karger.com Website Information

Daily Unique Visits: 628,917

Daily Page Views: 5,031,336

Income Per Day: $5,031

Estimated Value: $5,433,480

This website is located in Italy and is using following IP address 192.230.80.244. See the complete list of popular websites hosted in Italy.

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

Website karger.com is using the following name servers:

ns2.ip-plus.net
ns1.ip-plus.net

and is probably hosted by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US. See the full list of other websites hosted by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US.

The highest website karger.com position in Alexa rank database was 2288 and the lowest rank position was 2533. Current position of karger.com in Alexa rank database is 2423.

Desktop speed score of karger.com (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of karger.com (94/100) is better than the results of 36.81% of other sites and means that the page is mobile-friendly.

Mobile speed score of karger.com (47/100) is better than the results of 28.68% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

karger.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.

karger.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: KARGER.COM
Registry Domain ID: 1013560_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.inic.ch
Registrar URL: http://www.inic.ch
Updated Date: 2023-02-25T14:52:04Z
Creation Date: 1997-06-12T04:00:00Z
Registry Expiry Date: 2028-06-11T04:00:00Z
Registrar: Inic GmbH
Registrar IANA ID: 603
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS41.CLOUDNS.NET
Name Server: DNS42.CLOUDNS.NET
Name Server: DNS43.CLOUDNS.NET
Name Server: DNS44.CLOUDNS.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-13T07:39:49Z

karger.com server information

Servers Location

karger.com desktop page speed rank

Last tested: 2019-12-08

Desktop Speed Medium

72/100

karger.com Desktop Speed Test Quick Summary

priority - 12Optimize images

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

Optimize the following images to reduce their size by 121.3KiB (18% reduction).

Compressing https://www.karger.com/WebMaterial/ShowPic/1144968 could save 30.3KiB (14% reduction).
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Compressing https://www.karger.com/WebMaterial/ShowPic/1040766 could save 1.2KiB (25% reduction).

priority - 9Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://karger.com/
https://karger.com/
https://www.karger.com/

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.google.com/recaptcha/api.js?render=6Lc…yBw-toMgsmTIxhTgGaGlGc

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:

https://www.karger.com/WebMaterial/ShowPic/1040766 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144964 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144965 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144966 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144967 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144968 (expiration not specified)
https://www.google.com/recaptcha/api.js?render=6Lc…yBw-toMgsmTIxhTgGaGlGc (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js…kVene3wKrZUWATSylf69ja (5 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-TZ3XGMX (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.karger.com/Content/IEFixes.min.css (24 hours)
https://www.karger.com/Content/print.min.css (24 hours)
https://www.karger.com/bundle/css_home?v=cP8kL1yFt…xIt8F_TSI97hXRaEdZ5_Y1 (24 hours)
https://www.karger.com/bundle/css_core?v=g_g8u0ejN…IXSDbbUHQWdy1-CaD9Aj01 (24 hours)
https://www.karger.com/bundle/js_core?v=vwRs9YjEXj…wnaUkywaagebT_GD1YfDs1 (24 hours)
https://www.karger.com/bundle/js_core_bottom?v=HzE…4qFfe0WZ3UDR3D8SBIf141 (24 hours)

priority - 1Reduce server response time

In our test, your server responded in 0.29 seconds.

priority - 0Minify HTML

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Minify HTML for the following resources to reduce their size by 1.5KiB (16% reduction).

Minifying https://www.karger.com/ could save 1.5KiB (16% reduction) after compression.

karger.com Desktop Resource Breakdown

Total Resources	47
Number of Hosts	11
Static Resources	30
JavaScript Resources	13
CSS Resources	7

karger.com mobile page speed rank

Last tested: 2019-12-12

Mobile Speed Bad

47/100

karger.com Mobile Speed Test Quick Summary

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 7 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.google.com/recaptcha/api.js?render=6Lc…yBw-toMgsmTIxhTgGaGlGc
https://www.karger.com/bundle/js_core?v=vwRs9YjEXj…wnaUkywaagebT_GD1YfDs1
https://www.karger.com/Scripts/jquery.bxslider.min.js
https://cdnjs.cloudflare.com/ajax/libs/cookieconse…9/cookieconsent.min.js
https://www.karger.com/Scripts/jquery.drystone.js
https://www.karger.com/bundle/js_core_bottom?v=s8O…ZGgfz6Y6f9nfYJDKte1GM1
https://www.karger.com/Scripts/peopleFormModal.js

Optimize CSS Delivery of the following:

https://www.karger.com/Content/IEFixes.min.css
https://fonts.googleapis.com/css?family=Open+Sans:400,400i,700,700i
https://www.karger.com/bundle/css_core?v=GAB2Q2-6E…R90q1cuB-C1kcn__sHl3g1
https://www.karger.com/bundle/css_home?v=cP8kL1yFt…xIt8F_TSI97hXRaEdZ5_Y1

priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://karger.com/
https://karger.com/
https://www.karger.com/

priority - 19Reduce server response time

In our test, your server responded in 1.5 seconds.

priority - 13Optimize images

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

Optimize the following images to reduce their size by 123.6KiB (19% reduction).

Compressing https://www.karger.com/WebMaterial/ShowPic/1144968 could save 30.3KiB (14% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPic/1144964 could save 28.8KiB (14% reduction).
Compressing and resizing https://www.karger.com/images/Karger_White.png could save 28.6KiB (93% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPic/1144966 could save 14.3KiB (16% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPic/1144965 could save 6.9KiB (15% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPic/1144967 could save 5.1KiB (13% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPicCache/527805 could save 3.9KiB (66% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPicCache/527806 could save 3.1KiB (59% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPicCache/530269 could save 1.4KiB (19% reduction).
Compressing https://www.karger.com/WebMaterial/ShowPic/1040766 could save 1.2KiB (25% reduction).

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:

https://www.karger.com/WebMaterial/ShowPic/1040766 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144964 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144965 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144966 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144967 (expiration not specified)
https://www.karger.com/WebMaterial/ShowPic/1144968 (expiration not specified)
https://www.google.com/recaptcha/api.js?render=6Lc…yBw-toMgsmTIxhTgGaGlGc (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js…gGrlTs_PbFQOW4ejlxlxZn (5 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-TZ3XGMX (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.karger.com/Content/IEFixes.min.css (24 hours)
https://www.karger.com/Content/print.min.css (24 hours)
https://www.karger.com/bundle/css_home?v=cP8kL1yFt…xIt8F_TSI97hXRaEdZ5_Y1 (24 hours)
https://www.karger.com/bundle/js_core?v=vwRs9YjEXj…wnaUkywaagebT_GD1YfDs1 (24 hours)
https://www.karger.com/bundle/css_core?v=GAB2Q2-6E…R90q1cuB-C1kcn__sHl3g1 (24 hours)
https://www.karger.com/bundle/js_core_bottom?v=s8O…ZGgfz6Y6f9nfYJDKte1GM1 (24 hours)

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 57% of the final above-the-fold content could be rendered with the full HTML response.

Click to see the screenshot with only the HTML response:

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 1.5KiB (16% reduction).

Minifying https://www.karger.com/ could save 1.5KiB (16% reduction) after compression.

karger.com Mobile Resource Breakdown

Total Resources	48
Number of Hosts	13
Static Resources	31
JavaScript Resources	14
CSS Resources	7

karger.com mobile page usability

Last tested: 2019-12-12

Mobile Usability Good

94/100

karger.com Mobile Usability Test Quick Summary

priority - 6Size 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="/MyKarger/ResetPassword">Forgot your password?</a> and 1 others are close to other tap targets.
The tap target <a href="/WebMaterial/ShowFile/1151919" class="blocklink">17. Steven-Kar…versität Basel</a> and 20 others are close to other tap targets.
The tap target <a href="/Company/PressService" class="blocklink">Media Releases</a> and 13 others are close to other tap targets.
The tap target <a href="https://www.fa…shers/?fref=ts" class="NoArrow"></a> and 1 others are close to other tap targets.

karger.com HTML validation

Warnings

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

Line: 60 Column: 1 - 23
"...t"/> <style type="text/css"> </st..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 64 Column: 5 - 73
"...yle> <script type="text/javascript" src="/Scripts/jquery.bxslider.min.js"></scri..." Line: 65 Column: 5 - 35
"...ript> <script type="text/javascript"> ..." Line: 82 Column: 1 - 31
"...nsent --> <script type="text/javascript"> w..." Line: 86 Column: 1 - 112
".../script> <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/cookieconsent.min.js"></scri..." Line: 676 Column: 5 - 35
"...t --> <script type="text/javascript"> ..." Line: 689 Column: 5 - 69
"...t --> <script type="text/javascript" src="/Scripts/peopleFormModal.js"></scri..."

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

Line: 176 Column: 5 - 27
"...d--> <a name="top" id="top"></a> ..."

The first occurrence of ID “Username” was here.

Line: 241 Column: 33 - 150
"... <input class="text-box single-line" id="Username" name="Username" value="" type="text" placeholder="MyKarger User ID"><br />..." Line: 241 Column: 33 - 150
"... <input class="text-box single-line" id="Username" name="Username" value="" type="text" placeholder="MyKarger User ID"><br />..."

The first occurrence of ID “ReturnURL” was here.

Line: 242 Column: 33 - 95
"... <input id="ReturnURL" name="ReturnURL" value="/" type="hidden"> ..." Line: 242 Column: 33 - 95
"... <input id="ReturnURL" name="ReturnURL" value="/" type="hidden"> ..."

The first occurrence of ID “Password” was here.

Line: 243 Column: 32 - 108
"... <input id="Password" name="Password" type="password" placeholder="Password"><br />..." Line: 243 Column: 32 - 108
"... <input id="Password" name="Password" type="password" placeholder="Password"><br />..."

The “textbox” role is unnecessary for an “input” element that has no “list” attribute and whose type is “text”.

Line: 325 Column: 29 - 248
"... <input class="form-control ais-search-box--input" name="q" placeholder="Search DOI, Article, Journal, ..." autocapitalize="off" autocomplete="off" autocorrect="off" role="textbox" spellcheck="false" value="" type="text"> ..."

Errors

Attribute “alt” not allowed on element “input” at this point.

Line: 217 Column: 21 - 108
"... <input id="q_Submit" type="submit" name="q_Submit" alt="Submit Search" value="submit" /> ..."

Bad value “tooltip” for attribute “rel” on element “a”: The string “tooltip” is not a registered keyword.

Line: 237 Column: 37 - 20
"... <a data-placement="bottom" data-toggle="tooltip" rel="tooltip" href="#" data-original-title="The MyKarger account offers you simple ordering, fast payment, attractive discounts and much more. New customers can set up their own personal MyKarger account easily and quickly. Create an account."> ..." Line: 447 Column: 29 - 322
"... MyKarger <a data-placement="bottom" data-toggle="tooltip" rel="tooltip" href="#" data-original-title="The MyKarger account offers you simple ordering, fast payment, attractive discounts and much more. New customers can set up their own personal MyKarger account easily and quickly. Create an account."> <i cl..."

Duplicate ID “Username”.

Line: 307 Column: 37 - 118
"... <input id="Username" name="Username" type="text" value="" placeholder="User ID" /> ..." Line: 450 Column: 11 - 128
"... <input class="text-box single-line" id="Username" name="Username" value="" type="text" placeholder="MyKarger User ID"> ..."

Duplicate ID “ReturnURL”.

Line: 308 Column: 37 - 101
"... <input id="ReturnURL" name="ReturnURL" type="hidden" value="/" /> ..." Line: 451 Column: 11 - 103
"... <input id="ReturnURL" name="ReturnURL" value="https://www.karger.com/MyKarger" type="hidden"> ..."

Duplicate ID “Password”.

Line: 309 Column: 37 - 114
"... <input id="Password" name="Password" type="password" placeholder="Password" /> ..." Line: 452 Column: 11 - 86
"... <input id="Password" name="Password" type="password" placeholder="Password"> ..."

Attribute “autocorrect” not allowed on element “input” at this point.

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

Line: 394 Column: 1 - 7
"...019 --> <style> .welc..."

Bad value “True” for attribute “aria-hidden” on element “i”.

Line: 426 Column: 47 - 96
".../1057896"><i class="fa fa-chevron-right" aria-hidden="True"></i> <..." Line: 427 Column: 47 - 96
".../1057897"><i class="fa fa-chevron-right" aria-hidden="True"></i> <..." Line: 428 Column: 47 - 96
".../1041553"><i class="fa fa-chevron-right" aria-hidden="True"></i> <..." Line: 429 Column: 46 - 95
"...e/981902"><i class="fa fa-chevron-right" aria-hidden="True"></i> <..." Line: 435 Column: 55 - 104
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> M..." Line: 436 Column: 54 - 103
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> J..." Line: 437 Column: 62 - 111
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> J..." Line: 438 Column: 57 - 106
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> F..." Line: 439 Column: 54 - 103
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> C..." Line: 440 Column: 53 - 102
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> M..." Line: 441 Column: 48 - 97
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> B..." Line: 442 Column: 46 - 95
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> K..." Line: 443 Column: 43 - 92
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> K..." Line: 444 Column: 45 - 94
"...="_blank"><i class="fa fa-chevron-right" aria-hidden="True"></i> K..." Line: 456 Column: 28 - 77
"...s="small"><i class="fa fa-chevron-right" aria-hidden="True"></i> <..." Line: 457 Column: 13 - 62
"... <i class="fa fa-chevron-right" aria-hidden="True"></i> <..."

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

Line: 436 Column: 129 - 150
"...ice Lists <font color="#CC0000">2019</..."

Bad value “160px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

Line: 526 Column: 12 - 84
"... <p><img src="/images/l_Karger_250px.png" alt="S. Karger AG" width="160px" /></p> ..."

End tag for “body” seen, but there were unclosed elements.

Line: 693 Column: 1 - 7
"...t> </body> </htm..."

Unclosed element “div”.

Line: 275 Column: 5 - 42
"...div> <div class="container-fluid" id="web"> ..."

The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.

Line: 158 Column: 21 - 63
"... <label class="control-label" for="comment">Messag..." Line: 165 Column: 21 - 63
"... <label class="control-label" for="input01"></labe..."

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karger.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.

karger.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.

KARGER.COM Karger Publishers

karger.com Website Information

Advertisement

karger.com Alexa Rank

karger.com whois

karger.com server information

Servers Location

karger.com desktop page speed rank

karger.com Desktop Speed Test Quick Summary

priority - 12Optimize images

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

Optimize the following images to reduce their size by 121.3KiB (18% reduction).

priority - 9Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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:

priority - 1Reduce server response time

In our test, your server responded in 0.29 seconds.

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 1.5KiB (16% reduction).

karger.com Desktop Resource Breakdown

karger.com mobile page speed rank

karger.com Mobile Speed Test Quick Summary

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 7 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 19Reduce server response time

In our test, your server responded in 1.5 seconds.

priority - 13Optimize images

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

Optimize the following images to reduce their size by 123.6KiB (19% reduction).

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 - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

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 1.5KiB (16% reduction).

karger.com Mobile Resource Breakdown

karger.com mobile page usability

karger.com Mobile Usability Test Quick Summary

priority - 6Size 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.

karger.com HTML validation

Warnings

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

The “type” attribute is unnecessary for JavaScript resources.

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

The first occurrence of ID “Username” was here.

The first occurrence of ID “ReturnURL” was here.

The first occurrence of ID “Password” was here.

The “textbox” role is unnecessary for an “input” element that has no “list” attribute and whose type is “text”.

Errors

Attribute “alt” not allowed on element “input” at this point.

Bad value “tooltip” for attribute “rel” on element “a”: The string “tooltip” is not a registered keyword.

Duplicate ID “Username”.

Duplicate ID “ReturnURL”.

Duplicate ID “Password”.

Attribute “autocorrect” not allowed on element “input” at this point.

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

Bad value “True” for attribute “aria-hidden” on element “i”.

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

Bad value “160px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

End tag for “body” seen, but there were unclosed elements.

Unclosed element “div”.

The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.

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