3.3 sec in total
614 ms
2.5 sec
209 ms
Welcome to serina.es homepage info - get ready to check SERINA best content for India right away, or after learning these important things about serina.es
SERINA SERVICIOS DE INGENIERIA Y ARQUITECTURA S.L. / SERINA es una empresa de ingeniería de sistemas especializada en el diseño, implantación , operación y mantenimiento de sistemas de tecnología de l...
Visit serina.esWe analyzed Serina.es page load time and found that the first response time was 614 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
serina.es performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value4.7 s
32/100
25%
Value4.4 s
75/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value4.4 s
84/100
10%
614 ms
463 ms
400 ms
41 ms
255 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 63% of them (30 requests) were addressed to the original Serina.es, 23% (11 requests) were made to Platform.twitter.com and 6% (3 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Serina.es.
Page size can be reduced by 252.7 kB (7%)
3.8 MB
3.5 MB
In fact, the total size of Serina.es main page is 3.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.
Potential reduce by 702 B
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 702 B or 49% of the original size.
Potential reduce by 252.0 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. SERINA images are well optimized though.
Potential reduce by 0 B
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 21 (46%)
46
25
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SERINA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
serina.es
614 ms
index.htm
463 ms
portada.cgi
400 ms
bootstrap.min.css
41 ms
fondo.jpg
255 ms
jquery.min.js
23 ms
bootstrap.min.js
12 ms
s1.png
191 ms
s2.png
263 ms
s3.png
263 ms
arriba.jpg
267 ms
crs1.png
795 ms
crs2.png
799 ms
crs3.png
820 ms
crs4.png
862 ms
crs5.png
783 ms
crs6.png
820 ms
crs7.jpg
890 ms
crs8.jpg
910 ms
25SERINA2.jpg
894 ms
logotipoEnerTool.jpg
916 ms
separacion2.jpg
910 ms
bannercorenet.jpg
944 ms
img_portada_noticia.gif
980 ms
proyectos_menu2.jpg
985 ms
corenet_ico.jpg
1002 ms
vermas.gif
999 ms
logo_todosbiomasa.jpg
1007 ms
widgets.js
95 ms
s4.png
966 ms
glyphicons-halflings-regular.woff
10 ms
s5.png
985 ms
s6.png
993 ms
s7.png
1004 ms
s8.png
1010 ms
widget_iframe.c4bdc17e77719578b594d5555bee90db.html
65 ms
settings
85 ms
horizon_timeline.4836f7a62ef55f5880337b3b6602854f.js
23 ms
embeds
33 ms
redcorenet
511 ms
polyfills-57d3feabe8bfd4ee389c.js
22 ms
runtime-c5040a30986fc1d092cc.js
43 ms
modules.c7def0268c66f6a548ed.js
85 ms
main-e9db78f5e7b3d83edd5e.js
90 ms
_app-6b59be76f6e3292c4dd6.js
94 ms
%5BscreenName%5D-568c81a96d7917ec4ebb.js
98 ms
_buildManifest.js
100 ms
_ssgManifest.js
100 ms
serina.es accessibility score
serina.es best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
serina.es SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
ES
ES
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Serina.es can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Serina.es main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
serina.es
Open Graph description is not detected on the main page of SERINA. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: