vjs.ac.vn Website Information
Daily Unique Visits: 835
Daily Page Views: 1,670
Income Per Day: $5
Estimated Value: $1,200
This website is located in Viet Nam and is using following IP address 103.1.210.76. See the complete list of popular websites hosted in Viet Nam.
vjs.ac.vn is registered under .VN top-level domain. Please check other sites in .VN zone.
Website vjs.ac.vn is using the following name servers:
- ns1.netnam.vn
- ns2.netnam.vn
and is probably hosted by NETNAM-AS-AP Netnam Company, VN. See the full list of other websites hosted by NETNAM-AS-AP Netnam Company, VN.
The highest website vjs.ac.vn position in Alexa rank database was 28236 and the lowest rank position was 999738. Current position of vjs.ac.vn in Alexa rank database is 858543.
Desktop speed score of vjs.ac.vn (54/100) is better than the results of 28.19% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of vjs.ac.vn (67/100) is better than the results of 18.73% of other sites and means that the page is not mobile-friendly.
Mobile speed score of vjs.ac.vn (49/100) is better than the results of 31.99% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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vjs.ac.vn 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.
vjs.ac.vn whois
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vjs.ac.vn server information
Servers Location
vjs.ac.vn desktop page speed rank
Last tested: 2019-10-26
Desktop Speed
Bad
54/100
vjs.ac.vn Desktop Speed Test Quick Summary
priority - 27Enable 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 259.1KiB (74% reduction).
Compressing http://vjs.ac.vn/ could save 38.8KiB (81% reduction).
Compressing http://vjs.ac.vn/styles/compiled.css could save 32.2KiB (82% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/lib/jqueryUi/jqueryUi.css could save 27.2KiB (81% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/validate/jquery.validate.js could save 26.2KiB (73% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/grid/GridHandler.js could save 15.7KiB (74% reduction).
Compressing http://vjs.ac.vn/js/statistics/ReportGeneratorFormHandler.js could save 14.7KiB (80% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/Handler.js could save 11.1KiB (71% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/SiteHandler.js could save 10.3KiB (72% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/form/FormHandler.js could save 8.7KiB (72% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.tag-it.js could save 8.3KiB (67% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/Helper.js could save 7KiB (66% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/linkAction/LinkActionHandler.js could save 5.9KiB (69% reduction).
Compressing http://vjs.ac.vn/lib/pkp/lib/pqp/css/pQp.css could save 5.3KiB (72% reduction).
Compressing http://vjs.ac.vn/styles/common.css could save 4.5KiB (68% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/common.css could save 4.4KiB (71% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/AutocompleteHandler.js could save 4.2KiB (70% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/ExtrasOnDemandHandler.js could save 3.9KiB (68% reduction).
Compressing http://vjs.ac.vn/plugins/themes/blueSteel/blueSteel.css could save 3.2KiB (62% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/ObjectProxy.js could save 2.9KiB (65% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/form/AjaxFormHandler.js could save 2.7KiB (63% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/functions/fontController.js could save 2.7KiB (69% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.cookie.js could save 2.5KiB (63% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/linkAction/LinkActionRequest.js could save 2.4KiB (69% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/features/Feature.js could save 2.4KiB (66% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/functions/general.js could save 2.3KiB (62% reduction).
Compressing http://vjs.ac.vn/plugins/generic/lucene/js/LuceneAutocompleteHandler.js could save 1.3KiB (60% reduction).
Compressing http://vjs.ac.vn/js/pages/search/SearchFormHandler.js could save 1.2KiB (53% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.pkp.js could save 1.2KiB (53% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/UrlInDivHandler.js could save 1.1KiB (56% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/form/ClientFormHandler.js could save 1.1KiB (54% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/themes/default/notificationIcons.css could save 1KiB (66% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/lib/jquery.pnotify.default.css could save 997B (61% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/functions/jqueryValidatorI18n.js could save 542B (52% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css could save 517B (55% reduction).
Compressing http://vjs.ac.vn/styles/sidebar.css could save 349B (47% reduction).
Compressing http://vjs.ac.vn/styles/rightSidebar.css could save 275B (41% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/pkp.css could save 151B (33% reduction).
Compressing http://vjs.ac.vn/styles/compiled.css could save 32.2KiB (82% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/lib/jqueryUi/jqueryUi.css could save 27.2KiB (81% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/validate/jquery.validate.js could save 26.2KiB (73% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/grid/GridHandler.js could save 15.7KiB (74% reduction).
Compressing http://vjs.ac.vn/js/statistics/ReportGeneratorFormHandler.js could save 14.7KiB (80% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/Handler.js could save 11.1KiB (71% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/SiteHandler.js could save 10.3KiB (72% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/form/FormHandler.js could save 8.7KiB (72% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.tag-it.js could save 8.3KiB (67% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/Helper.js could save 7KiB (66% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/linkAction/LinkActionHandler.js could save 5.9KiB (69% reduction).
Compressing http://vjs.ac.vn/lib/pkp/lib/pqp/css/pQp.css could save 5.3KiB (72% reduction).
Compressing http://vjs.ac.vn/styles/common.css could save 4.5KiB (68% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/common.css could save 4.4KiB (71% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/AutocompleteHandler.js could save 4.2KiB (70% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/ExtrasOnDemandHandler.js could save 3.9KiB (68% reduction).
Compressing http://vjs.ac.vn/plugins/themes/blueSteel/blueSteel.css could save 3.2KiB (62% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/ObjectProxy.js could save 2.9KiB (65% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/form/AjaxFormHandler.js could save 2.7KiB (63% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/functions/fontController.js could save 2.7KiB (69% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.cookie.js could save 2.5KiB (63% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/linkAction/LinkActionRequest.js could save 2.4KiB (69% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/classes/features/Feature.js could save 2.4KiB (66% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/functions/general.js could save 2.3KiB (62% reduction).
Compressing http://vjs.ac.vn/plugins/generic/lucene/js/LuceneAutocompleteHandler.js could save 1.3KiB (60% reduction).
Compressing http://vjs.ac.vn/js/pages/search/SearchFormHandler.js could save 1.2KiB (53% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.pkp.js could save 1.2KiB (53% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/UrlInDivHandler.js could save 1.1KiB (56% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/controllers/form/ClientFormHandler.js could save 1.1KiB (54% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/themes/default/notificationIcons.css could save 1KiB (66% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/lib/jquery.pnotify.default.css could save 997B (61% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/functions/jqueryValidatorI18n.js could save 542B (52% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css could save 517B (55% reduction).
Compressing http://vjs.ac.vn/styles/sidebar.css could save 349B (47% reduction).
Compressing http://vjs.ac.vn/styles/rightSidebar.css could save 275B (41% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/pkp.css could save 151B (33% reduction).
priority - 23Leverage 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://vjs.ac.vn/js/pages/search/SearchFormHandler.js (expiration not specified)
http://vjs.ac.vn/js/statistics/ReportGeneratorFormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/Handler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/Helper.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/ObjectProxy.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/features/Feature.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/linkAction/LinkActionRequest.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/AutocompleteHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/ExtrasOnDemandHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/SiteHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/UrlInDivHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/form/AjaxFormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/form/ClientFormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/form/FormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/grid/GridHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/linkAction/LinkActionHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/functions/fontController.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/functions/general.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/functions/jqueryValidatorI18n.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.cookie.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.pkp.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.tag-it.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/validate/jquery.validate.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/lib/pqp/css/pQp.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/lib/pqp/images/overlay.gif (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/common.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/lib/jquery.pnotify.default.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/lib/jqueryUi/jqueryUi.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/pkp.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/themes/default/notificationIcons.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-default.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-down.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-up.png (expiration not specified)
http://vjs.ac.vn/plugins/blocks/languageToggle/styles/languageToggle.css (expiration not specified)
http://vjs.ac.vn/plugins/generic/lucene/js/LuceneAutocompleteHandler.js (expiration not specified)
http://vjs.ac.vn/plugins/themes/blueSteel/blueSteel.css (expiration not specified)
http://vjs.ac.vn/public/journals/10/journalThumbnail_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/11/journalThumbnail_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/4/journalThumbnail_en_US.gif (expiration not specified)
http://vjs.ac.vn/public/journals/9/journalThumbnail_en_US.jpg (expiration not specified)
http://vjs.ac.vn/styles/common.css (expiration not specified)
http://vjs.ac.vn/styles/compiled.css (expiration not specified)
http://vjs.ac.vn/styles/rightSidebar.css (expiration not specified)
http://vjs.ac.vn/styles/sidebar.css (expiration not specified)
http://www.google.com/jsapi (60 minutes)
http://vjs.ac.vn/js/statistics/ReportGeneratorFormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/Handler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/Helper.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/ObjectProxy.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/features/Feature.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/classes/linkAction/LinkActionRequest.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/AutocompleteHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/ExtrasOnDemandHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/SiteHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/UrlInDivHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/form/AjaxFormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/form/ClientFormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/form/FormHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/grid/GridHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/controllers/linkAction/LinkActionHandler.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/functions/fontController.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/functions/general.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/functions/jqueryValidatorI18n.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.cookie.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.pkp.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.tag-it.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/validate/jquery.validate.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/lib/pqp/css/pQp.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/lib/pqp/images/overlay.gif (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/common.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/lib/jquery.pnotify.default.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/lib/jqueryUi/jqueryUi.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/pkp.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/themes/default/notificationIcons.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-default.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-down.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-up.png (expiration not specified)
http://vjs.ac.vn/plugins/blocks/languageToggle/styles/languageToggle.css (expiration not specified)
http://vjs.ac.vn/plugins/generic/lucene/js/LuceneAutocompleteHandler.js (expiration not specified)
http://vjs.ac.vn/plugins/themes/blueSteel/blueSteel.css (expiration not specified)
http://vjs.ac.vn/public/journals/10/journalThumbnail_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/11/journalThumbnail_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/4/journalThumbnail_en_US.gif (expiration not specified)
http://vjs.ac.vn/public/journals/9/journalThumbnail_en_US.jpg (expiration not specified)
http://vjs.ac.vn/styles/common.css (expiration not specified)
http://vjs.ac.vn/styles/compiled.css (expiration not specified)
http://vjs.ac.vn/styles/rightSidebar.css (expiration not specified)
http://vjs.ac.vn/styles/sidebar.css (expiration not specified)
http://www.google.com/jsapi (60 minutes)
priority - 18Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 26 blocking script resources and 12 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js
http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.6/jquery-ui.min.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.tag-it.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.cookie.js
http://vjs.ac.vn/lib/pkp/js/functions/fontController.js
http://vjs.ac.vn/lib/pkp/js/functions/general.js
http://vjs.ac.vn/lib/pkp/js/functions/jqueryValidatorI18n.js
http://vjs.ac.vn/lib/pkp/js/classes/Helper.js
http://vjs.ac.vn/lib/pkp/js/classes/ObjectProxy.js
http://vjs.ac.vn/lib/pkp/js/classes/Handler.js
http://vjs.ac.vn/lib/pkp/js/classes/linkAction/LinkActionRequest.js
http://vjs.ac.vn/lib/pkp/js/classes/features/Feature.js
http://vjs.ac.vn/lib/pkp/js/controllers/SiteHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/UrlInDivHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/AutocompleteHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/ExtrasOnDemandHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/form/FormHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/form/AjaxFormHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/form/ClientFormHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/grid/GridHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/linkAction/LinkActionHandler.js
http://vjs.ac.vn/js/pages/search/SearchFormHandler.js
http://vjs.ac.vn/js/statistics/ReportGeneratorFormHandler.js
http://vjs.ac.vn/plugins/generic/lucene/js/LuceneAutocompleteHandler.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.pkp.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/validate/jquery.validate.js
http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.6/jquery-ui.min.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.tag-it.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.cookie.js
http://vjs.ac.vn/lib/pkp/js/functions/fontController.js
http://vjs.ac.vn/lib/pkp/js/functions/general.js
http://vjs.ac.vn/lib/pkp/js/functions/jqueryValidatorI18n.js
http://vjs.ac.vn/lib/pkp/js/classes/Helper.js
http://vjs.ac.vn/lib/pkp/js/classes/ObjectProxy.js
http://vjs.ac.vn/lib/pkp/js/classes/Handler.js
http://vjs.ac.vn/lib/pkp/js/classes/linkAction/LinkActionRequest.js
http://vjs.ac.vn/lib/pkp/js/classes/features/Feature.js
http://vjs.ac.vn/lib/pkp/js/controllers/SiteHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/UrlInDivHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/AutocompleteHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/ExtrasOnDemandHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/form/FormHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/form/AjaxFormHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/form/ClientFormHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/grid/GridHandler.js
http://vjs.ac.vn/lib/pkp/js/controllers/linkAction/LinkActionHandler.js
http://vjs.ac.vn/js/pages/search/SearchFormHandler.js
http://vjs.ac.vn/js/statistics/ReportGeneratorFormHandler.js
http://vjs.ac.vn/plugins/generic/lucene/js/LuceneAutocompleteHandler.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/jquery.pkp.js
http://vjs.ac.vn/lib/pkp/js/lib/jquery/plugins/validate/jquery.validate.js
Optimize CSS Delivery of the following:
http://vjs.ac.vn/lib/pkp/styles/pkp.css
http://vjs.ac.vn/lib/pkp/styles/lib/jqueryUi/jqueryUi.css
http://vjs.ac.vn/lib/pkp/styles/lib/jquery.pnotify.default.css
http://vjs.ac.vn/lib/pkp/styles/common.css
http://vjs.ac.vn/styles/common.css
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css
http://vjs.ac.vn/lib/pkp/styles/themes/default/notificationIcons.css
http://vjs.ac.vn/styles/compiled.css
http://vjs.ac.vn/styles/sidebar.css
http://vjs.ac.vn/styles/rightSidebar.css
http://vjs.ac.vn/plugins/themes/blueSteel/blueSteel.css
http://vjs.ac.vn/plugins/blocks/languageToggle/styles/languageToggle.css
http://vjs.ac.vn/lib/pkp/styles/lib/jqueryUi/jqueryUi.css
http://vjs.ac.vn/lib/pkp/styles/lib/jquery.pnotify.default.css
http://vjs.ac.vn/lib/pkp/styles/common.css
http://vjs.ac.vn/styles/common.css
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css
http://vjs.ac.vn/lib/pkp/styles/themes/default/notificationIcons.css
http://vjs.ac.vn/styles/compiled.css
http://vjs.ac.vn/styles/sidebar.css
http://vjs.ac.vn/styles/rightSidebar.css
http://vjs.ac.vn/plugins/themes/blueSteel/blueSteel.css
http://vjs.ac.vn/plugins/blocks/languageToggle/styles/languageToggle.css
priority - 14Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 132.6KiB (91% reduction).
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priority - 11Minify 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 103.7KiB (50% reduction).
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priority - 2Minify CSS
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Minify CSS for the following resources to reduce their size by 15.7KiB (25% reduction).
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priority - 1Minify 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 5.2KiB (12% reduction).
Minifying http://vjs.ac.vn/ could save 5.2KiB (12% reduction).
vjs.ac.vn Desktop Resource Breakdown
| Total Resources | 51 |
| Number of Hosts | 4 |
| Static Resources | 49 |
| JavaScript Resources | 28 |
| CSS Resources | 13 |
vjs.ac.vn mobile page speed rank
Last tested: 2017-12-17
Mobile Speed
Bad
49/100
vjs.ac.vn Mobile Speed Test Quick Summary
priority - 72Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 7 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.google.com/jsapi
http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js
http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js
http://vjs.ac.vn/lib/pkp/js/general.js
http://vjs.ac.vn/lib/pkp/js/tag-it.js
http://vjs.ac.vn/lib/pkp/js/jquery.cookie.js
http://vjs.ac.vn/lib/pkp/js/fontController.js
http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js
http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js
http://vjs.ac.vn/lib/pkp/js/general.js
http://vjs.ac.vn/lib/pkp/js/tag-it.js
http://vjs.ac.vn/lib/pkp/js/jquery.cookie.js
http://vjs.ac.vn/lib/pkp/js/fontController.js
Optimize CSS Delivery of the following:
http://vjs.ac.vn/lib/pkp/styles/pkp.css
http://vjs.ac.vn/lib/pkp/styles/jqueryUi.css
http://vjs.ac.vn/lib/pkp/styles/jquery.pnotify.default.css
http://vjs.ac.vn/lib/pkp/styles/common.css
http://vjs.ac.vn/styles/common.css
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css
http://vjs.ac.vn/styles/sidebar.css
http://vjs.ac.vn/styles/rightSidebar.css
http://vjs.ac.vn/lib/pkp/styles/jqueryUi.css
http://vjs.ac.vn/lib/pkp/styles/jquery.pnotify.default.css
http://vjs.ac.vn/lib/pkp/styles/common.css
http://vjs.ac.vn/styles/common.css
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css
http://vjs.ac.vn/styles/sidebar.css
http://vjs.ac.vn/styles/rightSidebar.css
priority - 19Leverage 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://vjs.ac.vn/lib/pkp/js/fontController.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/general.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/jquery.cookie.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/tag-it.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/common.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/jquery.pnotify.default.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/jqueryUi.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/pkp.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-default.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-down.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-up.png (expiration not specified)
http://vjs.ac.vn/public/journals/1/homepageImage_en_US.gif (expiration not specified)
http://vjs.ac.vn/public/journals/10/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/11/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/2/homepageImage_en_US.png (expiration not specified)
http://vjs.ac.vn/public/journals/6/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/8/homepageImage_en_US.png (expiration not specified)
http://vjs.ac.vn/public/journals/9/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/site/Cover-vjm.png (expiration not specified)
http://vjs.ac.vn/styles/common.css (expiration not specified)
http://vjs.ac.vn/styles/rightSidebar.css (expiration not specified)
http://vjs.ac.vn/styles/sidebar.css (expiration not specified)
https://assets.crossref.org/logo/crossref-similarity-check-logo-200.svg (expiration not specified)
http://www.google.com/jsapi (60 minutes)
http://vjs.ac.vn/lib/pkp/js/general.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/jquery.cookie.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/js/tag-it.js (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/common.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/jquery.pnotify.default.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/jqueryUi.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/pkp.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/styles/themes/default/pnotify.css (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-default.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-down.png (expiration not specified)
http://vjs.ac.vn/lib/pkp/templates/images/icons/font-up.png (expiration not specified)
http://vjs.ac.vn/public/journals/1/homepageImage_en_US.gif (expiration not specified)
http://vjs.ac.vn/public/journals/10/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/11/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/2/homepageImage_en_US.png (expiration not specified)
http://vjs.ac.vn/public/journals/6/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/journals/8/homepageImage_en_US.png (expiration not specified)
http://vjs.ac.vn/public/journals/9/homepageImage_en_US.jpg (expiration not specified)
http://vjs.ac.vn/public/site/Cover-vjm.png (expiration not specified)
http://vjs.ac.vn/styles/common.css (expiration not specified)
http://vjs.ac.vn/styles/rightSidebar.css (expiration not specified)
http://vjs.ac.vn/styles/sidebar.css (expiration not specified)
https://assets.crossref.org/logo/crossref-similarity-check-logo-200.svg (expiration not specified)
http://www.google.com/jsapi (60 minutes)
priority - 17Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 168.8KiB (59% reduction).
Compressing and resizing http://vjs.ac.vn/public/journals/6/homepageImage_en_US.jpg could save 68.4KiB (97% reduction).
Compressing http://vjs.ac.vn/public/site/Cover-vjm.png could save 30.7KiB (43% reduction).
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Compressing http://vjs.ac.vn/lib/pkp/templates/images/icons/font-default.png could save 2.6KiB (70% reduction).
Compressing http://vjs.ac.vn/lib/pkp/templates/images/icons/font-down.png could save 2.5KiB (66% reduction).
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Compressing http://vjs.ac.vn/public/site/Cover-vjm.png could save 30.7KiB (43% reduction).
Compressing http://vjs.ac.vn/public/journals/10/homepageImage_en_US.jpg could save 23KiB (42% reduction).
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Compressing http://vjs.ac.vn/lib/pkp/templates/images/icons/font-default.png could save 2.6KiB (70% reduction).
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priority - 7Enable 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 63.5KiB (72% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/jqueryUi.css could save 24.4KiB (81% reduction).
Compressing http://vjs.ac.vn/ could save 12.7KiB (73% reduction).
Compressing https://assets.crossref.org/logo/crossref-similarity-check-logo-200.svg could save 6.3KiB (66% reduction).
Compressing http://vjs.ac.vn/styles/common.css could save 4.8KiB (71% reduction).
Compressing http://vjs.ac.vn/lib/pkp/styles/common.css could save 4.2KiB (72% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/jquery.cookie.js could save 2.7KiB (64% reduction).
Compressing http://vjs.ac.vn/lib/pkp/js/general.js could save 2.3KiB (62% reduction).
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priority - 1Minify 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 9.2KiB (21% reduction).
Minifying http://vjs.ac.vn/lib/pkp/styles/jqueryUi.css could save 5.8KiB (20% reduction).
Minifying http://vjs.ac.vn/styles/common.css could save 1.5KiB (23% reduction).
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Minifying http://vjs.ac.vn/lib/pkp/styles/jquery.pnotify.default.css could save 631B (39% 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 7.8KiB (53% reduction).
Minifying http://vjs.ac.vn/lib/pkp/js/jquery.cookie.js could save 3.2KiB (76% reduction).
Minifying http://vjs.ac.vn/lib/pkp/js/tag-it.js could save 1.7KiB (49% reduction).
Minifying http://vjs.ac.vn/lib/pkp/js/fontController.js could save 1.6KiB (48% reduction).
Minifying http://vjs.ac.vn/lib/pkp/js/general.js could save 1.3KiB (37% reduction).
Minifying http://vjs.ac.vn/lib/pkp/js/tag-it.js could save 1.7KiB (49% reduction).
Minifying http://vjs.ac.vn/lib/pkp/js/fontController.js could save 1.6KiB (48% reduction).
Minifying http://vjs.ac.vn/lib/pkp/js/general.js could save 1.3KiB (37% reduction).
vjs.ac.vn Mobile Resource Breakdown
| Total Resources | 28 |
| Number of Hosts | 4 |
| Static Resources | 27 |
| JavaScript Resources | 7 |
| CSS Resources | 8 |
vjs.ac.vn mobile page usability
Last tested: 2017-12-17
Mobile Usability
Medium
67/100
vjs.ac.vn Mobile Usability Test Quick Summary
priority - 35Use 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.
OPEN JOURNAL SYSTEMS and 28 others render only 4 pixels tall (10 CSS pixels).JOURNAL CONTENT and 3 others render only 4 pixels tall (10 CSS pixels).Remember me and 3 others render only 4 pixels tall (10 CSS pixels).REGISTER and 4 others render only 4 pixels tall (10 CSS pixels).Home renders only 4 pixels tall (11 CSS pixels).> renders only 4 pixels tall (11 CSS pixels).VAST Online Jo…ystems (VOJS) renders only 4 pixels tall (11 CSS pixels).Advances in Na…Nanotechnology and 10 others render only 8 pixels tall (20 CSS pixels).region, and th…emote sensing. and 34 others render only 4 pixels tall (11 CSS pixels).Advances in Na…Nanotechnology and 2 others render only 4 pixels tall (11 CSS pixels).Journal of Com…nd Cybernetics and 1 others render only 4 pixels tall (11 CSS pixels).uthors warrant…other journal. and 5 others render only 4 pixels tall (11 CSS pixels).The Journal pr…tside Vietnam. renders only 4 pixels tall (11 CSS pixels).Vietnam Journa…và Công nghệ) renders only 4 pixels tall (11 CSS pixels).established in…eer-reviewing. and 1 others render only 4 pixels tall (11 CSS pixels).Vietnam Journa…and Technology renders only 4 pixels tall (11 CSS pixels).Statement Publ…on Malpractice and 2 others render only 4 pixels tall (11 CSS pixels).Code of Conduc…ournal Editors and 1 others render only 4 pixels tall (11 CSS pixels).priority - 10Configure the viewport
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priority - 6Size 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 id="developedBy" href="http://pkp.sfu.ca/ojs/" class="blockTitle">Open Journal Systems</a> and 12 others are close to other tap targets.The tap target
<label for="sidebar-username">Username</label> and 2 others are close to other tap targets.The tap target
<input id="sidebar-username" type="text" name="username" class="textField"> and 2 others are close to other tap targets.The tap target
<input id="remember" type="checkbox" name="remember"> is close to 3 other tap targets.The tap target
<input type="submit" class="button"> and 1 others are close to other tap targets.The tap target
<a href="http://vjs.ac.…hp/index/about">About</a> and 2 others are close to other tap targets.The tap target
<a href="http://vjs.ac.…hp/index/index">Home</a> is close to 1 other tap targets.The tap target
<a href="http://vjs.ac.vn/index.php" class="current">VAST Online Jo…ystems (VOJS)</a> and 1 others are close to other tap targets.vjs.ac.vn HTML validation
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vjs.ac.vn 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.
vjs.ac.vn 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.