pjrc.com Website Information
Daily Unique Visits: 69,884
Daily Page Views: 419,304
Income Per Day: $839
Estimated Value: $604,080
This website is located in United States and is using following IP address 96.31.77.63. See the complete list of popular websites hosted in United States.
pjrc.com is registered under .COM top-level domain. Please check other sites in .COM zone.
Website pjrc.com is using the following name servers:
- ns2.pjrc.com
- ns1.pjrc.com
and is probably hosted by HVC-AS - HIVELOCITY VENTURES CORP, US. See the full list of other websites hosted by HVC-AS - HIVELOCITY VENTURES CORP, US.
The highest website pjrc.com position in Alexa rank database was 20446 and the lowest rank position was 21820. Current position of pjrc.com in Alexa rank database is 20523.
Desktop speed score of pjrc.com (70/100) is better than the results of 50.91% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of pjrc.com (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.
Mobile speed score of pjrc.com (95/100) is better than the results of 94.47% of other sites and shows that the landing page performance on mobile devices is excellent.
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pjrc.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.
pjrc.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: PJRC.COM
Registry Domain ID: 4913560_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.domaindiscover.com
Registrar URL: http://tierra.net
Updated Date: 2017-01-01T13:33:14Z
Creation Date: 1999-04-02T05:00:00Z
Registry Expiry Date: 2024-04-02T04:00:00Z
Registrar: DomainSpot LLC
Registrar IANA ID: 86
Registrar Abuse Contact Email: abuse@tierra.net
Registrar Abuse Contact Phone: 858-560-9416
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.PJRC.COM
Name Server: NS2.PJRC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-30T20:39:47Z
Registry Domain ID: 4913560_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.domaindiscover.com
Registrar URL: http://tierra.net
Updated Date: 2017-01-01T13:33:14Z
Creation Date: 1999-04-02T05:00:00Z
Registry Expiry Date: 2024-04-02T04:00:00Z
Registrar: DomainSpot LLC
Registrar IANA ID: 86
Registrar Abuse Contact Email: abuse@tierra.net
Registrar Abuse Contact Phone: 858-560-9416
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.PJRC.COM
Name Server: NS2.PJRC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-30T20:39:47Z
pjrc.com server information
Servers Location
pjrc.com desktop page speed rank
Last tested: 2019-12-12
Desktop Speed
Medium
70/100
pjrc.com Desktop Speed Test Quick Summary
priority - 32Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 314.2KiB (30% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/12/TSynth.jpg could save 63.9KiB (32% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/12/TSynth2.jpg could save 60.9KiB (38% reduction).
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Compressing https://www.pjrc.com/wp-content/uploads/2019/11/teensy4adapter_top_15.jpg could save 22.4KiB (27% reduction).
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Compressing https://www.pjrc.com/wp-content/uploads/2019/12/TSynth2.jpg could save 60.9KiB (38% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/12/OMEGA.jpg could save 41.1KiB (29% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/11/bubble_Punk.jpg could save 39.5KiB (35% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/12/OMEGA2.jpg could save 23.8KiB (25% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/11/teensy4adapter_top_15.jpg could save 22.4KiB (27% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/11/Bubble_Punk3.jpg could save 21.2KiB (41% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/11/te…_adapter_bottom_15.jpg could save 15.5KiB (29% reduction).
Compressing https://www.pjrc.com/wp-content/uploads/2019/11/dean2.jpg could save 13.7KiB (17% reduction).
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priority - 9Leverage 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.pjrc.com/img/a.gif (expiration not specified)
https://www.pjrc.com/img/logo.gif (expiration not specified)
https://www.pjrc.com/wp-content/themes/pjrc_legacy/style.css (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/oc…tor_2_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/teensy32_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/teensy36_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/te…audio_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/Bubble_Punk3.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/bubble_Punk.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/dean1.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/dean2.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/te…_adapter_bottom_15.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/teensy4adapter_top_15.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/OMEGA.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/OMEGA2.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/TSynth.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/TSynth2.jpg (expiration not specified)
https://www.pjrc.com/img/logo.gif (expiration not specified)
https://www.pjrc.com/wp-content/themes/pjrc_legacy/style.css (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/oc…tor_2_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/teensy32_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/teensy36_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2017/07/te…audio_transp_small.png (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/Bubble_Punk3.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/bubble_Punk.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/dean1.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/dean2.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/te…_adapter_bottom_15.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/11/teensy4adapter_top_15.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/OMEGA.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/OMEGA2.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/TSynth.jpg (expiration not specified)
https://www.pjrc.com/wp-content/uploads/2019/12/TSynth2.jpg (expiration not specified)
priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://www.pjrc.com/wp-content/themes/pjrc_legacy/style.css
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 560B (51% reduction).
Minifying https://www.pjrc.com/wp-content/themes/pjrc_legacy/style.css could save 560B (51% reduction) after compression.
pjrc.com Desktop Resource Breakdown
| Total Resources | 19 |
| Number of Hosts | 2 |
| Static Resources | 17 |
| CSS Resources | 1 |
pjrc.com mobile page speed rank
Last tested: 2017-05-20
Mobile Speed
Good
95/100
pjrc.com Mobile Speed Test Quick Summary
priority - 5Leverage 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.pjrc.com/dev4_lcd.jpg (expiration not specified)
https://www.pjrc.com/img/a.gif (expiration not specified)
https://www.pjrc.com/img/logo.gif (expiration not specified)
https://www.pjrc.com/store/teensy3_audio_2.jpg (expiration not specified)
https://www.pjrc.com/tech/8051/board5/lcd_128x64_1s.jpg (expiration not specified)
https://www.pjrc.com/teensy/teensy_header_pins_main.jpg (expiration not specified)
https://www.pjrc.com/img/a.gif (expiration not specified)
https://www.pjrc.com/img/logo.gif (expiration not specified)
https://www.pjrc.com/store/teensy3_audio_2.jpg (expiration not specified)
https://www.pjrc.com/tech/8051/board5/lcd_128x64_1s.jpg (expiration not specified)
https://www.pjrc.com/teensy/teensy_header_pins_main.jpg (expiration not specified)
pjrc.com Mobile Resource Breakdown
| Total Resources | 8 |
| Number of Hosts | 2 |
| Static Resources | 6 |
pjrc.com mobile page usability
Last tested: 2017-05-20
Mobile Usability
Bad
62/100
pjrc.com Mobile Usability Test Quick Summary
priority - 40Use 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.
Download Website and 3 others render only 5 pixels tall (13 CSS pixels).Home renders only 6 pixels tall (16 CSS pixels).All Projects and 4 others render only 6 pixels tall (16 CSS pixels).PJRC Store and 2 others render only 7 pixels tall (19 CSS pixels).About Paul/Robin and 6 others render only 6 pixels tall (16 CSS pixels).About PJRC renders only 6 pixels tall (16 CSS pixels).(on Paul & Robin page) renders only 4 pixels tall (10 CSS pixels).8051 Microcontroller Tools and 3 others render only 7 pixels tall (19 CSS pixels).8051 Resources And Projects: and 4 others render only 7 pixels tall (19 CSS pixels).8051 Dev Board…mbled & Tested and 12 others render only 5 pixels tall (13 CSS pixels).Fully Graphica…play Anything! and 12 others render only 5 pixels tall (13 CSS pixels).New: Beta Testing Now renders only 7 pixels tall (19 CSS pixels).This new audio….1 kHz quality and 1 others render only 6 pixels tall (16 CSS pixels).priority - 15Size 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://www.pj…in/store/step2">Checkout</a> and 2 others are close to other tap targets.The tap target
<a href="/tech/8051/">8051 Tools</a> and 2 others are close to other tap targets.The tap target
<a href="/store/">Products</a> and 3 others are close to other tap targets.The tap target
<a href="/teensy/index.html">Teensy USB Board</a> and 3 others are close to other tap targets.The tap target
<a href="/store/teensy31.html">Teensy 3.1</a> and 11 others are close to other tap targets.priority - 10Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
pjrc.com HTML validation
Errors
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Line: 11 Column: 1 - 48
"...> <body> <table width="100%" cellspacing=2 cellpadding=0> <tr><..." Line: 13 Column: 1 - 46
"...owspan=2> <table cellspacing=0 cellpadding=0 width=312> <tr><..." Line: 32 Column: 1 - 57
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
"...> <body> <table width="100%" cellspacing=2 cellpadding=0> <tr><..." Line: 13 Column: 1 - 46
"...owspan=2> <table cellspacing=0 cellpadding=0 width=312> <tr><..." Line: 32 Column: 1 - 57
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
Line: 11 Column: 1 - 48
"...> <body> <table width="100%" cellspacing=2 cellpadding=0> <tr><..." Line: 13 Column: 1 - 46
"...owspan=2> <table cellspacing=0 cellpadding=0 width=312> <tr><..." Line: 32 Column: 1 - 57
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
"...> <body> <table width="100%" cellspacing=2 cellpadding=0> <tr><..." Line: 13 Column: 1 - 46
"...owspan=2> <table cellspacing=0 cellpadding=0 width=312> <tr><..." Line: 32 Column: 1 - 57
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
Line: 11 Column: 1 - 48
"...> <body> <table width="100%" cellspacing=2 cellpadding=0> <tr><..." Line: 13 Column: 1 - 46
"...owspan=2> <table cellspacing=0 cellpadding=0 width=312> <tr><..." Line: 32 Column: 1 - 57
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
"...> <body> <table width="100%" cellspacing=2 cellpadding=0> <tr><..." Line: 13 Column: 1 - 46
"...owspan=2> <table cellspacing=0 cellpadding=0 width=312> <tr><..." Line: 32 Column: 1 - 57
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Line: 12 Column: 5 - 29
"...ng=0> <tr><td align=left rowspan=2> <tabl..." Line: 14 Column: 5 - 20
"...=312> <tr><td align=right> <img ..." Line: 18 Column: 6 - 32
"...ble> </td><td align=right valign=top> </td>..." Line: 20 Column: 5 - 34
"...</tr> <tr><td align=right valign=bottom> <smal..." Line: 34 Column: 23 - 17
"..."#D0E0FF"> <td align=center>Home</..." Line: 35 Column: 27 - 17
"...>Home</td> <td align=center><a hre..." Line: 36 Column: 49 - 17
"...ducts</td> <td align=center><a hre..." Line: 37 Column: 72 - 17
"...y</a></td> <td align=center><a hre..." Line: 38 Column: 48 - 17
"...g</a></td> <td align=center><a hre..."
"...ng=0> <tr><td align=left rowspan=2> <tabl..." Line: 14 Column: 5 - 20
"...=312> <tr><td align=right> <img ..." Line: 18 Column: 6 - 32
"...ble> </td><td align=right valign=top> </td>..." Line: 20 Column: 5 - 34
"...</tr> <tr><td align=right valign=bottom> <smal..." Line: 34 Column: 23 - 17
"..."#D0E0FF"> <td align=center>Home</..." Line: 35 Column: 27 - 17
"...>Home</td> <td align=center><a hre..." Line: 36 Column: 49 - 17
"...ducts</td> <td align=center><a hre..." Line: 37 Column: 72 - 17
"...y</a></td> <td align=center><a hre..." Line: 38 Column: 48 - 17
"...g</a></td> <td align=center><a hre..."
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Line: 18 Column: 6 - 32
"...ble> </td><td align=right valign=top> </td>..." Line: 20 Column: 5 - 34
"...</tr> <tr><td align=right valign=bottom> <smal..."
"...ble> </td><td align=right valign=top> </td>..." Line: 20 Column: 5 - 34
"...</tr> <tr><td align=right valign=bottom> <smal..."
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Line: 23 Column: 1 - 81
"...;Cart</a> <img src="https://www.pjrc.com/img/a.gif" width=10 height=10 alt="" align=middle> <a hr..." Line: 25 Column: 1 - 81
"...ckout</a> <img src="https://www.pjrc.com/img/a.gif" width=10 height=10 alt="" align=middle> <a hr..." Line: 27 Column: 1 - 81
"...;Cost</a> <img src="https://www.pjrc.com/img/a.gif" width=10 height=10 alt="" align=middle> <a hr..."
"...;Cart</a> <img src="https://www.pjrc.com/img/a.gif" width=10 height=10 alt="" align=middle> <a hr..." Line: 25 Column: 1 - 81
"...ckout</a> <img src="https://www.pjrc.com/img/a.gif" width=10 height=10 alt="" align=middle> <a hr..." Line: 27 Column: 1 - 81
"...;Cost</a> <img src="https://www.pjrc.com/img/a.gif" width=10 height=10 alt="" align=middle> <a hr..."
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Line: 32 Column: 1 - 57
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
"...</table> <table cellspacing=0 cellpadding=6 border=0 width="100%"> <tr b..."
The “bgcolor” attribute on the “tr” element is obsolete. Use CSS instead.
Line: 33 Column: 58 - 22
"...th="100%"> <tr bgcolor="#D0E0FF"> <td a..."
"...th="100%"> <tr bgcolor="#D0E0FF"> <td a..."
End tag “td” seen, but there were open elements.
Line: 35 Column: 44 - 48
"...">Products</td> <td a..."
"...">Products</td> <td a..."
Unclosed element “a”.
Line: 35 Column: 18 - 35
"...gn=center><a href="/store/">Produc..."
"...gn=center><a href="/store/">Produc..."
Attribute “gesture” not allowed on element “iframe” at this point.
Line: 90 Column: 4 - 171
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/yGrg7lsML1o?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 94 Column: 4 - 171
"...o.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/H3o08WE0zEI?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 100 Column: 4 - 171
"...t.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/ZgKr3sQNqMw?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 111 Column: 4 - 147
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/lIlRceq8_uw?feature=oembed" frameborder="0" gesture="media" allowfullscreen></ifra..."
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/yGrg7lsML1o?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 94 Column: 4 - 171
"...o.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/H3o08WE0zEI?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 100 Column: 4 - 171
"...t.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/ZgKr3sQNqMw?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 111 Column: 4 - 147
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/lIlRceq8_uw?feature=oembed" frameborder="0" gesture="media" allowfullscreen></ifra..."
Attribute “allow” not allowed on element “iframe” at this point.
Line: 90 Column: 4 - 171
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/yGrg7lsML1o?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 94 Column: 4 - 171
"...o.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/H3o08WE0zEI?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 100 Column: 4 - 171
"...t.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/ZgKr3sQNqMw?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..."
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/yGrg7lsML1o?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 94 Column: 4 - 171
"...o.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/H3o08WE0zEI?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 100 Column: 4 - 171
"...t.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/ZgKr3sQNqMw?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 90 Column: 4 - 171
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/yGrg7lsML1o?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 94 Column: 4 - 171
"...o.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/H3o08WE0zEI?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 100 Column: 4 - 171
"...t.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/ZgKr3sQNqMw?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 111 Column: 4 - 147
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/lIlRceq8_uw?feature=oembed" frameborder="0" gesture="media" allowfullscreen></ifra..."
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/yGrg7lsML1o?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 94 Column: 4 - 171
"...o.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/H3o08WE0zEI?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 100 Column: 4 - 171
"...t.</p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/ZgKr3sQNqMw?feature=oembed" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></ifra..." Line: 111 Column: 4 - 147
".../></p> <p><iframe width="840" height="473" src="https://www.youtube.com/embed/lIlRceq8_uw?feature=oembed" frameborder="0" gesture="media" allowfullscreen></ifra..."
The “center” element is obsolete. Use CSS instead.
Line: 116 Column: 2 - 9
"...s »</a> <center><div s..."
"...s »</a> <center><div s..."
End tag “div” seen, but there were open elements.
Line: 120 Column: 1 - 6
"...</center> </div> <..."
"...</center> </div> <..."
Unclosed element “ul”.
Line: 103 Column: 1 - 4
"...lude:</p> <ul> <li>C..."
"...lude:</p> <ul> <li>C..."
Warnings
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Line: 16 Column: 1 - 29
"...gn=right> <img src="https://www.pjrc.com/img/logo.gif" alt="PJRC" width=276 height=31 border=0></td><..."
"...gn=right> <img src="https://www.pjrc.com/img/logo.gif" alt="PJRC" width=276 height=31 border=0></td><..."
The “main” role is unnecessary for element “main”.
Line: 46 Column: 2 - 47
"...idebar"> <main id="main" class="site-main" role="main"> <a..."
"...idebar"> <main id="main" class="site-main" role="main"> <a..."
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: 50 Column: 3 - 26
"...eader"> <h1 class="entry-title">Featur..." Line: 62 Column: 1 - 4
"...></a></p> <h1>About ..."
"...eader"> <h1 class="entry-title">Featur..." Line: 62 Column: 1 - 4
"...></a></p> <h1>About ..."
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pjrc.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.
pjrc.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.