JENKOV.COM Jenkov.com


jenkov.com website information.

jenkov.com website servers are located in Germany and are responding from following IP address 148.251.188.73. Check the full list of most visited websites located in Germany.

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

Following name servers are specified for jenkov.com domain:

  • ns1.ascio.net
  • ns2.ascio.net

and probably website jenkov.com is hosted by ascio.net web hosting company. Check the complete list of other most popular websites hosted by ascio.net hosting company.

According to Alexa traffic rank the highest website jenkov.com position was 13956 (in the world). The lowest Alexa rank position was 71722. Now website jenkov.com ranked in Alexa database as number 28596 (in the world).

Website jenkov.com Desktop speed measurement score (51/100) is better than the results of 21.13% of other sites shows that the page desktop performance can be improved.

jenkov.com Mobile usability score (96/100) is better than the results of 60.6% of other sites and means that the page is mobile-friendly.

Mobile speed measurement score of jenkov.com (45/100) is better than the results of 22.37% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
May-25-2019 28,596-1,860
May-24-2019 26,736-5,903
May-23-2019 20,8336,695
May-22-2019 27,528-4,585
May-21-2019 22,94310,688
May-20-2019 33,631-5,014
May-19-2019 28,6172,255

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jenkov.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.


jenkov.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: JENKOV.COM
Registry Domain ID: 31414690_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.ascio.com
Registrar URL: http://www.ascio.com
Updated Date: 2017-07-16T07:36:00Z
Creation Date: 2000-07-15T19:47:47Z
Registry Expiry Date: 2018-07-15T19:47:47Z
Registrar: Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA
Registrar IANA ID: 106
Registrar Abuse Contact Email: abuse@ascio.com
Registrar Abuse Contact Phone: +442070159370
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.ASCIO.NET
Name Server: NS2.ASCIO.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2018-03-21T08:16:33Z

jenkov.com server information

Servers Location

jenkov.com desktop page speed rank

Last tested: 2016-08-03


Desktop Speed Bad
51/100

jenkov.com Desktop Speed Test Quick Summary


priority - 93 Optimize images

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Compressing and resizing http://jenkov.com/images/vstack-screenshot.png could save 760.7KiB (97% reduction).
Compressing and resizing http://jenkov.com/images/tutorials-screenshot.png could save 151.7KiB (94% reduction).

priority - 10 Eliminate render-blocking JavaScript and CSS in above-the-fold content

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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://code.jquery.com/jquery-1.11.0.min.js
http://jenkov.com/js/jqc/1.7.0/jqc-custom-build-mini.js

priority - 1 Enable compression

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priority - 0 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.

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http://www.google-analytics.com/analytics.js (2 hours)

priority - 0 Minify HTML

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jenkov.com Desktop Resources

Total Resources9
Number of Hosts3
Static Resources6
JavaScript Resources4

jenkov.com Desktop Resource Breakdown

jenkov.com mobile page speed rank

Last tested: 2016-08-03


Mobile Speed Bad
45/100

jenkov.com Mobile Speed Test Quick Summary


priority - 93 Optimize images

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

Optimize the following images to reduce their size by 912.3KiB (96% reduction).

Compressing and resizing http://jenkov.com/images/vstack-screenshot.png could save 760.7KiB (97% reduction).
Compressing and resizing http://jenkov.com/images/tutorials-screenshot.png could save 151.7KiB (94% reduction).

priority - 40 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script 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://code.jquery.com/jquery-1.11.0.min.js
http://jenkov.com/js/jqc/1.7.0/jqc-custom-build-mini.js

priority - 1 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://www.google-analytics.com/analytics.js (2 hours)

priority - 1 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

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Compressing http://jenkov.com/ could save 5.1KiB (67% 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 (29% reduction).

Minifying http://jenkov.com/ could save 2.1KiB (29% reduction).

jenkov.com Mobile Resources

Total Resources9
Number of Hosts3
Static Resources6
JavaScript Resources4

jenkov.com Mobile Resource Breakdown

jenkov.com mobile page usability

Last tested: 2016-08-03


Mobile Usability Good
96/100

jenkov.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 433 CSS pixels wide, but the viewport is only 411 CSS pixels wide. The following elements fall outside the viewport:

The element <b>tutorials.jenkov.com</b> falls outside the viewport.

priority - 0 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="http://tutorials.jenkov.com">tutorials.jenk…a science etc.</a> is close to 1 other tap targets.

jenkov.com Mobile Resources

Total Resources9
Number of Hosts3
Static Resources6
JavaScript Resources4

jenkov.com Mobile Resource Breakdown

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jenkov.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.


jenkov.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.