ax2c.xn--p1ai/local/tools/exalead/thu…LR&width=90&height=130 (3 days)
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http://xn--90ax2c.xn--p1ai/local/tools/exalead/thu…7&width=160&height=247 (3 days)
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http://xn--90ax2c.xn--p1ai/local/tools/exalead/thu…07&width=90&height=130 (3 days)
http://xn--90ax2c.xn--p1ai/local/tools/exalead/thu…07&width=90&height=130 (3 days)
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priority - 3Minify 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 26.9KiB (13% reduction).

Minifying http://xn--90ax2c.xn--p1ai/local/templates/.defaul…ns.js?1434527925531890 could save 11.9KiB (8% reduction) after compression.
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priority - 3Minify 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 26.3KiB (15% reduction).

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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 1.8KiB (15% reduction).

Minifying http://xn--90ax2c.xn--p1ai/ could save 1.8KiB (15% reduction) after compression.

нэб.рф Desktop Resource Breakdown

Total Resources	97
Number of Hosts	7
Static Resources	77
JavaScript Resources	25
CSS Resources	19

нэб.рф mobile page speed rank

Last tested: 2019-08-25

Mobile Speed Bad

55/100

нэб.рф Mobile Speed Test Quick Summary

priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 22 blocking script resources and 18 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 10Enable 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 101.1KiB (85% reduction).

Compressing https://xn--80atdhccwjcf4h.xn--90ax2c.xn--p1ai:8443/styles/importer.css could save 101.1KiB (85% 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 - 6Optimize images

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

Optimize the following images to reduce their size by 59.6KiB (9% reduction).

priority - 3Minify 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 26.9KiB (13% reduction).

priority - 3Minify 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 26.3KiB (15% 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 1.8KiB (15% reduction).

Minifying http://xn--90ax2c.xn--p1ai/ could save 1.8KiB (15% reduction) after compression.

нэб.рф Mobile Resource Breakdown

Total Resources	97
Number of Hosts	7
Static Resources	77
JavaScript Resources	25
CSS Resources	19

нэб.рф mobile page usability

Last tested: 2019-08-25

Mobile Usability Medium

83/100

нэб.рф Mobile Usability Test Quick Summary

priority - 17Size 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 445 CSS pixels wide, but the viewport is only 375 CSS pixels wide. The following elements fall outside the viewport:

The element <a id="login-link" href="#" class="b-headernav_lo…t popup_opener">Sign in</a> falls outside the viewport.
The element <div class="b-headernav-apps right"></div> falls outside the viewport.
The element <a href="/about/en/" class="b-headernav_lnk">About</a> falls outside the viewport.
The element <a href="/viewers/">the program on…mputer viewing</a> falls outside the viewport.
The element <span class="b-portalinfo_lb">Available on the website</span> falls outside the viewport.
The element <span class="b-portalinfo_number mr iblock">6</span> falls outside the viewport.
The element <span class="b-portalinfo_number iblock">2</span> falls outside the viewport.
The element <span class="b-portalinfo_number iblock">2</span> falls outside the viewport.
The element <span class="b-portalinfo_number mr iblock">6</span> falls outside the viewport.
The element <span class="b-portalinfo_lb">library cards</span> falls outside the viewport.
The element <input type="submit" class="b-search_bth bbox"> falls outside the viewport.
The element <div class="checkwrapper">Search only in…anned editions</div> falls outside the viewport.
The element <div class="checkwrapper">Search on full…f publications</div> falls outside the viewport.
The element <a href="#" class="b-search_exlink js_extraform">Advanced search</a> falls outside the viewport.
The element <div class="wrapper b-bookboard_main_tit">collections</div> falls outside the viewport.
The element <h3>«Давно пора мн…видеть новый…»</h3> falls outside the viewport.
The element <img src="/local/tools/e…=90&height=130"> falls outside the viewport.
The element <div class="b-bookinfo_tit">New</div> falls outside the viewport.
The element

<a href="/catalog/00020…L_A_010825502/" class="popup_opener a…pener coverlay">Листок Всеросс…ой мануфакт...</a>

falls outside the viewport.
The element <div class="b-result_sorce_info iblock">Source: Россий…блиотека (РНБ)</div> falls outside the viewport.
The element

<a href="/catalog/00020…L_A_010825496/" class="popup_opener a…pener coverlay">Листок Всеросс…ой мануфакт...</a>

falls outside the viewport.
The element <div class="b-result_sorce_info iblock">Source: Россий…блиотека (РНБ)</div> falls outside the viewport.
The element

<a href="/catalog/00020…L_A_010825506/" class="popup_opener a…pener coverlay">Листок Всеросс…ой мануфакт...</a>

falls outside the viewport.
The element <div class="b-result_sorce_info iblock">Source: Россий…блиотека (РНБ)</div> falls outside the viewport.
The element

<a href="/catalog/00020…L_A_010825500/" class="popup_opener a…pener coverlay">Листок Всеросс…ой мануфакт...</a>

falls outside the viewport.
The element <div class="b-result_sorce_info iblock">Source: Россий…блиотека (РНБ)</div> falls outside the viewport.
The element <div class="b-bookinfo_tit">Popular book</div> falls outside the viewport.
The element <h4>Морской пожар</h4> falls outside the viewport.
The element <span class="b-autor">Author:…Алексей Силыч</span> falls outside the viewport.
The element

<a href="/search/?f_fie…лиотека (ргдб)" class="b-sorcelibrary">Российская гос…лиотека (РГДБ)</a>

falls outside the viewport.
The element <h4>Дети</h4> falls outside the viewport.
The element <span class="b-autor">Author:…Горький Максим</span> falls outside the viewport.
The element

<a href="/search/?f_fie…лиотека (ргдб)" class="b-sorcelibrary">Российская гос…лиотека (РГДБ)</a>

falls outside the viewport.
The element <h4>Герои и мученики науки</h4> falls outside the viewport.
The element <span class="b-autor">Author:…Клара Наумовна</span> falls outside the viewport.
The element

<a href="/search/?f_fie…лиотека (ргдб)" class="b-sorcelibrary">Российская гос…лиотека (РГДБ)</a>

falls outside the viewport.
The element <li>About the Project</li> falls outside the viewport.
The element <li>Participants</li> falls outside the viewport.
The element <li>Legal information</li> falls outside the viewport.
The element <li>For individuals</li> falls outside the viewport.
The element <li>For libraries</li> falls outside the viewport.
The element <li>Terms of use</li> falls outside the viewport.
The element <a href="/faq/en/">F.A.Q. (Freque…ked questions)</a> falls outside the viewport.
The element <li>Feedback</li> falls outside the viewport.
The element <div class="b-copy">All rights res…ors is needed.</div> falls outside the viewport.
The element <div class="b-footer_support_tit">Supported by AO "ELAR"</div> falls outside the viewport.

priority - 2Size 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="/viewers/" class="b-neb_viewer"> is close to 1 other tap targets.

The tap target <a href="http://www.win…3-11cc51f6b23f" class="b-winphone_img"> is close to 2 other tap targets.

The tap target <button type="button" class="slick-prev slick-arrow">Previous</button> is close to 1 other tap targets.
The tap target <a href="/catalog/00020…19_rc_1917808/" class="popup_opener a…pener coverlay"></a> and 5 others are close to other tap targets.
The tap target

<a href="/search/?f_fie…лиотека (ргдб)" class="b-sorcelibrary">Российская гос…лиотека (РГДБ)</a>

and 1 others are close to other tap targets.
The tap target <a href="/about/en/">About the Project</a> and 6 others are close to other tap targets.

нэб.рф 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.

Line: 43 Column: 5 - 73
"...d0"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta..."

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

Line: 121 Column: 17 - 25
"... <noindex><a hre..."

No “p” element in scope but a “p” end tag seen.

Line: 143 Column: 140 - 143
"... </p> ..."

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

Line: 154 Column: 5 - 13
"... <noindex><div c..."

Bad value “” for attribute “src” on element “img”: Must be non-empty.

Line: 166 Column: 29 - 101
"... <img class="main-slider__kind-slide" src="" alt="История России. Век XX"> ..." Line: 179 Column: 29 - 89
"... <img class="main-slider__kind-slide" src="" alt="Шереметевы"> ..." Line: 192 Column: 29 - 103
"... <img class="main-slider__kind-slide" src="" alt="«В поисках своей России»"> ..." Line: 205 Column: 29 - 103
"... <img class="main-slider__kind-slide" src="" alt="Петр Аркадьевич Столыпин"> ..." Line: 218 Column: 29 - 138
"... <img class="main-slider__kind-slide" src="" alt="Великая Российская революция. 1917 г. Часть 1. Февраль-июль"> ..." Line: 231 Column: 29 - 151
"... <img class="main-slider__kind-slide" src="" alt="Внешняя политика России после Февральской революции. Сборник документов."> ..." Line: 244 Column: 29 - 120
"... <img class="main-slider__kind-slide" src="" alt="Смутное время в России в начале XVII века"> ..." Line: 257 Column: 29 - 92
"... <img class="main-slider__kind-slide" src="" alt="День Бородина"> ..." Line: 270 Column: 29 - 128
"... <img class="main-slider__kind-slide" src="" alt="К 140 – летию рождения М.А. Волошина (1877-1932)"> ..." Line: 283 Column: 29 - 99
"... <img class="main-slider__kind-slide" src="" alt="Первая Мировая война"> ..." Line: 296 Column: 29 - 131
"... <img class="main-slider__kind-slide" src="" alt="Сочинения П.И. Чайковского в изданиях П.И. Юргенсона"> ..." Line: 309 Column: 29 - 93
"... <img class="main-slider__kind-slide" src="" alt="Русский романс"> ..." Line: 322 Column: 29 - 107
"... <img class="main-slider__kind-slide" src="" alt="Всероссийские Съезды Советов"> ..." Line: 335 Column: 29 - 147
"... <img class="main-slider__kind-slide" src="" alt="БУДЕМ КАК СОЛНЦЕ. К 150 – летию рождения К. Д. Бальмонта (1867-2017)"> ..." Line: 348 Column: 29 - 138
"... <img class="main-slider__kind-slide" src="" alt="Мигель де Сервантес Сааведра (к 470-летию со дня рождения) "> ..." Line: 361 Column: 28 - 114
"... <img class="main-slider__kind-slide" src="" alt="180 лет со дня смерти А. С. Пушкина"> ..." Line: 374 Column: 29 - 151
"... <img class="main-slider__kind-slide" src="" alt="«Исполин русской словесности»: к 250-летию со дня рождения Н.М.Карамзина"> ..." Line: 387 Column: 29 - 93
"... <img class="main-slider__kind-slide" src="" alt="Патриарх Никон"> ..." Line: 400 Column: 29 - 120
"... <img class="main-slider__kind-slide" src="" alt="«Радостно думать, что в мире был Федоров»"> ..." Line: 413 Column: 29 - 118
"... <img class="main-slider__kind-slide" src="" alt="Детская музыка в изданиях 1850-1917 гг."> ..." Line: 426 Column: 29 - 129
"... <img class="main-slider__kind-slide" src="" alt="Традиционная культура народов Поволжья и Приуралья"> ..." Line: 439 Column: 29 - 149
"... <img class="main-slider__kind-slide" src="" alt="Афон и Россия: к 1000-летию русского монашеского присутствия на Афоне "> ..." Line: 452 Column: 29 - 129
"... <img class="main-slider__kind-slide" src="" alt="Святой Благоверный Князь Довмонт-Тимофей Псковский"> ..." Line: 465 Column: 29 - 130
"... <img class="main-slider__kind-slide" src="" alt="«Сей старец дорог нам…»: Александр Семёнович Шишков"> ..." Line: 478 Column: 29 - 117
"... <img class="main-slider__kind-slide" src="" alt="Природные и культурные богатства Крыма"> ..." Line: 491 Column: 29 - 115
"... <img class="main-slider__kind-slide" src="" alt="Владимир Иванович Даль и его Словарь"> ..." Line: 504 Column: 29 - 102
"... <img class="main-slider__kind-slide" src="" alt="Тургенев Иван Сергеевич"> ..." Line: 517 Column: 29 - 126
"... <img class="main-slider__kind-slide" src="" alt="Михаил Евграфович Салтыков-Щедрин (1826 – 1889)"> ..." Line: 530 Column: 29 - 109
"... <img class="main-slider__kind-slide" src="" alt="Московский Кремль до 1917 года"> ..." Line: 543 Column: 29 - 106
"... <img class="main-slider__kind-slide" src="" alt="«Арктика: битва за ресурсы»"> ..." Line: 556 Column: 29 - 115
"... <img class="main-slider__kind-slide" src="" alt="Собрание картографических материалов"> ..." Line: 569 Column: 29 - 104
"... <img class="main-slider__kind-slide" src="" alt="«Реалист в высшем смысле»"> ..." Line: 582 Column: 29 - 114
"... <img class="main-slider__kind-slide" src="" alt="«Давно пора мне мир увидеть новый…»"> ..." Line: 595 Column: 29 - 95
"... <img class="main-slider__kind-slide" src="" alt="«Я просто поэт»…"> ..." Line: 608 Column: 29 - 108
"... <img class="main-slider__kind-slide" src="" alt="Отечественная война 1812 года"> ..."

Bad value “true” for attribute “multiple” on element “select”.

Line: 659 Column: - 21
"... <select multiple="true" name="c[]" langcollection="выберите коллекцию" id="collection" > ..."

Attribute “langcollection” not allowed on element “select” at this point.

Line: 659 Column: - 21
"... <select multiple="true" name="c[]" langcollection="выберите коллекцию" id="collection" > ..."

Bad value “true” for attribute “selected” on element “option”.

Line: 662 Column: 53 - 86
"... <option value="4" selected="true">Научна..." Line: 663 Column: 53 - 86
"... <option value="5" selected="true">Ноты</..." Line: 664 Column: 53 - 86
"... <option value="7" selected="true">Карты<..." Line: 665 Column: 53 - 86
"... <option value="3" selected="true">Период..." Line: 666 Column: 53 - 86
"... <option value="6" selected="true">Библио..." Line: 667 Column: 53 - 86
"... <option value="2" selected="true">Универ..."

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

Line: 674 Column: 61 - 118
"... <a href="#" class="tcs-item" data-tcs-item data-value="1">Авторе..." Line: 675 Column: 61 - 118
"... <a href="#" class="tcs-item" data-tcs-item data-value="8">Патент..." Line: 676 Column: 61 - 139
"... <a href="#" class="tcs-item" data-tcs-item data-value="4" data-selected="true">Научна..." Line: 677 Column: 61 - 139
"... <a href="#" class="tcs-item" data-tcs-item data-value="5" data-selected="true">Ноты</..." Line: 678 Column: 61 - 139
"... <a href="#" class="tcs-item" data-tcs-item data-value="7" data-selected="true">Карты<..." Line: 679 Column: 61 - 139
"... <a href="#" class="tcs-item" data-tcs-item data-value="3" data-selected="true">Период..." Line: 680 Column: 61 - 139
"... <a href="#" class="tcs-item" data-tcs-item data-value="6" data-selected="true">Библио..." Line: 681 Column: 61 - 139
"... <a href="#" class="tcs-item" data-tcs-item data-value="2" data-selected="true">Универ..."

Bad value “/category/?category_id=1012&category_name=Естественные науки в целом” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 770 Column: 21 - 136
"... <a class="categories-block__list-link" href="/category/?category_id=1012&category_name=Естественные науки в целом">Естеств..."

Bad value “/category/?category_id=1110&category_name=Физико-математические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 773 Column: 21 - 137
"... <a class="categories-block__list-link" href="/category/?category_id=1110&category_name=Физико-математические науки">Физико-..."

Bad value “/category/?category_id=10248&category_name=Химические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 776 Column: 21 - 127
"... <a class="categories-block__list-link" href="/category/?category_id=10248&category_name=Химические науки">Химичес..."

Bad value “/category/?category_id=12871&category_name=Науки о Земле” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 779 Column: 21 - 124
"... <a class="categories-block__list-link" href="/category/?category_id=12871&category_name=Науки о Земле">Науки о..."

Bad value “/category/?category_id=19485&category_name=Биологические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 782 Column: 21 - 130
"... <a class="categories-block__list-link" href="/category/?category_id=19485&category_name=Биологические науки">Биологи..."

Bad value “/category/?category_id=25699&category_name=Техника и технические науки в целом” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 785 Column: 21 - 146
"... <a class="categories-block__list-link" href="/category/?category_id=25699&category_name=Техника и технические науки в целом">Техника..."

Bad value “/category/?category_id=26580&category_name=Энергетика. Радиоэлектроника” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 788 Column: 21 - 139
"... <a class="categories-block__list-link" href="/category/?category_id=26580&category_name=Энергетика. Радиоэлектроника">Энергет..."

Bad value “/category/?category_id=30958&category_name=Горное дело” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 791 Column: 21 - 122
"... <a class="categories-block__list-link" href="/category/?category_id=30958&category_name=Горное дело">Горное ..."

Bad value “/category/?category_id=37274&category_name=Технология древесины. Производства легкой промышленности. Фотокинотехника. Полиграфическое производство” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 794 Column: 21 - 214
"... <a class="categories-block__list-link" href="/category/?category_id=37274&category_name=Технология древесины. Производства легкой промышленности. Фотокинотехника. Полиграфическое производство">Техноло..."

Bad value “/category/?category_id=34613&category_name=Химическая технология. Химические и пищевые производства” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 798 Column: 21 - 167
"... <a class="categories-block__list-link" href="/category/?category_id=34613&category_name=Химическая технология. Химические и пищевые производства">Химичес..."

Bad value “/category/?category_id=31944&category_name=Технология металлов. Машиностроение. Приборостроение” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 801 Column: 21 - 163
"... <a class="categories-block__list-link" href="/category/?category_id=31944&category_name=Технология металлов. Машиностроение. Приборостроение">Техноло..."

Bad value “/category/?category_id=43943&category_name=Сельское и лесное хозяйство. Сельскохозяйственные и лесохозяйственные науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 810 Column: 21 - 186
"... <a class="categories-block__list-link" href="/category/?category_id=43943&category_name=Сельское и лесное хозяйство. Сельскохозяйственные и лесохозяйственные науки">Сельско..."

Bad value “/category/?category_id=51016&category_name=Здравоохранение. Медицинские науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 813 Column: 21 - 145
"... <a class="categories-block__list-link" href="/category/?category_id=51016&category_name=Здравоохранение. Медицинские науки">Здравоо..."

Bad value “/category/?category_id=60235&category_name=Общественные науки в целом” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 816 Column: 21 - 137
"... <a class="categories-block__list-link" href="/category/?category_id=60235&category_name=Общественные науки в целом">Обществ..."

Bad value “/category/?category_id=61510&category_name=История. Исторические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 819 Column: 21 - 138
"... <a class="categories-block__list-link" href="/category/?category_id=61510&category_name=История. Исторические науки">История..."

Bad value “/category/?category_id=70886&category_name=Экономика. Экономические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 822 Column: 21 - 141
"... <a class="categories-block__list-link" href="/category/?category_id=70886&category_name=Экономика. Экономические науки">Экономи..."

Bad value “/category/?category_id=79739&category_name=Политические партии. Общественно-политические организации” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 826 Column: 20 - 168
"... <a class="categories-block__list-link" href="/category/?category_id=79739&category_name=Политические партии. Общественно-политические организации">Политич..."

Bad value “/category/?category_id=82272&category_name=Государство и право. Юридические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 829 Column: 21 - 149
"... <a class="categories-block__list-link" href="/category/?category_id=82272&category_name=Государство и право. Юридические науки">Государ..."

Bad value “/category/?category_id=85914&category_name=Военная наука. Военное дело” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 832 Column: 21 - 138
"... <a class="categories-block__list-link" href="/category/?category_id=85914&category_name=Военная наука. Военное дело">Военная..."

Bad value “/category/?category_id=92713&category_name=Культура. Наука. Просвещение” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 835 Column: 21 - 139
"... <a class="categories-block__list-link" href="/category/?category_id=92713&category_name=Культура. Наука. Просвещение">Культур..."

Bad value “/category/?category_id=99693&category_name=Филологические науки. Художественная литература” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 838 Column: 21 - 158
"... <a class="categories-block__list-link" href="/category/?category_id=99693&category_name=Филологические науки. Художественная литература">Филолог..."

Bad value “/category/?category_id=109927&category_name=Искусство. Искусствознание” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 841 Column: 21 - 138
"... <a class="categories-block__list-link" href="/category/?category_id=109927&category_name=Искусство. Искусствознание">Искусст..."

Bad value “/category/?category_id=116362&category_name=Религия. Атеизм” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 844 Column: 21 - 127
"... <a class="categories-block__list-link" href="/category/?category_id=116362&category_name=Религия. Атеизм">Религия..."

Bad value “/category/?category_id=117387&category_name=Философские науки. Психология” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 847 Column: 21 - 141
"... <a class="categories-block__list-link" href="/category/?category_id=117387&category_name=Философские науки. Психология">Философ..."

Bad value “/category/?category_id=119219&category_name=Литература универсального содержания” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 850 Column: 21 - 148
"... <a class="categories-block__list-link" href="/category/?category_id=119219&category_name=Литература универсального содержания">Литерат..."

Attribute “alt” not allowed on element “a” at this point.

Line: 973 Column: 13 - 46
"... <a href="#" title="НЭБ" alt="НЭБ"> ..."

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 157 Column: 1 - 29
"...айдер --> <section class="main-slider"> <..." Line: 754 Column: 1 - 39
"...ОИСКА --> <section class="filter-tags container"> ..." Line: 766 Column: 1 - 44
"...ОИСКА --> <section class="categories-block container"> <..." Line: 943 Column: 1 - 30
"...я НЭБ --> <section class="applications"> <..."

Empty heading.

Line: 1052 Column: 13 - 36
"... <h4 class="modal-title"></h4> ..."

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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.

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priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 22 blocking script resources and 18 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 10Enable 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 101.1KiB (85% reduction).

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priority - 3Minify JavaScript

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

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priority - 3Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

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

No “p” element in scope but a “p” end tag seen.

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

Bad value “” for attribute “src” on element “img”: Must be non-empty.

Bad value “true” for attribute “multiple” on element “select”.

Attribute “langcollection” not allowed on element “select” at this point.

Bad value “true” for attribute “selected” on element “option”.

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

Bad value “/category/?category_id=1012&category_name=Естественные науки в целом” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/category/?category_id=1110&category_name=Физико-математические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/category/?category_id=10248&category_name=Химические науки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/category/?category_id=12871&category_name=Науки о Земле” for attribute “href” on element “a”: Illegal character in query: space is not allowed.