aperiodical.com Website Information
Daily Unique Visits: 4,694
Daily Page Views: 18,776
Income Per Day: $53
Estimated Value: $28,620
aperiodical.com is registered under .COM top-level domain. Please check other sites in .COM zone.
No name server records were found.
and is probably hosted by AS-CHOOPA - Choopa, LLC, US. See the full list of other websites hosted by AS-CHOOPA - Choopa, LLC, US.
The highest website aperiodical.com position in Alexa rank database was 62873 and the lowest rank position was 998506. Current position of aperiodical.com in Alexa rank database is 267325.
Desktop speed score of aperiodical.com (63/100) is better than the results of 39.87% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of aperiodical.com (98/100) is better than the results of 55.61% of other sites and means that the page is mobile-friendly.
Mobile speed score of aperiodical.com (55/100) is better than the results of 43.86% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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aperiodical.com 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.
aperiodical.com 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: APERIODICAL.COM
Registry Domain ID: 1700222860_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.ovh.com
Registrar URL: http://www.ovh.com
Updated Date: 2023-12-24T09:59:10Z
Creation Date: 2012-02-03T11:00:06Z
Registry Expiry Date: 2028-02-03T11:00:06Z
Registrar: OVH sas
Registrar IANA ID: 433
Registrar Abuse Contact Email: abuse@ovh.net
Registrar Abuse Contact Phone: +33.972101007
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS18.OVH.NET
Name Server: NS18.OVH.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-11-14T08:16:07Z
Registry Domain ID: 1700222860_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.ovh.com
Registrar URL: http://www.ovh.com
Updated Date: 2023-12-24T09:59:10Z
Creation Date: 2012-02-03T11:00:06Z
Registry Expiry Date: 2028-02-03T11:00:06Z
Registrar: OVH sas
Registrar IANA ID: 433
Registrar Abuse Contact Email: abuse@ovh.net
Registrar Abuse Contact Phone: +33.972101007
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS18.OVH.NET
Name Server: NS18.OVH.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-11-14T08:16:07Z
aperiodical.com server information
Servers Location
aperiodical.com desktop page speed rank
Last tested: 2015-10-02
Desktop Speed
Bad
63/100
aperiodical.com Desktop Speed Test Quick Summary
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priority - 7Reduce server response time
priority - 2Prioritize visible content
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aperiodical.com Desktop Resource Breakdown
| Total Resources | 69 |
| Number of Hosts | 13 |
| Static Resources | 54 |
| JavaScript Resources | 25 |
| CSS Resources | 9 |
aperiodical.com mobile page speed rank
Last tested: 2019-07-06
Mobile Speed
Bad
55/100
aperiodical.com Mobile Speed Test Quick Summary
priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
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https://aperiodical.com/wp-includes/js/wp-embed.min.js (expiration not specified)
https://aperiodical.com/fonts/Concrete/cmunobx.woff (expiration not specified)
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priority - 19Reduce server response time
In our test, your server responded in 1.5 seconds.
priority - 13Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 125.2KiB (41% reduction).
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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 933B (16% reduction).
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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 879B (25% reduction).
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priority - 0Minify HTML
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Minify HTML for the following resources to reduce their size by 588B (11% reduction).
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aperiodical.com Mobile Resource Breakdown
| Total Resources | 45 |
| Number of Hosts | 5 |
| Static Resources | 37 |
| JavaScript Resources | 16 |
| CSS Resources | 8 |
aperiodical.com mobile page usability
Last tested: 2019-07-06
Mobile Usability
Good
98/100
aperiodical.com Mobile Usability Test Quick Summary
priority - 2Size 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://aperiodical.com/about/">About</a> and 3 others are close to other tap targets.The tap target
<input id="s" type="text" name="s"> is close to 1 other tap targets.The tap target
<button id="searchsubmit" type="submit" class="button">Search</button> is close to 1 other tap targets.The tap target
<label for="s">Search</label> is close to 1 other tap targets.The tap target
<a href="https://aperio…math-off-2019/">The Big Internet Math-Off 2019</a> and 4 others are close to other tap targets.The tap target
<a href="https://aperio…or/christianp/" class="author url fn">Christian Lawson-Perfect</a> and 6 others are close to other tap targets.aperiodical.com HTML validation
Warnings
The “type” attribute for the “style” element is not needed and should be omitted.
Line: 43 Column: 1 - 48
"...='all' /> <style id='wp-polls-inline-css' type='text/css'> .wp-p..." Line: 71 Column: 3 - 25
"...ary" /> <style type="text/css"> ..."
"...='all' /> <style id='wp-polls-inline-css' type='text/css'> .wp-p..." Line: 71 Column: 3 - 25
"...ary" /> <style type="text/css"> ..."
The “type” attribute is unnecessary for JavaScript resources.
Line: 57 Column: 1 - 93
"...='all' /> <script type='text/javascript' src='https://aperiodical.com/wp-includes/js/jquery/jquery.js'></scri..." Line: 58 Column: 1 - 105
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-includes/js/jquery/jquery-migrate.min.js'></scri..." Line: 59 Column: 1 - 106
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/plugins/peekaboo/assets/global.js'></scri..." Line: 61 Column: 1 - 31
"...json/' /> <script type="text/javascript"><!-- f..." Line: 285 Column: 1 - 89
"...> </div> <script type='text/javascript' src='https://s0.wp.com/wp-content/js/devicepx-jetpack.js'></scri..." Line: 286 Column: 1 - 87
"...</script> <script type='text/javascript' src='https://aperiodical.com/MathJax3/es5/tex-chtml.js'></scri..." Line: 287 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 292 Column: 1 - 101
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/plugins/wp-polls/polls-js.js'></scri..." Line: 293 Column: 1 - 81
"...</script> <script type='text/javascript' src='https://secure.gravatar.com/js/gprofiles.js'></scri..." Line: 294 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 299 Column: 1 - 107
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/plugins/jetpack/modules/wpgroho.js'></scri..." Line: 300 Column: 1 - 118
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/themes/aperiodical/library/js/sortable.min.js'></scri..." Line: 301 Column: 1 - 113
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/themes/aperiodical/library/js/scripts.js'></scri..." Line: 302 Column: 1 - 92
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-includes/js/wp-embed.min.js'></scri..." Line: 303 Column: 1 - 98
"...</script> <script type='text/javascript' src='https://stats.wp.com/e-201944.js' async='async' defer='defer'></scri..." Line: 304 Column: 1 - 31
"...</script> <script type='text/javascript'> _stq..."
"...='all' /> <script type='text/javascript' src='https://aperiodical.com/wp-includes/js/jquery/jquery.js'></scri..." Line: 58 Column: 1 - 105
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-includes/js/jquery/jquery-migrate.min.js'></scri..." Line: 59 Column: 1 - 106
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/plugins/peekaboo/assets/global.js'></scri..." Line: 61 Column: 1 - 31
"...json/' /> <script type="text/javascript"><!-- f..." Line: 285 Column: 1 - 89
"...> </div> <script type='text/javascript' src='https://s0.wp.com/wp-content/js/devicepx-jetpack.js'></scri..." Line: 286 Column: 1 - 87
"...</script> <script type='text/javascript' src='https://aperiodical.com/MathJax3/es5/tex-chtml.js'></scri..." Line: 287 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 292 Column: 1 - 101
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/plugins/wp-polls/polls-js.js'></scri..." Line: 293 Column: 1 - 81
"...</script> <script type='text/javascript' src='https://secure.gravatar.com/js/gprofiles.js'></scri..." Line: 294 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 299 Column: 1 - 107
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/plugins/jetpack/modules/wpgroho.js'></scri..." Line: 300 Column: 1 - 118
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/themes/aperiodical/library/js/sortable.min.js'></scri..." Line: 301 Column: 1 - 113
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-content/themes/aperiodical/library/js/scripts.js'></scri..." Line: 302 Column: 1 - 92
"...</script> <script type='text/javascript' src='https://aperiodical.com/wp-includes/js/wp-embed.min.js'></scri..." Line: 303 Column: 1 - 98
"...</script> <script type='text/javascript' src='https://stats.wp.com/e-201944.js' async='async' defer='defer'></scri..." Line: 304 Column: 1 - 31
"...</script> <script type='text/javascript'> _stq..."
The “banner” role is unnecessary for element “header”.
Line: 78 Column: 3 - 39
"... blog"> <header class="header" role="banner"> <a..."
"... blog"> <header class="header" role="banner"> <a..."
The “navigation” role is unnecessary for element “nav”.
Line: 86 Column: 3 - 39
"...eader> <nav role="navigation" id="site-nav"> <u..."
"...eader> <nav role="navigation" id="site-nav"> <u..."
The “article” role is unnecessary for element “article”.
Line: 103 Column: 3 - 280
"...posts"> <article id="post-21461" class="post-21461 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-arc tag-concave tag-facet tag-nonperiodic tag-pattern tag-pentagon tag-periodic tag-puzzle tag-radial tag-tiles tag-tiling" role="article"> <he..." Line: 112 Column: 3 - 242
"...rticle> <article id="post-21589" class="post-21589 post type-post status-publish format-standard has-post-thumbnail hentry category-reviews tag-epidemiology tag-hippasus tag-kit-yates tag-sally-clark tag-the-maths-of-life-and-death" role="article"> <he..." Line: 121 Column: 3 - 235
"...rticle> <article id="post-21544" class="post-21544 post type-post status-publish format-standard has-post-thumbnail hentry category-features category-irregulars tag-drug-approval tag-kit-yates tag-the-maths-of-life-and-death" role="article"> <he..." Line: 130 Column: 3 - 215
"...rticle> <article id="post-21566" class="post-21566 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-average tag-cm-define-it tag-lucy-rycroft-smith tag-words" role="article"> <he..." Line: 139 Column: 3 - 216
"...rticle> <article id="post-21526" class="post-21526 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-enrico-fermi tag-fermi-problems tag-maths-jam tag-mathsjam" role="article"> <he..." Line: 148 Column: 3 - 219
"...rticle> <article id="post-21523" class="post-21523 post type-post status-publish format-standard has-post-thumbnail hentry category-blackboard-bold category-carnival-of-mathematics tag-carnival-of-mathematics" role="article"> <he..." Line: 157 Column: 3 - 310
"...rticle> <article id="post-21504" class="post-21504 post type-post status-publish format-aside has-post-thumbnail hentry category-news tag-international-day-of-mathematics tag-international-mathematical-union tag-mathematics-is-everywhere tag-pi-day tag-piday tag-unesco post_format-post-format-aside" role="article"> <he..."
"...posts"> <article id="post-21461" class="post-21461 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-arc tag-concave tag-facet tag-nonperiodic tag-pattern tag-pentagon tag-periodic tag-puzzle tag-radial tag-tiles tag-tiling" role="article"> <he..." Line: 112 Column: 3 - 242
"...rticle> <article id="post-21589" class="post-21589 post type-post status-publish format-standard has-post-thumbnail hentry category-reviews tag-epidemiology tag-hippasus tag-kit-yates tag-sally-clark tag-the-maths-of-life-and-death" role="article"> <he..." Line: 121 Column: 3 - 235
"...rticle> <article id="post-21544" class="post-21544 post type-post status-publish format-standard has-post-thumbnail hentry category-features category-irregulars tag-drug-approval tag-kit-yates tag-the-maths-of-life-and-death" role="article"> <he..." Line: 130 Column: 3 - 215
"...rticle> <article id="post-21566" class="post-21566 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-average tag-cm-define-it tag-lucy-rycroft-smith tag-words" role="article"> <he..." Line: 139 Column: 3 - 216
"...rticle> <article id="post-21526" class="post-21526 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-enrico-fermi tag-fermi-problems tag-maths-jam tag-mathsjam" role="article"> <he..." Line: 148 Column: 3 - 219
"...rticle> <article id="post-21523" class="post-21523 post type-post status-publish format-standard has-post-thumbnail hentry category-blackboard-bold category-carnival-of-mathematics tag-carnival-of-mathematics" role="article"> <he..." Line: 157 Column: 3 - 310
"...rticle> <article id="post-21504" class="post-21504 post type-post status-publish format-aside has-post-thumbnail hentry category-news tag-international-day-of-mathematics tag-international-mathematical-union tag-mathematics-is-everywhere tag-pi-day tag-piday tag-unesco post_format-post-format-aside" role="article"> <he..."
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Line: 108 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 117 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 126 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 135 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 144 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 153 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 162 Column: 3 - 33
"...header> <section class="entry-content"> <..."
"...header> <section class="entry-content"> <a..." Line: 117 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 126 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 135 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 144 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 153 Column: 3 - 33
"...header> <section class="entry-content"> <a..." Line: 162 Column: 3 - 33
"...header> <section class="entry-content"> <..."
The “contentinfo” role is unnecessary for element “footer”.
Line: 279 Column: 3 - 44
"...</div> <footer class="footer" role="contentinfo"> <p..."
"...</div> <footer class="footer" role="contentinfo"> <p..."
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Line: 106 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 115 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 133 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 151 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 124 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 142 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 160 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..."
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 115 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 133 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 151 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 124 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 142 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..." Line: 160 Column: 4 - 30
"...</div> <h1 class="h2 entry-title"><a hre..."
Errors
The element “label” must not appear as a descendant of the “button” element.
Line: 96 Column: 59 - 73
"...chsubmit"><label for="s">Search..."
"...chsubmit"><label for="s">Search..."
Element “article” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Line: 103 Column: 3 - 280
"...posts"> <article id="post-21461" class="post-21461 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-arc tag-concave tag-facet tag-nonperiodic tag-pattern tag-pentagon tag-periodic tag-puzzle tag-radial tag-tiles tag-tiling" role="article"> <he..." Line: 112 Column: 3 - 242
"...rticle> <article id="post-21589" class="post-21589 post type-post status-publish format-standard has-post-thumbnail hentry category-reviews tag-epidemiology tag-hippasus tag-kit-yates tag-sally-clark tag-the-maths-of-life-and-death" role="article"> <he..." Line: 121 Column: 3 - 235
"...rticle> <article id="post-21544" class="post-21544 post type-post status-publish format-standard has-post-thumbnail hentry category-features category-irregulars tag-drug-approval tag-kit-yates tag-the-maths-of-life-and-death" role="article"> <he..." Line: 130 Column: 3 - 215
"...rticle> <article id="post-21566" class="post-21566 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-average tag-cm-define-it tag-lucy-rycroft-smith tag-words" role="article"> <he..." Line: 139 Column: 3 - 216
"...rticle> <article id="post-21526" class="post-21526 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-enrico-fermi tag-fermi-problems tag-maths-jam tag-mathsjam" role="article"> <he..." Line: 148 Column: 3 - 219
"...rticle> <article id="post-21523" class="post-21523 post type-post status-publish format-standard has-post-thumbnail hentry category-blackboard-bold category-carnival-of-mathematics tag-carnival-of-mathematics" role="article"> <he..." Line: 157 Column: 3 - 310
"...rticle> <article id="post-21504" class="post-21504 post type-post status-publish format-aside has-post-thumbnail hentry category-news tag-international-day-of-mathematics tag-international-mathematical-union tag-mathematics-is-everywhere tag-pi-day tag-piday tag-unesco post_format-post-format-aside" role="article"> <he..."
"...posts"> <article id="post-21461" class="post-21461 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-arc tag-concave tag-facet tag-nonperiodic tag-pattern tag-pentagon tag-periodic tag-puzzle tag-radial tag-tiles tag-tiling" role="article"> <he..." Line: 112 Column: 3 - 242
"...rticle> <article id="post-21589" class="post-21589 post type-post status-publish format-standard has-post-thumbnail hentry category-reviews tag-epidemiology tag-hippasus tag-kit-yates tag-sally-clark tag-the-maths-of-life-and-death" role="article"> <he..." Line: 121 Column: 3 - 235
"...rticle> <article id="post-21544" class="post-21544 post type-post status-publish format-standard has-post-thumbnail hentry category-features category-irregulars tag-drug-approval tag-kit-yates tag-the-maths-of-life-and-death" role="article"> <he..." Line: 130 Column: 3 - 215
"...rticle> <article id="post-21566" class="post-21566 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-average tag-cm-define-it tag-lucy-rycroft-smith tag-words" role="article"> <he..." Line: 139 Column: 3 - 216
"...rticle> <article id="post-21526" class="post-21526 post type-post status-publish format-standard has-post-thumbnail hentry category-irregulars tag-enrico-fermi tag-fermi-problems tag-maths-jam tag-mathsjam" role="article"> <he..." Line: 148 Column: 3 - 219
"...rticle> <article id="post-21523" class="post-21523 post type-post status-publish format-standard has-post-thumbnail hentry category-blackboard-bold category-carnival-of-mathematics tag-carnival-of-mathematics" role="article"> <he..." Line: 157 Column: 3 - 310
"...rticle> <article id="post-21504" class="post-21504 post type-post status-publish format-aside has-post-thumbnail hentry category-news tag-international-day-of-mathematics tag-international-mathematical-union tag-mathematics-is-everywhere tag-pi-day tag-piday tag-unesco post_format-post-format-aside" role="article"> <he..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 195 Column: 97 - 187
"...l-world/"><img src="https://aperiodical.com/wp-content/uploads/2012/04/travels-ap-station-100.jpg" /></a> ..." Line: 204 Column: 50 - 134
"...ing.com/"><img src="https://aperiodical.com/wp-content/uploads/2012/04/cps-mathem-o-blog.jpg"/></a> ..." Line: 213 Column: 81 - 162
"...rd-bold/"><img src="https://aperiodical.com/wp-content/uploads/2012/04/blackboardbold.png"/></a> ..." Line: 223 Column: 76 - 163
"...y-maths/"><img src="https://aperiodical.com/wp-content/uploads/2012/04/artymaths-melancolia.jpg"/></a> ..." Line: 234 Column: 74 - 160
"...athsjam/"><img src="https://aperiodical.com/wp-content/uploads/2012/09/mathsjamicon_new_sm.jpg"/></a> ..." Line: 243 Column: 76 - 167
"...zlebomb/"><img src="https://aperiodical.com/wp-content/uploads/2012/04/puzzlebomb_square-greybg.png"/></a> ..."
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aperiodical.com 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.
aperiodical.com 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.