Z80.INFO Thomas Scherrer Z80-Family Official Support Page

z80.info Website Information

Daily Unique Visits: 3,591

Daily Page Views: 14,364

Income Per Day: $40

Estimated Value: $21,600

This website is located in Germany and is using following IP address 92.205.48.95. See the complete list of popular websites hosted in Germany.

z80.info is registered under .INFO top-level domain. Please check other sites in .INFO zone.

Website z80.info is using the following name servers:

  • ns07.domaincontrol.com
  • ns08.domaincontrol.com

and is probably hosted by Host Europe GmbH. See the full list of other websites hosted by Host Europe GmbH.

The highest website z80.info position in Alexa rank database was 82196 and the lowest rank position was 999190. Current position of z80.info in Alexa rank database is 349453.

Desktop speed score of z80.info (97/100) is better than the results of 95.04% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of z80.info (59/100) is better than the results of 2.69% of other sites and means that the page is not mobile-friendly.

Mobile speed score of z80.info (97/100) is better than the results of 95.14% of other sites and shows that the landing page performance on mobile devices is excellent.

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z80.info 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.


z80.info 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: z80.info
Registry Domain ID: 8900221b996a457791aa7187315c6465-DONUTS
Registrar WHOIS Server: domains.meshdigital.com
Registrar URL: http://www.domainbox.com
Updated Date: 2021-11-18T14:22:00Z
Creation Date: 2001-10-05T13:22:30Z
Registry Expiry Date: 2022-10-05T13:22:30Z
Registrar: Mesh Digital Limited
Registrar IANA ID: 1390
Registrar Abuse Contact Email: abuse@domainbox.com
Registrar Abuse Contact Phone: +1.8779770099
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization:
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province:
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: DE
Registrant Phone: REDACTED FOR PRIVACY
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Registrant Fax Ext: REDACTED FOR PRIVACY
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.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
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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.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
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Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
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: ns07.domaincontrol.com
Name Server: ns08.domaincontrol.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-02-16T16:56:12Z

z80.info server information

Servers Location

z80.info desktop page speed rank

Last tested: 2019-08-18


Desktop Speed Good
97/100

z80.info Desktop Speed Test Quick Summary


priority - 1Enable 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 14.1KiB (63% reduction).

Compressing http://z80.info/ could save 14.1KiB (63% reduction).

priority - 1Leverage 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://z80.info/gfx/logotes4.gif (expiration not specified)

z80.info Desktop Resource Breakdown

Total Resources2
Number of Hosts1
Static Resources1

z80.info mobile page speed rank

Last tested: 2017-05-23


Mobile Speed Good
97/100

z80.info Mobile Speed Test Quick Summary


priority - 1Enable 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 13.3KiB (63% reduction).

Compressing http://z80.info/ could save 13.3KiB (63% reduction).

priority - 1Leverage 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://z80.info/gfx/logotes4.gif (expiration not specified)

z80.info Mobile Resource Breakdown

Total Resources2
Number of Hosts1
Static Resources1

z80.info mobile page usability

Last tested: 2017-05-23


Mobile Usability Bad
59/100

z80.info 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.

is to collect…is infomation. and 12 others render only 6 pixels tall (16 CSS pixels).

members of Z80…ose relatives) and 4 others render only 6 pixels tall (16 CSS pixels).

Z80 8-Bit CPU…lass Substrate and 4 others render only 6 pixels tall (16 CSS pixels).

Yes I have read the legal info renders only 6 pixels tall (16 CSS pixels).

Breaking News! renders only 6 pixels tall (16 CSS pixels).

Sharp has buil…press release and 1 others render only 6 pixels tall (16 CSS pixels).

A system to re…g a SIO device and 129 others render only 6 pixels tall (16 CSS pixels).

Z80 family dat…xternal links) and 5 others render only 6 pixels tall (16 CSS pixels).

Z80 Instructio…x and Decimal) and 43 others render only 6 pixels tall (16 CSS pixels).

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

based upon the…By Mary Bell. and 86 others render only 6 pixels tall (16 CSS pixels).

Basic Informat…it Schematics) and 10 others render only 7 pixels tall (19 CSS pixels).

Z84013/Z84015/…power-on-rest and 26 others render only 6 pixels tall (16 CSS pixels).
NEW!! renders only 6 pixels tall (16 CSS pixels).
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Thanks Sean! renders only 6 pixels tall (16 CSS pixels).

priority - 25Size 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="#GENERAL">General Inform…out Z80-Family</a> and 122 others are close to other tap targets.

The tap target <a href="#BASICS_ARCH">Architecture</a> and 43 others are close to other tap targets.

The tap target <a href="#BASICS_HARD_PIN">Chip Pinouts</a> and 1 others are close to other tap targets.

The tap target <a href="#TOC">Back to Table-of_Contents</a> 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.

z80.info HTML validation

Errors

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

Line: 1 Column: 1 - 6
"...<HTML><HEAD>..."

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

Line: 9 Column: 1 - 24
"...> </HEAD> <BODY BGCOLOR="#FFFFFF"> <a ..."

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

Line: 13 Column: 1 - 8
"...E="TOP"> <center> <img ..."

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

Line: 14 Column: 1 - 64
"... <center> <img SRC="gfx/logotes4.gif" HEIGHT="166" WIDTH="626" border="0"></a> <..."

End tag “a” violates nesting rules.

Line: 14 Column: 65 - 68
"...order="0"></a> <h2>O..."

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

Line: 14 Column: 65 - 68
"...order="0"></a> <h2>O..."

Warnings

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Line: 11 Column: 1 - 14
"...FFFFF"> <a NAME="TOP"> <cen..."

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

Line: 14 Column: 1 - 64
"... <center> <img SRC="gfx/logotes4.gif" HEIGHT="166" WIDTH="626" border="0"></a> <..."

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z80.info 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.


z80.info 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.