vtk.org Website Information
Daily Unique Visits: 22,885
Daily Page Views: 137,310
Income Per Day: $275
Estimated Value: $198,000
This website is located in United States and is using following IP address 66.194.253.19. See the complete list of popular websites hosted in United States.
vtk.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.
Website vtk.org is using the following name servers:
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- ns2.hover.com
and is probably hosted by LVLT-3549 - Level 3 Parent, LLC, US. See the full list of other websites hosted by LVLT-3549 - Level 3 Parent, LLC, US.
The highest website vtk.org position in Alexa rank database was 16414 and the lowest rank position was 981562. Current position of vtk.org in Alexa rank database is 62670.
Desktop speed score of vtk.org (49/100) is better than the results of 22.8% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of vtk.org (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed score of vtk.org (47/100) is better than the results of 28.68% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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vtk.org 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.
vtk.org whois
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Domain Name: vtk.org
Registry Domain ID: a6b64388e8814d539dad028fe855d987-LROR
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2024-08-21T14:00:05Z
Creation Date: 2002-07-25T20:28:02Z
Registry Expiry Date: 2026-07-25T20:28:02Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
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Registrant Organization: Privacy service provided by Withheld for Privacy ehf
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Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dns1.registrar-servers.com
Name Server: dns2.registrar-servers.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-12T14:46:05Z
Registry Domain ID: a6b64388e8814d539dad028fe855d987-LROR
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2024-08-21T14:00:05Z
Creation Date: 2002-07-25T20:28:02Z
Registry Expiry Date: 2026-07-25T20:28:02Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant Street: REDACTED FOR PRIVACY
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Registrant State/Province: Capital Region
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Registrant Country: IS
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Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
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Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
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Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dns1.registrar-servers.com
Name Server: dns2.registrar-servers.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-12T14:46:05Z
vtk.org server information
Servers Location
vtk.org desktop page speed rank
Last tested: 2017-06-01
Desktop Speed
Bad
49/100
vtk.org Desktop Speed Test Quick Summary
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priority - 13Leverage browser caching
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priority - 9Reduce server response time
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 10 blocking script resources and 13 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
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Optimize CSS Delivery of the following:
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priority - 1Minify JavaScript
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priority - 1Minify CSS
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vtk.org Desktop Resource Breakdown
| Total Resources | 64 |
| Number of Hosts | 6 |
| Static Resources | 28 |
| JavaScript Resources | 22 |
| CSS Resources | 16 |
vtk.org mobile page speed rank
Last tested: 2017-06-01
Mobile Speed
Bad
47/100
vtk.org Mobile Speed Test Quick Summary
priority - 66Optimize images
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Compressing http://www.vtk.org/wp-content/uploads/2016/03/velodyne-1.jpg could save 68.9KiB (52% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/infovis.jpg could save 67.5KiB (63% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/3DSlicer_index.jpg could save 64.8KiB (52% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/lang_slider.jpg could save 55.6KiB (58% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/model_slider.jpg could save 50.2KiB (56% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/modelling_slider.jpg could save 36.1KiB (62% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/interaction_slider.jpg could save 23.4KiB (51% reduction).
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Compressing https://blog.kitware.com/wp-content/uploads/2016/01/VTKLogo.jpg could save 2.6KiB (13% reduction).
Compressing http://www.vtk.org/wp-content/plugins/easy-media-g…atterns/pattern-11.png could save 919B (89% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2015/03/vtk_logo-main1.png could save 585B (13% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/3d_slider.jpg could save 84.3KiB (61% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/viz_slider.jpg could save 77.5KiB (63% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/velodyne-1.jpg could save 68.9KiB (52% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/infovis.jpg could save 67.5KiB (63% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/3DSlicer_index.jpg could save 64.8KiB (52% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/lang_slider.jpg could save 55.6KiB (58% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/model_slider.jpg could save 50.2KiB (56% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/modelling_slider.jpg could save 36.1KiB (62% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/03/interaction_slider.jpg could save 23.4KiB (51% reduction).
Compressing http://www.vtk.org/wp-content/uploads/2016/04/slider_hexa_bg.jpg could save 13.7KiB (40% reduction).
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Compressing https://blog.kitware.com/wp-content/uploads/2016/01/VTKLogo.jpg could save 2.6KiB (13% reduction).
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priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 10 blocking script resources and 13 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.vtk.org/wp-includes/js/jquery/jquery.js?ver=1.12.4
http://www.vtk.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
http://www.vtk.org/wp-content/plugins/easy-media-g…y.fittext.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…1.4.5-min.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…easymedia.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…otope.min.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…/frontend.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…ry/jPages.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…yload.min.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…ment-and-player.min.js
http://www.vtk.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
http://www.vtk.org/wp-content/plugins/easy-media-g…y.fittext.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…1.4.5-min.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…easymedia.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…otope.min.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…/frontend.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…ry/jPages.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…yload.min.js?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…ment-and-player.min.js
Optimize CSS Delivery of the following:
http://www.vtk.org/wp-content/plugins/contact-form…css/styles.css?ver=4.7
http://www.vtk.org/wp-content/plugins/rest-api-pos…ds/style.css?ver=4.7.5
http://fonts.googleapis.com/css?family=Open+Sans:3…subset=latin,latin-ext
http://www.vtk.org/wp-content/themes/Divi-child/style.css?ver=3.0.46
http://www.vtk.org/wp-content/themes/Divi/style.css
http://www.vtk.org/wp-content/themes/Divi/epanel/s…rtcodes.css?ver=3.0.46
http://www.vtk.org/wp-content/themes/Divi/epanel/s…ponsive.css?ver=3.0.46
http://www.vtk.org/wp-content/themes/Divi/includes…c_popup.css?ver=3.0.46
http://www.vtk.org/wp-content/plugins/easy-media-g…frontend.css?ver=4.7.5
http://fonts.googleapis.com/css?family=PT+Sans
http://www.vtk.org/wp-content/plugins/easy-media-g…/animate.css?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…player-skin-yellow.css
http://www.vtk.org/wp-content/plugins/easy-media-g…udes/dynamic-style.php
http://www.vtk.org/wp-content/plugins/rest-api-pos…ds/style.css?ver=4.7.5
http://fonts.googleapis.com/css?family=Open+Sans:3…subset=latin,latin-ext
http://www.vtk.org/wp-content/themes/Divi-child/style.css?ver=3.0.46
http://www.vtk.org/wp-content/themes/Divi/style.css
http://www.vtk.org/wp-content/themes/Divi/epanel/s…rtcodes.css?ver=3.0.46
http://www.vtk.org/wp-content/themes/Divi/epanel/s…ponsive.css?ver=3.0.46
http://www.vtk.org/wp-content/themes/Divi/includes…c_popup.css?ver=3.0.46
http://www.vtk.org/wp-content/plugins/easy-media-g…frontend.css?ver=4.7.5
http://fonts.googleapis.com/css?family=PT+Sans
http://www.vtk.org/wp-content/plugins/easy-media-g…/animate.css?ver=4.7.5
http://www.vtk.org/wp-content/plugins/easy-media-g…player-skin-yellow.css
http://www.vtk.org/wp-content/plugins/easy-media-g…udes/dynamic-style.php
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://www.vtk.org/wp-content/plugins/easy-media-g…atterns/pattern-11.png (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…yles/mediabox/Dark.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…les/mediabox/Light.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…diabox/Transparent.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…ment-and-player.min.js (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…player-skin-yellow.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…udes/dynamic-style.php (expiration not specified)
http://www.vtk.org/wp-content/themes/Divi/style.css (expiration not specified)
http://www.vtk.org/wp-content/uploads/2015/03/vtk_logo-main1.png (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/3DSlicer_index.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/3d_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/ParaView_index.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/VTK-7.1.png (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/VTK-Dual-Depth-Peeling-1.png (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/infovis.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/interaction_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/lang_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/model_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/modelling_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/velodyne-1.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/viz_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/04/slider_hexa_bg.jpg (expiration not specified)
https://blog.kitware.com/wp-content/uploads/2016/01/VTKLogo.jpg (expiration not specified)
https://blog.kitware.com/wp-content/uploads/2017/0…lip-e1489432128841.gif (expiration not specified)
https://blog.kitware.com/wp-content/uploads/2017/04/vtkCookieCutter.png (expiration not specified)
http://www.google-analytics.com/analytics.js (2 hours)
http://www.vtk.org/wp-content/plugins/easy-media-g…yles/mediabox/Dark.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…les/mediabox/Light.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…diabox/Transparent.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…ment-and-player.min.js (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…player-skin-yellow.css (expiration not specified)
http://www.vtk.org/wp-content/plugins/easy-media-g…udes/dynamic-style.php (expiration not specified)
http://www.vtk.org/wp-content/themes/Divi/style.css (expiration not specified)
http://www.vtk.org/wp-content/uploads/2015/03/vtk_logo-main1.png (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/3DSlicer_index.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/3d_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/ParaView_index.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/VTK-7.1.png (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/VTK-Dual-Depth-Peeling-1.png (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/infovis.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/interaction_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/lang_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/model_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/modelling_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/velodyne-1.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/03/viz_slider.jpg (expiration not specified)
http://www.vtk.org/wp-content/uploads/2016/04/slider_hexa_bg.jpg (expiration not specified)
https://blog.kitware.com/wp-content/uploads/2016/01/VTKLogo.jpg (expiration not specified)
https://blog.kitware.com/wp-content/uploads/2017/0…lip-e1489432128841.gif (expiration not specified)
https://blog.kitware.com/wp-content/uploads/2017/04/vtkCookieCutter.png (expiration not specified)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 5Reduce server response time
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 11.8KiB (28% reduction).
Minifying http://www.vtk.org/wp-content/themes/Divi/includes…-scripts.js?ver=3.0.46 could save 7.5KiB (27% reduction) after compression.
Minifying http://www.vtk.org/wp-content/themes/Divi/js/custom.js?ver=3.0.46 could save 3.7KiB (33% reduction) after compression.
Minifying http://www.vtk.org/wp-content/themes/Divi/includes…unctions.js?ver=3.0.46 could save 551B (23% reduction) after compression.
Minifying http://www.vtk.org/wp-content/themes/Divi/js/custom.js?ver=3.0.46 could save 3.7KiB (33% reduction) after compression.
Minifying http://www.vtk.org/wp-content/themes/Divi/includes…unctions.js?ver=3.0.46 could save 551B (23% reduction) after compression.
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 8.3KiB (14% reduction).
Minifying http://www.vtk.org/wp-content/themes/Divi/style.css could save 5.1KiB (11% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…/animate.css?ver=4.7.5 could save 813B (15% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…frontend.css?ver=4.7.5 could save 773B (26% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…les/mediabox/Light.css could save 573B (30% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…yles/mediabox/Dark.css could save 564B (30% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…player-skin-yellow.css could save 512B (16% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…/animate.css?ver=4.7.5 could save 813B (15% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…frontend.css?ver=4.7.5 could save 773B (26% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…les/mediabox/Light.css could save 573B (30% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…yles/mediabox/Dark.css could save 564B (30% reduction) after compression.
Minifying http://www.vtk.org/wp-content/plugins/easy-media-g…player-skin-yellow.css could save 512B (16% reduction) after compression.
vtk.org Mobile Resource Breakdown
| Total Resources | 63 |
| Number of Hosts | 6 |
| Static Resources | 28 |
| JavaScript Resources | 22 |
| CSS Resources | 16 |
vtk.org mobile page usability
Last tested: 2017-06-01
Mobile Usability
Good
99/100
vtk.org Mobile Usability Test Quick Summary
priority - 0Size 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
<span class="et_close_search_field"> is close to 1 other tap targets.vtk.org HTML validation
Errors
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Line: 74 Column: 1 - 69
"...</script> <link rel='https://api.w.org/' href='https://www.vtk.org/wp-json/' /> <link..."
"...</script> <link rel='https://api.w.org/' href='https://www.vtk.org/wp-json/' /> <link..."
Bad value “screen,projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
Line: 82 Column: 1 - 187
"...t=xml" /> <link rel="alternate stylesheet" title="Dark" type="text/css" media="screen,projection" href="http://www.vtk.org/wp-content/plugins/easy-media-gallery-dev/css/styles/mediabox/Dark.css" /> <link..." Line: 83 Column: 1 - 189
"...k.css" /> <link rel="alternate stylesheet" title="Light" type="text/css" media="screen,projection" href="http://www.vtk.org/wp-content/plugins/easy-media-gallery-dev/css/styles/mediabox/Light.css" /> <link..." Line: 84 Column: 1 - 201
"...t.css" /> <link rel="alternate stylesheet" title="Transparent" type="text/css" media="screen,projection" href="http://www.vtk.org/wp-content/plugins/easy-media-gallery-dev/css/styles/mediabox/Transparent.css" /> <scr..."
"...t=xml" /> <link rel="alternate stylesheet" title="Dark" type="text/css" media="screen,projection" href="http://www.vtk.org/wp-content/plugins/easy-media-gallery-dev/css/styles/mediabox/Dark.css" /> <link..." Line: 83 Column: 1 - 189
"...k.css" /> <link rel="alternate stylesheet" title="Light" type="text/css" media="screen,projection" href="http://www.vtk.org/wp-content/plugins/easy-media-gallery-dev/css/styles/mediabox/Light.css" /> <link..." Line: 84 Column: 1 - 201
"...t.css" /> <link rel="alternate stylesheet" title="Transparent" type="text/css" media="screen,projection" href="http://www.vtk.org/wp-content/plugins/easy-media-gallery-dev/css/styles/mediabox/Transparent.css" /> <scr..."
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Line: 633 Column: 1 - 58
"...</script> <style id="et-builder-module-design-cached-inline-styles">.et_pb..."
"...</script> <style id="et-builder-module-design-cached-inline-styles">.et_pb..."
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
Line: 102 Column: 2 - 109
"...> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /><link ..."
"...> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /><link ..."
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
Line: 379 Column: - 200
"...f9948;"></span></span>..."
"...f9948;"></span></span>..."
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vtk.org 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.
vtk.org 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.