librus.pl Website Information
Daily Unique Visits: 12,350
Daily Page Views: 61,750
Income Per Day: $154
Estimated Value: $92,400
This website is located in Poland and is using following IP address 46.248.183.28. See the complete list of popular websites hosted in Poland.
librus.pl is registered under .PL top-level domain. Please check other sites in .PL zone.
Website librus.pl is using the following name servers:
- ns1.iq.pl
- ns2.iq.pl
and is probably hosted by IQ PL Sp. z o.o.. See the full list of other websites hosted by IQ PL Sp. z o.o..
The highest website librus.pl position in Alexa rank database was 94721 and the lowest rank position was 201945. Current position of librus.pl in Alexa rank database is 110321.
Desktop speed score of librus.pl (47/100) is better than the results of 20.85% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of librus.pl (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.
Mobile speed score of librus.pl (41/100) is better than the results of 20.18% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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librus.pl 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.
librus.pl whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
DOMAIN NAME: librus.pl
registrant type: organization
nameservers: ns1.iq.pl. [86.111.241.10]
ns2.iq.pl. [87.98.237.225]
ns3.iq.pl. [86.111.243.10]
created: 2002.09.14 13:00:00
last modified: 2024.08.16 09:05:04
renewal date: 2025.09.13 14:00:00
no option
dnssec: Unsigned
REGISTRAR:
Alphanet sp. z o.o.
ul. Małobądzka 4A
41-214 Sosnowiec
+48.32 4416346
domeny@alpha.pl
WHOIS database responses: https://dns.pl/en/whois
WHOIS displays data with a delay not exceeding 15 minutes in relation to the .pl Registry system
registrant type: organization
nameservers: ns1.iq.pl. [86.111.241.10]
ns2.iq.pl. [87.98.237.225]
ns3.iq.pl. [86.111.243.10]
created: 2002.09.14 13:00:00
last modified: 2024.08.16 09:05:04
renewal date: 2025.09.13 14:00:00
no option
dnssec: Unsigned
REGISTRAR:
Alphanet sp. z o.o.
ul. Małobądzka 4A
41-214 Sosnowiec
+48.32 4416346
domeny@alpha.pl
WHOIS database responses: https://dns.pl/en/whois
WHOIS displays data with a delay not exceeding 15 minutes in relation to the .pl Registry system
librus.pl server information
Servers Location
librus.pl desktop page speed rank
Last tested: 2020-03-26
Desktop Speed
Bad
47/100
librus.pl Desktop Speed Test Quick Summary
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priority - 30Leverage browser caching
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https://www.librus.pl/wp-content/uploads/2016/12/PCG_Akademia_kolor.png (2 hours)
https://www.librus.pl/wp-content/uploads/2016/12/PCG_Akademia_szary.png (2 hours)
https://www.librus.pl/wp-content/uploads/2017/05/b…dd_librus_19052017.png (2 hours)
https://www.librus.pl/wp-content/uploads/2017/10/b…ibrus_jmp_11102017.png (2 hours)
https://www.librus.pl/wp-content/uploads/2017/11/Banner_Librus_SMOG-1.png (2 hours)
https://www.librus.pl/wp-content/uploads/2018/02/B…_Smog_990_19022018.jpg (2 hours)
https://www.librus.pl/wp-content/uploads/2018/03/M…ermoc_06032018_990.jpg (2 hours)
https://www.librus.pl/wp-content/uploads/2018/03/b…_libruspl_13032018.jpg (2 hours)
https://www.librus.pl/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1 (2 hours)
https://www.librus.pl/wp-includes/js/jquery/jquery.js?ver=1.12.4 (2 hours)
https://www.librus.pl/wp-includes/js/wp-embed.min.js?ver=4.8.3 (2 hours)
https://www.librus.pl/wp-includes/js/wp-emoji-release.min.js?ver=4.8.3 (2 hours)
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 9 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.librus.pl/wp-content/plugins/nextgen-g…atic/ajax.js?ver=4.8.3
https://www.librus.pl/wp-includes/js/jquery/jquery.js?ver=1.12.4
https://www.librus.pl/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
https://www.librus.pl/wp-content/plugins/nextgen-g…c/persist.js?ver=4.8.3
https://www.librus.pl/wp-content/plugins/nextgen-g…tic/store.js?ver=4.8.3
https://www.librus.pl/wp-content/plugins/nextgen-g…ngg_store.js?ver=4.8.3
https://www.librus.pl/wp-content/plugins/nextgen-g…x_context.js?ver=4.8.3
https://www.librus.pl/wp-content/themes/librus/ass….min.js?ver=1508418622
https://www.librus.pl/wp-includes/js/wp-embed.min.js?ver=4.8.3
https://www.librus.pl/wp-includes/js/jquery/jquery.js?ver=1.12.4
https://www.librus.pl/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
https://www.librus.pl/wp-content/plugins/nextgen-g…c/persist.js?ver=4.8.3
https://www.librus.pl/wp-content/plugins/nextgen-g…tic/store.js?ver=4.8.3
https://www.librus.pl/wp-content/plugins/nextgen-g…ngg_store.js?ver=4.8.3
https://www.librus.pl/wp-content/plugins/nextgen-g…x_context.js?ver=4.8.3
https://www.librus.pl/wp-content/themes/librus/ass….min.js?ver=1508418622
https://www.librus.pl/wp-includes/js/wp-embed.min.js?ver=4.8.3
Optimize CSS Delivery of the following:
https://www.librus.pl/wp-content/themes/librus/ass…e.min.css?v=1508418622
https://www.librus.pl/wp-content/themes/librus/sty…n.min.css?v=1492680876
https://www.librus.pl/fancybox/jquery.fancybox-1.3.4.css
https://www.librus.pl/wp-content/plugins/nextgen-g…d_images.css?ver=4.8.3
https://www.librus.pl/wp-content/plugins/search-ev…e-styles.css?ver=4.8.3
https://www.librus.pl/wp-content/plugins/wp-pagena…enavi-css.css?ver=2.70
https://www.librus.pl/wp-content/themes/librus/sty…n.min.css?v=1492680876
https://www.librus.pl/fancybox/jquery.fancybox-1.3.4.css
https://www.librus.pl/wp-content/plugins/nextgen-g…d_images.css?ver=4.8.3
https://www.librus.pl/wp-content/plugins/search-ev…e-styles.css?ver=4.8.3
https://www.librus.pl/wp-content/plugins/wp-pagena…enavi-css.css?ver=2.70
priority - 21Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 206.6KiB (32% reduction).
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priority - 20Reduce server response time
priority - 8Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 68% of the final above-the-fold content could be rendered with the full HTML response.
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 1.9KiB (13% reduction).
Minifying https://www.librus.pl/ could save 1.9KiB (13% 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 595B (32% reduction).
Minifying https://www.librus.pl/fancybox/jquery.fancybox-1.3.4.css could save 595B (32% reduction) after compression.
librus.pl Mobile Resource Breakdown
| Total Resources | 128 |
| Number of Hosts | 9 |
| Static Resources | 120 |
| JavaScript Resources | 21 |
| CSS Resources | 8 |
librus.pl mobile page usability
Last tested: 2018-03-17
Mobile Usability
Good
96/100
librus.pl Mobile Usability Test Quick Summary
priority - 3Size 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="https://synergia.librus.pl/">LIBRUS Synergia™</a> and 11 others are close to other tap targets.The tap target
<div id="cookieBoxClose" class="cookieBoxClose">x</div> is close to 3 other tap targets.The tap target
<a href="javascript: void(null);">x</a> is close to 2 other tap targets.librus.pl HTML validation
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
Line: 32 Column: 5 - 101
"...dly"> <meta name="viewport" content="width=959, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <..."
"...dly"> <meta name="viewport" content="width=959, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <..."
The “type” attribute is unnecessary for JavaScript resources.
Line: 70 Column: 3 - 33
"...org' /> <script type="text/javascript"> wi..." Line: 89 Column: 1 - 81
"...='all' /> <script type='text/javascript' src='/wp-includes/js/jquery/jquery.js?ver=1.12.4'></scri..." Line: 90 Column: 1 - 92
"...</script> <script type='text/javascript' src='/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1'></scri..." Line: 91 Column: 1 - 108
"...</script> <script type='text/javascript' src='/wp-content/themes/librus/assets/js/scripts-home.min.js?ver=1565334186'></scri..." Line: 97 Column: 1 - 31
"...t=xml" /> <script type="text/javascript"> wind..." Line: 104 Column: 5 - 35
"...ript> <script type="text/javascript"> va..." Line: 207 Column: 9 - 39
"...> <script type="text/javascript"> ..." Line: 961 Column: 41 - 71
"... <script type="text/javascript"> ..." Line: 1081 Column: 37 - 115
"...marker --><script type='text/javascript' src='/wp-includes/js/wp-embed.min.js?ver=4.9.8'></scri..." Line: 1082 Column: 4 - 34
"...cript> <script type="text/javascript">functi..." Line: 1095 Column: 1 - 31
"...p> </div> <script type="text/javascript"> hide..." Line: 1098 Column: 1 - 31
"...</script> <script type="text/javascript"> funct..." Line: 1220 Column: 1 - 31
"...</script> <script type="text/javascript"> f..." Line: 1230 Column: 1 - 31
".../script> <script type="text/javascript"> </scr..." Line: 1233 Column: 2 - 32
"...script> <script type="text/javascript"> $(".f..."
"...org' /> <script type="text/javascript"> wi..." Line: 89 Column: 1 - 81
"...='all' /> <script type='text/javascript' src='/wp-includes/js/jquery/jquery.js?ver=1.12.4'></scri..." Line: 90 Column: 1 - 92
"...</script> <script type='text/javascript' src='/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1'></scri..." Line: 91 Column: 1 - 108
"...</script> <script type='text/javascript' src='/wp-content/themes/librus/assets/js/scripts-home.min.js?ver=1565334186'></scri..." Line: 97 Column: 1 - 31
"...t=xml" /> <script type="text/javascript"> wind..." Line: 104 Column: 5 - 35
"...ript> <script type="text/javascript"> va..." Line: 207 Column: 9 - 39
"...> <script type="text/javascript"> ..." Line: 961 Column: 41 - 71
"... <script type="text/javascript"> ..." Line: 1081 Column: 37 - 115
"...marker --><script type='text/javascript' src='/wp-includes/js/wp-embed.min.js?ver=4.9.8'></scri..." Line: 1082 Column: 4 - 34
"...cript> <script type="text/javascript">functi..." Line: 1095 Column: 1 - 31
"...p> </div> <script type="text/javascript"> hide..." Line: 1098 Column: 1 - 31
"...</script> <script type="text/javascript"> funct..." Line: 1220 Column: 1 - 31
"...</script> <script type="text/javascript"> f..." Line: 1230 Column: 1 - 31
".../script> <script type="text/javascript"> </scr..." Line: 1233 Column: 2 - 32
"...script> <script type="text/javascript"> $(".f..."
The “type” attribute for the “style” element is not needed and should be omitted.
Line: 74 Column: 3 - 25
"...script> <style type="text/css"> img.w..."
"...script> <style type="text/css"> img.w..."
The first occurrence of ID “homeCarouselNav” was here.
Line: 312 Column: 14 - 57
"... <div class="hidden-xs" id="homeCarouselNav"> ..." Line: 312 Column: 14 - 57
"... <div class="hidden-xs" id="homeCarouselNav"> ..." Line: 312 Column: 14 - 57
"... <div class="hidden-xs" id="homeCarouselNav"> ..."
"... <div class="hidden-xs" id="homeCarouselNav"> ..." Line: 312 Column: 14 - 57
"... <div class="hidden-xs" id="homeCarouselNav"> ..." Line: 312 Column: 14 - 57
"... <div class="hidden-xs" id="homeCarouselNav"> ..."
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Line: 2 Column: 16 - 17
"...TYPE html> <html id="start"> <head..."
"...TYPE html> <html id="start"> <head..."
Errors
Duplicate ID “homeCarouselNav”.
Line: 488 Column: 29 - 54
"... <div id="homeCarouselNav"> ..." Line: 531 Column: 29 - 54
"... <div id="homeCarouselNav"> ..." Line: 586 Column: 29 - 54
"... <div id="homeCarouselNav"> ..."
"... <div id="homeCarouselNav"> ..." Line: 531 Column: 29 - 54
"... <div id="homeCarouselNav"> ..." Line: 586 Column: 29 - 54
"... <div id="homeCarouselNav"> ..."
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librus.pl 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.
librus.pl 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.