1.7 sec in total
204 ms
1.4 sec
114 ms
Welcome to relatividad.org homepage info - get ready to check Re La Tividad best content for Spain right away, or after learning these important things about relatividad.org
Relatividad.org, web orientadas al estudio de la física, relatividad, agujeros negros, y albergue de otros proyectos web sobre matemáticas, bolsa, drivers y otros microblogs
Visit relatividad.orgWe analyzed Relatividad.org page load time and found that the first response time was 204 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
relatividad.org performance score
name
value
score
weighting
Value2.0 s
84/100
10%
Value3.3 s
71/100
25%
Value13.0 s
2/100
10%
Value9,820 ms
0/100
30%
Value0.264
46/100
15%
Value25.0 s
0/100
10%
204 ms
350 ms
66 ms
4 ms
193 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 17% of them (9 requests) were addressed to the original Relatividad.org, 9% (5 requests) were made to Globedia.com and 7% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (350 ms) belongs to the original domain Relatividad.org.
Page size can be reduced by 49.6 kB (31%)
161.0 kB
111.5 kB
In fact, the total size of Relatividad.org main page is 161.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Javascripts take 59.4 kB which makes up the majority of the site volume.
Potential reduce by 35.3 kB
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 35.3 kB or 75% of the original size.
Potential reduce by 3.7 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. Re La Tividad images are well optimized though.
Potential reduce by 10.1 kB
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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 10.1 kB or 17% of the original size.
Potential reduce by 482 B
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Relatividad.org needs all CSS files to be minified and compressed as it can save up to 482 B or 23% of the original size.
Number of requests can be reduced by 23 (48%)
48
25
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Re La Tividad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
relatividad.org
204 ms
www.relatividad.org
350 ms
estiloindice.css
66 ms
show_ads.js
4 ms
r.js
193 ms
ifr
27 ms
all.js
11 ms
zrt_lookup.html
33 ms
show_ads_impl.js
45 ms
poweredby_FFFFFF.gif
89 ms
widget.js
214 ms
widget.php
314 ms
ifr
88 ms
libronuevo.jpg
112 ms
email.JPG
87 ms
yellow.gif
89 ms
b-5-pt.gif
89 ms
b-0-uk.gif
89 ms
blue.gif
89 ms
128 ms
friendconnect.js
83 ms
widget.js
68 ms
ads
258 ms
osd.js
14 ms
f.php
315 ms
branding.css
31 ms
c.php
97 ms
r.php
194 ms
branding.css
17 ms
plusone.js
40 ms
loading.gif
109 ms
cb=gapi.loaded_0
4 ms
widget.css
108 ms
fondo_titu_widget.gif
102 ms
ads
185 ms
ga.js
6 ms
0.jpg
201 ms
__utm.gif
16 ms
quant.js
14 ms
jquery.min.js
36 ms
xd_arbiter.php
19 ms
xd_arbiter.php
30 ms
collect
64 ms
pixel;r=1633238859;a=p-3d2a8EZhG8096;fpan=1;fpa=P0-2060371379-1458189529984;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1458189529984;tzo=-180;ref=;url=http%3A%2F%2Fwww.relatividad.org%2F;ogl=url.http%3A%2F%2Fwww%252Erelatividad%252Eorg%2F%3E%0A%3Cmeta%20property%3D%2Cdescription.Relatividad%252Eorg%252C%20web%20orientadas%20al%20estudio%20de%20la%20f%C3%ADsica%252C%20relatividad%252C%20agujeros%20n%2Cimage.http%3A%2F%2Fwww%252Erelatividad%252Eorg%2Flibronuevo%252Ejpg
10 ms
like.php
107 ms
1798993084733563939
21 ms
s
6 ms
m_js_controller.js
22 ms
es.png
42 ms
icon.png
47 ms
t.php
104 ms
qeKvIRsJabD.js
19 ms
LVx-xkvaJ0b.png
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Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
3 ms
relatividad.org accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
relatividad.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
relatividad.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
ES
ES
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Relatividad.org 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 Relatividad.org 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.
relatividad.org
Open Graph description is not detected on the main page of Re La Tividad. 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: