s4a.cat website information.
s4a.cat domain name is registered by .CAT top-level domain registry. See the other sites registred in .CAT domain zone.
No name server records were found.
and probably website s4a.cat 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 s4a.cat position was 44171 (in the world). The lowest Alexa rank position was 988552. Now website s4a.cat ranked in Alexa database as number 489388 (in the world).
Website s4a.cat Desktop speed measurement score (78/100) is better than the results of 65.98% of other sites shows that the page desktop performance can be improved.
s4a.cat Mobile usability score (86/100) is better than the results of 27.73% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of s4a.cat (66/100) is better than the results of 68.49% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Sep-21-2024 | 489,388 | -13,301 |
| Sep-20-2024 | 476,087 | 9,710 |
| Sep-19-2024 | 485,797 | -10,488 |
| Sep-18-2024 | 475,309 | 9,390 |
| Sep-17-2024 | 484,699 | -737 |
| Sep-16-2024 | 483,962 | 13,185 |
| Sep-15-2024 | 497,147 | 13,297 |
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s4a.cat 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.
s4a.cat 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.
s4a.cat server information
Servers Location
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s4a.cat desktop page speed rank
Last tested: 2017-05-28
s4a.cat Desktop Speed Test Quick Summary
priority - 13 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://s4a.cat/css/normalize.min.css (10 minutes)
http://s4a.cat/examples/button_led.png (10 minutes)
http://s4a.cat/examples/photoresistor_led.png (10 minutes)
http://s4a.cat/examples/rgb_led.png (10 minutes)
http://s4a.cat/examples/switch_led.png (10 minutes)
http://s4a.cat/img/3steps.png (10 minutes)
http://s4a.cat/img/balloon.png (10 minutes)
http://s4a.cat/img/bernat.png (10 minutes)
http://s4a.cat/img/blocks.png (10 minutes)
http://s4a.cat/img/citilab.png (10 minutes)
http://s4a.cat/img/donate-en.png (10 minutes)
http://s4a.cat/img/hi-s4a-qr.png (10 minutes)
http://s4a.cat/img/joan.png (10 minutes)
http://s4a.cat/img/jordi.png (10 minutes)
http://s4a.cat/img/jose.png (10 minutes)
http://s4a.cat/img/logo.png (10 minutes)
http://s4a.cat/img/marina.png (10 minutes)
http://s4a.cat/img/shot01.png (10 minutes)
http://s4a.cat/img/shot02.jpg (10 minutes)
http://s4a.cat/img/victor.png (10 minutes)
http://s4a.cat/js/main.js (10 minutes)
http://s4a.cat/js/vendor/jquery-1.10.1.min.js (10 minutes)
http://s4a.cat/js/vendor/modernizr-2.6.2-respond-1.1.0.min.js (10 minutes)
http://s4a.cat/js/vendor/portamento.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
http://www.google-analytics.com/ga.js (2 hours)
priority - 7 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 69.5KiB (26% reduction).
Compressing http://s4a.cat/img/3steps.png could save 11.9KiB (36% reduction).
Compressing http://s4a.cat/examples/switch_led.png could save 7.3KiB (24% reduction).
Compressing http://s4a.cat/examples/photoresistor_led.png could save 7.1KiB (23% reduction).
Compressing http://s4a.cat/examples/button_led.png could save 7KiB (23% reduction).
Compressing http://s4a.cat/examples/rgb_led.png could save 5.9KiB (19% reduction).
Compressing http://s4a.cat/img/blocks.png could save 4.4KiB (23% reduction).
Compressing http://s4a.cat/img/logo.png could save 2.9KiB (22% reduction).
Compressing http://s4a.cat/img/shot02.jpg could save 1.9KiB (13% reduction).
Compressing http://s4a.cat/img/donate-en.png could save 1.3KiB (27% reduction).
Compressing http://s4a.cat/img/citilab.png could save 834B (28% reduction).
priority - 6 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 2 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://s4a.cat/js/vendor/jquery-1.10.1.min.js
Optimize CSS Delivery of the following:
http://s4a.cat/css/main.css
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 1.8KiB (59% 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 617B (31% reduction).
s4a.cat Desktop Resources
| Total Resources | 43 |
| Number of Hosts | 9 |
| Static Resources | 31 |
| JavaScript Resources | 10 |
| CSS Resources | 3 |
s4a.cat Desktop Resource Breakdown
s4a.cat mobile page speed rank
Last tested: 2017-05-28
s4a.cat Mobile Speed Test Quick Summary
priority - 24 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 2 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://s4a.cat/js/vendor/jquery-1.10.1.min.js
Optimize CSS Delivery of the following:
http://s4a.cat/css/main.css
priority - 20 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://s4a.cat/css/normalize.min.css (10 minutes)
http://s4a.cat/examples/button_led.png (10 minutes)
http://s4a.cat/examples/photoresistor_led.png (10 minutes)
http://s4a.cat/examples/rgb_led.png (10 minutes)
http://s4a.cat/examples/switch_led.png (10 minutes)
http://s4a.cat/img/3steps.png (10 minutes)
http://s4a.cat/img/balloon.png (10 minutes)
http://s4a.cat/img/bernat.png (10 minutes)
http://s4a.cat/img/blocks.png (10 minutes)
http://s4a.cat/img/citilab.png (10 minutes)
http://s4a.cat/img/donate-en.png (10 minutes)
http://s4a.cat/img/hi-s4a-qr.png (10 minutes)
http://s4a.cat/img/joan.png (10 minutes)
http://s4a.cat/img/jordi.png (10 minutes)
http://s4a.cat/img/jose.png (10 minutes)
http://s4a.cat/img/logo.png (10 minutes)
http://s4a.cat/img/marina.png (10 minutes)
http://s4a.cat/img/shot01.png (10 minutes)
http://s4a.cat/img/shot02.jpg (10 minutes)
http://s4a.cat/img/victor.png (10 minutes)
http://s4a.cat/js/main.js (10 minutes)
http://s4a.cat/js/vendor/jquery-1.10.1.min.js (10 minutes)
http://s4a.cat/js/vendor/modernizr-2.6.2-respond-1.1.0.min.js (10 minutes)
http://s4a.cat/js/vendor/portamento.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
http://www.google-analytics.com/ga.js (2 hours)
priority - 7 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 69.5KiB (26% reduction).
Compressing http://s4a.cat/img/3steps.png could save 11.9KiB (36% reduction).
Compressing http://s4a.cat/examples/switch_led.png could save 7.3KiB (24% reduction).
Compressing http://s4a.cat/examples/photoresistor_led.png could save 7.1KiB (23% reduction).
Compressing http://s4a.cat/examples/button_led.png could save 7KiB (23% reduction).
Compressing http://s4a.cat/examples/rgb_led.png could save 5.9KiB (19% reduction).
Compressing http://s4a.cat/img/blocks.png could save 4.4KiB (23% reduction).
Compressing http://s4a.cat/img/logo.png could save 2.9KiB (22% reduction).
Compressing http://s4a.cat/img/shot02.jpg could save 1.9KiB (13% reduction).
Compressing http://s4a.cat/img/donate-en.png could save 1.3KiB (27% reduction).
Compressing http://s4a.cat/img/citilab.png could save 834B (28% reduction).
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 1.8KiB (59% 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 617B (31% reduction).
s4a.cat Mobile Resources
| Total Resources | 44 |
| Number of Hosts | 10 |
| Static Resources | 32 |
| JavaScript Resources | 10 |
| CSS Resources | 3 |
s4a.cat Mobile Resource Breakdown
s4a.cat mobile page usability
Last tested: 2017-05-28
s4a.cat Mobile Usability Test Quick Summary
priority - 14 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 603 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
<img src="img/shot01.png"> falls outside the viewport.The element
<img src="img/blocks.png"> falls outside the viewport.The element
<img src="examples/button_led.png"> falls outside the viewport.The element
<img src="examples/rgb_led.png"> falls outside the viewport.The element
<img src="examples/switch_led.png"> falls outside the viewport.The element
<img src="examples/photoresistor_led.png"> falls outside the viewport.The element
<iframe src="http://www.you…layer_embedded"> falls outside the viewport.The element
<iframe src="http://www.you…yer_detailpage"> falls outside the viewport.The element
<img src="img/3steps.png" class="steps"> 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.
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s4a.cat 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.
s4a.cat 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.