JS.DO Online Javascript Editor

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js.do website information.

js.do domain name is registered by .DO top-level domain registry. See the other sites registred in .DO domain zone.

No name server records were found.

and probably website js.do is hosted by GOOGLE - Google LLC, US web hosting company. Check the complete list of other most popular websites hosted by GOOGLE - Google LLC, US hosting company.

According to Alexa traffic rank the highest website js.do position was 744781 (in the world). The lowest Alexa rank position was 997784. Now website js.do ranked in Alexa database as number 920809 (in the world).

Website js.do Desktop speed measurement score (77/100) is better than the results of 63.93% of other sites shows that the page desktop performance can be improved.

js.do Mobile usability score (59/100) is better than the results of 2.69% of other sites and shows that the page mobile usability is poor and can be improved.

Mobile speed measurement score of js.do (40/100) is better than the results of 18.97% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
Nov-08-2024 920,80916,952
Nov-07-2024 937,7614,558
Nov-06-2024 942,31920,522
Nov-05-2024 962,841-8,539
Nov-04-2024 954,302-12,807
Nov-03-2024 941,495-16,186
Nov-02-2024 925,309-12,938

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js.do Rank History

Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.


js.do whois

WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.

js.do server information

Servers Location

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js.do desktop page speed rank

Last tested: 2019-06-28

Desktop Speed Medium
77/100

js.do Desktop Speed Test Quick Summary


priority - 12 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 9 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

https://js.do/js/jquery.js
https://js.do/js/codemirror-5.45.0/lib/codemirror.js
https://js.do/default-source2.js?v=a5
https://js.do/js/dump.js
https://js.do/js/codemirror-5.45.0/mode/htmlmixed/htmlmixed.min.js
https://js.do/js/codemirror-5.45.0/mode/xml/xml.min.js
https://js.do/js/codemirror-5.45.0/mode/css/css.min.js
https://js.do/js/codemirror-5.45.0/mode/javascript/javascript.min.js
https://js.do/js/codemirror-5.45.0/addon/selection/active-line.min.js

Optimize CSS Delivery of the following:

https://js.do/bootstrap/css/bootstrap.css
https://js.do/bootstrap/css/bootstrap-responsive.css
https://js.do/js/codemirror-5.45.0/lib/codemirror.css

priority - 8 Minify 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 74.7KiB (40% reduction).

Minifying https://js.do/js/jquery.js could save 37KiB (48% reduction) after compression.
Minifying https://js.do/js/codemirror-5.45.0/lib/codemirror.js could save 34.3KiB (34% reduction) after compression.
Minifying https://js.do/default-source2.js?v=a5 could save 3KiB (37% reduction) after compression.
Minifying https://js.do/js/dump.js could save 448B (31% reduction) after compression.

priority - 6 Leverage 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://js.do/bootstrap/css/bootstrap-responsive.css (expiration not specified)
https://js.do/bootstrap/css/bootstrap.css (expiration not specified)
https://js.do/bootstrap/img/glyphicons-halflings.png (expiration not specified)
https://js.do/js/codemirror-5.45.0/addon/selection/active-line.min.js (expiration not specified)
https://js.do/js/codemirror-5.45.0/lib/codemirror.css (expiration not specified)
https://js.do/js/codemirror-5.45.0/lib/codemirror.js (expiration not specified)
https://js.do/js/codemirror-5.45.0/mode/css/css.min.js (expiration not specified)
https://js.do/js/codemirror-5.45.0/mode/htmlmixed/htmlmixed.min.js (expiration not specified)
https://js.do/js/codemirror-5.45.0/mode/javascript/javascript.min.js (expiration not specified)
https://js.do/js/codemirror-5.45.0/mode/xml/xml.min.js (expiration not specified)
https://js.do/js/dump.js (expiration not specified)
https://js.do/js/jquery.js (expiration not specified)
https://ssl.google-analytics.com/ga.js (2 hours)

priority - 2 Prioritize 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 25% 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 - 0 Enable 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 833B (49% reduction).

Compressing https://js.do/cgi-bin/js.pl?action=load_code&user_…_permalink=hello-world could save 833B (49% reduction).

priority - 0 Minify 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 830B (33% reduction).

Minifying https://js.do/js/codemirror-5.45.0/lib/codemirror.css could save 830B (33% reduction) after compression.

priority - 0 Minify 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 542B (13% reduction).

Minifying https://js.do/ could save 542B (13% reduction) after compression.

js.do Desktop Resources

Total Resources18
Number of Hosts2
Static Resources13
JavaScript Resources11
CSS Resources3

js.do Desktop Resource Breakdown

js.do mobile page speed rank

Last tested: 2017-05-17

Mobile Speed Bad
40/100

js.do Mobile Speed Test Quick Summary


priority - 66 Enable 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 648.2KiB (74% reduction).

Compressing http://js.do/js/codemirror-5.10/lib/codemirror.js could save 252.3KiB (73% reduction).
Compressing http://js.do/js/jquery.js could save 182KiB (70% reduction).
Compressing http://js.do/bootstrap/css/bootstrap.css could save 101.7KiB (85% reduction).
Compressing http://js.do/js/codemirror-5.10/mode/css/css.js could save 27.2KiB (75% reduction).
Compressing http://js.do/js/codemirror-5.10/mode/javascript/javascript.js could save 20.6KiB (76% reduction).
Compressing http://js.do/default-source2.js?v=a1 could save 19.9KiB (70% reduction).
Compressing http://js.do/bootstrap/css/bootstrap-responsive.css could save 17.1KiB (80% reduction).
Compressing http://js.do/ could save 9.3KiB (70% reduction).
Compressing http://js.do/js/codemirror-5.10/mode/xml/xml.js could save 9.1KiB (75% reduction).
Compressing http://js.do/js/codemirror-5.10/lib/codemirror.css could save 5.4KiB (69% reduction).
Compressing http://js.do/js/dump.js could save 2.1KiB (60% reduction).
Compressing http://js.do/js/codemirror-5.10/addon/selection/active-line.js could save 1.5KiB (61% reduction).

priority - 48 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

http://js.do/js/jquery.js
http://js.do/js/codemirror-5.10/lib/codemirror.js
http://js.do/default-source2.js?v=a1
http://js.do/js/dump.js
http://js.do/js/codemirror-5.10/mode/xml/xml.js
http://js.do/js/codemirror-5.10/mode/css/css.js
http://js.do/js/codemirror-5.10/mode/javascript/javascript.js
http://js.do/js/codemirror-5.10/addon/selection/active-line.js

Optimize CSS Delivery of the following:

http://js.do/bootstrap/css/bootstrap.css
http://js.do/bootstrap/css/bootstrap-responsive.css
http://js.do/js/codemirror-5.10/lib/codemirror.css

priority - 28 Minify 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 270.6KiB (38% reduction).

Minifying http://js.do/js/codemirror-5.10/lib/codemirror.js could save 121.9KiB (36% reduction).
Minifying http://js.do/js/jquery.js could save 118.8KiB (46% reduction).
Minifying http://js.do/default-source2.js?v=a1 could save 10.9KiB (39% reduction).
Minifying http://js.do/js/codemirror-5.10/mode/css/css.js could save 6.7KiB (19% reduction).
Minifying http://js.do/js/codemirror-5.10/mode/javascript/javascript.js could save 6.6KiB (25% reduction).
Minifying http://js.do/js/codemirror-5.10/mode/xml/xml.js could save 3.5KiB (30% reduction).
Minifying http://js.do/js/dump.js could save 1.3KiB (37% reduction).
Minifying http://js.do/js/codemirror-5.10/addon/selection/active-line.js could save 854B (35% reduction).

priority - 10 Leverage 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://js.do/bootstrap/css/bootstrap-responsive.css (expiration not specified)
http://js.do/bootstrap/css/bootstrap.css (expiration not specified)
http://js.do/bootstrap/img/glyphicons-halflings.png (expiration not specified)
http://js.do/js/codemirror-5.10/addon/selection/active-line.js (expiration not specified)
http://js.do/js/codemirror-5.10/lib/codemirror.css (expiration not specified)
http://js.do/js/codemirror-5.10/lib/codemirror.js (expiration not specified)
http://js.do/js/codemirror-5.10/mode/css/css.js (expiration not specified)
http://js.do/js/codemirror-5.10/mode/javascript/javascript.js (expiration not specified)
http://js.do/js/codemirror-5.10/mode/xml/xml.js (expiration not specified)
http://js.do/js/dump.js (expiration not specified)
http://js.do/js/jquery.js (expiration not specified)
https://apis.google.com/js/plusone.js (30 minutes)
https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 8 Prioritize 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 44% of the final above-the-fold content could be rendered with the full HTML response.

priority - 2 Minify 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 21.7KiB (15% reduction).

Minifying http://js.do/bootstrap/css/bootstrap.css could save 14.9KiB (13% reduction).
Minifying http://js.do/bootstrap/css/bootstrap-responsive.css could save 4.6KiB (22% reduction).
Minifying http://js.do/js/codemirror-5.10/lib/codemirror.css could save 2.1KiB (28% reduction).

priority - 0 Minify 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 2.1KiB (16% reduction).

Minifying http://js.do/ could save 2.1KiB (16% reduction).

js.do Mobile Resources

Total Resources26
Number of Hosts6
Static Resources20
JavaScript Resources17
CSS Resources3

js.do Mobile Resource Breakdown

js.do mobile page usability

Last tested: 2017-05-17

Mobile Usability Bad
59/100

js.do Mobile Usability Test Quick Summary


priority - 38 Use 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.

register and 5 others render only 5 pixels tall (14 CSS pixels).

(free!) and 4 others render only 5 pixels tall (14 CSS pixels).

"Edit your cod…ght and fast!" renders only 5 pixels tall (12 CSS pixels).

Code address: and 1 others render only 5 pixels tall (14 CSS pixels).

http://js.do/ and 1 others render only 5 pixels tall (14 CSS pixels).

Description: renders only 5 pixels tall (14 CSS pixels).

Load code samples and 3 others render only 5 pixels tall (12 CSS pixels).

JavaScript and 1 others render only 5 pixels tall (12 CSS pixels).

10 and 14 others render only 5 pixels tall (14 CSS pixels).

script and 25 others render only 5 pixels tall (14 CSS pixels).

line++) and 5 others render only 5 pixels tall (14 CSS pixels).

var s = (Math.…) ? "╱" : "╲"; and 12 others render only 5 pixels tall (14 CSS pixels).

"line-height:…amily: times;" renders only 5 pixels tall (14 CSS pixels).

<29;i++) { and 4 others render only 5 pixels tall (14 CSS pixels).

|| renders only 5 pixels tall (14 CSS pixels).

╱╲╱╱╲╲╱╱╱╲╱╱╲╱╱╲╲╲╲╱╲╱╱╱╱╲╲╱ and 61 others render only 7 pixels tall (18 CSS pixels).

Load samples renders only 7 pixels tall (18 CSS pixels).

+116   Recomme…this on Google renders only 4 pixels tall (11 CSS pixels).

priority - 27 Size 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:;" class="btn xbtn-info btn-small">Fullscreen</a> and 3 others are close to other tap targets.

The tap target <div class="CodeMirror-vscrollbar"></div> is close to 3 other tap targets.

The tap target <div class="CodeMirror-code">1&lt;p style=&quot;lin…ript&gt;14&lt;/p&gt;15​</div> and 29 others are close to other tap targets.

The tap target <div class="CodeMirror-activeline">1&lt;p style=&quot;lin…mily: times;&quot;&gt;</div> and 14 others are close to other tap targets.

The tap target <div class="CodeMirror-act…linebackground"> is close to 12 other tap targets.

The tap target <pre class="CodeMirror-line">&lt;p style=&quot;line…mily: times;&quot;&gt;</pre> and 14 others are close to other tap targets.

The tap target <span>&lt;p style=&quot;line…mily: times;&quot;&gt;</span> and 31 others are close to other tap targets.

The tap target <span class="cm-tag cm-bracket">&lt;</span> and 51 others are close to other tap targets.

The tap target <span class="cm-attribute">style</span> and 11 others are close to other tap targets.

The tap target <span class="cm-string">&quot;line-height:…amily: times;&quot;</span> and 1 others are close to other tap targets.

The tap target <span class="cm-tag cm-error">&lt;29;i++) {</span> and 9 others are close to other tap targets.

The tap target <div id="col_resize">||</div> is close to 4 other tap targets.

The tap target <a href="http://js.do/">js.do</a> and 3 others are close to other tap targets.

priority - 10 Configure 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.

Configure a viewport for this page.

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js.do Ping

Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.

js.do TRACEROUTE

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.