TFCBOOKS.COM Nikola Tesla Information Resource | Books and Online Files

tfcbooks.com Website Information

Daily Unique Visits: 8,642

Daily Page Views: 43,210

Income Per Day: $108

Estimated Value: $64,800

tfcbooks.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 HOSTCOLLECTIVE - Host Collective, Inc., US. See the full list of other websites hosted by HOSTCOLLECTIVE - Host Collective, Inc., US.

The highest website tfcbooks.com position in Alexa rank database was 82698 and the lowest rank position was 999457. Current position of tfcbooks.com in Alexa rank database is 157667.

Desktop speed score of tfcbooks.com (88/100) is better than the results of 85.98% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of tfcbooks.com (61/100) is better than the results of 5.47% of other sites and means that the page is not mobile-friendly.

Mobile speed score of tfcbooks.com (88/100) is better than the results of 91.94% of other sites and shows that the landing page performance on mobile devices is excellent.

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tfcbooks.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.


tfcbooks.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: TFCBOOKS.COM
Registry Domain ID: 1733798_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-06-11T11:20:54Z
Creation Date: 1998-08-07T04:00:00Z
Registry Expiry Date: 2027-08-06T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.DISCOUNTASP.NET
Name Server: NS2.DISCOUNTASP.NET
Name Server: NS3.DISCOUNTASP.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-11-15T10:18:27Z

tfcbooks.com server information

Servers Location

tfcbooks.com desktop page speed rank

Last tested: 2019-09-05


Desktop Speed Good
88/100

tfcbooks.com Desktop Speed Test Quick Summary


priority - 4Leverage 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://tfcbooks.com/images/MC.gif (expiration not specified)
http://tfcbooks.com/images/beige11.gif (expiration not specified)
http://tfcbooks.com/images/clear1px.gif (expiration not specified)
http://tfcbooks.com/images/discover.gif (expiration not specified)
http://tfcbooks.com/images/misc/factor_actus.gif (expiration not specified)
http://tfcbooks.com/images/misc/tower.gif (expiration not specified)
http://tfcbooks.com/images/t-fcb.bmp (expiration not specified)
http://tfcbooks.com/images/visatiny.gif (expiration not specified)
http://www.teslascience.org/archive/photographs/NT1933.jpg (4 hours)

priority - 2Enable 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 21.6KiB (66% reduction).

Compressing http://tfcbooks.com/ could save 21.6KiB (66% reduction).

priority - 2Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 20.8KiB (83% reduction).

Compressing and resizing http://www.teslascience.org/archive/photographs/NT1933.jpg could save 18.1KiB (86% reduction).
Compressing http://tfcbooks.com/images/clear1px.gif could save 739B (91% reduction).
Compressing http://tfcbooks.com/images/beige11.gif could save 738B (91% reduction).
Compressing http://tfcbooks.com/images/visatiny.gif could save 656B (56% reduction).
Compressing http://tfcbooks.com/images/MC.gif could save 612B (52% reduction).

priority - 2Minify 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 18.3KiB (56% reduction).

Minifying http://tfcbooks.com/ could save 18.3KiB (56% 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 6.6KiB (95% reduction).

Minifying https://search.yahoo.com/?fr=altavista could save 6.6KiB (95% reduction) after compression.

tfcbooks.com Desktop Resource Breakdown

Total Resources14
Number of Hosts5
Static Resources10
JavaScript Resources1

tfcbooks.com mobile page speed rank

Last tested: 2019-11-06


Mobile Speed Good
88/100

tfcbooks.com Mobile Speed Test Quick Summary


priority - 7Leverage 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://tfcbooks.com/images/MC.gif (expiration not specified)
http://tfcbooks.com/images/beige11.gif (expiration not specified)
http://tfcbooks.com/images/clear1px.gif (expiration not specified)
http://tfcbooks.com/images/discover.gif (expiration not specified)
http://tfcbooks.com/images/misc/factor_actus.gif (expiration not specified)
http://tfcbooks.com/images/misc/tower.gif (expiration not specified)
http://tfcbooks.com/images/t-fcb.bmp (expiration not specified)
http://tfcbooks.com/images/visatiny.gif (expiration not specified)
http://www.teslascience.org/archive/photographs/NT1933.jpg (4 hours)

priority - 2Enable 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 21.6KiB (66% reduction).

Compressing http://tfcbooks.com/ could save 21.6KiB (66% reduction).

priority - 2Minify 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 18.3KiB (56% reduction).

Minifying http://tfcbooks.com/ could save 18.3KiB (56% reduction).

priority - 1Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 6.2KiB (25% reduction).

Compressing http://www.teslascience.org/archive/photographs/NT1933.jpg could save 3.5KiB (17% reduction).
Compressing http://tfcbooks.com/images/clear1px.gif could save 739B (91% reduction).
Compressing http://tfcbooks.com/images/beige11.gif could save 738B (91% reduction).
Compressing http://tfcbooks.com/images/visatiny.gif could save 656B (56% reduction).
Compressing http://tfcbooks.com/images/MC.gif could save 612B (52% reduction).

tfcbooks.com Mobile Resource Breakdown

Total Resources14
Number of Hosts5
Static Resources10
JavaScript Resources1

tfcbooks.com mobile page usability

Last tested: 2019-11-06


Mobile Usability Bad
61/100

tfcbooks.com Mobile Usability Test Quick Summary


priority - 38Use 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.

Tesla Writings and 15 others render only 5 pixels tall (13 CSS pixels).

| and 1 others render only 6 pixels tall (16 CSS pixels).

Breckenridge, CO 80424-2001 and 12 others render only 5 pixels tall (13 CSS pixels).

Tesla on criti…ce management, and 2 others render only 7 pixels tall (18 CSS pixels).

THE NEXT GREAT…HERIC MOISTURE renders only 6 pixels tall (16 CSS pixels).

Every human effort and 1 others render only 6 pixels tall (16 CSS pixels).

must of necess…e practicable. and 31 others render only 5 pixels tall (13 CSS pixels).

-- renders only 6 pixels tall (16 CSS pixels).

Nikola…ssion of Power and 19 others render only 5 pixels tall (13 CSS pixels).

MINUTES OF THE…, MAY 18, 1917 and 3 others render only 5 pixels tall (13 CSS pixels).

As ever, the…wireless dawn. renders only 5 pixels tall (13 CSS pixels).

Ordering Instructions renders only 7 pixels tall (18 CSS pixels).

Order Form renders only 7 pixels tall (18 CSS pixels).

Century Books and 3 others render only 5 pixels tall (13 CSS pixels).

st and 1 others render only 4 pixels tall (11 CSS pixels).

FEEDLINE renders only 5 pixels tall (13 CSS pixels).

An Introduc…communications and 6 others render only 6 pixels tall (16 CSS pixels).

The Bookmobile Webring and 2 others render only 5 pixels tall (13 CSS pixels).

VISA, MasterCard & DISCOVER and 1 others render only 5 pixels tall (13 CSS pixels).

This site was last updated on and 3 others render only 5 pixels tall (13 CSS pixels).

Search www.tfcbooks.com and 1 others render only 5 pixels tall (13 CSS pixels).

1998-2019 Twen…ooks, Colorado and 1 others render only 4 pixels tall (10 CSS pixels).

priority - 19Size 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="default.htm">Home</a> and 19 others are close to other tap targets.

The tap target <a href="tesla/contents.htm#FSTA">Selected…Tesla Writings</a> and 30 others are close to other tap targets.

The tap target <a href="tesla/truewire.htm">An Introduc…communications</a> and 7 others are close to other tap targets.

The tap target <a href="mainpage/links.htm#BMOB">The Bookmobile Webring</a> is close to 3 other tap targets.

The tap target <a href="mainpage/links.htm#BRING">Bibliomania Webring</a> and 2 others are close to other tap targets.

The tap target <input type="text" name="q"> is close to 2 other tap targets.

The tap target <input type="submit" name="sa"> is close to 1 other tap targets.

The tap target <input type="radio" name="sitesearch"> and 1 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.

tfcbooks.com HTML validation

Errors

The character encoding was not declared. Proceeding using “windows-1252”.

Line: Column: -
"......"

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 6
"...<html> <hea..."

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

Line: 24 Column: 1 - 24
"...tors"--> <body bgcolor="#FFFFFF"> <tab..."

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Line: 26 Column: 1 - 63
"...FFFFFF"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr..." Line: 386 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 453 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 485 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <ce..."

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

Line: 26 Column: 1 - 63
"...FFFFFF"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 26 Column: 1 - 63
"...FFFFFF"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr..." Line: 367 Column: 3 - 33
".../table> <table border="0" width="100%"> <..." Line: 386 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 453 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 485 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <ce..."

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Line: 26 Column: 1 - 63
"...FFFFFF"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr..." Line: 367 Column: 3 - 33
".../table> <table border="0" width="100%"> <..." Line: 386 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 453 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 485 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <ce..."

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Line: 28 Column: 7 - 59
"...%"> <tr> <td valign="middle" width="100%" align="center" nowrap> ..." Line: 34 Column: 7 - 59
"...tr> <tr> <td valign="middle" width="100%" align="center" nowrap><font ..." Line: 54 Column: 7 - 52
"...tr> <tr> <td valign="middle" align="center" width="100%"></td> ..." Line: 57 Column: 7 - 52
"...tr> <tr> <td valign="middle" align="center" width="100%"></td> ..." Line: 60 Column: 7 - 63
"...tr> <tr> <td valign="middle" width="98%" align="center" colspan="2"><img s..." Line: 388 Column: 9 - 36
"...> <tr> <td valign="top" align="left"><img s..." Line: 390 Column: 12 - 38
"... </td> <td valign="top" align="center"> ..." Line: 448 Column: 8 - 38
"...r> </td> <td valign="top" align="center"> ..." Line: 455 Column: 9 - 36
"...> <tr> <td valign="top" align="left"></td> ..." Line: 456 Column: 42 - 51
"...eft"></td> <td valign="middle" align="left" width="30%"> ..." Line: 465 Column: 43 - 39
"...font></td> <td valign="middle" align="left"> ..." Line: 471 Column: 18 - 51
"... </a></td> <td valign="middle" align="left" width="30%"> ..." Line: 481 Column: 12 - 37
"... </td> <td valign="top" align="right"> ..."

The “width” attribute on the “td” element is obsolete. Use CSS instead.

Line: 28 Column: 7 - 59
"...%"> <tr> <td valign="middle" width="100%" align="center" nowrap> ..." Line: 34 Column: 7 - 59
"...tr> <tr> <td valign="middle" width="100%" align="center" nowrap><font ..." Line: 54 Column: 7 - 52
"...tr> <tr> <td valign="middle" align="center" width="100%"></td> ..." Line: 57 Column: 7 - 52
"...tr> <tr> <td valign="middle" align="center" width="100%"></td> ..." Line: 60 Column: 7 - 63
"...tr> <tr> <td valign="middle" width="98%" align="center" colspan="2"><img s..." Line: 369 Column: 9 - 21
"...> <tr> <td width="26"><img s..." Line: 370 Column: 115 - 22
"...="1"></td> <td width="33%"> ..." Line: 374 Column: 12 - 22
"... </td> <td width="33%"> <h3 a..." Line: 377 Column: 12 - 37
"... </td> <td width="33%" align="center"> ..." Line: 382 Column: 12 - 21
"... </td> <td width="25"><img s..." Line: 456 Column: 42 - 51
"...eft"></td> <td valign="middle" align="left" width="30%"> ..." Line: 471 Column: 18 - 51
"... </a></td> <td valign="middle" align="left" width="30%"> ..."

The “align” attribute on the “td” element is obsolete. Use CSS instead.

Line: 28 Column: 7 - 59
"...%"> <tr> <td valign="middle" width="100%" align="center" nowrap> ..." Line: 34 Column: 7 - 59
"...tr> <tr> <td valign="middle" width="100%" align="center" nowrap><font ..." Line: 54 Column: 7 - 52
"...tr> <tr> <td valign="middle" align="center" width="100%"></td> ..." Line: 57 Column: 7 - 52
"...tr> <tr> <td valign="middle" align="center" width="100%"></td> ..." Line: 60 Column: 7 - 63
"...tr> <tr> <td valign="middle" width="98%" align="center" colspan="2"><img s..." Line: 377 Column: 12 - 37
"... </td> <td width="33%" align="center"> ..." Line: 388 Column: 9 - 36
"...> <tr> <td valign="top" align="left"><img s..." Line: 390 Column: 12 - 38
"... </td> <td valign="top" align="center"> ..." Line: 448 Column: 8 - 38
"...r> </td> <td valign="top" align="center"> ..." Line: 455 Column: 9 - 36
"...> <tr> <td valign="top" align="left"></td> ..." Line: 456 Column: 42 - 51
"...eft"></td> <td valign="middle" align="left" width="30%"> ..." Line: 465 Column: 43 - 39
"...font></td> <td valign="middle" align="left"> ..." Line: 471 Column: 18 - 51
"... </a></td> <td valign="middle" align="left" width="30%"> ..." Line: 481 Column: 12 - 37
"... </td> <td valign="top" align="right"> ..."

The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.

Line: 28 Column: 7 - 59
"...%"> <tr> <td valign="middle" width="100%" align="center" nowrap> ..." Line: 34 Column: 7 - 59
"...tr> <tr> <td valign="middle" width="100%" align="center" nowrap><font ..."

The “align” attribute on the “p” element is obsolete. Use CSS instead.

Line: 29 Column: 7 - 24
"...ap> <p align="center"> <im..." Line: 75 Column: 3 - 21
"... <p align="justify"><font ..." Line: 99 Column: 8 - 26
"... <p align="justify"><font ..." Line: 391 Column: 9 - 27
"...> <p align="justify"><font ..." Line: 412 Column: 29 - 47
"...cy.</font><p align="justify"><font ..." Line: 432 Column: 9 - 27
"...> <p align="justify"><font ..." Line: 437 Column: 77 - 94
"...ow.</font><p align="center">&nbsp;..." Line: 437 Column: 101 - 118
"...er">&nbsp;<p align="center"> <fo..." Line: 457 Column: 9 - 24
"...> <p align="left"> ..." Line: 466 Column: 9 - 26
"...> <p align="center"> ..." Line: 472 Column: 9 - 25
"...> <p align="right"> ..."

The “font” element is obsolete. Use CSS instead.

Line: 34 Column: 60 - 87
"...r" nowrap><font face="Arial" size="2"><a hre..." Line: 35 Column: 17 - 44
"...</font> | <font face="Arial" size="2"><a hre..." Line: 37 Column: 58 - 85
"...> </font> <font face="Arial" size="2"> | ..." Line: 38 Column: 27 - 70
"...| </font> <font face="Arial" size="2" color="#000080"><stron..." Line: 40 Column: 9 - 36
"...> <font face="Arial" size="2"> <a ..." Line: 42 Column: 61 - 88
"...sary.htm"><font face="Arial" size="2">Glossa..." Line: 42 Column: 108 - 135
".../font></a><font face="Arial" size="2"> ..." Line: 48 Column: 9 - 36
"...> | <font face="Arial" size="2"> <a hr..." Line: 49 Column: 32 - 59
"...arch.htm"><font face="Arial" size="2">Search..." Line: 50 Column: 2 - 29
"...ont></a> <font face="Arial" size="2"> | </f..." Line: 50 Column: 72 - 99
"..._map.htm"><font face="Arial" size="2">Site ..." Line: 68 Column: 6 - 33
"...>--> <b><font face="Arial" size="4">&nbsp;..." Line: 70 Column: 3 - 30
"...</font> <font face="Arial" size="3"> <a ta..." Line: 72 Column: 40 - 67
".../a></font><font face="Arial" size="4"> * * *..." Line: 75 Column: 22 - 40
"..."justify"><font face="Arial"><b>In ..." Line: 75 Column: 59 - 73
"...lorado</b><font size="2"> I..." Line: 83 Column: 26 - 53
".../font> -- <font face="Arial" size="2"> ..." Line: 99 Column: 27 - 45
"..."justify"><font face="Arial"><b>Eve..." Line: 99 Column: 78 - 105
".../b></font><font face="Arial" size="2"> mu..." Line: 371 Column: 16 - 43
"... <h3><b><font face="Arial" size="4"> <a ..." Line: 375 Column: 20 - 47
"...="center"><font face="Arial" size="5"><a hre..." Line: 379 Column: 17 - 44
"... <strong><font face="Arial" size="4"> <a ..." Line: 391 Column: 28 - 55
"..."justify"><font face="Arial" size="2"> ..." Line: 412 Column: 48 - 75
"..."justify"><font face="Arial" size="2"><a hre..." Line: 432 Column: 28 - 55
"..."justify"><font face="Arial" size="2">In ord..." Line: 438 Column: 3 - 30
"...enter"> <font face="Arial" size="3"><b><a ..." Line: 458 Column: 46 - 73
"...#BMOB"><b><font size="2" face="Arial">The ..." Line: 461 Column: 12 - 39
"... <b><font size="2" face="Arial"><a hre..." Line: 463 Column: 9 - 36
"...> <font face="Arial" size="2"><a hre..." Line: 467 Column: 9 - 36
"...> <font size="2" face="Arial"><br> ..." Line: 468 Column: 52 - 79
"...1.htm"><b><font face="Arial" size="5">Newsle..." Line: 473 Column: 12 - 65
"... <b><font face="arial,helvetica" size="2" color="#FF0000">VISA, ..." Line: 475 Column: 20 - 47
".../font></b><font face="Arial" size="2"> <img ..." Line: 477 Column: 9 - 62
"...> <font face="arial,helvetica" size="2" color="#FF0000"><b> Ac..."

Bad value “98%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Line: 60 Column: 64 - 142
"...lspan="2"><img src="images/beige11.gif" width="98%" height="3" vspace="8" align="center"></td> ..."

The “vspace” attribute on the “img” element is obsolete. Use CSS instead.

Line: 60 Column: 64 - 142
"...lspan="2"><img src="images/beige11.gif" width="98%" height="3" vspace="8" align="center"></td> ..." Line: 115 Column: 3 - 89
"... <td> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="2"></td> ..." Line: 361 Column: 11 - 97
"... <td><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"></td> ..." Line: 369 Column: 22 - 109
"...idth="26"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 382 Column: 22 - 109
"...idth="25"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 388 Column: 37 - 123
"...gn="left"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..." Line: 392 Column: 38 - 260
"...tbio.htm"><img src="http://www.teslascience.org/archive/photographs/NT1933.jpg" alt="The biography &quot;Nikola Tesla -- A Man of Comprehensive Solutions&quot;" align="left" hspace="10" border="1" vspace="5" width="104" height="131"></a>Th..." Line: 412 Column: 108 - 294
"...ment.htm"><img src="images/misc/tower.gif" alt="The paper &quot;A Museum at Wardenclyffe -- A Monument to Nikola Tesla&quot;" align="right" border="1" hspace="8" vspace="1" width="98" height="140"></a><b..." Line: 449 Column: 9 - 95
"...> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..."

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Line: 60 Column: 64 - 142
"...lspan="2"><img src="images/beige11.gif" width="98%" height="3" vspace="8" align="center"></td> ..." Line: 392 Column: 38 - 260
"...tbio.htm"><img src="http://www.teslascience.org/archive/photographs/NT1933.jpg" alt="The biography &quot;Nikola Tesla -- A Man of Comprehensive Solutions&quot;" align="left" hspace="10" border="1" vspace="5" width="104" height="131"></a>Th..." Line: 412 Column: 108 - 294
"...ment.htm"><img src="images/misc/tower.gif" alt="The paper &quot;A Museum at Wardenclyffe -- A Monument to Nikola Tesla&quot;" align="right" border="1" hspace="8" vspace="1" width="98" height="140"></a><b..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 60 Column: 64 - 142
"...lspan="2"><img src="images/beige11.gif" width="98%" height="3" vspace="8" align="center"></td> ..." Line: 115 Column: 3 - 89
"... <td> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="2"></td> ..." Line: 361 Column: 11 - 97
"... <td><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"></td> ..." Line: 369 Column: 22 - 109
"...idth="26"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 382 Column: 22 - 109
"...idth="25"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 388 Column: 37 - 123
"...gn="left"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..." Line: 449 Column: 9 - 95
"...> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..." Line: 475 Column: 49 - 113
"...size="2"> <img border="0" src="images/visatiny.gif" width="31" height="20">&nbsp;..." Line: 475 Column: 169 - 227
"...sp;&nbsp; <img border="0" src="images/MC.gif" width="30" height="20">&nbsp;..." Line: 476 Column: 3 - 67
"...;&nbsp; <img border="0" src="images/discover.gif" width="37" height="23">&nbsp;..."

Table column 2 established by element “td” has no cells beginning in it.

Line: 60 Column: 7 - 63
"...tr> <tr> <td valign="middle" width="98%" align="center" colspan="2"><img s..."

Stray start tag “td”.

Line: 65 Column: 3 - 6
"...able> <td><h1 al..." Line: 114 Column: 7 - 10
"...td> <td> <im..." Line: 361 Column: 7 - 10
"...tr> <td><img s..." Line: 362 Column: 7 - 10
"...td> <td> ..." Line: 364 Column: 7 - 10
"...td> <td></td> ..."

The “align” attribute on the “h1” element is obsolete. Use CSS instead.

Line: 65 Column: 7 - 25
"...> <td><h1 align="center"> <!-- ..."

Stray end tag “td”.

Line: 113 Column: 14 - 18
"...sp;</font></td> ..." Line: 115 Column: 90 - 94
"...eight="2"></td> </t..." Line: 361 Column: 98 - 102
"...eight="1"></td> ..." Line: 363 Column: 9 - 13
"...> </td> ..." Line: 364 Column: 11 - 15
"... <td></td> </t..."

The “hspace” attribute on the “img” element is obsolete. Use CSS instead.

Line: 115 Column: 3 - 89
"... <td> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="2"></td> ..." Line: 361 Column: 11 - 97
"... <td><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"></td> ..." Line: 369 Column: 22 - 109
"...idth="26"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 382 Column: 22 - 109
"...idth="25"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 388 Column: 37 - 123
"...gn="left"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..." Line: 392 Column: 38 - 260
"...tbio.htm"><img src="http://www.teslascience.org/archive/photographs/NT1933.jpg" alt="The biography &quot;Nikola Tesla -- A Man of Comprehensive Solutions&quot;" align="left" hspace="10" border="1" vspace="5" width="104" height="131"></a>Th..." Line: 412 Column: 108 - 294
"...ment.htm"><img src="images/misc/tower.gif" alt="The paper &quot;A Museum at Wardenclyffe -- A Monument to Nikola Tesla&quot;" align="right" border="1" hspace="8" vspace="1" width="98" height="140"></a><b..." Line: 449 Column: 9 - 95
"...> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..."

Stray end tag “tr”.

Line: 116 Column: 3 - 7
"..."></td> </tr> ..." Line: 365 Column: 3 - 7
"...d></td> </tr> </ta..."

Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).

Line: 150 Column: - 5
"...nt></b> <!-- <b><fon..." Line: 239 Column: - 48
".... .</font> <!-- <b><fon..." Line: 258 Column: - 85
".... .</font> <!-- ..."

Stray start tag “tr”.

Line: 360 Column: 3 - 6
"... <tr> ..."

Stray end tag “table”.

Line: 366 Column: 2 - 9
"... </tr> </table> <ta..."

Element “table” not allowed as child of element “p” in this context. (Suppressing further errors from this subtree.)

Line: 367 Column: 3 - 33
".../table> <table border="0" width="100%"> <..." Line: 386 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 453 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <..." Line: 485 Column: 3 - 49
".../table> <table border="0" width="100%" cellpadding="2"> <ce..."

The “align” attribute on the “h3” element is obsolete. Use CSS instead.

Line: 375 Column: 1 - 19
"...th="33%"> <h3 align="center"><font ..." Line: 378 Column: 9 - 26
"...> <h3 align="right"> ..."

Start tag “center” seen in “table”.

Line: 486 Column: 50 - 10
"...dding="2"> <center> ..."

Cannot recover after last error. Any further errors will be ignored.

Line: 486 Column: 50 - 10
"...dding="2"> <center> ..."

Warnings

The “type” attribute for the “style” element is not needed and should be omitted.

Line: 14 Column: 1 - 23
"...icon" /> <style type="text/css"> .newS..."

A table row was 2 columns wide and exceeded the column count established by the first row (1).

Line: 61 Column: 148 - 7
"...ter"></td> </tr> </tab..."

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Line: 115 Column: 3 - 89
"... <td> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="2"></td> ..." Line: 361 Column: 11 - 97
"... <td><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"></td> ..." Line: 369 Column: 22 - 109
"...idth="26"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 382 Column: 22 - 109
"...idth="25"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="30" height="1"></td> ..." Line: 388 Column: 37 - 123
"...gn="left"><img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..." Line: 392 Column: 38 - 260
"...tbio.htm"><img src="http://www.teslascience.org/archive/photographs/NT1933.jpg" alt="The biography &quot;Nikola Tesla -- A Man of Comprehensive Solutions&quot;" align="left" hspace="10" border="1" vspace="5" width="104" height="131"></a>Th..." Line: 412 Column: 108 - 294
"...ment.htm"><img src="images/misc/tower.gif" alt="The paper &quot;A Museum at Wardenclyffe -- A Monument to Nikola Tesla&quot;" align="right" border="1" hspace="8" vspace="1" width="98" height="140"></a><b..." Line: 449 Column: 9 - 95
"...> <img src="images/clear1px.gif" border="0" hspace="12" vspace="10" width="1" height="1"> ..." Line: 475 Column: 49 - 113
"...size="2"> <img border="0" src="images/visatiny.gif" width="31" height="20">&nbsp;..." Line: 475 Column: 169 - 227
"...sp;&nbsp; <img border="0" src="images/MC.gif" width="30" height="20">&nbsp;..." Line: 476 Column: 3 - 67
"...;&nbsp; <img border="0" src="images/discover.gif" width="37" height="23">&nbsp;..."

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

Line: 150 Column: - 5
"...nt></b> <!-- <b><fon..." Line: 239 Column: - 48
".... .</font> <!-- <b><fon..." Line: 258 Column: - 85
".... .</font> <!-- ..."

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tfcbooks.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.


tfcbooks.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.