catalysis.ru Website Information

Daily Unique Visits: 8,320

Daily Page Views: 41,600

Income Per Day: $104

Estimated Value: $62,400

This website is located in Russian Federation and is using following IP address 84.237.116.80. See the complete list of popular websites hosted in Russian Federation.

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

Website catalysis.ru is using the following name servers:

mate.catalysis.ru
tea.catalysis.ru

and is probably hosted by Institute of Computational Technologies of SB RAS. See the full list of other websites hosted by Institute of Computational Technologies of SB RAS.

The highest website catalysis.ru position in Alexa rank database was 43080 and the lowest rank position was 999915. Current position of catalysis.ru in Alexa rank database is 163766.

Desktop speed score of catalysis.ru (73/100) is better than the results of 56.16% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of catalysis.ru (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.

Mobile speed score of catalysis.ru (60/100) is better than the results of 54.7% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

catalysis.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.

catalysis.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: CATALYSIS.RU
nserver: mate.catalysis.ru. 84.237.116.53
nserver: tea.catalysis.ru. 84.237.95.53
state: REGISTERED, DELEGATED, VERIFIED
org: Federal state budgetary institution of science "Federal research center "Institute of catalysis. G. K. Boreskov of the Siberian branch of the Russian Academy of Sciences
registrar: RU-CENTER-RU
admin-contact: https://www.nic.ru/whois
created: 2003-04-16T20:00:00Z
paid-till: 2022-04-16T21:00:00Z
free-date: 2022-05-18
source: TCI

Last updated on 2022-02-15T20:06:30Z

catalysis.ru server information

Servers Location

catalysis.ru desktop page speed rank

Last tested: 2015-10-21

Desktop Speed Medium

73/100

catalysis.ru Desktop Speed Test Quick Summary

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://catalysis.ru/bitrix/templates/catalysis.ru/…ery.easing-1.3.pack.js (expiration not specified)
http://catalysis.ru/bitrix/templates/catalysis.ru/…ery.fancybox-1.3.4.css (expiration not specified)
http://catalysis.ru/bitrix/templates/catalysis.ru/…fancybox-1.3.4.pack.js (expiration not specified)
http://catalysis.ru/bitrix/templates/catalysis.ru/…usewheel-3.0.4.pack.js (expiration not specified)
http://catalysis.ru/bitrix/templates/catalysis.ru/images/50years_ru.jpg (expiration not specified)
http://catalysis.ru/bitrix/templates/catalysis.ru/…o_BIC2013_55_small.png (expiration not specified)
http://catalysis.ru/bitrix/templates/catalysis.ru/images/back_01.gif (expiration not specified)
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http://catalysis.ru/bitrix/templates/catalysis.ru/images/bl_blue.gif (expiration not specified)
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http://catalysis.ru/bitrix/templates/catalysis.ru/…AC_RunActiveContent.js (expiration not specified)
http://catalysis.ru/bitrix/templates/catalysis.ru/scripts/lib.js (expiration not specified)
http://catalysis.ru/resources/science/conferences/…_2014/otchet/baner.gif (expiration not specified)
http://catalysis.ru/upload/iblock/20c/edu_news.gif (expiration not specified)
http://catalysis.ru/upload/iblock/396/bibl_news.gif (expiration not specified)
http://catalysis.ru/upload/iblock/50c/photo_01.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/5c6/photo_01.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/60f/hitech-mini.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/62b/ideas.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/65a/photo_01.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/691/photo_02.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/746/expo.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/84b/bic_news_rus.gif (expiration not specified)
http://catalysis.ru/upload/iblock/8bd/tech_news.gif (expiration not specified)
http://catalysis.ru/upload/iblock/a08/tehnoprom2013.gif (expiration not specified)
http://catalysis.ru/upload/iblock/bcb/innov.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/c27/chem.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/c33/%D1%82%D0%B5…D1%80%D0%BE%D0%BC2.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/cf9/ideas.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/e1b/%D0%9B%D0%BE…82-85-%D0%BF%D0%BA.jpg (expiration not specified)
http://catalysis.ru/upload/iblock/e67/bic_news_rus.gif (expiration not specified)
https://mc.yandex.ru/metrika/watch.js (60 minutes)

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

Your page has 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://catalysis.ru/bitrix/templates/catalysis.ru/scripts/lib.js
http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js
http://catalysis.ru/bitrix/templates/catalysis.ru/…fancybox-1.3.4.pack.js
http://catalysis.ru/bitrix/templates/catalysis.ru/…ery.easing-1.3.pack.js
http://catalysis.ru/bitrix/templates/catalysis.ru/…usewheel-3.0.4.pack.js
http://catalysis.ru/bitrix/templates/catalysis.ru/…AC_RunActiveContent.js

Optimize CSS Delivery of the following:

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http://catalysis.ru/bitrix/templates/catalysis.ru/…ery.fancybox-1.3.4.css

priority - 4Enable 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 36.4KiB (71% reduction).

Compressing http://catalysis.ru/bitrix/templates/catalysis.ru/…fancybox-1.3.4.pack.js could save 9.8KiB (64% reduction).
Compressing http://catalysis.ru/bitrix/cache/css/ru/catalysis.…18.css?144402329511061 could save 8.9KiB (82% reduction).
Compressing http://catalysis.ru/bitrix/templates/catalysis.ru/…ery.fancybox-1.3.4.css could save 6.9KiB (79% reduction).
Compressing http://catalysis.ru/bitrix/templates/catalysis.ru/…AC_RunActiveContent.js could save 5.8KiB (70% reduction).
Compressing http://catalysis.ru/bitrix/templates/catalysis.ru/…ery.easing-1.3.pack.js could save 4.4KiB (67% reduction).
Compressing http://catalysis.ru/bitrix/templates/catalysis.ru/…usewheel-3.0.4.pack.js could save 602B (48% reduction).

priority - 3Optimize images

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

Optimize the following images to reduce their size by 21.3KiB (20% reduction).

Losslessly compressing http://catalysis.ru/bitrix/templates/catalysis.ru/images/50years_ru.jpg could save 14.8KiB (28% reduction).
Losslessly compressing http://catalysis.ru/upload/iblock/a08/tehnoprom2013.gif could save 1.3KiB (32% reduction).
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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 7.1KiB (24% reduction).

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Minifying http://catalysis.ru/bitrix/templates/catalysis.ru/…AC_RunActiveContent.js could save 3.1KiB (39% reduction).
Minifying http://catalysis.ru/bitrix/templates/catalysis.ru/…fancybox-1.3.4.pack.js could save 590B (4% 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 3.5KiB (19% reduction).

Minifying http://catalysis.ru/bitrix/cache/css/ru/catalysis.…18.css?144402329511061 could save 1.8KiB (17% reduction).
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priority - 0Reduce server response time

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 599B (11% reduction).

Minifying http://catalysis.ru/ could save 599B (11% reduction) after compression.

catalysis.ru Desktop Resource Breakdown

Total Resources	46
Number of Hosts	3
Static Resources	41
JavaScript Resources	8
CSS Resources	2

catalysis.ru mobile page speed rank

Last tested: 2019-08-17

Mobile Speed Bad

60/100

catalysis.ru Mobile Speed Test Quick Summary

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

Your page has 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

http://catalysis.ru/bitrix/cache/css/ru/catalysis.…18.css?144402329511061
http://catalysis.ru/bitrix/templates/catalysis.ru/…ery.fancybox-1.3.4.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 - 4Enable 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 36.4KiB (71% reduction).

priority - 3Optimize images

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

Optimize the following images to reduce their size by 21.3KiB (20% 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 7.1KiB (24% 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 3.5KiB (19% reduction).

priority - 0Reduce server response time

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 599B (11% reduction).

Minifying http://catalysis.ru/ could save 599B (11% reduction) after compression.

catalysis.ru Mobile Resource Breakdown

Total Resources	46
Number of Hosts	3
Static Resources	41
JavaScript Resources	8
CSS Resources	2

catalysis.ru mobile page usability

Last tested: 2019-08-17

Mobile Usability Bad

62/100

catalysis.ru 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.

Институт катал…рескова СО РАН renders only 8 pixels tall (21 CSS pixels).

Расширенный поиск and 3 others render only 4 pixels tall (11 CSS pixels).

| and 2 others render only 4 pixels tall (11 CSS pixels).

English renders only 4 pixels tall (11 CSS pixels).

| renders only 4 pixels tall (11 CSS pixels).

Образование and 6 others render only 4 pixels tall (12 CSS pixels).

Институт катал…25.12.2015 г. and 27 others render only 4 pixels tall (13 CSS pixels).

Основным напра…х превращений. and 3 others render only 4 pixels tall (11 CSS pixels).

Г.К. Боресков. renders only 4 pixels tall (11 CSS pixels).

Библиотека - новые поступления and 15 others render only 4 pixels tall (11 CSS pixels).

Диссертационный совет and 3 others render only 6 pixels tall (16 CSS pixels).

Конференции 20…атализа СО РАН and 3 others render only 4 pixels tall (13 CSS pixels).

| renders only 4 pixels tall (13 CSS pixels).

28 Сентября 2015 and 14 others render only 4 pixels tall (11 CSS pixels).

| and 14 others render only 4 pixels tall (11 CSS pixels).

Авторефераты и диссертации and 1 others render only 4 pixels tall (12 CSS pixels).

XII Европейски…емых ресурсов» renders only 4 pixels tall (12 CSS pixels).

● 4-ая Междуна…ой реализации» and 5 others render only 4 pixels tall (12 CSS pixels).

Конференции 2016 года renders only 4 pixels tall (12 CSS pixels).

2015 год and 1 others render only 4 pixels tall (13 CSS pixels).

priority - 15Size 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="/auth.php?login=yes">Вход</a> and 3 others are close to other tap targets.

The tap target <a href="http://en.catalysis.ru">English</a> is close to 2 other tap targets.

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

The tap target <input type="submit" name="Submit" class="button"> is close to 4 other tap targets.

The tap target <a href="/block/index.php?ID=1">Институт</a> and 4 others are close to other tap targets.

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

The tap target <a href="/news/list.php?ID=68">Конкурсы вакантных должностей</a> and 14 others are close to other tap targets.

The tap target <a href="http://www.cat…l.php?ID=28883">Институт катал…25.12.2015 г.</a> and 29 others are close to other tap targets.

The tap target <a href="/block/index.p…ECTION_ID=1843">Объявления о защитах</a> and 1 others are close to other tap targets.

The tap target <a href="http://www.cat…&SECTION_ID=16">Конференции 20…атализа СО РАН</a> and 2 others are close to other tap targets.

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.

catalysis.ru HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 121
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."

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

Line: 43 Column: 2 - 41
"...ref="/"> <img src="/bitrix/templates/catalysis.ru/images/logo_01_ru.gif" alt="На главную" border="0" vspace="8"/></a> ..."

Duplicate ID “auto”.

Line: 68 Column: 1 - 28
"... menu --> <div class="menu" id="auto"> <!-..." Line: 102 Column: 1 - 29
"...menu --> <div id="auto" class="flash"> <img ..." Line: 106 Column: 1 - 33
"... body --> <div class="container" id="auto"> <div..."

Bad value “1” for attribute “selected” on element “option”.

Line: 90 Column: 2 - 51
"....value"> <option value="http://catalysis.ru" SELECTED="1" >Инстит..."

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

Line: 103 Column: 1 - 75
"...="flash"> <img border="0" src="/bitrix/templates/catalysis.ru/images/50years_ru.jpg"> </d..." Line: 183 Column: 5 - 49
"...177"> <img src="/upload/iblock/test/Banner-60.jpg"> <span..." Line: 190 Column: 5 - 48
"...159"> <img src="/upload/iblock/test/Disser-2.jpg"> <span..." Line: 198 Column: 2 - 45
"...p?ID=3"> <img src="/upload/iblock/test/Research.jpg"> <span..." Line: 210 Column: 2 - 47
"...D=2007"> <img src="/upload/iblock/test/Students-2.jpg"> <spa..." Line: 222 Column: 5 - 87
"...<div> <h2><img src="/bitrix/templates/catalysis.ru/images/p_04.gif" width="11" height="11" /> <a hr..." Line: 222 Column: 133 - 215
"...лам</a> | <img src="/bitrix/templates/catalysis.ru/images/p_04.gif" width="11" height="11" /> <a hr..." Line: 232 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/cac/Frame-diploma-18.JPG" width="74" height="74" /> <a ..." Line: 241 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/bde/Sand-frame.jpg" width="74" height="74" /> <a ..." Line: 250 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/9cd/8-6-Vesti-frame.jpg" width="74" height="74" /> <a ..." Line: 259 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/290/8-6-OTS-frame.jpg" width="74" height="74" /> <a ..." Line: 268 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/16d/MSU-BIC-frame.jpg" width="74" height="74" /> <a ..." Line: 277 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/2e2/Frame-DOD.jpg" width="75" height="74" /> <a ..." Line: 286 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/1a6/Frame-MK-18.jpg" width="74" height="74" /> <a ..." Line: 295 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/b5a/Frame-Gabrienko.jpg" width="74" height="74" />..." Line: 304 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/04e/Frame-SW-18.jpg" width="74" height="74" /> <a ..." Line: 313 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/04a/Frame-Dir-2018.jpg" width="74" height="74" /> <a ..." Line: 322 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/be1/АФИША_ДОД5-web-fr.jpg" width="400" height="81" /> <a ..." Line: 331 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/974/Frame-MaPaW.jpg" width="74" height="74" /> <a ..." Line: 340 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/d3b/Frame-Pres-2018.jpg" width="74" height="74" /> <a ..." Line: 349 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/a9d/Frame-Fishing-2018.jpg" width="74" height="74" /> <a ..." Line: 358 Column: 3 - 14
"...> <h2> <img src="/upload/iblock/f4d/Frame-70-2.JPG" width="74" height="74" /> <a ..." Line: 368 Column: 51 - 119
"...ID=2308"><img src="/bitrix/templates/catalysis.ru/images/Banner-60-260.jpg" /></a> ..." Line: 377 Column: 1 - 61
"...et-"new"> <img src="/resources/science/conferences/Conferences.jpg"</a></div>..."

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

Line: 109 Column: 1 - 7
"...s="left"> <style> .le..."

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Line: 376 Column: - 55
"...ID=16" target-"new"> <img src=..." Line: 376 Column: - 59
"...6" target-"new"> <img src="/re..."

Attribute “target-"new"” not allowed on element “a” at this point.

Line: 376 Column: 1 - 60
"...p: 5px;"> <a href="/block/index.php?ID=2&SECTION_ID=16" target-"new"> <img s..." Line: 377 Column: - 68
"...</a></div> <div ..."

No space between attributes.

Line: 377 Column: - 58
"...onferences.jpg"</a></div> <di..."

Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.

Line: 377 Column: - 58
"...onferences.jpg"</a></div> <di..."

A slash was not immediately followed by “>”.

Line: 377 Column: - 60
"...ferences.jpg"</a></div> <div ..."

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

Line: 377 Column: 1 - 61
"...et-"new"> <img src="/resources/science/conferences/Conferences.jpg"</a></div>..."

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

Line: 377 Column: 1 - 61
"...et-"new"> <img src="/resources/science/conferences/Conferences.jpg"</a></div>..."

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

Line: 377 Column: 62 - 67
"...s.jpg"</a></div> <div..."

Unclosed element “a”.

Line: 376 Column: 1 - 60
"...p: 5px;"> <a href="/block/index.php?ID=2&SECTION_ID=16" target-"new"> <img s..."

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

Line: 380 Column: 1 - 48
"...p: 5px;"> <a href="http://conf.nsc.ru/CR_23" target="new"> <img ..."

End tag “a” violates nesting rules.

Line: 380 Column: 1 - 48
"...p: 5px;"> <a href="http://conf.nsc.ru/CR_23" target="new"> <img ..."

Cannot recover after last error. Any further errors will be ignored.

Line: 380 Column: 1 - 48
"...p: 5px;"> <a href="http://conf.nsc.ru/CR_23" target="new"> <img ..."

Warnings

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

Line: 10 Column: 1 - 82
"...script> <script language="JavaScript" src="/bitrix/templates/catalysis.ru/scripts/lib.js"></scri..."

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

Line: 43 Column: 2 - 41
"...ref="/"> <img src="/bitrix/templates/catalysis.ru/images/logo_01_ru.gif" alt="На главную" border="0" vspace="8"/></a> ..." Line: 103 Column: 1 - 75
"...="flash"> <img border="0" src="/bitrix/templates/catalysis.ru/images/50years_ru.jpg"> </d..."

The first occurrence of ID “auto” was here.

Line: 36 Column: 1 - 30
"...eader --> <div class="header" id="auto">  <div class="header" id="auto">  <div class="header" id="auto"> <!--..."

Attribute “target-"new"” is not serializable as XML 1.0.

Line: 376 Column: 1 - 60
"...p: 5px;"> <a href="/block/index.php?ID=2&SECTION_ID=16" target-"new"> <img s..."

Attribute “<” is not serializable as XML 1.0.

Line: 377 Column: 1 - 61
"...et-"new"> <img src="/resources/science/conferences/Conferences.jpg"</a></div>..."

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catalysis.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.

catalysis.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.

CATALYSIS.RU Website Information

catalysis.ru Website Information

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Servers Location

catalysis.ru desktop page speed rank

catalysis.ru Desktop Speed Test Quick Summary

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 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 4Enable 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 36.4KiB (71% reduction).

priority - 3Optimize images

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

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priority - 1Minify JavaScript

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

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priority - 0Minify CSS

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priority - 0Reduce server response time

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catalysis.ru Desktop Resource Breakdown

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catalysis.ru Mobile Speed Test Quick Summary

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

Your page has 6 blocking script resources and 2 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 - 4Enable compression

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

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priority - 3Optimize images

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priority - 1Minify JavaScript

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Minify JavaScript for the following resources to reduce their size by 7.1KiB (24% 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 3.5KiB (19% reduction).

priority - 0Reduce server response time

priority - 0Minify HTML

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catalysis.ru 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 - 15Size 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.

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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.

catalysis.ru HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

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

Duplicate ID “auto”.

Bad value “1” for attribute “selected” on element “option”.

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

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

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “target-"new"” not allowed on element “a” at this point.

No space between attributes.