3.9 sec in total
395 ms
3.1 sec
485 ms
Visit bertrand.pl now to see the best up-to-date Bertrand content for Poland and also check out these interesting facts you probably never knew about bertrand.pl
Bertrand - producent najwyższej jakości okien plastikowych PVC, z drewna lub aluminium. Produkcja drzwi, rolet i bram garażowych Trójmiasto, Warszawa
Visit bertrand.plWe analyzed Bertrand.pl page load time and found that the first response time was 395 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
bertrand.pl performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value17.8 s
0/100
25%
Value9.2 s
13/100
10%
Value1,730 ms
10/100
30%
Value0.442
21/100
15%
Value15.5 s
7/100
10%
395 ms
820 ms
237 ms
592 ms
711 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 97% of them (70 requests) were addressed to the original Bertrand.pl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (950 ms) belongs to the original domain Bertrand.pl.
Page size can be reduced by 641.4 kB (33%)
2.0 MB
1.3 MB
In fact, the total size of Bertrand.pl main page is 2.0 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 52.0 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. This page needs HTML code to be minified as it can gain 12.2 kB, which is 19% 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 52.0 kB or 83% of the original size.
Potential reduce by 127.5 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. Bertrand images are well optimized though.
Potential reduce by 211.9 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 211.9 kB or 68% of the original size.
Potential reduce by 250.0 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. Bertrand.pl needs all CSS files to be minified and compressed as it can save up to 250.0 kB or 84% of the original size.
Number of requests can be reduced by 33 (47%)
70
37
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bertrand. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
bertrand.pl
395 ms
820 ms
css-45c06.css
237 ms
css-8be2b.css
592 ms
css-1a3fb.css
711 ms
mootools-core.js
608 ms
core.js
240 ms
caption.js
348 ms
cloud-zoom.1.0.2.min.js
353 ms
jquery.elastislide.js
358 ms
jquery.min.js
584 ms
jquery-noconflict.js
471 ms
jquery.colorbox-min.js
474 ms
script.min.js
604 ms
bootstrap.js
746 ms
off-canvas.js
759 ms
script.js
759 ms
menu.js
757 ms
page.js
757 ms
tz_aragon.js
826 ms
jquery.parallax-1.1.3.js
863 ms
xpertcaptions.js
875 ms
stylesheet.css
874 ms
system.css
291 ms
flagbg.jpg
122 ms
pl.gif
120 ms
de.gif
121 ms
ru.gif
123 ms
gb.gif
123 ms
fr.gif
123 ms
it.gif
238 ms
logob.jpg
238 ms
bg_heading.png
239 ms
progress.gif
243 ms
bg-black.png
240 ms
4e1584d33087a60d85f002881fb9f9a5_resized.jpg
241 ms
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589 ms
f84ac7dcfe65b1dd064428999ae378fb_resized.jpg
357 ms
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356 ms
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357 ms
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359 ms
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359 ms
f414ed210cc5b45e2baf33153cc4b008_resized.jpg
477 ms
realizacje.jpg
591 ms
realizacje2.jpg
590 ms
realizacje4.jpg
475 ms
realizacje3.jpg
590 ms
marker-icon.png
593 ms
mail-icon.png
594 ms
phone-icon.png
704 ms
fax-icon.png
708 ms
flag_de.jpg
709 ms
flag_en.jpg
710 ms
flag_ru.jpg
712 ms
flag_fr.jpg
714 ms
flag_it.jpg
821 ms
centrala.jpg
825 ms
gdansk.jpg
824 ms
warszawa.jpg
824 ms
bb_gdynia.jpg
811 ms
ga.js
31 ms
__utm.gif
19 ms
bialystok.jpg
720 ms
szwecja.jpg
827 ms
ue.jpg
832 ms
bg1b.jpg
950 ms
bg_heading2.png
832 ms
siedziba2.jpg
833 ms
facebook-white.png
719 ms
twitter-white.png
827 ms
google-white.png
832 ms
youtube-white.png
857 ms
bertrand.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
bertrand.pl 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
bertrand.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bertrand.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Bertrand.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.
bertrand.pl
Open Graph description is not detected on the main page of Bertrand. 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: