java2s.com Website Information

Daily Unique Visits: 40,076

Daily Page Views: 240,456

Income Per Day: $481

Estimated Value: $346,320

This website is located in United States and is using following IP address 52.216.186.130. See the complete list of popular websites hosted in United States.

java2s.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website java2s.com is using the following name servers:

ns-1297.awsdns-34.org
ns-1843.awsdns-38.co.uk
ns-532.awsdns-02.net
ns-59.awsdns-07.com

and is probably hosted by AMAZON-02 - Amazon.com, Inc., US. See the full list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

The highest website java2s.com position in Alexa rank database was 26828 and the lowest rank position was 48999. Current position of java2s.com in Alexa rank database is 35788.

Desktop speed score of java2s.com (73/100) is better than the results of 56.16% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of java2s.com (61/100) is better than the results of 5.47% of other sites and means that the page is not mobile-friendly.

Mobile speed score of java2s.com (64/100) is better than the results of 64.03% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

java2s.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.

java2s.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: JAVA2S.COM
Registry Domain ID: 134501758_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2023-07-06T17:09:22Z
Creation Date: 2004-11-07T18:49:49Z
Registry Expiry Date: 2024-11-07T18:49:49Z
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: NS-1297.AWSDNS-34.ORG
Name Server: NS-1843.AWSDNS-38.CO.UK
Name Server: NS-532.AWSDNS-02.NET
Name Server: NS-59.AWSDNS-07.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-09T12:05:58Z

java2s.com server information

Servers Location

java2s.com desktop page speed rank

Last tested: 2019-12-02

Desktop Speed Medium

73/100

java2s.com Desktop Speed Test Quick Summary

priority - 23Enable 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 229.1KiB (77% reduction).

Compressing http://www.java2s.com/style/bootstrap.min.css could save 118.5KiB (86% reduction).
Compressing http://www.java2s.com/style/jquery-1.11.0.js could save 61.5KiB (65% reduction).
Compressing http://www.java2s.com/ could save 26KiB (84% reduction).
Compressing http://www.java2s.com/style/bootstrap.min.js could save 22.7KiB (73% reduction).
Compressing http://www.java2s.com/style/longTutorial.css could save 316B (51% reduction).

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

Your page has 3 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://java2s.com/style/jquery-1.11.0.js
http://java2s.com/style/bootstrap.min.js
http://www.google.com/cse/brand?form=cse-search-box&lang=en

Optimize CSS Delivery of the following:

http://java2s.com/style/bootstrap.min.css
http://java2s.com/style/longTutorial.css

priority - 4Leverage 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 - 3Minify 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 28.5KiB (21% reduction).

Minifying http://www.java2s.com/style/bootstrap.min.css could save 28.4KiB (21% reduction).
Minifying http://www.java2s.com/style/longTutorial.css could save 105B (17% reduction).

java2s.com Desktop Resource Breakdown

Total Resources	22
Number of Hosts	8
Static Resources	10
JavaScript Resources	8
CSS Resources	2

java2s.com mobile page speed rank

Last tested: 2019-12-02

Mobile Speed Bad

64/100

java2s.com Mobile Speed Test Quick Summary

priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://java2s.com/style/jquery-1.11.0.js
http://java2s.com/style/bootstrap.min.js
http://www.google.com/cse/brand?form=cse-search-box&lang=en

Optimize CSS Delivery of the following:

http://java2s.com/style/bootstrap.min.css
http://java2s.com/style/longTutorial.css

priority - 23Enable 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 229.1KiB (77% reduction).

priority - 8Leverage 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://www.java2s.com/style/bootstrap.min.css (expiration not specified)
http://www.java2s.com/style/bootstrap.min.js (expiration not specified)
http://www.java2s.com/style/jquery-1.11.0.js (expiration not specified)
http://www.java2s.com/style/longTutorial.css (expiration not specified)
https://mts0.google.com/vt/data=QQvTyPYm1ZSMs-OP3G…JcO813qC3R-xTuhskZ3_xw (25.8 minutes)
https://cse.google.com/cse/brand?form=cse-search-box&lang=en (30 minutes)
https://www.googletagservices.com/activeview/js/cu…osd.js?cb=%2Fr20100101 (50 minutes)
https://www.googletagservices.com/activeview/js/cu…ner.js?cache=r20110914 (50 minutes)
https://mts0.google.com/vt/data=CtQxI7b1sx6JlI11AJ…INUW5hWTxpeVp0t-d_hSjQ (57.3 minutes)
http://pagead2.googlesyndication.com/pagead/show_ads.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)

priority - 3Minify 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 28.5KiB (21% reduction).

Minifying http://www.java2s.com/style/bootstrap.min.css could save 28.4KiB (21% reduction).
Minifying http://www.java2s.com/style/longTutorial.css could save 105B (17% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 7.2KiB (43% reduction).

Compressing https://tpc.googlesyndication.com/simgad/11518128990336303211 could save 4.9KiB (64% reduction).
Compressing https://tpc.googlesyndication.com/simgad/1519885705033054939 could save 2.3KiB (26% reduction).

java2s.com Mobile Resource Breakdown

Total Resources	57
Number of Hosts	23
Static Resources	22
JavaScript Resources	15
CSS Resources	3

java2s.com mobile page usability

Last tested: 2019-12-02

Mobile Usability Bad

61/100

java2s.com Mobile Usability Test Quick Summary

priority - 26Size 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.jav…java/java.html">Java Examples</a> and 19 others are close to other tap targets.

The tap target <a href="http://www.jav…ty-method.html" class="btn btn-success btn-xs">Java Utility Methods</a> and 24 others are close to other tap targets.

The tap target <a href="http://www.jav…cala/index.htm">Scala Tutorial</a> and 179 others are close to other tap targets.

The tap target <div class="ns-8covd-e-5 headline">Save 40% Storewide This Week</div> is close to 1 other tap targets.
The tap target <div class="ns-8covd-e-7 store-name">adidas Outlet</div> is close to 2 other tap targets.
The tap target <canvas class="ns-8covd-e-9 logo"> is close to 2 other tap targets.
The tap target <div class="ns-8covd-e-11 description row">Try On Our Hom…ther Sneakers.</div> is close to 2 other tap targets.
The tap target <div class="ns-8covd-e-14 map">Milpitas</div> is close to 3 other tap targets.
The tap target <div class="ns-8covd-e-15 map-pin-icon"></div> is close to 3 other tap targets.
The tap target <div class="ns-8covd-e-16 map-city">Milpitas</div> is close to 4 other tap targets.
The tap target <div class="ns-8covd-e-20…xit-button row">WEBSITE</div> and 1 others are close to other tap targets.
The tap target <div id="abgc" class="abgc"></div> is close to 3 other tap targets.
The tap target <div id="abgc" class="abgc"></div> is close to 3 other tap targets.
The tap target <div class="ns-buksu-e-5 headline">40% Off In Store & Sitewide</div> is close to 1 other tap targets.
The tap target <div class="ns-buksu-e-7 store-name">Levi's Store a…ld Valley Fair</div> is close to 2 other tap targets.
The tap target <div class="ns-buksu-e-11 description row">Get 40% Off In…er MondaySale.</div> is close to 2 other tap targets.
The tap target <div class="ns-buksu-e-14 map">Santa Clara</div> is close to 3 other tap targets.
The tap target <div class="ns-buksu-e-15 map-pin-icon"></div> is close to 3 other tap targets.
The tap target <div class="ns-buksu-e-16 map-city">Santa Clara</div> is close to 3 other tap targets.
The tap target <div class="ns-buksu-e-20…xit-button row">WEBSITE</div> and 1 others are close to other tap targets.
The tap target <div id="abgc" class="abgc"></div> is close to 3 other tap targets.
The tap target <div id="abgc" class="abgc"></div> is close to 3 other tap targets.

priority - 25Use 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.

Nov 04,2019 and 5 others render only 8 pixels tall (18 CSS pixels).

Oracle PL/SQL Tutorial / Quiz and 24 others render only 6 pixels tall (14 CSS pixels).

Oracle PL/SQL Tutorial / Quiz and 24 others render only 5 pixels tall (12 CSS pixels).

Microsoft Offi…2007 Tutorial and 181 others render only 6 pixels tall (14 CSS pixels).

Save 40% Storewide This Week renders only 6 pixels tall (15 CSS pixels).
adidas Outlet renders only 6 pixels tall (15 CSS pixels).
Try On Our Hom…s Iconic White and 1 others render only 5 pixels tall (13 CSS pixels).
Milpitas renders only 5 pixels tall (11 CSS pixels).
DIRECTIONS and 1 others render only 5 pixels tall (11 CSS pixels).
40% Off In Store & Sitewide renders only 7 pixels tall (16 CSS pixels).
Levi's Store a…ld Valley Fair renders only 5 pixels tall (11 CSS pixels).
Get 40% Off In…® Cyber Monday and 1 others render only 5 pixels tall (11 CSS pixels).
Santa Clara renders only 5 pixels tall (11 CSS pixels).
DIRECTIONS and 1 others render only 5 pixels tall (11 CSS pixels).
java2s.com renders only 7 pixels tall (17 CSS pixels).
yinpeng263@hot…ghts reserved. and 1 others render only 7 pixels tall (17 CSS pixels).

priority - 10Configure the viewport

Your page specifies a fixed-width desktop viewport. Use a responsive viewport to allow your page to render properly on all devices.

priority - 4Size 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 1,005 CSS pixels wide, but the viewport is only 900 CSS pixels wide. The following elements fall outside the viewport:

The element <input type="text" name="q"> falls outside the viewport.
The element <input type="submit" name="sa"> falls outside the viewport.
The element <h1>Java</h1> falls outside the viewport.
The element <h3>Certification Interview</h3> falls outside the viewport.
The element <li>Java Tutorial / Quiz</li> falls outside the viewport.
The element <li>OCA Java Building Blocks</li> falls outside the viewport.
The element <li>OCA Java Operators Statements</li> falls outside the viewport.
The element <li>OCA Java Method</li> falls outside the viewport.
The element <li>OCA Java Class Design</li> falls outside the viewport.
The element <li>OCA Java APIs</li> falls outside the viewport.
The element <li>OCA Java Exception</li> falls outside the viewport.
The element <li>OCA Java Review</li> falls outside the viewport.
The element <li>OCA Java Mock Exam</li> falls outside the viewport.
The element <li>OCA Java Mock Exam 2</li> falls outside the viewport.
The element <h3>How to</h3> falls outside the viewport.
The element <li>Java Algorithms How to</li> falls outside the viewport.
The element <li>Java Collection How to</li> falls outside the viewport.
The element <li>Java Data Type How to</li> falls outside the viewport.
The element <li>Java Data Structure How to</li> falls outside the viewport.
The element <li>Java I/O How to</li> falls outside the viewport.
The element <li>Java Graphics How to</li> falls outside the viewport.
The element <li>Java XML HTML How to</li> falls outside the viewport.
The element <li>JavaFX How to</li> falls outside the viewport.
The element <li>Java Stream How to</li> falls outside the viewport.
The element <li>Java Swing How to</li> falls outside the viewport.
The element <li>JDBC How to</li> falls outside the viewport.
The element <li>Java Thread How to</li> falls outside the viewport.
The element <li>Java Network How to</li> falls outside the viewport.
The element <h3>Advanced</h3> falls outside the viewport.
The element <li>Java Thread Tutorial</li> falls outside the viewport.
The element <li>Java Network Tutorial</li> falls outside the viewport.
The element <h3>GUI</h3> falls outside the viewport.
The element <li>Java Swing Tutorial</li> falls outside the viewport.
The element <li>JavaFX Tutorial</li> falls outside the viewport.
The element <h3>Java 8</h3> falls outside the viewport.
The element <li>Java Streams Tutorial</li> falls outside the viewport.
The element <li>Java Date Time Tutorial</li> falls outside the viewport.
The element <li>Java Lambda Tutorial</li> falls outside the viewport.
The element <li>Scripting in Java Tutorial</li> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>Mobile</h1> falls outside the viewport.
The element <h3>IOS</h3> falls outside the viewport.
The element <li>Swift Tutorial / Quiz</li> falls outside the viewport.
The element <li>Swift Tutorial</li> falls outside the viewport.
The element <li>Objective C Tutorial</li> falls outside the viewport.
The element <li>Objective C Free Code</li> falls outside the viewport.
The element <h3>Javascript</h3> falls outside the viewport.
The element <li>jQuery Mobile</li> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>C# /C++ /C</h1> falls outside the viewport.
The element <h3>C</h3> falls outside the viewport.
The element <li>C Example</li> falls outside the viewport.
The element <li>C tutorial / Quiz</li> falls outside the viewport.
The element <li>Learn C</li> falls outside the viewport.
The element <li>C Data Type Functions</li> falls outside the viewport.
The element <li>C String Functions</li> falls outside the viewport.
The element <li>C Time Functions</li> falls outside the viewport.
The element <li>C Tutorial 2.0</li> falls outside the viewport.
The element <li>C / ANSI-C</li> falls outside the viewport.
The element <li>C Tutorial</li> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <div></div> falls outside the viewport.
The element <h1>ASP.NET</h1> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>Database</h1> falls outside the viewport.
The element <h3>SQL Server</h3> falls outside the viewport.
The element <li>SQL Server / T-SQL</li> falls outside the viewport.
The element <a href="http://www.jav…gSQLServer.htm">SQL Server / T…Tutorial MySQL</a> falls outside the viewport.
The element <h3>PostgreSQL</h3> falls outside the viewport.
The element <li>PostgreSQL</li> falls outside the viewport.
The element <h3>MySQL</h3> falls outside the viewport.
The element <li>SQL / MySQL</li> falls outside the viewport.
The element <li>MySQL Tutorial</li> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>Javascript</h1> falls outside the viewport.
The element <h3>jQuery How to</h3> falls outside the viewport.
The element <li>jQuery Table How to</li> falls outside the viewport.
The element <li>jQuery Style How to</li> falls outside the viewport.
The element <li>jQuery Selector How to</li> falls outside the viewport.
The element <li>jQuery Page Widget How to</li> falls outside the viewport.
The element <li>jQuery Method How to</li> falls outside the viewport.
The element <li>jQuery Form How to</li> falls outside the viewport.
The element <li>jQuery Event How to</li> falls outside the viewport.
The element <li>jQuery HTML Element How to</li> falls outside the viewport.
The element <li>jQuery Data Type How to</li> falls outside the viewport.
The element <li>jQuery Animation How to</li> falls outside the viewport.
The element <h3>Javascript How to</h3> falls outside the viewport.
The element <li>Javascript Form How to</li> falls outside the viewport.
The element <li>HTML Canvas How to</li> falls outside the viewport.
The element <li>Javascript Style How to</li> falls outside the viewport.
The element <li>Javascript Event How to</li> falls outside the viewport.
The element <li>Javascript Element How to</li> falls outside the viewport.
The element <li>Javascript DOM How to</li> falls outside the viewport.
The element <li>Javascript Data Type How to</li> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>HTML/CSS</h1> falls outside the viewport.
The element <li>HTML CSS Example</li> falls outside the viewport.
The element <li>Bootstrap Tutorial</li> falls outside the viewport.
The element <li>HTML Tutorial</li> falls outside the viewport.
The element <li>HTML Tag Reference</li> falls outside the viewport.
The element <li>HTML Global At…bute Reference</li> falls outside the viewport.
The element <li>HTML Event Reference</li> falls outside the viewport.
The element <li>CSS Tutorial</li> falls outside the viewport.
The element <li>CSS Selector Reference</li> falls outside the viewport.
The element <li>CSS Property Reference</li> falls outside the viewport.
The element <li>HTML/CSS</li> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <div></div> falls outside the viewport.
The element <h1>Script</h1> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>Graphics</h1> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>MS-Office</h1> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>XML</h1> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>VB.Net</h1> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <h1>Java Q and A</h1> falls outside the viewport.
The element <hr> falls outside the viewport.
The element <p class="pull-right">java2s.com |…ghts reserved.</p> falls outside the viewport.

java2s.com HTML validation

Errors

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Line: 5 Column: 1 - 67
"...="utf-8"> <meta http-equiv='Content-Type' content='text/html; charset=UTF-8'> <meta..."

Bad value “content-style-type” for attribute “http-equiv” on element “meta”.

Line: 9 Column: 1 - 57
"...s</title> <meta http-equiv='content-style-type' content='text/css'> <meta..."

No space between attributes.

Line: 10 Column: - 31
"...hor' content=''Demo Source and..."

Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Line: 10 Column: - 59
"...nd Support Ltd.'> <meta name='..."

Attribute “demo” not allowed on element “meta” at this point.

Line: 10 Column: 1 - 60
"...ext/css'> <meta name='author' content=''Demo Source and Support Ltd.'> <meta..."

Attribute “source” not allowed on element “meta” at this point.

Line: 10 Column: 1 - 60
"...ext/css'> <meta name='author' content=''Demo Source and Support Ltd.'> <meta..."

Attribute “and” not allowed on element “meta” at this point.

Line: 10 Column: 1 - 60
"...ext/css'> <meta name='author' content=''Demo Source and Support Ltd.'> <meta..."

Attribute “support” not allowed on element “meta” at this point.

Line: 10 Column: 1 - 60
"...ext/css'> <meta name='author' content=''Demo Source and Support Ltd.'> <meta..."

Attribute “ltd.'” not allowed on element “meta” at this point.

Line: 10 Column: 1 - 60
"...ext/css'> <meta name='author' content=''Demo Source and Support Ltd.'> <meta..."

The “label” element may contain at most one “button”, “input”, “meter”, “output”, “progress”, “select”, or “textarea” descendant.

Line: 46 Column: 17 - 63
"... <input type="submit" name="sa" value="Search"/> ..."

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

Line: 47 Column: 14 - 24
"... </fieldset> ..."

Unclosed element “label”.

Line: 42 Column: 17 - 45
"... <label class="control-label"> ..."

Warnings

Attribute “ltd.'” is not serializable as XML 1.0.

Line: 10 Column: 1 - 60
"...ext/css'> <meta name='author' content=''Demo Source and Support Ltd.'> <meta..."

“label” element with multiple labelable descendants.

Line: 42 Column: 17 - 45
"... <label class="control-label"> ..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 49 Column: 11 - 111
"... <script type="text/javascript" src="http://www.google.com/cse/brand?form=cse-search-box&lang=en"></scri..." Line: 51 Column: 1 - 31
"...br/><br/> <script type="text/javascript"><!-- g..." Line: 65 Column: 1 - 68
"...</script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></scri..." Line: 67 Column: 1 - 31
"...br/><br/> <script type="text/javascript"><!-- g..." Line: 81 Column: 1 - 68
"...</script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></scri..."

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java2s.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.

java2s.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.

JAVA2S.COM Programming Tutorials and Source Code Examples

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java2s.com desktop page speed rank

java2s.com Desktop Speed Test Quick Summary

priority - 23Enable 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 229.1KiB (77% reduction).

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

Your page has 3 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 4Leverage 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 - 3Minify 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 28.5KiB (21% reduction).

java2s.com Desktop Resource Breakdown

java2s.com mobile page speed rank

java2s.com Mobile Speed Test Quick Summary

priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 23Enable 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 229.1KiB (77% reduction).

priority - 8Leverage 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 - 3Minify 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 28.5KiB (21% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 7.2KiB (43% reduction).

java2s.com Mobile Resource Breakdown

java2s.com mobile page usability

java2s.com Mobile Usability Test Quick Summary

priority - 26Size 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 - 25Use 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 - 10Configure the viewport

Your page specifies a fixed-width desktop viewport. Use a responsive viewport to allow your page to render properly on all devices.

priority - 4Size 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 1,005 CSS pixels wide, but the viewport is only 900 CSS pixels wide. The following elements fall outside the viewport:

java2s.com HTML validation

Errors

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Bad value “content-style-type” for attribute “http-equiv” on element “meta”.

No space between attributes.

Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “demo” not allowed on element “meta” at this point.

Attribute “source” not allowed on element “meta” at this point.

Attribute “and” not allowed on element “meta” at this point.

Attribute “support” not allowed on element “meta” at this point.

Attribute “ltd.'” not allowed on element “meta” at this point.

The “label” element may contain at most one “button”, “input”, “meter”, “output”, “progress”, “select”, or “textarea” descendant.

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

Unclosed element “label”.

Warnings

Attribute “ltd.'” is not serializable as XML 1.0.

“label” element with multiple labelable descendants.

The “type” attribute is unnecessary for JavaScript resources.

java2s.com similar domains

java2s.com Ping

java2s.com TRACEROUTE