biology-resources.com Website Information

Daily Unique Visits: 769

Daily Page Views: 1,538

Income Per Day: $5

Estimated Value: $1,200

This website is located in United Kingdom and is using following IP address 80.79.131.254. See the complete list of popular websites hosted in United Kingdom.

biology-resources.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website biology-resources.com is using the following name servers:

ns1.firstserv.com
ns2.firstserv.com

and is probably hosted by Six Degrees Technology Group Limited. See the full list of other websites hosted by Six Degrees Technology Group Limited.

The highest website biology-resources.com position in Alexa rank database was 68371 and the lowest rank position was 997815. Current position of biology-resources.com in Alexa rank database is 932505.

Desktop speed score of biology-resources.com (81/100) is better than the results of 71.91% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of biology-resources.com (60/100) is better than the results of 3.95% of other sites and means that the page is not mobile-friendly.

Mobile speed score of biology-resources.com (75/100) is better than the results of 84.42% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

biology-resources.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.

biology-resources.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: BIOLOGY-RESOURCES.COM
Registry Domain ID: 456235610_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2021-03-22T11:31:11Z
Creation Date: 2006-05-21T15:34:17Z
Registry Expiry Date: 2022-05-21T15:34:17Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: domainabuse@tucows.com
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS1.FIRSTSERV.COM
Name Server: NS2.FIRSTSERV.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-01-23T07:05:25Z

biology-resources.com server information

Servers Location

biology-resources.com desktop page speed rank

Last tested: 2019-10-29

Desktop Speed Medium

81/100

biology-resources.com Desktop Speed Test Quick Summary

priority - 11Leverage browser caching

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priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 0Minify JavaScript

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biology-resources.com Desktop Resource Breakdown

Total Resources	38
Number of Hosts	10
Static Resources	26
JavaScript Resources	8
CSS Resources	1

biology-resources.com mobile page speed rank

Last tested: 2019-01-20

Mobile Speed Medium

75/100

biology-resources.com Mobile Speed Test Quick Summary

priority - 15Leverage 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:

priority - 8Eliminate 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:

http://biology-resources.com/cssBiology.css

priority - 6Optimize images

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priority - 3Enable compression

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priority - 0Minify JavaScript

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priority - 0Minify HTML

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biology-resources.com Mobile Resource Breakdown

Total Resources	29
Number of Hosts	6
Static Resources	23
JavaScript Resources	4
CSS Resources	1

biology-resources.com mobile page usability

Last tested: 2019-01-20

Mobile Usability Bad

60/100

biology-resources.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.

Biology Teachi…ning Resources renders only 8 pixels tall (25 CSS pixels).

Presentations,…s, and Answers and 8 others render only 5 pixels tall (16 CSS pixels).

(I)GCSE Answers and 16 others render only 3 pixels tall (11 CSS pixels).

Birds, Structure & Function and 17 others render only 3 pixels tall (11 CSS pixels).

Biology Teachi…s and Teachers renders only 5 pixels tall (18 CSS pixels).

Insect - Tropi…ail Butterfly, and 26 others render only 5 pixels tall (16 CSS pixels).

All the materi…be sought from and 17 others render only 4 pixels tall (15 CSS pixels).

IGCSE Biology and 1 others render only 4 pixels tall (15 CSS pixels).

(2nd edition) and 5 others render only 4 pixels tall (15 CSS pixels).

(Background articles: and 37 others render only 3 pixels tall (12 CSS pixels).

insect structure and function and 23 others render only 3 pixels tall (12 CSS pixels).

Papilio demodocus renders only 5 pixels tall (16 CSS pixels).

IanMackean@bio…-resources.com renders only 4 pixels tall (15 CSS pixels).

© Copyright 2…ghts reserved. renders only 3 pixels tall (12 CSS pixels).

Ian Mackean is…o Amazon.co.uk renders only 3 pixels tall (10 CSS pixels).

About cookies renders only 4 pixels tall (13 CSS pixels).

priority - 21Size 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.

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The tap target <a href="http://www.bio…resources.com/">Home</a> and 13 others are close to other tap targets.

The tap target <a href="http://www.bio…resources.com/">Biology Resources Home</a> and 17 others are close to other tap targets.

The tap target <a href="http://www.bio…nswers-00.html">IGCSE and GCSE Biology answers</a> and 21 others are close to other tap targets.

The tap target <a href="http://astore.…il/0719586151/">GCSE Biology (3rd edition)</a> is close to 1 other tap targets.

The tap target <a href="http://astore.…il/0719586151/">GCSE Biology (3rd edition)</a> and 3 others are close to other tap targets.

The tap target <a href="http://www.bio…s-buds-01.html">Buds and Twigs</a> and 22 others are close to other tap targets.

The tap target <a href="http://www.bio…t-papilio.html">Insect - Tropi…ilio demodocus</a> is close to 3 other tap targets.

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

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

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

priority - 10Configure the viewport

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biology-resources.com HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 102
"...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html..."

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Line: 4 Column: 1 - 74
"...l> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta..."

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Line: 4 Column: 1 - 74
"...l> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta..."

Bad value “images/IGCSE Biology 3rd ed 160 wide.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 150 Column: 100 - 221
"...="_blank"><img src="images/IGCSE Biology 3rd ed 160 wide.jpg" alt="IGCSE Biology 3rd edition" width="160" height="207" border="1"/></a> ..."

Bad value “1” for attribute “border” on element “img”: Only “0” is a permitted zero literal.

Line: 150 Column: 100 - 221
"...="_blank"><img src="images/IGCSE Biology 3rd ed 160 wide.jpg" alt="IGCSE Biology 3rd edition" width="160" height="207" border="1"/></a> ..." Line: 151 Column: 101 - 211
"...="_blank"><img src="images/GCSE-Biology160wide.jpg" alt="GCSE Biology 3rd edition" width="160" height="205" border="1"/></a> ..." Line: 152 Column: 101 - 216
"...="_blank"><img src=" images/IGCSE-biology-160wide.jpg " alt="IGCSE Biology 2nd edition" width="160" height="205" border="1"/></a> ..."

End tag “p” implied, but there were open elements.

Line: 194 Column: 7 - 10
"...l"> <h2>Biolog..."

Unclosed element “a”.

Line: 193 Column: 4 - 72
"...></p> <p><a href="http://www.biology-resources.com/biology-experiments2.html"> ..."

End tag “h2” seen, but there were open elements.

Line: 194 Column: 30 - 34
"...xperiments</h2></a> O..."

No “a” element in scope but a “a” end tag seen.

Line: 194 Column: 35 - 38
"...ments</h2></a> One h..."

Malformed byte sequence: “e0”.

Line: 330 Column: - 77
"......"

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

Line: 284 Column: 7 - 26
"... <div align="center"> <di..." Line: 319 Column: 5 - 24
".../div> <div align="center"><br />..."

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

Line: 288 Column: 1 - 18
"...p;</p> <p align="center"> <p align="center" class="style12px"> &copy..." Line: 331 Column: 1 - 18
"...uk</span> <p align="center"><a hre..."

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

Line: 289 Column: 54 - 86
"...e.lbi" --><table border="0" align="center"> <tr..."

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

Line: 289 Column: 54 - 86
"...e.lbi" --><table border="0" align="center"> <tr..."

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

Line: 291 Column: 7 - 21
"...r"> <tr> <td align="left"><span ..." Line: 304 Column: 7 - 21
"...tr> <tr> <td align="left"><span ..."

Duplicate ID “cse-search-box”.

Line: 305 Column: 7 - 67
"...an> <form action="http://www.google.com/cse" id="cse-search-box"> <di..."

Warnings

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

Line: 34 Column: 64 - 169
"...-01.html"><img src="images/butterfly-85.jpg" alt="Insects" width="126" height="85" border="0" class="floatright" /></a><a..." Line: 34 Column: 195 - 303
"...rds.html"><img src="images/bird-chaffinch-75.jpg" alt="Birds" width="123" height="75" border="0" class="floatleft" /></a> ..." Line: 143 Column: - 397
"......" Line: 150 Column: 100 - 221
"...="_blank"><img src="images/IGCSE Biology 3rd ed 160 wide.jpg" alt="IGCSE Biology 3rd edition" width="160" height="207" border="1"/></a> ..." Line: 151 Column: 101 - 211
"...="_blank"><img src="images/GCSE-Biology160wide.jpg" alt="GCSE Biology 3rd edition" width="160" height="205" border="1"/></a> ..." Line: 152 Column: 101 - 216
"...="_blank"><img src=" images/IGCSE-biology-160wide.jpg " alt="IGCSE Biology 2nd edition" width="160" height="205" border="1"/></a> ..."

The first occurrence of ID “cse-search-box” was here.

Line: 292 Column: 7 - 67
"...an> <form action="http://www.google.com/cse" id="cse-search-box"> <di..."

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Line: 2 Column: 103 - 6
"...oose.dtd"> <html> <head..."

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BIOLOGY-RESOURCES.COM Biology Teaching & Learning Resources. Educational articles, drawings, experiments & PowerPoint presentations by D G Mackean

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biology-resources.com Desktop Speed Test Quick Summary

priority - 11Leverage 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:

priority - 8Optimize images

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

Optimize the following images to reduce their size by 75.1KiB (73% reduction).

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:

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 7.2KiB (77% reduction).

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 4.4KiB (29% reduction).

priority - 0Minify 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 583B (12% reduction).

biology-resources.com Desktop Resource Breakdown

biology-resources.com mobile page speed rank

biology-resources.com Mobile Speed Test Quick Summary

priority - 15Leverage 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:

priority - 8Eliminate 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:

priority - 6Optimize images

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

Optimize the following images to reduce their size by 50.5KiB (60% reduction).

priority - 3Enable 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 26KiB (76% reduction).

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 4.4KiB (29% reduction).

priority - 0Minify 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 2KiB (11% reduction).

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 996B (15% reduction).

biology-resources.com Mobile Resource Breakdown

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biology-resources.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.

priority - 21Size 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.

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.

biology-resources.com HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Bad value “images/IGCSE Biology 3rd ed 160 wide.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “1” for attribute “border” on element “img”: Only “0” is a permitted zero literal.

End tag “p” implied, but there were open elements.

Unclosed element “a”.

End tag “h2” seen, but there were open elements.

No “a” element in scope but a “a” end tag seen.

Malformed byte sequence: “e0”.

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

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

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

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

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

Duplicate ID “cse-search-box”.