yifan.lu Website Information
Daily Unique Visits: 1,149
Daily Page Views: 2,298
Income Per Day: $7
Estimated Value: $1,680
yifan.lu is registered under .LU top-level domain. Please check other sites in .LU zone.
No name server records were found.
and is probably hosted by FASTLY - Fastly, US. See the full list of other websites hosted by FASTLY - Fastly, US.
The highest website yifan.lu position in Alexa rank database was 51215 and the lowest rank position was 997401. Current position of yifan.lu in Alexa rank database is 624074.
Desktop speed score of yifan.lu (84/100) is better than the results of 78.07% of other sites and shows that the page is performing great on desktop computers.
Mobile usability score of yifan.lu (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed score of yifan.lu (73/100) is better than the results of 81.47% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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yifan.lu 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.
yifan.lu 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.
% Access to RESTENA DNS-LU WHOIS information is provided to assist persons
% in determining the content of a domain name registration record in the LU
% registration database. The data in this record is provided by RESTENA DNS-LU
% for information purposes only, and RESTENA DNS-LU does not guarantee its
% accuracy. Compilation, repackaging, dissemination or other use of the
% WHOIS database in its entirety, or of a substantial part thereof, is not
% allowed without the prior written permission of RESTENA DNS-LU.
%
% By submitting a WHOIS query, you agree to abide by this policy. You acknowledge
% that the use of the WHOIS database is regulated by the ACCEPTABLE USE POLICY
% (http://www.dns.lu/en/support/domainname-availability/whois-gateway/), that you are aware of its
% content, and that you accept its terms and conditions.
%
% You agree especially that you will use this data only for lawful purposes and
% that you will not use this data to:
% (1) allow, enable, or otherwise support the transmission of mass unsolicited,
% commercial advertising or solicitations via e-mail (spam); or
% (2) enable high volume, automated, electronic processes that apply to
% RESTENA DNS-LU (or its systems).
%
% All rights reserved.
%
% WHOIS yifan.lu
domainname: yifan.lu
domaintype: ACTIVE
nserver: lucy.ns.cloudflare.com
nserver: ray.ns.cloudflare.com
ownertype: PRIVATE
org-country: US
registrar-name: OVH
registrar-email: support@ovh.com
registrar-url: http://www.ovh.lu
registrar-country: FR
%
% More details on the domain may be available at below whois-web URL.
% Next to possible further data a form to contact domain operator or
% request further details is available.
whois-web: https://www.dns.lu/en/support/domainname-availability/whois-gateway/
% in determining the content of a domain name registration record in the LU
% registration database. The data in this record is provided by RESTENA DNS-LU
% for information purposes only, and RESTENA DNS-LU does not guarantee its
% accuracy. Compilation, repackaging, dissemination or other use of the
% WHOIS database in its entirety, or of a substantial part thereof, is not
% allowed without the prior written permission of RESTENA DNS-LU.
%
% By submitting a WHOIS query, you agree to abide by this policy. You acknowledge
% that the use of the WHOIS database is regulated by the ACCEPTABLE USE POLICY
% (http://www.dns.lu/en/support/domainname-availability/whois-gateway/), that you are aware of its
% content, and that you accept its terms and conditions.
%
% You agree especially that you will use this data only for lawful purposes and
% that you will not use this data to:
% (1) allow, enable, or otherwise support the transmission of mass unsolicited,
% commercial advertising or solicitations via e-mail (spam); or
% (2) enable high volume, automated, electronic processes that apply to
% RESTENA DNS-LU (or its systems).
%
% All rights reserved.
%
% WHOIS yifan.lu
domainname: yifan.lu
domaintype: ACTIVE
nserver: lucy.ns.cloudflare.com
nserver: ray.ns.cloudflare.com
ownertype: PRIVATE
org-country: US
registrar-name: OVH
registrar-email: support@ovh.com
registrar-url: http://www.ovh.lu
registrar-country: FR
%
% More details on the domain may be available at below whois-web URL.
% Next to possible further data a form to contact domain operator or
% request further details is available.
whois-web: https://www.dns.lu/en/support/domainname-availability/whois-gateway/
yifan.lu server information
Servers Location
yifan.lu desktop page speed rank
Last tested: 2019-06-17
Desktop Speed
Medium
84/100
yifan.lu Desktop Speed Test Quick Summary
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
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https://yifan.lu/assets/css/autumn.css
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https://yifan.lu/assets/css/autumn.css
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https://fonts.googleapis.com/css?family=Source+San…ic,400italic,700italic
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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.
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https://yifan.lu/assets/js/menus.js (10 minutes)
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priority - 0Minify CSS
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priority - 0Minify JavaScript
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yifan.lu Desktop Resource Breakdown
| Total Resources | 37 |
| Number of Hosts | 10 |
| Static Resources | 26 |
| JavaScript Resources | 11 |
| CSS Resources | 7 |
yifan.lu mobile page speed rank
Last tested: 2017-05-31
Mobile Speed
Medium
73/100
yifan.lu Mobile Speed Test Quick Summary
priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
http://yifan.lu/assets/css/style.css
http://yifan.lu/assets/css/autumn.css
http://yifan.lu/assets/css/forms.css
http://fonts.googleapis.com/css?family=Source+Sans…ic,400italic,700italic
http://yifan.lu/assets/fonts/genericons/genericons.css
http://yifan.lu/assets/css/autumn.css
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priority - 10Leverage 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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http://feeds2.feedburner.com/~fc/YifanLu?bg=E3DACF&fg=345797&anim=0 (2 hours)
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http://yifan.lu/assets/css/autumn.css (24 hours)
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http://yifan.lu/assets/css/style.css (24 hours)
http://yifan.lu/assets/fonts/genericons/genericons.css (24 hours)
http://yifan.lu/assets/js/jquery-migrate.min.js (24 hours)
http://yifan.lu/assets/js/jquery.min.js (24 hours)
http://yifan.lu/assets/js/menus.js (24 hours)
http://yifan.lu/assets/js/skip-link-focus-fix.js (24 hours)
http://cdn.viglink.com/images/pixel.gif?ch=2&rn=8.907702658092603 (15 seconds)
https://cdn.syndication.twimg.com/widgets/timeline…e_codes=true&t=1662492 (5 minutes)
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http://feeds2.feedburner.com/~fc/YifanLu?bg=E3DACF&fg=345797&anim=0 (2 hours)
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http://yifan.lu/assets/css/autumn.css (24 hours)
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http://yifan.lu/assets/fonts/genericons/genericons.css (24 hours)
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priority - 1Optimize images
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yifan.lu Mobile Resource Breakdown
| Total Resources | 41 |
| Number of Hosts | 13 |
| Static Resources | 29 |
| JavaScript Resources | 12 |
| CSS Resources | 7 |
yifan.lu mobile page usability
Last tested: 2017-05-31
Mobile Usability
Good
99/100
yifan.lu Mobile Usability Test Quick Summary
priority - 0Size 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
<div id="social-links-toggle" class="toggle">Social Links</div> is close to 1 other tap targets.The tap target
<div id="social-links-toggle" class="toggle">Social Links</div> is close to 1 other tap targets.yifan.lu HTML validation
Warnings
The “navigation” role is unnecessary for element “nav”.
Line: 104 Column: 3 - 70
"...panel"> <nav id="site-navigation" class="main-navigation" role="navigation"> <..." Line: 507 Column: 1 - 60
"...--> <nav class="navigation paging-navigation" role="navigation"> <h1..."
"...panel"> <nav id="site-navigation" class="main-navigation" role="navigation"> <..." Line: 507 Column: 1 - 60
"...--> <nav class="navigation paging-navigation" role="navigation"> <h1..."
The “banner” role is unnecessary for element “header”.
Line: 207 Column: 1 - 56
"...> </div> <header id="masthead" class="site-header" role="banner"> <di..."
"...> </div> <header id="masthead" class="site-header" role="banner"> <di..."
The “main” role is unnecessary for element “main”.
Line: 234 Column: 11 - 56
"... <main id="main" class="site-main" role="main"> ..."
"... <main id="main" class="site-main" role="main"> ..."
The “contentinfo” role is unnecessary for element “footer”.
Line: 528 Column: 1 - 61
"... <footer id="colophon" class="site-footer" role="contentinfo"> <di..."
"... <footer id="colophon" class="site-footer" role="contentinfo"> <di..."
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Line: 460 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 248 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 301 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 174 Column: 75 - 99
"...timeline"><h1 class="widget-title">Follow..." Line: 354 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 508 Column: 3 - 33
"...ation"> <h1 class="screen-reader-text">Post n..." Line: 407 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 164 Column: 7 - 31
"...s"> <h1 class="widget-title">Featur..."
"...der"> <h1 class="entry-title"> ..." Line: 248 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 301 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 174 Column: 75 - 99
"...timeline"><h1 class="widget-title">Follow..." Line: 354 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 508 Column: 3 - 33
"...ation"> <h1 class="screen-reader-text">Post n..." Line: 407 Column: 5 - 28
"...der"> <h1 class="entry-title"> ..." Line: 164 Column: 7 - 31
"...s"> <h1 class="widget-title">Featur..."
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Line: 2 Column: 16 - 6
"...TYPE html> <html> <..."
"...TYPE html> <html> <..."
Errors
Attribute “height” not allowed on element “a” at this point.
Line: 174 Column: 125 - 363
"...itter</h1><a class="twitter-timeline" data-dnt="true" href="https://twitter.com/yifanlu" data-widget-id="331822352352546818" height="250" data-theme="dark" data-link-color="#f96e5b" data-border-color="#e8e8e8" data-lang="EN" data-chrome="noborders">Tweets..."
"...itter</h1><a class="twitter-timeline" data-dnt="true" href="https://twitter.com/yifanlu" data-widget-id="331822352352546818" height="250" data-theme="dark" data-link-color="#f96e5b" data-border-color="#e8e8e8" data-lang="EN" data-chrome="noborders">Tweets..."
Bad value “permalink” for attribute “rel” on element “a”: The string “permalink” is not a registered keyword.
Line: 250 Column: 9 - 89
"... <a href="//yifan.lu/2019/02/22/attacking-hardware-aes-with-dfa/" rel="permalink">Attack..." Line: 268 Column: 7 - 105
"... <a href="//yifan.lu/2019/02/22/attacking-hardware-aes-with-dfa/" rel="permalink" class="more-link"> ..." Line: 303 Column: 9 - 115
"... <a href="//yifan.lu/2019/01/10/injecting-software-vulnerabilities-with-voltage-glitching/" rel="permalink">Inject..." Line: 321 Column: 7 - 131
"... <a href="//yifan.lu/2019/01/10/injecting-software-vulnerabilities-with-voltage-glitching/" rel="permalink" class="more-link"> ..." Line: 356 Column: 9 - 79
"... <a href="//yifan.lu/2017/12/31/vita-hdmi-mod-attempt/" rel="permalink">Vita H..." Line: 374 Column: 7 - 95
"... <a href="//yifan.lu/2017/12/31/vita-hdmi-mod-attempt/" rel="permalink" class="more-link"> ..." Line: 409 Column: 9 - 89
"... <a href="//yifan.lu/2017/09/13/foobar-blossoms-and-isomorphism/" rel="permalink">Foobar..." Line: 427 Column: 7 - 105
"... <a href="//yifan.lu/2017/09/13/foobar-blossoms-and-isomorphism/" rel="permalink" class="more-link"> ..." Line: 462 Column: 9 - 96
"... <a href="//yifan.lu/2017/08/22/psvsd-custom-vita-microsd-card-adapter/" rel="permalink">psvsd:..." Line: 480 Column: 7 - 112
"... <a href="//yifan.lu/2017/08/22/psvsd-custom-vita-microsd-card-adapter/" rel="permalink" class="more-link"> ..."
"... <a href="//yifan.lu/2019/02/22/attacking-hardware-aes-with-dfa/" rel="permalink">Attack..." Line: 268 Column: 7 - 105
"... <a href="//yifan.lu/2019/02/22/attacking-hardware-aes-with-dfa/" rel="permalink" class="more-link"> ..." Line: 303 Column: 9 - 115
"... <a href="//yifan.lu/2019/01/10/injecting-software-vulnerabilities-with-voltage-glitching/" rel="permalink">Inject..." Line: 321 Column: 7 - 131
"... <a href="//yifan.lu/2019/01/10/injecting-software-vulnerabilities-with-voltage-glitching/" rel="permalink" class="more-link"> ..." Line: 356 Column: 9 - 79
"... <a href="//yifan.lu/2017/12/31/vita-hdmi-mod-attempt/" rel="permalink">Vita H..." Line: 374 Column: 7 - 95
"... <a href="//yifan.lu/2017/12/31/vita-hdmi-mod-attempt/" rel="permalink" class="more-link"> ..." Line: 409 Column: 9 - 89
"... <a href="//yifan.lu/2017/09/13/foobar-blossoms-and-isomorphism/" rel="permalink">Foobar..." Line: 427 Column: 7 - 105
"... <a href="//yifan.lu/2017/09/13/foobar-blossoms-and-isomorphism/" rel="permalink" class="more-link"> ..." Line: 462 Column: 9 - 96
"... <a href="//yifan.lu/2017/08/22/psvsd-custom-vita-microsd-card-adapter/" rel="permalink">psvsd:..." Line: 480 Column: 7 - 112
"... <a href="//yifan.lu/2017/08/22/psvsd-custom-vita-microsd-card-adapter/" rel="permalink" class="more-link"> ..."
Bad value “generator” for attribute “rel” on element “a”: The string “generator” is not a registered keyword.
Line: 537 Column: 6 - 60
"... <a href="https://twitter.com/yifanlu" rel="generator">Twitte..." Line: 546 Column: 7 - 59
"... <a href="https://github.com/yifanlu" rel="generator">GitHub..."
"... <a href="https://twitter.com/yifanlu" rel="generator">Twitte..." Line: 546 Column: 7 - 59
"... <a href="https://github.com/yifanlu" rel="generator">GitHub..."
Bad value “designer” for attribute “rel” on element “a”: The string “designer” is not a registered keyword.
Line: 549 Column: 20 - 67
"...: Hexa by <a href="http://automattic.com/" rel="designer">Automa..."
"...: Hexa by <a href="http://automattic.com/" rel="designer">Automa..."
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yifan.lu 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.
yifan.lu 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.