slf4j.org Website Information
Daily Unique Visits: 35,231
Daily Page Views: 211,386
Income Per Day: $423
Estimated Value: $304,560
This website is located in Switzerland and is using following IP address 83.166.144.67. See the complete list of popular websites hosted in Switzerland.
slf4j.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.
Website slf4j.org is using the following name servers:
- ge.slf4j.org
- yvo.slf4j.org
and is probably hosted by Akenes SA. See the full list of other websites hosted by Akenes SA.
The highest website slf4j.org position in Alexa rank database was 14298 and the lowest rank position was 998622. Current position of slf4j.org in Alexa rank database is 40709.
Desktop speed score of slf4j.org (86/100) is better than the results of 82.23% of other sites and shows that the page is performing great on desktop computers.
Mobile usability score of slf4j.org (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 slf4j.org (78/100) is better than the results of 86.92% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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slf4j.org 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.
slf4j.org 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.
Registry Domain ID: D106083024-LROR
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2020-03-09T06:55:30Z
Creation Date: 2005-04-14T11:37:11Z
Registry Expiry Date: 2029-04-14T11:37:11Z
Registrar Registration Expiration Date:
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant State/Province: Capital Region
Registrant Country: IS
Name Server: YVO.QOS.CH
Name Server: GE.QOS.CH
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-05-04T23:10:47Z
slf4j.org server information
Servers Location
slf4j.org desktop page speed rank
Last tested: 2016-12-28
slf4j.org Desktop Speed Test Quick Summary
priority - 4Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://slf4j.org/templates/left.js
http://slf4j.org/templates/right.js
http://slf4j.org/templates/footer.js
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:
http://slf4j.org/images/follow_us.png (expiration not specified)
http://slf4j.org/images/logos/slf4j-logo.jpg (expiration not specified)
http://slf4j.org/templates/footer.js (expiration not specified)
http://slf4j.org/templates/header.js (expiration not specified)
http://slf4j.org/templates/left.js (expiration not specified)
http://slf4j.org/templates/right.js (expiration not specified)
http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
priority - 4Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 37.7KiB (78% reduction).
Compressing http://slf4j.org/images/follow_us.png could save 14.3KiB (89% reduction).
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.
slf4j.org Desktop Resource Breakdown
| Total Resources | 17 |
| Number of Hosts | 5 |
| Static Resources | 12 |
| JavaScript Resources | 9 |
| CSS Resources | 1 |
slf4j.org mobile page speed rank
Last tested: 2016-12-28
slf4j.org Mobile Speed Test Quick Summary
priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://slf4j.org/templates/left.js
http://slf4j.org/templates/right.js
Optimize CSS Delivery of the following:
priority - 7Leverage 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://slf4j.org/images/follow_us.png (expiration not specified)
http://slf4j.org/images/logos/slf4j-logo.jpg (expiration not specified)
http://slf4j.org/templates/footer.js (expiration not specified)
http://slf4j.org/templates/header.js (expiration not specified)
http://slf4j.org/templates/left.js (expiration not specified)
http://slf4j.org/templates/right.js (expiration not specified)
http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
priority - 4Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 37.7KiB (78% reduction).
Compressing http://slf4j.org/images/follow_us.png could save 14.3KiB (89% reduction).
slf4j.org Mobile Resource Breakdown
| Total Resources | 32 |
| Number of Hosts | 9 |
| Static Resources | 20 |
| JavaScript Resources | 12 |
| CSS Resources | 2 |
slf4j.org mobile page usability
Last tested: 2016-12-28
slf4j.org Mobile Usability Test Quick Summary
priority - 34Use 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.
Wrapped implementations and 4 others render only 4 pixels tall (10 CSS pixels).Source Repository and 16 others render only 4 pixels tall (10 CSS pixels).KONECT GDS renders only 6 pixels tall (16 CSS pixels).konectgds.com renders only 5 pixels tall (13 CSS pixels).Cloud datalogg…based display. renders only 6 pixels tall (15 CSS pixels).; renders only 4 pixels tall (10 CSS pixels).The Simple Log…g framework at and 10 others render only 5 pixels tall (13 CSS pixels).slf4j-api.jar and 1 others render only 5 pixels tall (13 CSS pixels).SpringSource dm Server™ and 68 others render only 5 pixels tall (13 CSS pixels).Projects depending on SLF4J renders only 7 pixels tall (18 CSS pixels).We are activel…. See also the and 2 others render only 4 pixels tall (11 CSS pixels).instructions for contributors and 1 others render only 4 pixels tall (11 CSS pixels).priority - 22Size 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.
<a href="index.html">Introduction</a> and 16 others are close to other tap targets.<a href="http://activemq.apache.org/">Apache ActiveMQ</a> and 65 others are close to other tap targets.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.
slf4j.org HTML validation
Errors
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htm..."
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
"...head> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" /> <..."
Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
"...head> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" /> <..."
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slf4j.org 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.
slf4j.org 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.