8.3 sec in total
355 ms
7.7 sec
254 ms
Click here to check amazing Certum content for Iran. Otherwise, check out these important facts you probably never knew about certum.pl
Podpis elektroniczny do: podpisywania umów, PDF, JPK, ZUS. Certyfikaty SSL, szyfrowane poczty email, certyfikaty S/MIME, Rozwiązania z zastosowaniem e-podpisu.
Visit certum.plWe analyzed Certum.pl page load time and found that the first response time was 355 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
certum.pl performance score
name
value
score
weighting
Value3.1 s
48/100
10%
Value10.5 s
0/100
25%
Value9.0 s
14/100
10%
Value610 ms
49/100
30%
Value0.006
100/100
15%
Value12.5 s
14/100
10%
355 ms
784 ms
239 ms
239 ms
476 ms
Our browser made a total of 89 requests to load all elements on the main page. We found that 85% of them (76 requests) were addressed to the original Certum.pl, 3% (3 requests) were made to Pro.hit.gemius.pl and 2% (2 requests) were made to Seal.certum.pl. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Certum.pl.
Page size can be reduced by 595.7 kB (45%)
1.3 MB
737.2 kB
In fact, the total size of Certum.pl main page is 1.3 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. 25% of websites need less resources to load. Images take 672.5 kB which makes up the majority of the site volume.
Potential reduce by 29.0 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 29.0 kB or 77% of the original size.
Potential reduce by 91.3 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. Obviously, Certum needs image optimization as it can save up to 91.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 387.2 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 387.2 kB or 75% of the original size.
Potential reduce by 88.2 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. Certum.pl needs all CSS files to be minified and compressed as it can save up to 88.2 kB or 84% of the original size.
Number of requests can be reduced by 25 (30%)
84
59
The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
certum.pl
355 ms
main.xml
784 ms
reset.css
239 ms
jquery.treeview.css
239 ms
prettyPhoto.css
476 ms
lightbox.css
240 ms
screen2.css
858 ms
jquery.js
1953 ms
commons.js
875 ms
loadcss.js
876 ms
swfobject.js
886 ms
jquery.cycle.js
1358 ms
jquery.fadeSliderToggle.js
1090 ms
jquery.treeview.js
1109 ms
jquery.prettyPhoto.js
1340 ms
jquery.fancybox.pack.js
1333 ms
html5shiv.js
1336 ms
selectivizr-min.js
1340 ms
swipe.js
1890 ms
blackandwhite.js
1891 ms
global.js
1888 ms
ssltools.js
1887 ms
tag.js
1076 ms
conversion.js
18 ms
common.js
1563 ms
cookie.js
1785 ms
gemius.js
614 ms
365 ms
logo.png
132 ms
bg-red-dotted.png
130 ms
icon-support.png
242 ms
icon-e-podpis.png
240 ms
bg-main-menu.jpg
243 ms
cart.png
377 ms
menu-separator.png
380 ms
icon-search.png
378 ms
button-grey-bg.jpg
474 ms
promocje.jpg
707 ms
slider-arrow-left.png
473 ms
certum_liderem.jpg
1157 ms
button-dotted-green.jpg
615 ms
cert_pls_szkolenie.jpg
1126 ms
Jak_aktywowac_e_podpis.png
1414 ms
1_pl.jpg
1566 ms
bg-red-dotted-shadow.jpg
893 ms
triangle-dotted-red.png
934 ms
slider2-img1.jpg
1457 ms
arrow-right-red.png
1175 ms
ssl1.png
1602 ms
ssl2.png
1610 ms
ssl3.jpg
1780 ms
id1.png
1652 ms
id2.png
1905 ms
id3.png
2013 ms
slider2-tab1-bg.png
1831 ms
slider-arrow-right2.png
1835 ms
slider2-tab2-bg.png
1878 ms
slider2-tab3-bg.png
2005 ms
bg-box-dollar.png
2064 ms
bg-box-map.png
2071 ms
bg-box-new.png
2121 ms
video-big1.png
2406 ms
image
380 ms
web1_2.png
2209 ms
35 ms
77 ms
titillium-light-webfont.woff
2590 ms
ga.js
37 ms
fpdata.js
253 ms
titillium-bold-webfont.woff
2585 ms
lsget.html
353 ms
titillium-semibold-webfont.woff
2607 ms
__utm.gif
12 ms
titillium-regular-webfont.woff
2582 ms
web2_1.png
2254 ms
certificate-adobe.jpg
2421 ms
certificate-iso9001.jpg
2362 ms
slider-arrow-right.png
2526 ms
icon-support-red.png
2573 ms
icon-helpline-red.png
2503 ms
icon-email-red.png
2500 ms
icon-flag-gb.png
2385 ms
redot.js
125 ms
icon-facebook.png
2352 ms
icon-twitter.png
3000 ms
icon-in.png
2954 ms
arrowOpened.png
2770 ms
228 ms
close-button.png
769 ms
certum.pl 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
certum.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Uses deprecated APIs
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
certum.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
PL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certum.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Certum.pl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
certum.pl
Open Graph description is not detected on the main page of Certum. 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: