2.8 sec in total
434 ms
2.2 sec
195 ms
Welcome to cert.br homepage info - get ready to check CERT best content for Brazil right away, or after learning these important things about cert.br
Página Principal do CERT.br
Visit cert.brWe analyzed Cert.br page load time and found that the first response time was 434 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
cert.br performance score
name
value
score
weighting
Value1.4 s
97/100
10%
Value2.8 s
82/100
25%
Value2.6 s
97/100
10%
Value0 ms
100/100
30%
Value0.055
98/100
15%
Value1.4 s
100/100
10%
434 ms
485 ms
130 ms
257 ms
272 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that all of those requests were addressed to Cert.br and no external sources were called. The less responsive or slowest element that took the longest time to load (728 ms) belongs to the original domain Cert.br.
Page size can be reduced by 31.9 kB (17%)
183.2 kB
151.3 kB
In fact, the total size of Cert.br main page is 183.2 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. 15% of websites need less resources to load. Images take 156.7 kB which makes up the majority of the site volume.
Potential reduce by 11.2 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. This page needs HTML code to be minified as it can gain 3.1 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.2 kB or 76% of the original size.
Potential reduce by 11.9 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. CERT images are well optimized though.
Potential reduce by 8.7 kB
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. Cert.br needs all CSS files to be minified and compressed as it can save up to 8.7 kB or 75% of the original size.
Number of requests can be reduced by 15 (43%)
35
20
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
cert.br
434 ms
www.cert.br
485 ms
certbr.css
130 ms
home.css
257 ms
logo-cert.png
272 ms
busca-btn.png
277 ms
btn-valid-xhtml.png
281 ms
btn-valid-css.png
282 ms
foto-csirts.jpg
424 ms
video-trat-incidentes.jpg
376 ms
targ-logo-small.png
381 ms
map-csirts-br-small.png
556 ms
banner-cartilha-03.png
561 ms
banner-antispam.png
421 ms
banner-internetsegura-w.png
503 ms
logo-ipv6.png
507 ms
logo-ntpbr.png
561 ms
logo-seipartner.png
563 ms
logo-first.png
629 ms
logo-apwg.png
632 ms
logo-cgi.png
694 ms
logo-nic.png
698 ms
background-left.png
448 ms
background-top.png
452 ms
top-corner-left.png
503 ms
background-secondary-top.png
507 ms
top-corner-right.png
584 ms
ico-menuleft.png
587 ms
ico-twitter-m.png
588 ms
ico-rss-m.png
592 ms
destaques-fundo.png
630 ms
background-box.png
634 ms
ico-destaques.png
724 ms
background-box-direita.png
727 ms
blank.png
728 ms
print.css
129 ms
handheld.css
129 ms
cert.br accessibility score
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
Links do not have a discernible name
cert.br best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
cert.br SEO score
PT
PT
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cert.br can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that Cert.br 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.
cert.br
Open Graph description is not detected on the main page of CERT. 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: