irro.ru Website Information

Daily Unique Visits: 1,290

Daily Page Views: 2,580

Income Per Day: $8

Estimated Value: $1,920

This website is located in Russian Federation and is using following IP address 195.64.213.199. See the complete list of popular websites hosted in Russian Federation.

irro.ru is registered under .RU top-level domain. Please check other sites in .RU zone.

Website irro.ru is using the following name servers:

ns4-l2.nic.ru
ns.irro.ru
ns4-cloud.nic.ru
ns8-cloud.nic.ru
ns2.irro.ru
ns8-l2.nic.ru

and is probably hosted by Limited liability company Mail.Ru. See the full list of other websites hosted by Limited liability company Mail.Ru.

The highest website irro.ru position in Alexa rank database was 505415 and the lowest rank position was 555940. Current position of irro.ru in Alexa rank database is 555940.

Desktop speed score of irro.ru (49/100) is better than the results of 22.8% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of irro.ru (57/100) is better than the results of 1.03% of other sites and means that the page is not mobile-friendly.

Mobile speed score of irro.ru (44/100) is better than the results of 24.22% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

irro.ru 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.

irro.ru 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.

% By submitting a query to TCI's Whois Service
% you agree to abide by the following terms of use:
% https://www.tcinet.ru/documents/whois.pdf (in Russian)

domain: IRRO.RU
nserver: ns2.irro.ru. 195.64.213.200
nserver: ns4-cloud.nic.ru.
nserver: ns4-l2.nic.ru.
nserver: ns8-cloud.nic.ru.
nserver: ns8-l2.nic.ru.
nserver: ns.irro.ru. 79.172.5.232
state: REGISTERED, DELEGATED, VERIFIED
org: State autonomous education organization Sverdlovsk Regional "Education Development Institut"
registrar: RU-CENTER-RU
admin-contact: https://www.nic.ru/whois
created: 2005-12-09T21:00:00Z
paid-till: 2022-12-09T21:00:00Z
free-date: 2023-01-10
source: TCI

Last updated on 2022-05-17T16:46:30Z

irro.ru server information

Servers Location

irro.ru desktop page speed rank

Last tested: 2017-05-21

Desktop Speed Bad

49/100

irro.ru Desktop Speed Test Quick Summary

priority - 87Optimize images

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priority - 20Leverage 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://irro.ru/admin/images/filetypes/pdf.png (expiration not specified)
http://irro.ru/admin/js/ajax.js (expiration not specified)
http://irro.ru/admin/js/functions.js (expiration not specified)
http://irro.ru/admin/js/onready.js (expiration not specified)
http://irro.ru/admin/js/tooltip.js (expiration not specified)
http://irro.ru/images/gou.jpg (expiration not specified)
http://irro.ru/images/logo.png (expiration not specified)
http://irro.ru/images/midural.png (expiration not specified)
http://irro.ru/images/minobr-so.jpg (expiration not specified)
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http://irro.ru/images/sdo.png (expiration not specified)
http://irro.ru/images/search.png (expiration not specified)
http://irro.ru/images/ytIcon.png (expiration not specified)
http://irro.ru/js/calendar.js (expiration not specified)
http://irro.ru/js/jquery-1.9.1.min.js (expiration not specified)
http://irro.ru/js/lightbox/close.png (expiration not specified)
http://irro.ru/js/lightbox/lightbox.css (expiration not specified)
http://irro.ru/js/lightbox/lightbox.js (expiration not specified)
http://irro.ru/js/lightbox/loading.gif (expiration not specified)
http://irro.ru/js/nextslider.js (expiration not specified)
http://irro.ru/js/tabs.js (expiration not specified)
http://irro.ru/js/vi.css (expiration not specified)
http://irro.ru/js/vi.js (expiration not specified)
http://irro.ru/js/vi.png (expiration not specified)
http://irro.ru/main.css (expiration not specified)
http://irro.ru/photos/104879.jpg (expiration not specified)
http://irro.ru/photos/206466.jpg (expiration not specified)
http://irro.ru/photos/290308.jpg (expiration not specified)
http://irro.ru/photos/363708.jpg (expiration not specified)
http://irro.ru/photos/517758.jpg (expiration not specified)
http://irro.ru/photos/706150.jpg (expiration not specified)
http://irro.ru/photos/834938.jpg (expiration not specified)
http://irro.ru/photos/866673.jpg (expiration not specified)
http://irro.ru/ttopjs/easing.js (expiration not specified)
http://irro.ru/ttopjs/img/ui.totop.png (expiration not specified)
http://irro.ru/ttopjs/jquery-1.7.2.min.js (expiration not specified)
http://irro.ru/ttopjs/jquery.ui.totop.js (expiration not specified)

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

Your page has 11 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://irro.ru/js/jquery-1.9.1.min.js
http://irro.ru/js/lightbox/lightbox.js
http://irro.ru/admin/js/onready.js
http://irro.ru/admin/js/ajax.js
http://irro.ru/admin/js/functions.js
http://irro.ru/admin/js/tooltip.js
http://irro.ru/js/tabs.js
http://irro.ru/js/nextslider.js
http://irro.ru/js/calendar.js
http://irro.ru/js/vi.js
https://xn--80abn5aat.xn--b1afankxqj2c.xn--p1ai/in…ent&format=raw&zid=119

Optimize CSS Delivery of the following:

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http://irro.ru/js/lightbox/lightbox.css
http://irro.ru/js/vi.css

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 3.7KiB (40% reduction).

Minifying http://irro.ru/js/nextslider.js could save 1.2KiB (51% reduction) after compression.
Minifying http://irro.ru/admin/js/ajax.js could save 1.1KiB (47% reduction) after compression.
Minifying http://irro.ru/js/lightbox/lightbox.js could save 783B (27% reduction) after compression.
Minifying http://irro.ru/admin/js/functions.js could save 646B (38% reduction) after compression.

priority - 0Minify 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 590B (21% reduction).

Minifying http://irro.ru/main.css could save 590B (21% reduction) after compression.

irro.ru Desktop Resource Breakdown

Total Resources	42
Number of Hosts	2
Static Resources	40
JavaScript Resources	13
CSS Resources	3

irro.ru mobile page speed rank

Last tested: 2017-05-21

Mobile Speed Bad

44/100

irro.ru Mobile Speed Test Quick Summary

priority - 80Optimize images

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

Optimize the following images to reduce their size by 784.6KiB (70% reduction).

Compressing http://irro.ru/photos/104879.jpg could save 128.7KiB (71% reduction).
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Compressing http://irro.ru/photos/834938.jpg could save 92.9KiB (74% reduction).
Compressing http://irro.ru/photos/290308.jpg could save 91.8KiB (73% reduction).
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priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 11 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

http://irro.ru/main.css
http://irro.ru/js/lightbox/lightbox.css
http://irro.ru/js/vi.css

priority - 30Leverage 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 - 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 3.7KiB (40% reduction).

priority - 0Minify 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 590B (21% reduction).

Minifying http://irro.ru/main.css could save 590B (21% reduction) after compression.

irro.ru Mobile Resource Breakdown

Total Resources	42
Number of Hosts	2
Static Resources	40
JavaScript Resources	13
CSS Resources	3

irro.ru mobile page usability

Last tested: 2017-05-21

Mobile Usability Bad

57/100

irro.ru Mobile Usability Test Quick Summary

priority - 33Use 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.

Версия для слабовидящих renders only 5 pixels tall (14 CSS pixels).

«Институт разв…я образования» and 1 others render only 8 pixels tall (20 CSS pixels).

Сведения об об…ой организации and 5 others render only 7 pixels tall (18 CSS pixels).

Новости renders only 7 pixels tall (18 CSS pixels).

Деятельность and 4 others render only 7 pixels tall (18 CSS pixels).

Календарь and 2 others render only 7 pixels tall (18 CSS pixels).

Мастер-класс «…происшествия» and 1 others render only 6 pixels tall (16 CSS pixels).

Уважаемые колл…ихологии УрФУ. and 1 others render only 5 pixels tall (14 CSS pixels).

ПОДРОБНЕЕ >>> and 1 others render only 5 pixels tall (14 CSS pixels).

⇐ and 1 others render only 5 pixels tall (12 CSS pixels).

Май 2017 renders only 5 pixels tall (12 CSS pixels).

ПН and 6 others render only 5 pixels tall (12 CSS pixels).

10 and 30 others render only 5 pixels tall (12 CSS pixels).

Газета "Учител…№1 (22) март and 2 others render only 8 pixels tall (20 CSS pixels).

Портал поддерж…овской области and 7 others render only 5 pixels tall (14 CSS pixels).

// renders only 5 pixels tall (14 CSS pixels).

priority - 20Size 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="vipanel" class="vipanel">Версия для слабовидящих</div> is close to 1 other tap targets.

The tap target <a href="index.php?cid=10">Новости</a> and 5 others are close to other tap targets.

The tap target <input type="text" name="search"> is close to 1 other tap targets.

The tap target <input type="image"> is close to 2 other tap targets.

The tap target <div class="selected">Новости</div> is close to 3 other tap targets.

The tap target <div>Институт</div> and 4 others are close to other tap targets.

The tap target <div> and 2 others are close to other tap targets.

The tap target <div> and 25 others are close to other tap targets.

The tap target <span>1</span> and 30 others are close to other tap targets.

The tap target <a href="index.php?file=905477.pdf" class="fil">Газета "Учител…№1 (22) март</a> and 1 others are close to other tap targets.

priority - 18Size 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 1,200 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <a href="index.php?cid=5">Сведения об об…ой организации</a> falls outside the viewport.
The element <input type="text" name="search"> falls outside the viewport.
The element <input type="image"> falls outside the viewport.
The element <div>Аттестация</div> falls outside the viewport.
The element <div>ФГОС</div> falls outside the viewport.
The element <br> falls outside the viewport.
The element <div> falls outside the viewport.
The element <div class="pages"></div> falls outside the viewport.
The element <h2>Календарь</h2> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <span>⇐</span> falls outside the viewport.
The element <span>⇒</span> falls outside the viewport.
The element <div class="daysofweek">ПН</div> falls outside the viewport.
The element <div class="daysofweek">ВТ</div> falls outside the viewport.
The element <div class="daysofweek">СР</div> falls outside the viewport.
The element <div class="daysofweek">ЧТ</div> falls outside the viewport.
The element <div class="daysofweek">ПТ</div> falls outside the viewport.
The element <div class="daysofweek">СБ</div> falls outside the viewport.
The element <div class="daysofweek">ВС</div> falls outside the viewport.
The element <span>1</span> falls outside the viewport.
The element <span>2</span> falls outside the viewport.
The element <span>3</span> falls outside the viewport.
The element <span>4</span> falls outside the viewport.
The element <span>5</span> falls outside the viewport.
The element <span>6</span> falls outside the viewport.
The element <span>7</span> falls outside the viewport.
The element <span>8</span> falls outside the viewport.
The element <span>9</span> falls outside the viewport.
The element <span>10</span> falls outside the viewport.
The element <span>11</span> falls outside the viewport.
The element <span>12</span> falls outside the viewport.
The element <span>13</span> falls outside the viewport.
The element <span>14</span> falls outside the viewport.
The element <span>15</span> falls outside the viewport.
The element <span>16</span> falls outside the viewport.
The element <span>17</span> falls outside the viewport.
The element <span>18</span> falls outside the viewport.
The element <span>19</span> falls outside the viewport.
The element <span>20</span> falls outside the viewport.
The element <span>21</span> falls outside the viewport.
The element <span>22</span> falls outside the viewport.
The element <span>23</span> falls outside the viewport.
The element <span>24</span> falls outside the viewport.
The element <span>25</span> falls outside the viewport.
The element <span>26</span> falls outside the viewport.
The element <span>27</span> falls outside the viewport.
The element <span>28</span> falls outside the viewport.
The element <span>29</span> falls outside the viewport.
The element <span>30</span> falls outside the viewport.
The element <span>31</span> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <a href="index.php?cid=283" class="fil">Газета "Учитель"</a> falls outside the viewport.
The element <a href="index.php?file=905477.pdf" class="fil">Газета "Учител…№1 (22) март</a> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <img src="images/gou.jpg"> falls outside the viewport.
The element <img src="images/sdo.png"> 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.

irro.ru 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'> <html..."

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Line: 18 Column: 4 - 54
"...-8' /> <meta http-equiv='Content-Language' content='ru' /> <l..."

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

Line: 44 Column: 38 - 66
"...ndex.php'><img src='images/logo.png' /></a> <..." Line: 79 Column: 1208 - 1243
"...="_blank"><img src="/photos/706150thumb.jpg"/>Регион..." Line: 98 Column: 63 - 105
"...ass='fil'><img src='/admin/images/filetypes/pdf.png'>Газета..." Line: 98 Column: 174 - 216
"...ass='fil'><img src='/admin/images/filetypes/pdf.png'> Букле..."

Element “input” is missing required attribute “alt”.

Line: 59 Column: 264 - 334
"....submit;'><input type='image' src='images/search.png' onclick='this.form.submit'></form..."

Bad value “index.php?cid=10” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Line: 77 Column: 25 - 53
"...bsheader'><div lang='index.php?cid=10'>Новост..."

Bad value “index.php?cid=6” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Line: 77 Column: 67 - 94
"...ости</div><div lang='index.php?cid=6'>Инстит..."

Bad value “index.php?cid=7” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Line: 77 Column: 109 - 136
"...итут</div><div lang='index.php?cid=7'>Деятел..."

Bad value “index.php?cid=286” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Line: 77 Column: 155 - 184
"...ость</div><div lang='index.php?cid=286'>Слушат..."

Bad value “index.php?cid=8” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Line: 77 Column: 201 - 228
"...елям</div><div lang='index.php?cid=8'>Аттест..."

Bad value “index.php?cid=180” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Line: 77 Column: 245 - 274
"...ация</div><div lang='index.php?cid=180'>ФГОС</..."

Bad value “index.php?cid=408” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Line: 77 Column: 285 - 314
"...ФГОС</div><div lang='index.php?cid=408'>Олимпи..."

Bad value “1;8;1” for attribute “lang” on element “div”: The language subtag “1;8;1” is not a valid language subtag.

Line: 79 Column: 6 - 106
"...nt'> <div><div class='sliderrightleft' lang='1;8;1' style='width: 994px; height: 380px; left: 83px; top: 4px;'><div><..."

Start tag “a” seen but an element of the same type was already open.

Line: 79 Column: 1163 - 1207
"...?id=1861'><a href="http://rnp.irro.ru" target="_blank"><img s..." Line: 79 Column: 1395 - 1453
"...?id=1353'><a target="_blank" href="http://www.uraledu.ru/node/42133">Фестив..." Line: 79 Column: 4775 - 4819
"...?cid=193'><a target="_blank" href="http://gou.irro.ru">Портал..." Line: 79 Column: 5270 - 5316
"...?cid=177'><a href="http://kais.irro.ru" target="_blank">КАИС И..." Line: 79 Column: 6657 - 6685
"...?cid=287'><a href="/index.php?cid=56">Повыше..." Line: 79 Column: 6884 - 6912
"...?cid=289'><a href="/index.php?cid=57">Профес..." Line: 79 Column: 6991 - 7020
"...?cid=290'><a href="/index.php?id=2089">Внебюд..." Line: 79 Column: 7197 - 7243
"...?cid=291'><a href="http://kais.irro.ru" target="_blank">КАИС И..." Line: 79 Column: 7791 - 7835
"...p?cid=75'><a href="http://ege.edu.ru/" target="_blank">ЕГЭ</a..." Line: 79 Column: 7874 - 7918
"...p?cid=74'><a href="http://gia.edu.ru/" target="_blank">ОГЭ</a..."

Stray end tag “a”.

Line: 79 Column: 1289 - 1292
"...</a><br /></a></div>..." Line: 79 Column: 1493 - 1496
"...</a><br /></a></div>..." Line: 79 Column: 4903 - 4906
"...бласти</a></a></div>..." Line: 79 Column: 5329 - 5332
"...ИС ИРО</a></a><a hre..." Line: 79 Column: 6712 - 6715
"...икации</a></a><a hre..." Line: 79 Column: 6948 - 6951
"...отовка</a></a></div>..." Line: 79 Column: 7050 - 7053
"...ьность</a></a></div>..." Line: 79 Column: 7256 - 7259
"...ИС ИРО</a></a></di..." Line: 79 Column: 7843 - 7846
"...k">ЕГЭ</a></a><a hre..." Line: 79 Column: 7926 - 7929
"...k">ОГЭ</a></a></div>..."

Bad value “1;6;1” for attribute “lang” on element “div”: The language subtag “1;6;1” is not a valid language subtag.

Line: 83 Column: 2 - 80
"...2><hr /> <div class='sliderrightleft' lang='1;6;1' style='width: 450px; height: 230px;'><div><..." Line: 89 Column: 2 - 80
"...2><hr /> <div class='sliderrightleft' lang='1;6;1' style='width: 450px; height: 230px;'><div><..."

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

Line: 84 Column: 1 - 31
"...беля , 71 <p style="text-align: center;"><a hre..."

Stray end tag “span”.

Line: 85 Column: 1 - 7
"...;" /></a> </span><a hre..."

End tag “div” seen, but there were open elements.

Line: 85 Column: 53 - 58
"...ЕЕ >>></a></div><div><..."

Unclosed element “span”.

Line: 83 Column: 889 - 907
"...форт"</h3><span class='info'>Уважае..."

Stray end tag “div”.

Line: 120 Column: 1 - 6
"... </div> </div> <!--..."

No space between attributes.

Line: 182 Column: - 119
"...='#' id='close'; ><img src='im..." Line: 182 Column: - 204
"...' align='right'; /></a><div cl..."

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

Line: 182 Column: 97 - 121
"...ния</span><a href='#' id='close'; ><img s..."

Bad value “40px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.

Line: 182 Column: 122 - 207
"...'close'; ><img src='images/close.png' height='40px' width='40px' alt='закрыть' align='right'; /></a><d..."

Bad value “40px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

Line: 182 Column: 122 - 207
"...'close'; ><img src='images/close.png' height='40px' width='40px' alt='закрыть' align='right'; /></a><d..."

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

Line: 182 Column: 122 - 207
"...'close'; ><img src='images/close.png' height='40px' width='40px' alt='закрыть' align='right'; /></a><d..."

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

Line: 182 Column: 122 - 207
"...'close'; ><img src='images/close.png' height='40px' width='40px' alt='закрыть' align='right'; /></a><d..."

Bad value “99%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.

Line: 182 Column: 230 - 341
"...ss='fram'><iframe frameborder='0' height='99%' name='nav' src='/nav2.htm' title='Навигатор по ресурсам ИРО' width='99%'></ifra..."

Bad value “99%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

Line: 182 Column: 230 - 341
"...ss='fram'><iframe frameborder='0' height='99%' name='nav' src='/nav2.htm' title='Навигатор по ресурсам ИРО' width='99%'></ifra..."

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

Line: 182 Column: 230 - 341
"...ss='fram'><iframe frameborder='0' height='99%' name='nav' src='/nav2.htm' title='Навигатор по ресурсам ИРО' width='99%'></ifra..."

End tag for “body” seen, but there were unclosed elements.

Line: 198 Column: 1 - 7
"...</script> </body> </htm..."

Unclosed element “div”.

Line: 178 Column: 1 - 22
"...nter --> <div class='dm-table'> ..."

Warnings

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

Line: 38 Column: - 7
"...d><body>   <!-------------------..."

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

Line: 61 Column: 8 - 32
"...v> </nav> <section class='content'> <div..."

Attribute “;” is not serializable as XML 1.0.

Line: 182 Column: 97 - 121
"...ния</span><a href='#' id='close'; ><img s..." Line: 182 Column: 122 - 207
"...'close'; ><img src='images/close.png' height='40px' width='40px' alt='закрыть' align='right'; /></a><d..."

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'> <head..."

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irro.ru 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.

irro.ru 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.

IRRO.RU Институт развития образования

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irro.ru Desktop Speed Test Quick Summary

priority - 87Optimize images

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

Optimize the following images to reduce their size by 848.4KiB (75% reduction).

priority - 20Leverage 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 11 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

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 3.7KiB (40% reduction).

priority - 0Minify 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 590B (21% reduction).

irro.ru Desktop Resource Breakdown

irro.ru mobile page speed rank

irro.ru Mobile Speed Test Quick Summary

priority - 80Optimize images

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

Optimize the following images to reduce their size by 784.6KiB (70% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 11 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 30Leverage 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 - 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 3.7KiB (40% reduction).

priority - 0Minify 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 590B (21% reduction).

irro.ru Mobile Resource Breakdown

irro.ru mobile page usability

irro.ru Mobile Usability Test Quick Summary

priority - 33Use 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 - 20Size 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 - 18Size 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 1,200 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.

irro.ru HTML validation

Errors

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

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

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

Element “input” is missing required attribute “alt”.

Bad value “index.php?cid=10” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Bad value “index.php?cid=6” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Bad value “index.php?cid=7” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Bad value “index.php?cid=286” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Bad value “index.php?cid=8” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Bad value “index.php?cid=180” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Bad value “index.php?cid=408” for attribute “lang” on element “div”: Subtags must not exceed 8 characters in length.

Bad value “1;8;1” for attribute “lang” on element “div”: The language subtag “1;8;1” is not a valid language subtag.

Start tag “a” seen but an element of the same type was already open.

Stray end tag “a”.

Bad value “1;6;1” for attribute “lang” on element “div”: The language subtag “1;6;1” is not a valid language subtag.

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

Stray end tag “span”.

End tag “div” seen, but there were open elements.

Unclosed element “span”.

Stray end tag “div”.