vsem.cz Website Information
Daily Unique Visits: 828
Daily Page Views: 1,656
Income Per Day: $5
Estimated Value: $1,200
This website is located in Czech Republic and is using following IP address 178.238.36.190. See the complete list of popular websites hosted in Czech Republic.
vsem.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.
Website vsem.cz is using the following name servers:
- ns2.ignum.cz
- ns1.ignum.com
and is probably hosted by Master Internet s.r.o.. See the full list of other websites hosted by Master Internet s.r.o..
The highest website vsem.cz position in Alexa rank database was 28638 and the lowest rank position was 999963. Current position of vsem.cz in Alexa rank database is 865690.
Desktop speed score of vsem.cz (40/100) is better than the results of 14.88% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of vsem.cz (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.
Mobile speed score of vsem.cz (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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vsem.cz 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.
vsem.cz 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.
% (c) 2006-2021 CZ.NIC, z.s.p.o.
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
%
% See also a search service at http://www.nic.cz/whois/
%
%
% Whoisd Server Version: 3.15.0
% Timestamp: Tue Dec 17 18:25:06 2024
domain: vsem.cz
registrant: SB:SUB000011091-ZONER
admin-c: PER000011091-ZONER
nsset: NSS:IGNUM:1
keyset: WEBG-K-D0000612392-CZ
registrar: REG-WEBGLOBE
registered: 03.01.2003 16:37:00
changed: 25.02.2023 00:26:17
expire: 03.01.2026
contact: SB:SUB000011091-ZONER
org: Vysoka skola ekonomie a managementu, s.r.o.
name: Vysoka skola ekonomie a managementu, s.r.o.
address: Narodniho odboje 17
address: Usti nad Labem
address: 40003
address: CZ
registrar: REG-WEBGLOBE
created: 04.12.2002 16:00:00
changed: 15.05.2018 21:32:00
contact: PER000011091-ZONER
name: Jan Kaderabek
address: Narodniho odboje 17
address: Usti nad Labem
address: 40003
address: CZ
registrar: REG-WEBGLOBE
created: 04.12.2002 15:25:00
changed: 15.05.2018 21:32:00
nsset: NSS:IGNUM:1
nserver: ns1.ignum.com
nserver: ns2.ignum.cz
tech-c: IGNUM-DOMENY
registrar: REG-WEBGLOBE
created: 01.10.2007 02:00:00
changed: 11.12.2024 13:51:18
contact: IGNUM-DOMENY
org: IGNUM, s. r. o.
name: Giacomo Tognoni
address: Vinohradská 190
address: Praha 3
address: 130 61
address: CZ
e-mail: reg@webglobe.cz
registrar: REG-WEBGLOBE
created: 13.12.2012 10:40:09
changed: 10.01.2024 11:43:13
keyset: WEBG-K-D0000612392-CZ
dnskey: 257 3 13 B/aVXRDNogmBvxq+euIELLfwUXrT5x453eIDb8HHGZdCZqaZAOtWHa2VKh2oRfUfgHzmYDR+09CZa3uupaFeaw==
tech-c: IGNUM
registrar: REG-WEBGLOBE
created: 25.02.2023 00:26:16
changed: 01.10.2024 12:52:54
contact: IGNUM
org: Webglobe, s.r.o.
name: Giacomo Tognoni
address: Pobřežní 620/3
address: Praha
address: 18600
address: CZ
registrar: REG-WEBGLOBE
created: 17.03.2008 14:43:09
changed: 03.12.2024 14:04:22
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
%
% See also a search service at http://www.nic.cz/whois/
%
%
% Whoisd Server Version: 3.15.0
% Timestamp: Tue Dec 17 18:25:06 2024
domain: vsem.cz
registrant: SB:SUB000011091-ZONER
admin-c: PER000011091-ZONER
nsset: NSS:IGNUM:1
keyset: WEBG-K-D0000612392-CZ
registrar: REG-WEBGLOBE
registered: 03.01.2003 16:37:00
changed: 25.02.2023 00:26:17
expire: 03.01.2026
contact: SB:SUB000011091-ZONER
org: Vysoka skola ekonomie a managementu, s.r.o.
name: Vysoka skola ekonomie a managementu, s.r.o.
address: Narodniho odboje 17
address: Usti nad Labem
address: 40003
address: CZ
registrar: REG-WEBGLOBE
created: 04.12.2002 16:00:00
changed: 15.05.2018 21:32:00
contact: PER000011091-ZONER
name: Jan Kaderabek
address: Narodniho odboje 17
address: Usti nad Labem
address: 40003
address: CZ
registrar: REG-WEBGLOBE
created: 04.12.2002 15:25:00
changed: 15.05.2018 21:32:00
nsset: NSS:IGNUM:1
nserver: ns1.ignum.com
nserver: ns2.ignum.cz
tech-c: IGNUM-DOMENY
registrar: REG-WEBGLOBE
created: 01.10.2007 02:00:00
changed: 11.12.2024 13:51:18
contact: IGNUM-DOMENY
org: IGNUM, s. r. o.
name: Giacomo Tognoni
address: Vinohradská 190
address: Praha 3
address: 130 61
address: CZ
e-mail: reg@webglobe.cz
registrar: REG-WEBGLOBE
created: 13.12.2012 10:40:09
changed: 10.01.2024 11:43:13
keyset: WEBG-K-D0000612392-CZ
dnskey: 257 3 13 B/aVXRDNogmBvxq+euIELLfwUXrT5x453eIDb8HHGZdCZqaZAOtWHa2VKh2oRfUfgHzmYDR+09CZa3uupaFeaw==
tech-c: IGNUM
registrar: REG-WEBGLOBE
created: 25.02.2023 00:26:16
changed: 01.10.2024 12:52:54
contact: IGNUM
org: Webglobe, s.r.o.
name: Giacomo Tognoni
address: Pobřežní 620/3
address: Praha
address: 18600
address: CZ
registrar: REG-WEBGLOBE
created: 17.03.2008 14:43:09
changed: 03.12.2024 14:04:22
vsem.cz server information
Servers Location
vsem.cz desktop page speed rank
Last tested: 2019-07-06
Desktop Speed
Bad
40/100
vsem.cz Desktop Speed Test Quick Summary
priority - 72Enable 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 701.4KiB (65% reduction).
Compressing https://vsem.bot.artin.cz/ew/vendor.js could save 431.1KiB (66% reduction).
Compressing https://vsem.bot.artin.cz/ew/app.js could save 259.1KiB (63% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/logo-vsem.6…ab4f4f32d1d710cae9.svg could save 8.3KiB (58% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/youtube.a36…d3110e25262567e660.svg could save 1.5KiB (48% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/instagram.2…984303e1d05b31b418.svg could save 537B (46% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/twitter.ad2…af765adfc942b4f5f6.svg could save 438B (41% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/linkedin.8b…908156da3f9bb83f90.svg could save 364B (40% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/facebook.5b…1027396a2e1d5b6c9d.svg could save 241B (37% reduction).
Compressing https://vsem.bot.artin.cz/ew/app.js could save 259.1KiB (63% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/logo-vsem.6…ab4f4f32d1d710cae9.svg could save 8.3KiB (58% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/youtube.a36…d3110e25262567e660.svg could save 1.5KiB (48% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/instagram.2…984303e1d05b31b418.svg could save 537B (46% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/twitter.ad2…af765adfc942b4f5f6.svg could save 438B (41% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/linkedin.8b…908156da3f9bb83f90.svg could save 364B (40% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/facebook.5b…1027396a2e1d5b6c9d.svg could save 241B (37% reduction).
priority - 31Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 301.3KiB (34% reduction).
Compressing https://www.vsem.cz/data/images/img-homepage-980x4…/murtfeld3-980x400.jpg could save 160.9KiB (86% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%2810%29.png could save 22.1KiB (16% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%2811%29.png could save 19.1KiB (22% reduction).
Compressing https://www.vsem.cz/data/images/img-homepage-980x400/PAS.png could save 18.8KiB (23% reduction).
Compressing https://www.vsem.cz/assets/images/2/slides7-5d524712.png could save 13.4KiB (39% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%284%29.png could save 13KiB (16% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%285%29.png could save 12.4KiB (17% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%283%29.png could save 10.4KiB (13% reduction).
Compressing https://www.vsem.cz/assets/images/6/slides8-0f8cd406.png could save 8.8KiB (37% reduction).
Compressing https://www.vsem.cz/assets/images/0/slides9-36a0b770.png could save 7.9KiB (38% reduction).
Compressing https://www.vsem.cz/assets/images/b/slides_new%20%283%29-a259840b.png could save 3.3KiB (14% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel17.png could save 3.2KiB (26% reduction).
Compressing https://www.vsem.cz/assets/images/c/slides_new%20%284%29-919c54dc.png could save 3KiB (20% reduction).
Compressing https://www.vsem.cz/assets/images/a/slides_new%20%282%29-5da8e46a.png could save 2.7KiB (17% reduction).
Compressing https://www.vsem.cz/assets/images/b/slides_new%20%287%29-21448b5b.png could save 1.8KiB (16% reduction).
Compressing https://translate.googleapis.com/translate_static/img/te_ctrl3.gif could save 591B (42% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%2810%29.png could save 22.1KiB (16% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%2811%29.png could save 19.1KiB (22% reduction).
Compressing https://www.vsem.cz/data/images/img-homepage-980x400/PAS.png could save 18.8KiB (23% reduction).
Compressing https://www.vsem.cz/assets/images/2/slides7-5d524712.png could save 13.4KiB (39% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%284%29.png could save 13KiB (16% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%285%29.png could save 12.4KiB (17% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel_icon%20%283%29.png could save 10.4KiB (13% reduction).
Compressing https://www.vsem.cz/assets/images/6/slides8-0f8cd406.png could save 8.8KiB (37% reduction).
Compressing https://www.vsem.cz/assets/images/0/slides9-36a0b770.png could save 7.9KiB (38% reduction).
Compressing https://www.vsem.cz/assets/images/b/slides_new%20%283%29-a259840b.png could save 3.3KiB (14% reduction).
Compressing https://www.vsem.cz/data/images/img-hp-new/carousel17.png could save 3.2KiB (26% reduction).
Compressing https://www.vsem.cz/assets/images/c/slides_new%20%284%29-919c54dc.png could save 3KiB (20% reduction).
Compressing https://www.vsem.cz/assets/images/a/slides_new%20%282%29-5da8e46a.png could save 2.7KiB (17% reduction).
Compressing https://www.vsem.cz/assets/images/b/slides_new%20%287%29-21448b5b.png could save 1.8KiB (16% reduction).
Compressing https://translate.googleapis.com/translate_static/img/te_ctrl3.gif could save 591B (42% reduction).
priority - 29Leverage 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:
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https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/112397…5166?v=2.8.51&r=stable (20 minutes)
https://connect.facebook.net/signals/config/440969…3898?v=2.8.51&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.8.51 (20 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
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https://www.vsem.cz/assets/vsem/vsem.fdcf71275c1050dd4883.js (expiration not specified)
https://www.vsem.cz/data/images/img-homepage-980x400/PAS.png (expiration not specified)
https://www.vsem.cz/data/images/img-homepage-980x4…carousel%20%281%29.png (expiration not specified)
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https://connect.facebook.net/signals/config/440969…3898?v=2.8.51&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.8.51 (20 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://www.googleadservices.com/pagead/conversion.js (60 minutes)
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priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.vsem.cz/assets/vsem/vendor.fdcf71275c1050dd4883.js
https://translate.google.com/translate_a/element.j…leTranslateElementInit
https://translate.google.com/translate_a/element.j…leTranslateElementInit
Optimize CSS Delivery of the following:
https://www.vsem.cz/assets/vsem/vendor.5c7dfdefbff9d0a42a45e3a9971a1a23.css
https://www.vsem.cz/assets/vsem/vsem.5e43e222ea79b67211734e4aea7bbed3.css
https://fonts.googleapis.com/css?family=Open+Sans:…0,700&subset=latin-ext
https://www.vsem.cz/assets/vsem/vsem.5e43e222ea79b67211734e4aea7bbed3.css
https://fonts.googleapis.com/css?family=Open+Sans:…0,700&subset=latin-ext
priority - 14Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://vsem.cz/
https://vsem.cz/
http://www.vsem.cz/
https://www.vsem.cz/
https://vsem.cz/
http://www.vsem.cz/
https://www.vsem.cz/
priority - 0Minify 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 646B (85% reduction).
Minifying https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.8.51 could save 646B (85% reduction) after compression.
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 136B (16% reduction).
Minifying https://track.adform.net/serving/container/?pm=160…3a%2f%2fwww.vsem.cz%2f could save 136B (16% reduction) after compression.
vsem.cz Desktop Resource Breakdown
| Total Resources | 105 |
| Number of Hosts | 23 |
| Static Resources | 68 |
| JavaScript Resources | 25 |
| CSS Resources | 4 |
vsem.cz mobile page speed rank
Last tested: 2017-12-03
Mobile Speed
Bad
41/100
vsem.cz Mobile Speed Test Quick Summary
priority - 72Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.vsem.cz/assets/vsem/vendor.75bce5035a51b7a493b4.js
https://translate.google.com/translate_a/element.j…leTranslateElementInit
https://translate.google.com/translate_a/element.j…leTranslateElementInit
Optimize CSS Delivery of the following:
https://www.vsem.cz/assets/vsem/vendor.5c7dfdefbff9d0a42a45e3a9971a1a23.css
https://www.vsem.cz/assets/vsem/vsem.2bafaa7ac6bf7e14ca48a776ca600c32.css
https://translate.googleapis.com/translate_static/css/translateelement.css
https://fonts.googleapis.com/css?family=Open+Sans:…0,700&subset=latin-ext
https://www.vsem.cz/assets/vsem/vsem.2bafaa7ac6bf7e14ca48a776ca600c32.css
https://translate.googleapis.com/translate_static/css/translateelement.css
https://fonts.googleapis.com/css?family=Open+Sans:…0,700&subset=latin-ext
priority - 51Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://vsem.cz/
https://vsem.cz/
http://www.vsem.cz/
https://www.vsem.cz/
https://vsem.cz/
http://www.vsem.cz/
https://www.vsem.cz/
priority - 27Leverage 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://www.vsem.cz/assets/images/0/F3-97e89360.png (expiration not specified)
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https://www.vsem.cz/assets/images/1/caro5-2c9975a1.jpg (expiration not specified)
https://www.vsem.cz/assets/images/4/JAZYKY-419214e4.png (expiration not specified)
https://www.vsem.cz/assets/images/4/s3-1ce8f3d4.png (expiration not specified)
https://www.vsem.cz/assets/images/5/s4-aa1ede15.png (expiration not specified)
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https://www.vsem.cz/assets/vsem/vendor.5c7dfdefbff9d0a42a45e3a9971a1a23.css (expiration not specified)
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https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/1123975544285166?v=2.8.1 (20 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://www.googleadservices.com/pagead/conversion.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.vsem.cz/assets/images/1/F2-83175771.png (expiration not specified)
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https://www.vsem.cz/assets/images/4/JAZYKY-419214e4.png (expiration not specified)
https://www.vsem.cz/assets/images/4/s3-1ce8f3d4.png (expiration not specified)
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https://www.vsem.cz/assets/images/5/speci-2a8210f5.png (expiration not specified)
https://www.vsem.cz/assets/images/8/caro3-25389188.jpg (expiration not specified)
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https://www.vsem.cz/assets/images/8/hp4-0d7dc8d8.png (expiration not specified)
https://www.vsem.cz/assets/images/9/PRESTUPY-0683ff89.png (expiration not specified)
https://www.vsem.cz/assets/images/a/start-702e9b5a.png (expiration not specified)
https://www.vsem.cz/assets/images/b/PROGRAMY-3d94faeb.png (expiration not specified)
https://www.vsem.cz/assets/images/b/caro2-d256018b.jpg (expiration not specified)
https://www.vsem.cz/assets/images/b/caro7-61271b6b.jpg (expiration not specified)
https://www.vsem.cz/assets/images/b/caro8-5391e4cb.jpg (expiration not specified)
https://www.vsem.cz/assets/images/c/SL2-3ce5431c.png (expiration not specified)
https://www.vsem.cz/assets/images/c/hp3-b06a5c2c.png (expiration not specified)
https://www.vsem.cz/assets/images/d/caro1-e12b24fd.jpg (expiration not specified)
https://www.vsem.cz/assets/images/e/Fotka%202-a5dff3ee.jpg (expiration not specified)
https://www.vsem.cz/assets/images/f/C6-ecc8bdef.jpg (expiration not specified)
https://www.vsem.cz/assets/images/f/budovaaa-862161cf.png (expiration not specified)
https://www.vsem.cz/assets/vsem/images/background.…ec32bc88da67a3a73e.gif (expiration not specified)
https://www.vsem.cz/assets/vsem/images/flag-en.9ab…f6247e414ffd819a75.png (expiration not specified)
https://www.vsem.cz/assets/vsem/images/logo-vsem.2…2d84330ad81411bec9.svg (expiration not specified)
https://www.vsem.cz/assets/vsem/images/social-spri…fd1deda38dd941296d.png (expiration not specified)
https://www.vsem.cz/assets/vsem/vendor.5c7dfdefbff9d0a42a45e3a9971a1a23.css (expiration not specified)
https://www.vsem.cz/assets/vsem/vendor.75bce5035a51b7a493b4.js (expiration not specified)
https://www.vsem.cz/assets/vsem/vsem.2bafaa7ac6bf7e14ca48a776ca600c32.css (expiration not specified)
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https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/1123975544285166?v=2.8.1 (20 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://www.googleadservices.com/pagead/conversion.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 9Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 87.6KiB (23% reduction).
Compressing https://www.vsem.cz/assets/images/c/SL2-3ce5431c.png could save 13.1KiB (19% reduction).
Compressing https://www.vsem.cz/assets/images/5/s4-aa1ede15.png could save 7.1KiB (16% reduction).
Compressing https://www.vsem.cz/assets/images/b/PROGRAMY-3d94faeb.png could save 6.8KiB (32% reduction).
Compressing https://www.vsem.cz/assets/images/4/JAZYKY-419214e4.png could save 6.8KiB (29% reduction).
Compressing https://www.vsem.cz/assets/images/4/s3-1ce8f3d4.png could save 6.7KiB (18% reduction).
Compressing https://www.vsem.cz/assets/images/c/hp3-b06a5c2c.png could save 6.7KiB (27% reduction).
Compressing https://www.vsem.cz/assets/images/8/hp4-0d7dc8d8.png could save 6.4KiB (34% reduction).
Compressing https://www.vsem.cz/assets/images/f/budovaaa-862161cf.png could save 6.4KiB (22% reduction).
Compressing https://www.vsem.cz/assets/images/a/start-702e9b5a.png could save 5.8KiB (28% reduction).
Compressing https://www.vsem.cz/assets/images/5/speci-2a8210f5.png could save 5.7KiB (20% reduction).
Compressing https://www.vsem.cz/assets/images/9/PRESTUPY-0683ff89.png could save 5.4KiB (23% reduction).
Compressing https://www.vsem.cz/assets/images/0/F3-97e89360.png could save 5.3KiB (26% reduction).
Compressing https://www.vsem.cz/assets/images/1/F2-83175771.png could save 4.7KiB (21% reduction).
Compressing https://translate.googleapis.com/translate_static/img/te_ctrl3.gif could save 591B (42% reduction).
Compressing https://www.vsem.cz/assets/images/5/s4-aa1ede15.png could save 7.1KiB (16% reduction).
Compressing https://www.vsem.cz/assets/images/b/PROGRAMY-3d94faeb.png could save 6.8KiB (32% reduction).
Compressing https://www.vsem.cz/assets/images/4/JAZYKY-419214e4.png could save 6.8KiB (29% reduction).
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Compressing https://www.vsem.cz/assets/images/f/budovaaa-862161cf.png could save 6.4KiB (22% reduction).
Compressing https://www.vsem.cz/assets/images/a/start-702e9b5a.png could save 5.8KiB (28% reduction).
Compressing https://www.vsem.cz/assets/images/5/speci-2a8210f5.png could save 5.7KiB (20% reduction).
Compressing https://www.vsem.cz/assets/images/9/PRESTUPY-0683ff89.png could save 5.4KiB (23% reduction).
Compressing https://www.vsem.cz/assets/images/0/F3-97e89360.png could save 5.3KiB (26% reduction).
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Compressing https://translate.googleapis.com/translate_static/img/te_ctrl3.gif could save 591B (42% reduction).
priority - 1Enable 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 8.9KiB (60% reduction).
Compressing https://www.vsem.cz/assets/vsem/images/logo-vsem.2…2d84330ad81411bec9.svg could save 8.9KiB (60% reduction).
priority - 0Reduce server response time
vsem.cz Mobile Resource Breakdown
| Total Resources | 65 |
| Number of Hosts | 15 |
| Static Resources | 44 |
| JavaScript Resources | 12 |
| CSS Resources | 4 |
vsem.cz mobile page usability
Last tested: 2017-12-03
Mobile Usability
Good
100/100
vsem.cz HTML validation
Errors
Bogus comment.
Line: 19 Column: - 11
"...ipt> <![if !IE 6]><scr..." Line: 26 Column: - 111
"...it"></script><![endif]> <link ..."
"...ipt> <![if !IE 6]><scr..." Line: 26 Column: - 111
"...it"></script><![endif]> <link ..."
No space between attributes.
Line: 180 Column: - 50
"...z/vsem-en.html", ti..."
"...z/vsem-en.html", ti..."
Attribute “,” not allowed on element “a” at this point.
Line: 182 Column: 13 - 9
"... <a class="vsem-main-menu-lang-switch vsem-main-menu-lang-switch--locale-en" href="https://en.vsem.cz/vsem-en.html", title="English" > ..."
"... <a class="vsem-main-menu-lang-switch vsem-main-menu-lang-switch--locale-en" href="https://en.vsem.cz/vsem-en.html", title="English" > ..."
Duplicate ID “f3”.
Line: 237 Column: 3 - 89
"...k"> <form id="f3" method="post" enctype="application/x-www-form-urlencoded" class="hledat"> <..."
"...k"> <form id="f3" method="post" enctype="application/x-www-form-urlencoded" class="hledat"> <..."
Duplicate ID “ctrl_4”.
Line: 249 Column: 3 - 71
"... <input type="text" name="keywords" id="ctrl_4" class="text" value=""> ..."
"... <input type="text" name="keywords" id="ctrl_4" class="text" value=""> ..."
Duplicate ID “ctrl_4_submit”.
Line: 251 Column: 7 - 71
"..."> <input type="submit" id="ctrl_4_submit" class="submit" value=" "> ..."
"..."> <input type="submit" id="ctrl_4_submit" class="submit" value=" "> ..."
Start tag “a” seen but an element of the same type was already open.
Line: 1239 Column: 13 - 110
"... <a href="https://sis.vsem.cz/sis/vysoka-skola/infosystem-sis/kalendar-vyuka-zk/?event_id=e107548"> <sp..."
"... <a href="https://sis.vsem.cz/sis/vysoka-skola/infosystem-sis/kalendar-vyuka-zk/?event_id=e107548"> <sp..."
End tag “a” violates nesting rules.
Line: 1239 Column: 13 - 110
"... <a href="https://sis.vsem.cz/sis/vysoka-skola/infosystem-sis/kalendar-vyuka-zk/?event_id=e107548"> <sp..."
"... <a href="https://sis.vsem.cz/sis/vysoka-skola/infosystem-sis/kalendar-vyuka-zk/?event_id=e107548"> <sp..."
Cannot recover after last error. Any further errors will be ignored.
Line: 1239 Column: 13 - 110
"... <a href="https://sis.vsem.cz/sis/vysoka-skola/infosystem-sis/kalendar-vyuka-zk/?event_id=e107548"> <sp..."
"... <a href="https://sis.vsem.cz/sis/vysoka-skola/infosystem-sis/kalendar-vyuka-zk/?event_id=e107548"> <sp..."
Warnings
The “navigation” role is unnecessary for element “nav”.
Line: 178 Column: 45 - 90
"... <nav class="vsem-main-menu" role="navigation"> ..."
"... <nav class="vsem-main-menu" role="navigation"> ..."
Attribute “,” is not serializable as XML 1.0.
Line: 182 Column: 13 - 9
"... <a class="vsem-main-menu-lang-switch vsem-main-menu-lang-switch--locale-en" href="https://en.vsem.cz/vsem-en.html", title="English" > ..."
"... <a class="vsem-main-menu-lang-switch vsem-main-menu-lang-switch--locale-en" href="https://en.vsem.cz/vsem-en.html", title="English" > ..."
The first occurrence of ID “f3” was here.
Line: 146 Column: 3 - 89
"...k"> <form id="f3" method="post" enctype="application/x-www-form-urlencoded" class="hledat"> <..."
"...k"> <form id="f3" method="post" enctype="application/x-www-form-urlencoded" class="hledat"> <..."
The first occurrence of ID “ctrl_4” was here.
Line: 158 Column: 3 - 71
"... <input type="text" name="keywords" id="ctrl_4" class="text" value=""> ..."
"... <input type="text" name="keywords" id="ctrl_4" class="text" value=""> ..."
The first occurrence of ID “ctrl_4_submit” was here.
Line: 160 Column: 7 - 71
"..."> <input type="submit" id="ctrl_4_submit" class="submit" value=" "> ..."
"..."> <input type="submit" id="ctrl_4_submit" class="submit" value=" "> ..."
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vsem.cz 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.
vsem.cz 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.