4.9 sec in total
527 ms
3.3 sec
1.1 sec
Welcome to zeiss-soczewki.pl homepage info - get ready to check Zeiss Soczewki best content right away, or after learning these important things about zeiss-soczewki.pl
Najlepsze ceny na tanie soczewki kontaktowe jednodniowe i okulary przeciwsłoneczne oraz korekcyjne! Znane marki, m.in. Johnson, wysoka jakość, zróżnicowany wybór – wybierz nasz sklep online.
Visit zeiss-soczewki.plWe analyzed Zeiss-soczewki.pl page load time and found that the first response time was 527 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
zeiss-soczewki.pl performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value6.2 s
11/100
25%
Value4.1 s
79/100
10%
Value370 ms
71/100
30%
Value0.032
100/100
15%
Value4.5 s
82/100
10%
527 ms
121 ms
687 ms
27 ms
36 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 89% of them (59 requests) were addressed to the original Zeiss-soczewki.pl, 5% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Zeiss-soczewki.pl.
Page size can be reduced by 577.0 kB (34%)
1.7 MB
1.1 MB
In fact, the total size of Zeiss-soczewki.pl main page is 1.7 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 61.4 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 61.4 kB or 81% of the original size.
Potential reduce by 196.0 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, Zeiss Soczewki needs image optimization as it can save up to 196.0 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 245.0 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 245.0 kB or 66% of the original size.
Potential reduce by 74.7 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. Zeiss-soczewki.pl needs all CSS files to be minified and compressed as it can save up to 74.7 kB or 82% of the original size.
Number of requests can be reduced by 6 (10%)
59
53
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zeiss Soczewki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
zeiss-soczewki.pl
527 ms
6ab2d066d1cd156797f4cb943b19437d.css
121 ms
bee00d36ec3587d7fdbd9919eee794d4.js
687 ms
css
27 ms
css
36 ms
jquery.cookie.js
335 ms
large_large_zeiss-air-duze.jpg
463 ms
bg.png
214 ms
zeiss-soczewki-logo.png
215 ms
mozart-optyk-sklep-internetowy.png
116 ms
indicator.gif
342 ms
icon_home.gif
343 ms
basket_selected.png
344 ms
najtansze%20soczewki%20ACUVUE%20w%20zestawie.png
666 ms
promocja%20soczewek%20%20Acuvue%20Oasys%20.png
558 ms
s.gif
332 ms
faq.png
399 ms
pytanie.png
455 ms
custom_1_soczewki-miesieczne-compatic.jpg
562 ms
custom_1_zeiss-air-duze.jpg
555 ms
custom_1_promocja-soczewek-miesiecznych-zeiss.jpg
470 ms
custom_1_large_zeiss_kwartalne.jpg
673 ms
jednodniowe-zestaw-small.png
567 ms
kup-teraz-gwarancja.png
668 ms
miesieczne-air-zestaw-small.png
669 ms
kwartalne-zestaw-small.png
672 ms
soczewki-miesieczne-compatic-zestaw-small.png
679 ms
custom_1_Zeiss-compatic-plyn360ml.jpg
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custom_1_soczewki-jenodnowe-super-cena.jpg
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custom_1_zeiss_all_in_one.jpg
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custom_1_mozart-optyk-rayban-2132-901-58.png
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custom_1_mozart-optyk-rayban-2132-622.png
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custom_1_soczewki-jednodniowe-zeiss-duze.jpg
1002 ms
logo_foot.png
898 ms
large_C-fakepath-prawy-no-end-polar-lens-mod-156-col-071.JPG
455 ms
large_soczewki-jednodniowe-5szt.jpg
456 ms
bg_container_bottom.gif
906 ms
icon.png
983 ms
belka-bg.png
974 ms
soczewki-kontaktowe-link.png
975 ms
okulary-korekcyjne-link.png
1088 ms
okulary-przeciwsloneczne-link.png
991 ms
4r5rSejI5vKJC_3VjN5dtw.woff
104 ms
-g5pDUSRgvxvOl5u-a_WHw.woff
105 ms
HqHm7BVC_nzzTui2lzQTDT8E0i7KZn-EPnyo3HZu7kw.woff
105 ms
arrow_category_open.png
1004 ms
arrow_category_leaf.png
907 ms
kup-teraz.png
905 ms
gwarancja-ceny-bg.png
1238 ms
nazwa-zestawu.png
809 ms
sztuk.png
890 ms
dc.js
56 ms
cena-opakowania.png
835 ms
white.png
834 ms
__utm.gif
24 ms
large_large_zeiss-air-duze.jpg
895 ms
large_C-fakepath-prawy-no-end-polar-lens-mod-156-col-071.JPG
1024 ms
large_soczewki-jednodniowe-5szt.jpg
1111 ms
white-bg.png
793 ms
whiter.png
789 ms
l_arrow.gif
894 ms
r_arrow.gif
799 ms
close_cookies.png
794 ms
zeiss-soczewki.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
zeiss-soczewki.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
zeiss-soczewki.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
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
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zeiss-soczewki.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 Zeiss-soczewki.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.
zeiss-soczewki.pl
Open Graph description is not detected on the main page of Zeiss Soczewki. 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: