DEVSKILLER.COM Devskiller - Powerful tool to test developers skills


devskiller.com website information.

devskiller.com domain name is registered by .COM top-level domain registry. See the other sites registred in .COM domain zone.

No name server records were found.

and probably website devskiller.com is hosted by INFOSPHERE NTT PC Communications, Inc., JP web hosting company. Check the complete list of other most popular websites hosted by INFOSPHERE NTT PC Communications, Inc., JP hosting company.

According to Alexa traffic rank the highest website devskiller.com position was 102015 (in the world). The lowest Alexa rank position was 194440. Now website devskiller.com ranked in Alexa database as number 112297 (in the world).

Website devskiller.com Desktop speed measurement score (79/100) is better than the results of 67.91% of other sites shows that the page desktop performance can be improved.

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

Mobile speed measurement score of devskiller.com (60/100) is better than the results of 54.7% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
Nov-16-2024 N/AN/A
Nov-15-2024 112,297-1,009
Nov-14-2024 111,288-2,439
Nov-13-2024 108,8490
Nov-12-2024 108,8490
Nov-11-2024 108,8490
Nov-10-2024 108,8491,330

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devskiller.com 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.



devskiller.com 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.


Domain Name: DEVSKILLER.COM
Registry Domain ID: 1839310894_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2019-09-19T13:30:01Z
Creation Date: 2013-12-16T07:57:59Z
Registry Expiry Date: 2022-12-16T07:57:59Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: BUCK.NS.CLOUDFLARE.COM
Name Server: INES.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-05-13T18:48:33Z

devskiller.com server information

Servers Location

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devskiller.com desktop page speed rank

Last tested: 2018-01-19


Desktop Speed Medium
79/100

devskiller.com Desktop Speed Test Quick Summary


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

Your page has 1 blocking script resources and 5 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:

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Optimize CSS Delivery of the following:

https://devskiller.com/wp-content/mmr/524f19d9-1513259291.min.css
https://fonts.googleapis.com/css?family=Indie+Flower&ver=4.9.2
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priority - 6 Optimize images

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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:

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https://src.litix.io/core/2/mux.js (expiration not specified)
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priority - 0 Minify HTML

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Minifying https://fast.wistia.com/embed/iframe_shim?domain=net could save 119B (15% reduction) after compression.

devskiller.com Desktop Resources

Total Resources107
Number of Hosts34
Static Resources49
JavaScript Resources17
CSS Resources6

devskiller.com Desktop Resource Breakdown

devskiller.com mobile page speed rank

Last tested: 2018-08-04


Mobile Speed Bad
60/100

devskiller.com Mobile Speed Test Quick Summary


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

Your page has 2 blocking script resources and 6 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://devskiller.com/wp-content/mmr/fc8f8478-1531505147.min.js
https://devskiller.com/wp-content/mmr/ed736767-1515424627.min.js

Optimize CSS Delivery of the following:

https://devskiller.com/wp-content/mmr/524f19d9-1531505147.min.css
https://fonts.googleapis.com/css?family=Indie+Flower&ver=4.9.7
https://devskiller.com/wp-content/mmr/07164dcb-1515424627.min.css
https://devskiller.com/wp-content/mmr/5a772418-1531931411.min.css
https://fonts.googleapis.com/css?family=Open+Sans&…t=latin&ver=1531931411
https://devskiller.com/wp-content/mmr/e7b90dad-1494879690.min.css

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:

https://newsharecounts.s3-us-west-2.amazonaws.com/nsc.js (expiration not specified)
https://cdn.heapanalytics.com/js/heap-774480277.js (2 minutes)
https://cdn.mxpnl.com/libs/mixpanel-2-latest.min.js (10 minutes)
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https://www.googletagmanager.com/gtm.js?id=GTM-K67JMG (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/483836…3884?v=2.8.24&r=stable (20 minutes)
https://fast.wistia.com/assets/external/E-v1.js?_=1533369661415 (60 minutes)
https://fast.wistia.com/assets/external/allIntegrations.js (60 minutes)
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https://fast.wistia.com/assets/external/popover.js (60 minutes)
https://fast.wistia.com/assets/external/wistia-mux.js (60 minutes)
https://fast.wistia.com/assets/external/wistiaLogo.js (60 minutes)
https://www.google-analytics.com/analytics.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 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 - 6 Optimize images

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

Optimize the following images to reduce their size by 58.1KiB (29% reduction).

Compressing https://devskiller.com/wp-content/uploads/2015/05/coding.jpg could save 22.6KiB (43% reduction).
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priority - 0 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 470B (12% reduction).

Minifying https://fast.wistia.com/assets/external/allIntegrations.js could save 470B (12% 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 119B (15% reduction).

Minifying https://fast.wistia.com/embed/iframe_shim?domain=net could save 119B (15% reduction) after compression.

devskiller.com Mobile Resources

Total Resources79
Number of Hosts24
Static Resources51
JavaScript Resources26
CSS Resources6

devskiller.com Mobile Resource Breakdown

devskiller.com mobile page usability

Last tested: 2018-08-04


Mobile Usability Good
94/100

devskiller.com Mobile Usability Test Quick Summary


priority - 3 Size 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 420 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <div class="row-bg using-image"> falls outside the viewport.
The element <div class="row-bg using-bg-color"> falls outside the viewport.
The element <div class="row-bg using-bg-color"> falls outside the viewport.
The element <div class="row-bg using-bg-color"> falls outside the viewport.
The element <div class="row-bg"> falls outside the viewport.
The element <div class="row-bg using-image"> falls outside the viewport.

priority - 2 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="#sidewidgetarea" class="closed"></a> is close to 1 other tap targets.

The tap target <div id="wistia_32.thumb_container" class="wistia_click_to_play"></div> is close to 1 other tap targets.

The tap target <li></li> and 3 others are close to other tap targets.
The tap target <a href="https://www.li…any/devskiller"></a> is close to 1 other tap targets.
The tap target <a>Product</a> and 5 others are close to other tap targets.

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devskiller.com 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.


devskiller.com 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.