biotopics.co.uk Website Information
Daily Unique Visits: 1,048
Daily Page Views: 2,096
Income Per Day: $6
Estimated Value: $1,440
biotopics.co.uk is registered under .UK top-level domain. Please check other sites in .UK zone.
No name server records were found.
and is probably hosted by ASN-VINS - ViaWest, US. See the full list of other websites hosted by ASN-VINS - ViaWest, US.
The highest website biotopics.co.uk position in Alexa rank database was 18982 and the lowest rank position was 992336. Current position of biotopics.co.uk in Alexa rank database is 684233.
Desktop speed score of biotopics.co.uk (92/100) is better than the results of 90.97% of other sites and shows that the page is performing great on desktop computers.
Mobile usability score of biotopics.co.uk (92/100) is better than the results of 33.5% of other sites and means that the page is mobile-friendly.
Mobile speed score of biotopics.co.uk (87/100) is better than the results of 91.36% of other sites and shows that the landing page performance on mobile devices is excellent.
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biotopics.co.uk 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.
biotopics.co.uk 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.
Error for "biotopics.co.uk".
the WHOIS query quota for 167.99.102.248 has been exceeded
and will be replenished in 115 seconds
WHOIS lookup made at 14:26:14 22-Oct-2024
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This WHOIS information is provided for free by Nominet UK the central registry
for .uk domain names. This information and the .uk WHOIS are:
Copyright Nominet UK 1996 - 2024.
You may not access the .uk WHOIS or use any data from it except as permitted
by the terms of use available in full at https://www.nominet.uk/whoisterms,
which includes restrictions on: (A) use of the data for advertising, or its
repackaging, recompilation, redistribution or reuse (B) obscuring, removing
or hiding any or all of this notice and (C) exceeding query rate or volume
limits. The data is provided on an 'as-is' basis and may lag behind the
register. Access may be withdrawn or restricted at any time.
the WHOIS query quota for 167.99.102.248 has been exceeded
and will be replenished in 115 seconds
WHOIS lookup made at 14:26:14 22-Oct-2024
--
This WHOIS information is provided for free by Nominet UK the central registry
for .uk domain names. This information and the .uk WHOIS are:
Copyright Nominet UK 1996 - 2024.
You may not access the .uk WHOIS or use any data from it except as permitted
by the terms of use available in full at https://www.nominet.uk/whoisterms,
which includes restrictions on: (A) use of the data for advertising, or its
repackaging, recompilation, redistribution or reuse (B) obscuring, removing
or hiding any or all of this notice and (C) exceeding query rate or volume
limits. The data is provided on an 'as-is' basis and may lag behind the
register. Access may be withdrawn or restricted at any time.
biotopics.co.uk server information
Servers Location
biotopics.co.uk desktop page speed rank
Last tested: 2019-09-07
Desktop Speed
Good
92/100
biotopics.co.uk Desktop Speed Test Quick Summary
priority - 3Leverage 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:
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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.
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priority - 1Minify CSS
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priority - 0Minify HTML
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priority - 0Optimize images
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biotopics.co.uk Desktop Resource Breakdown
| Total Resources | 39 |
| Number of Hosts | 17 |
| Static Resources | 24 |
| JavaScript Resources | 7 |
| CSS Resources | 3 |
biotopics.co.uk mobile page speed rank
Last tested: 2019-01-20
Mobile Speed
Good
87/100
biotopics.co.uk Mobile Speed Test Quick Summary
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:
https://biotopics.co.uk/css/menuh.css
priority - 3Leverage 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://biotopics.co.uk/css/menuh.css (expiration not specified)
https://www.googletagmanager.com/gtag/js?id=UA-116589000-1 (15 minutes)
https://cse.google.com/adsense/search/async-ads.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.topmarks.co.uk/award.gif (4 hours)
https://www.googletagmanager.com/gtag/js?id=UA-116589000-1 (15 minutes)
https://cse.google.com/adsense/search/async-ads.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.topmarks.co.uk/award.gif (4 hours)
priority - 0Minify CSS
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priority - 0Enable compression
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priority - 0Minify HTML
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Minify HTML for the following resources to reduce their size by 2.1KiB (30% reduction).
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biotopics.co.uk Mobile Resource Breakdown
| Total Resources | 39 |
| Number of Hosts | 17 |
| Static Resources | 23 |
| JavaScript Resources | 7 |
| CSS Resources | 3 |
biotopics.co.uk mobile page usability
Last tested: 2019-01-20
Mobile Usability
Good
92/100
biotopics.co.uk Mobile Usability Test Quick Summary
priority - 7Size 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="javascript:exp…ct('biolchem')">Biological Chemicals #</a> and 10 others are close to other tap targets.The tap target
<a href="javascript:exp…tract('cells')">Cells and cellularity* **</a> and 6 others are close to other tap targets.The tap target
<a href="javascript:exp…tract('water')">More than just…O - and in 3-D</a> is close to 2 other tap targets.The tap target
<a href="howl/howl33.html">This summer's howlers</a> is close to 1 other tap targets.The tap target
<a href="books/AAS.html">*LATEST AS and A level books</a> and 1 others are close to other tap targets.The tap target
<a href="books/booklist.html#universal">Universal book finder</a> and 1 others are close to other tap targets.The tap target
<a href="wwwlinks.html#…ination boards">Examination boards</a> and 4 others are close to other tap targets.biotopics.co.uk HTML validation
Errors
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Line: 2 Column: 1 - 6
"... <html> <head..."
"... <html> <head..."
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
Line: 308 Column: 1 - 24
"... </head> <body bgcolor="#ccffcc"> <div ..."
"... </head> <body bgcolor="#ccffcc"> <div ..."
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Line: 314 Column: 2 - 19
"... LHS --> <div align="left"> <im..." Line: 327 Column: 3 - 242
"...able2"> <div align="center" style="font-size: 12px; font-size: 1.3vw;" title="Use your mouse to move the cursor over the text and graphics in the section below. Look out for explanatory tooltips (drop-down text boxes) as well as other information"> <font..." Line: 336 Column: 2 - 91
"... RHS --> <div class="disposable" align="center" title="Google custom search on the BioTopics site"><!-- R..." Line: 446 Column: 2 - 21
"... BOX --> <div align="center"> <a..." Line: 572 Column: 2 - 119
"...X --> <div align="center" onclick="window.location ='jsmol/jscontents.html'" title="This takes you to the Molecules Menu"> <br> ..." Line: 592 Column: 2 - 213
"...group"> <div class="col span_1_of_3" style="background-color: #FFCCFF; cursor: pointer;" title="Howlers are (laughable) mistakes made by my Biology students!" align="center" onclick="window.location ='howl/index.html'" > <!--..." Line: 597 Column: 1 - 20
"... --> <div align="center"> <a h..." Line: 627 Column: 1 - 20
"...ks --> <div align="center"> <..." Line: 646 Column: 2 - 52
"...ul> <hr> <div align="center" title="Could be extended ... "><b>Bio..." Line: 648 Column: 2 - 19
"...div> <div align="left"> <ul>..." Line: 671 Column: 2 - 21
"...LAY --> <div align="center"> <scr..." Line: 680 Column: 2 - 21
"...1_of_3"> <div align="center"> <img ..." Line: 685 Column: 1 - 18
"..." /> <hr> <div align="left"> <a h..." Line: 708 Column: 1 - 19
"...r/> <br/> <div align="left" title="Please let me know if this works for you - use contact below">These ..." Line: 741 Column: 1 - 120
"...up" --> <div align="center" title="General links to other sections of the BioTopics website" style="background-color: #99ccff;"> <a ..."
"... LHS --> <div align="left"> <im..." Line: 327 Column: 3 - 242
"...able2"> <div align="center" style="font-size: 12px; font-size: 1.3vw;" title="Use your mouse to move the cursor over the text and graphics in the section below. Look out for explanatory tooltips (drop-down text boxes) as well as other information"> <font..." Line: 336 Column: 2 - 91
"... RHS --> <div class="disposable" align="center" title="Google custom search on the BioTopics site"><!-- R..." Line: 446 Column: 2 - 21
"... BOX --> <div align="center"> <a..." Line: 572 Column: 2 - 119
"...X --> <div align="center" onclick="window.location ='jsmol/jscontents.html'" title="This takes you to the Molecules Menu"> <br> ..." Line: 592 Column: 2 - 213
"...group"> <div class="col span_1_of_3" style="background-color: #FFCCFF; cursor: pointer;" title="Howlers are (laughable) mistakes made by my Biology students!" align="center" onclick="window.location ='howl/index.html'" > <!--..." Line: 597 Column: 1 - 20
"... --> <div align="center"> <a h..." Line: 627 Column: 1 - 20
"...ks --> <div align="center"> <..." Line: 646 Column: 2 - 52
"...ul> <hr> <div align="center" title="Could be extended ... "><b>Bio..." Line: 648 Column: 2 - 19
"...div> <div align="left"> <ul>..." Line: 671 Column: 2 - 21
"...LAY --> <div align="center"> <scr..." Line: 680 Column: 2 - 21
"...1_of_3"> <div align="center"> <img ..." Line: 685 Column: 1 - 18
"..." /> <hr> <div align="left"> <a h..." Line: 708 Column: 1 - 19
"...r/> <br/> <div align="left" title="Please let me know if this works for you - use contact below">These ..." Line: 741 Column: 1 - 120
"...up" --> <div align="center" title="General links to other sections of the BioTopics website" style="background-color: #99ccff;"> <a ..."
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
Line: 315 Column: 3 - 140
"..."left"> <img src="BioTopicsover2010.gif" border="0" style= "width:250 px;" alt="www.BioTopics.co.uk" name="bio" title="The BioTopics home page"/> <!-..."
"..."left"> <img src="BioTopicsover2010.gif" border="0" style= "width:250 px;" alt="www.BioTopics.co.uk" name="bio" title="The BioTopics home page"/> <!-..."
The “font” element is obsolete. Use CSS instead.
Line: 317 Column: 169 - 190
"...rsonally"><font color="#0000ff"><font ..." Line: 317 Column: 191 - 217
"..."#0000ff"><font face="Verdana,Arial">Site a..." Line: 328 Column: 1 - 21
"...rmation"> <font face="Verdana"> The ..." Line: 453 Column: 1 - 35
"... <br /> <font face="Gill Sans MT" size="3"><b >Cl..." Line: 599 Column: 153 - 188
"...howlers"/><font face="Comic Sans MS" size="4">Howler..." Line: 600 Column: 1 - 36
".../a><br /> <font face="Comic Sans MS" size="2"> (now ..." Line: 677 Column: 1 - 15
"...> </div> <font size="1">BioTop..."
"...rsonally"><font color="#0000ff"><font ..." Line: 317 Column: 191 - 217
"..."#0000ff"><font face="Verdana,Arial">Site a..." Line: 328 Column: 1 - 21
"...rmation"> <font face="Verdana"> The ..." Line: 453 Column: 1 - 35
"... <br /> <font face="Gill Sans MT" size="3"><b >Cl..." Line: 599 Column: 153 - 188
"...howlers"/><font face="Comic Sans MS" size="4">Howler..." Line: 600 Column: 1 - 36
".../a><br /> <font face="Comic Sans MS" size="2"> (now ..." Line: 677 Column: 1 - 15
"...> </div> <font size="1">BioTop..."
Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Line: 352 Column: 1 - 13
"...</script> <gcse:search></gcse..."
"...</script> <gcse:search></gcse..."
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Line: 448 Column: 80 - 78
"...nts Page"><img src="topics.gif" class="left" alt="Biotopics units" align="top" border="0" /> <!-- ..." Line: 599 Column: 25 - 152
"...ose from"><img src="rwolf.gif" title="Click here to see some more howlers" align="right" border="0" height="50" width="50" alt="howlers"/><font ..." Line: 681 Column: 1 - 111
"..."center"> <img src="SZ5star.gif" border="0" width="120" height="80" align="top" alt="Schoolzone Education 5 star award"/> <a hr..." Line: 682 Column: 52 - 183
"...et="_top"><img height="60" alt="Topmarks Excellent Site Award" src="https://www.topmarks.co.uk/award.gif" width="120" align="top" border="0"/></a> <..."
"...nts Page"><img src="topics.gif" class="left" alt="Biotopics units" align="top" border="0" /> <!-- ..." Line: 599 Column: 25 - 152
"...ose from"><img src="rwolf.gif" title="Click here to see some more howlers" align="right" border="0" height="50" width="50" alt="howlers"/><font ..." Line: 681 Column: 1 - 111
"..."center"> <img src="SZ5star.gif" border="0" width="120" height="80" align="top" alt="Schoolzone Education 5 star award"/> <a hr..." Line: 682 Column: 52 - 183
"...et="_top"><img height="60" alt="Topmarks Excellent Site Award" src="https://www.topmarks.co.uk/award.gif" width="120" align="top" border="0"/></a> <..."
The “center” element is obsolete. Use CSS instead.
Line: 476 Column: 1 - 8
"...ION --> <center> <b>Mo..." Line: 581 Column: 2 - 9
"... </div> <center> <br>..." Line: 621 Column: 10 - 17
"... <br /><center>Richar..." Line: 703 Column: 2 - 9
"...of_3"> <center><h2>So..."
"...ION --> <center> <b>Mo..." Line: 581 Column: 2 - 9
"... </div> <center> <br>..." Line: 621 Column: 10 - 17
"... <br /><center>Richar..." Line: 703 Column: 2 - 9
"...of_3"> <center><h2>So..."
Stray end tag “b”.
Line: 524 Column: 1 - 4
"...s</a> ... </b></span..."
"...s</a> ... </b></span..."
End tag “b” violates nesting rules.
Line: 555 Column: 167 - 170
"...'s howlers</b></a> ..."
"...'s howlers</b></a> ..."
No “a” element in scope but a “a” end tag seen.
Line: 555 Column: 171 - 174
"...owlers</b></a> ..."
"...owlers</b></a> ..."
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Line: 579 Column: 2 - 17
"... format. <br clear="all"> </di..." Line: 696 Column: 7 - 24
".../> </ul> <br clear="all" /> </div..."
"... format. <br clear="all"> </di..." Line: 696 Column: 7 - 24
".../> </ul> <br clear="all" /> </div..."
Element “center” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)
Line: 621 Column: 10 - 17
"... <br /><center>Richar..."
"... <br /><center>Richar..."
End tag “a” violates nesting rules.
Line: 686 Column: 43 - 46
"...rnal sites</a> which..."
"...rnal sites</a> which..."
Bad value “wwwlinks.html#Examination boards” for attribute “href” on element “a”: Illegal character in fragment: space is not allowed.
Line: 689 Column: 5 - 47
"...lso"> <li><a href="wwwlinks.html#Examination boards">Examin..."
"...lso"> <li><a href="wwwlinks.html#Examination boards">Examin..."
Bad value “wwwlinks.html#BBC websites” for attribute “href” on element “a”: Illegal character in fragment: space is not allowed.
Line: 691 Column: 5 - 41
"...</li> <li><a href="wwwlinks.html#BBC websites">BBC we..."
"...</li> <li><a href="wwwlinks.html#BBC websites">BBC we..."
Bad value “wwwlinks.html#Other support links” for attribute “href” on element “a”: Illegal character in fragment: space is not allowed.
Line: 692 Column: 5 - 48
"...</li> <li><a href="wwwlinks.html#Other support links">Other ..."
"...</li> <li><a href="wwwlinks.html#Other support links">Other ..."
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Line: 694 Column: 1 - 6
".../a> </li> <br /> </ul..."
".../a> </li> <br /> </ul..."
Text not allowed in element “ul” in this context.
Line: 731 Column: 71 - 1
"...i</a></li> . </ul> ..."
"...i</a></li> . </ul> ..."
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Line: 745 Column: 3 - 108
"... --> <img src="BioTopics2010blue.gif" border="0" width="125" height="28" alt="www.BioTopics.co.uk" hspace="6"/><a hre..."
"... --> <img src="BioTopics2010blue.gif" border="0" width="125" height="28" alt="www.BioTopics.co.uk" hspace="6"/><a hre..."
Warnings
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Line: 58 Column: 1 - 53
"... </style> <script language="JavaScript" type="text/javascript"> <!-- ..." Line: 71 Column: 1 - 53
".../script> <script language="JavaScript" type="text/javascript"> <!--..." Line: 188 Column: 1 - 53
"...</script> <script language="JavaScript" type="text/javascript"> <!--..." Line: 460 Column: 1 - 53
"...> <br /> <script language="JavaScript" type="text/javascript"> <!-..." Line: 601 Column: 1 - 53
"...7)</font> <script language="JavaScript" type="text/javascript"> <!--..."
"... </style> <script language="JavaScript" type="text/javascript"> <!-- ..." Line: 71 Column: 1 - 53
".../script> <script language="JavaScript" type="text/javascript"> <!--..." Line: 188 Column: 1 - 53
"...</script> <script language="JavaScript" type="text/javascript"> <!--..." Line: 460 Column: 1 - 53
"...> <br /> <script language="JavaScript" type="text/javascript"> <!-..." Line: 601 Column: 1 - 53
"...7)</font> <script language="JavaScript" type="text/javascript"> <!--..."
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Line: 315 Column: 3 - 140
"..."left"> <img src="BioTopicsover2010.gif" border="0" style= "width:250 px;" alt="www.BioTopics.co.uk" name="bio" title="The BioTopics home page"/> <!-..." Line: 448 Column: 80 - 78
"...nts Page"><img src="topics.gif" class="left" alt="Biotopics units" align="top" border="0" /> <!-- ..." Line: 599 Column: 25 - 152
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biotopics.co.uk 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.