AlexaWhoisServer InformationDesktop SpeedMobile SpeedMobile UsabilityHTML ErrorsPingTraceroute

LEAFSNAP.COM Home | Leafsnap: An Electronic Field Guide

leafsnap.com Website Information

Daily Unique Visits: 3,199

Daily Page Views: 12,796

Income Per Day: $36

Estimated Value: $19,440

This website is located in United States and is using following IP address 128.59.23.133. See the complete list of popular websites hosted in United States.

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

Website leafsnap.com is using the following name servers:

  • ns67.domaincontrol.com
  • ns68.domaincontrol.com

and is probably hosted by COLUMBIA-GW - Columbia University, US. See the full list of other websites hosted by COLUMBIA-GW - Columbia University, US.

The highest website leafsnap.com position in Alexa rank database was 48912 and the lowest rank position was 999714. Current position of leafsnap.com in Alexa rank database is 392339.

Desktop speed score of leafsnap.com (83/100) is better than the results of 76.15% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of leafsnap.com (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.

Mobile speed score of leafsnap.com (76/100) is better than the results of 85.22% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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leafsnap.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.

leafsnap.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: LEAFSNAP.COM
Registry Domain ID: 1637414697_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2017-01-30T16:51:15Z
Creation Date: 2011-01-28T19:17:32Z
Registry Expiry Date: 2022-01-28T19:17:32Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS67.DOMAINCONTROL.COM
Name Server: NS68.DOMAINCONTROL.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-12-14T07:31:10Z

leafsnap.com server information

Servers Location

leafsnap.com desktop page speed rank

Last tested: 2015-09-18

Desktop Speed Medium
83/100

leafsnap.com Desktop Speed Test Quick Summary


priority - 9Leverage 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://leafsnap.com/static/css/default.css (expiration not specified)
http://leafsnap.com/static/css/footer.css (expiration not specified)
http://leafsnap.com/static/css/header.css (expiration not specified)
http://leafsnap.com/static/css/home.css (expiration not specified)
http://leafsnap.com/static/img/app_store_badge_for_ipad.png (expiration not specified)
http://leafsnap.com/static/img/appstore_crop_small.png (expiration not specified)
http://leafsnap.com/static/img/header/logo_black.png (expiration not specified)
http://leafsnap.com/static/img/header/nav/button.png (expiration not specified)
http://leafsnap.com/static/img/header/nav/buttonhere.png (expiration not specified)
http://leafsnap.com/static/img/youtube-icon-black.png (expiration not specified)
http://leafsnap.com/static/js/default.js (expiration not specified)
http://leafsnap.com/static/js/header.js (expiration not specified)
http://leafsnap.com/static/js/home.js (expiration not specified)
http://leafsnap.com/static/js/jquery/1.5.1.min.js (expiration not specified)
http://leafsnap.com/static/js/jquery/jsonp-2.1.4.min.js (expiration not specified)
http://www.google-analytics.com/ga.js (2 hours)
http://api.leafsnap.com/v1/static/cache/images/press/science-logo.png__.png (24 hours)
http://api.leafsnap.com/v1/static/cache/leafdb/ima…4_1158_w-500_h-500.jpg (24 hours)

priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://leafsnap.com/static/js/jquery/1.5.1.min.js
http://leafsnap.com/static/js/default.js
http://leafsnap.com/static/js/header.js
http://leafsnap.com/static/js/jquery/jsonp-2.1.4.min.js
http://leafsnap.com/static/js/home.js

Optimize CSS Delivery of the following:

http://leafsnap.com/static/css/default.css
http://leafsnap.com/static/css/header.css
http://leafsnap.com/static/css/footer.css
http://leafsnap.com/static/css/home.css

priority - 2Prioritize 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 52% of the final above-the-fold content could be rendered with the full HTML response.

priority - 2Optimize images

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

Optimize the following images to reduce their size by 14.4KiB (38% reduction).

Compressing and resizing http://leafsnap.com/static/img/header/logo_black.png could save 11.2KiB (60% reduction).
Losslessly compressing http://api.leafsnap.com/v1/static/cache/leafdb/ima…4_1158_w-500_h-500.jpg could save 1.5KiB (10% reduction).
Losslessly compressing http://api.leafsnap.com/v1/static/cache/images/press/science-logo.png__.png could save 1KiB (52% reduction).
Losslessly compressing http://leafsnap.com/static/img/appstore_crop_small.png could save 697B (35% reduction).

leafsnap.com Desktop Resource Breakdown

Total Resources24
Number of Hosts5
Static Resources19
JavaScript Resources8
CSS Resources4

leafsnap.com mobile page speed rank

Last tested: 2019-06-28

Mobile Speed Medium
76/100

leafsnap.com Mobile Speed Test Quick Summary


priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content

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

Optimize CSS Delivery of the following:

http://leafsnap.com/static/css/default.css
http://leafsnap.com/static/css/header.css
http://leafsnap.com/static/css/footer.css
http://leafsnap.com/static/css/home.css

priority - 13Leverage 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://leafsnap.com/static/css/default.css (expiration not specified)
http://leafsnap.com/static/css/footer.css (expiration not specified)
http://leafsnap.com/static/css/header.css (expiration not specified)
http://leafsnap.com/static/css/home.css (expiration not specified)
http://leafsnap.com/static/img/app_store_badge_for_ipad.png (expiration not specified)
http://leafsnap.com/static/img/appstore_crop_small.png (expiration not specified)
http://leafsnap.com/static/img/header/logo_black.png (expiration not specified)
http://leafsnap.com/static/img/header/nav/button.png (expiration not specified)
http://leafsnap.com/static/img/header/nav/buttonhere.png (expiration not specified)
http://leafsnap.com/static/img/youtube-icon-black.png (expiration not specified)
http://leafsnap.com/static/js/default.js (expiration not specified)
http://leafsnap.com/static/js/header.js (expiration not specified)
http://leafsnap.com/static/js/home.js (expiration not specified)
http://leafsnap.com/static/js/jquery/1.5.1.min.js (expiration not specified)
http://leafsnap.com/static/js/jquery/jsonp-2.1.4.min.js (expiration not specified)
http://www.google-analytics.com/ga.js (2 hours)
http://api.leafsnap.com/v1/static/cache/images/pre…omobile-logo.png__.png (24 hours)
http://api.leafsnap.com/v1/static/cache/leafdb/ima…82_897_w-500_h-500.jpg (24 hours)

priority - 1Optimize images

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

Optimize the following images to reduce their size by 8.1KiB (24% reduction).

Compressing http://leafsnap.com/static/img/header/logo_black.png could save 6.3KiB (35% reduction).
Compressing http://api.leafsnap.com/v1/static/cache/leafdb/ima…82_897_w-500_h-500.jpg could save 1.8KiB (11% 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 233B (31% reduction).

Minifying http://leafsnap.com/static/js/home.js could save 117B (23% reduction) after compression.
Minifying http://leafsnap.com/static/js/header.js could save 116B (49% reduction) after compression.

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 151B (15% reduction).

Minifying http://leafsnap.com/static/css/header.css could save 151B (15% reduction) after compression.

leafsnap.com Mobile Resource Breakdown

Total Resources24
Number of Hosts5
Static Resources19
JavaScript Resources8
CSS Resources4

leafsnap.com mobile page usability

Last tested: 2019-06-28

Mobile Usability Bad
62/100

leafsnap.com Mobile Usability Test Quick Summary


priority - 37Use 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.

Species and 3 others render only 7 pixels tall (17 CSS pixels).

The original L…organization. and 10 others render only 6 pixels tall (16 CSS pixels).

Natural History Museum website and 5 others render only 6 pixels tall (16 CSS pixels).

Leafsnap UK and 1 others render only 7 pixels tall (18 CSS pixels).

Free for iPhone: and 1 others render only 6 pixels tall (16 CSS pixels).

and iPad: renders only 6 pixels tall (16 CSS pixels).

Leaf of the Red Maple renders only 7 pixels tall (18 CSS pixels).

priority - 18Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,140 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <div id="banner">Login…Register</div> falls outside the viewport.
The element <a href="/about/">About</a> falls outside the viewport.
The element <h3>Leaf of the Red Maple</h3> falls outside the viewport.
The element <img src="http://api.lea…97&amp;h=500&amp;w=500"> falls outside the viewport.
The element <img src="http://api.lea…obile-logo.png"> falls outside the viewport.

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.

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 <a href="http://www.cs.…du/~belhumeur/">Columbia University</a> and 1 others are close to other tap targets.

leafsnap.com HTML validation

Errors

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

Line: 8 Column: 9 - 64
"...> <link rel="short icon" href="/static/img/favicon.ico" /> ..."

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

Line: 19 Column: 33 - 79
"... href="/"><img src="/static/img/header/logo_black.png" /></a> ..." Line: 143 Column: - 162
"......" Line: 152 Column: 124 - 171
"..."_blank"><img src="/static/img/youtube-icon-black.png" /></a></d..." Line: 156 Column: 138 - 209
"...ant-ids/"><img src="http://api.leafsnap.com/v1/press/images/studio360-logo.png" /></a></..."

Attribute “+” not allowed on element “a” at this point.

Line: 76 Column: 33 - 60
"... <a href="/species/" + param>Specie..." Line: 79 Column: 33 - 60
"... <a href="/dataset/" + param>Datase..." Line: 82 Column: 33 - 58
"... <a href="/about/" + param>About<..."

Attribute “param” not allowed on element “a” at this point.

Line: 76 Column: 33 - 60
"... <a href="/species/" + param>Specie..." Line: 79 Column: 33 - 60
"... <a href="/dataset/" + param>Datase..." Line: 82 Column: 33 - 58
"... <a href="/about/" + param>About<..."

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

Line: 110 Column: 29 - 43
"... <tr><td><font size="4">Leafsn..." Line: 123 Column: 29 - 43
"... <tr><td><font size="4">Leafsn..."

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

Line: 112 Column: 23 - 58
"... <tr> <td class="appstorelink" align="left"> ..." Line: 116 Column: 26 - 59
"... </td> <td class="appstorelink" align="right"><b>and..." Line: 125 Column: 25 - 66
"... <tr> <td class = "appstorelink" align = "left"> ..."

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

Line: 148 Column: 33 - 80
"... <table width="100%" style="table-layout:fixed;"> ..."

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

Line: 150 Column: 41 - 58
"... <tr> <td width = "50%"> ..." Line: 154 Column: 46 - 57
"... </td> <td width= "50%"> ..."

Stray start tag “script”.

Line: 188 Column: 5 - 35
"...body> <script type="text/javascript"> ..."

Warnings

Attribute “+” is not serializable as XML 1.0.

Line: 76 Column: 33 - 60
"... <a href="/species/" + param>Specie..." Line: 79 Column: 33 - 60
"... <a href="/dataset/" + param>Datase..." Line: 82 Column: 33 - 58
"... <a href="/about/" + param>About<..."

A table row was 2 columns wide and exceeded the column count established by the first row (1).

Line: 119 Column: 26 - 25
"... </td> </tr> ..."

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leafsnap.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.

leafsnap.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.