4.9 sec in total
436 ms
4.3 sec
210 ms
Click here to check amazing 1 Er content for Czech Republic. Otherwise, check out these important facts you probably never knew about 1er.cz
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Visit 1er.czWe analyzed 1er.cz page load time and found that the first response time was 436 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
1er.cz performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value20.9 s
0/100
25%
Value10.4 s
8/100
10%
Value600 ms
50/100
30%
Value0.34
33/100
15%
Value15.3 s
7/100
10%
436 ms
1321 ms
358 ms
243 ms
303 ms
Our browser made a total of 116 requests to load all elements on the main page. We found that 72% of them (83 requests) were addressed to the original 1er.cz, 3% (4 requests) were made to Google-analytics.com and 3% (3 requests) were made to V2.zopim.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain 1er.cz.
Page size can be reduced by 283.1 kB (45%)
632.5 kB
349.5 kB
In fact, the total size of 1er.cz main page is 632.5 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. 50% of websites need less resources to load. Images take 295.0 kB which makes up the majority of the site volume.
Potential reduce by 42.7 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 7.6 kB, which is 14% 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 42.7 kB or 78% of the original size.
Potential reduce by 37.0 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. Obviously, 1 Er needs image optimization as it can save up to 37.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 203.4 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 203.4 kB or 72% of the original size.
Number of requests can be reduced by 54 (50%)
108
54
The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1 Er. 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 as a result speed up the page load time.
1er.cz
436 ms
www.1er.cz
1321 ms
css
358 ms
css
243 ms
flexslider
303 ms
jquery
668 ms
jqueryui
627 ms
selectbox
250 ms
cycle
251 ms
cookietester
307 ms
scripts
363 ms
503 ms
c30b4f1aaff2ac3d98af1620106a0138.js
29 ms
lightbox-close.png
245 ms
lightbox-loading.gif
391 ms
lightbox-prev.png
245 ms
lightbox-next.png
391 ms
logo-1er.png
556 ms
menu-basket.png
264 ms
menu-fb.png
402 ms
menu-up.png
402 ms
close.gif
402 ms
flag-cze.gif
427 ms
flag-eng.gif
433 ms
arrow-right-bw.png
517 ms
home.png
516 ms
PictureByID
951 ms
PictureByID
952 ms
PictureByID
1029 ms
PictureByID
954 ms
menu12.png
641 ms
menu10.png
687 ms
menu02.png
950 ms
menu03.png
952 ms
menu04.png
953 ms
menu05.png
954 ms
menu07.png
955 ms
ProductImage
955 ms
star.gif
996 ms
star-bw.gif
995 ms
counter-up-15.gif
1019 ms
counter-down-15.gif
1038 ms
ProductImage
1056 ms
ProductImage
1114 ms
ProductImage
1117 ms
ProductImage
1139 ms
PictureById
1147 ms
ns.html
87 ms
7927.js
20 ms
ProductImage
1158 ms
gtm.js
113 ms
futuratot-demi.woff
1138 ms
s
80 ms
t.js
48 ms
u
77 ms
analytics.js
22 ms
conversion_async.js
32 ms
retargeting.js
379 ms
fbds.js
32 ms
hotjar-44840.js
263 ms
30 ms
ec.js
8 ms
ecommerce.js
8 ms
32 ms
collect
12 ms
collect
63 ms
40 ms
26 ms
32 ms
ga-audiences
23 ms
ProductImage
995 ms
ProductImage
993 ms
degustation-plan.png
1003 ms
widget_v2.134.js
16 ms
__$$__stringtable_lang_cs.js
21 ms
PictureById
882 ms
PictureById
886 ms
PictureById
918 ms
facebook.png
955 ms
youtube.png
965 ms
modules-043c1e6abe660c48857202e419ff9d8a.js
26 ms
logo-sommeliers.png
973 ms
logo-business-logic-dots.png
958 ms
437 ms
gopay.gif
889 ms
retargeting
112 ms
card-mastercard.gif
928 ms
card-maestro.gif
925 ms
visit-data
331 ms
card-visa.gif
848 ms
card-visa-electron.gif
828 ms
avatar_simple_visitor.png
64 ms
bg-overlayMob.png
571 ms
email.gif
584 ms
arrow-right.png
615 ms
phone.gif
649 ms
arrow-down.png
655 ms
dot.gif
689 ms
bg-boks1.gif
689 ms
bg-enter1.gif
700 ms
aL63HcygAAVYuCCsAAA==
2 ms
basket.gif
732 ms
s
7 ms
icon-wine.png
736 ms
bg-boks2-30.gif
738 ms
bg-enter4-30.gif
745 ms
bg-bubble.png
738 ms
bg-bubbleRed.png
738 ms
bg-item2.gif
762 ms
icon-drink.png
744 ms
icon-star.png
751 ms
icon-collection.png
754 ms
bg-item.gif
740 ms
bg-enter3.gif
737 ms
default-news-thumb.png
678 ms
5 ms
1er.cz 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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
1er.cz 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
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
1er.cz 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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 1er.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that 1er.cz 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.
1er.cz
Open Graph data is detected on the main page of 1 Er. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: