10.3 sec in total
513 ms
9.6 sec
198 ms
Click here to check amazing Optik content for Belarus. Otherwise, check out these important facts you probably never knew about optik.by
Купить контактные линзы и средства по уходу за ними в интернет-магазине Optik.by ✅ Бесплатная доставка контактных линз по Минску день в день ✅ Скидка постоянным клиентам 3%
Visit optik.byWe analyzed Optik.by page load time and found that the first response time was 513 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
optik.by performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value9.9 s
0/100
25%
Value15.8 s
0/100
10%
Value5,250 ms
0/100
30%
Value0.035
100/100
15%
Value29.9 s
0/100
10%
513 ms
1460 ms
170 ms
839 ms
503 ms
Our browser made a total of 177 requests to load all elements on the main page. We found that 40% of them (71 requests) were addressed to the original Optik.by, 11% (19 requests) were made to Vk.com and 11% (19 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Vk.com.
Page size can be reduced by 1.5 MB (56%)
2.6 MB
1.1 MB
In fact, the total size of Optik.by main page is 2.6 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. 65% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 286.2 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. 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 286.2 kB or 82% of the original size.
Potential reduce by 39.4 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. Optik images are well optimized though.
Potential reduce by 849.3 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 849.3 kB or 74% of the original size.
Potential reduce by 276.2 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. Optik.by needs all CSS files to be minified and compressed as it can save up to 276.2 kB or 85% of the original size.
Number of requests can be reduced by 63 (40%)
159
96
The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
optik.by
513 ms
www.optik.by
1460 ms
kernel_main.css
170 ms
kernel_main.js
839 ms
main.css
503 ms
jquery.fancybox-1.3.4.css
336 ms
jquery-1.8.3.min.js
507 ms
jquery.form.js
18 ms
modernizr-2.6.2.min.js
340 ms
seo.js
340 ms
openapi.js
3665 ms
228 ms
jquery.carouFredSel-6.2.0-packed.js
664 ms
jquery-ui-1.10.1.custom.min.js
670 ms
jquery.fancybox-1.3.4.pack.js
504 ms
jquery.mousewheel-3.0.4.pack.js
664 ms
main.js
669 ms
jquery.form.js
22 ms
542 ms
ba.js
171 ms
spread.php
175 ms
analytics.js
5 ms
bg-top.png
169 ms
collect
2 ms
collect
67 ms
logo.png
179 ms
velcom.png
170 ms
mts.png
168 ms
life.png
175 ms
phone.jpg
176 ms
skype.png
176 ms
cart.png
331 ms
enter-link.png
335 ms
actions.png
336 ms
actions-bg.png
344 ms
banner_oval.png
342 ms
a22d46ecf8700708fca125b9e56db2a7.png
547 ms
7e5cec59f1861c7475324f9d9eea69d5.jpg
547 ms
754b65bfbaa04196be72838d9cfb2222.jpg
667 ms
41eba65fffc67a44195d7f674e8a5693.jpg
676 ms
fbc35c8f48349c968fbd47bd441dc6a8.jpg
677 ms
advantage-1.png
548 ms
advantage-2.png
1082 ms
advantage-3.png
683 ms
advantage-4.png
684 ms
advantage-5.png
843 ms
catalogue-nav.png
851 ms
index-sort-current.png
848 ms
sort-icons.png
853 ms
5269c73ffeea2193a58d948b6a5e1e57.jpeg
860 ms
discount-popup.png
1008 ms
catalogue-buy-link.png
1017 ms
buy-link-icon.png
1018 ms
314563ffa017b07117a8a99fc5a7500a.jpeg
1018 ms
40aa0cd546ebb67607636d8a0a5b4e08.jpg
1028 ms
bc0c7fa84ac2726a158fbb24d3c38782.jpeg
1209 ms
07bd3f6f76a9f9603dacdddb4df8cd3d.jpeg
1209 ms
247934560ed3139919bfc3540b19f0e1.jpeg
1210 ms
6748e3bb1c39afe5de07bee372b5e1ae.jpg
1210 ms
a70e02adfa9be5c3c835021e1257a943.jpeg
1210 ms
marks.png
1278 ms
upload.gif
121 ms
widget_community.php
298 ms
114 ms
widget_community.php
2262 ms
watch.js
169 ms
PWBRquhptp
166 ms
bx_stat
215 ms
rtrg
645 ms
291 ms
410fb75b02b032ce69556fc8c6477a42.png
1195 ms
0c7c43579da077078945ce861b7544e5.png
1361 ms
9c5df93a654a4a1c9daf913294f8d247.jpg
1224 ms
555e5855c4424266d0e2cc4b7c4e62ea.jpg
1217 ms
9a56c7862499e6f41a5f63bbd5e3bc25.jpg
1221 ms
astronim.png
1246 ms
widget_ru_RU.js
198 ms
watch.js
845 ms
loader_nav19187_3.js
621 ms
lite.css
760 ms
lite.js
1021 ms
lang3_0.js
1188 ms
widget_community.css
1325 ms
xdm.js
1470 ms
al_community.js
1591 ms
logo_webcom.png
1191 ms
filter-title.png
1198 ms
timer.png
1195 ms
search-button.png
1198 ms
footer.png
1235 ms
combine.js
116 ms
popup-bg.png
1140 ms
cart-popup.png
1147 ms
combine.js
220 ms
close.png
1153 ms
combine.js
505 ms
order-repeat.png
1039 ms
bg-panel-vk-close.png
1035 ms
bg-panel-vk.png
1068 ms
filter-marker.png
1170 ms
actions-bullet.png
1177 ms
combine.js
462 ms
advert.gif
137 ms
util_cursor_storage_grab.cur
137 ms
util_cursor_storage_grabbing.cur
140 ms
util_cursor_storage_help.cur
202 ms
util_cursor_storage_zoom_in.cur
226 ms
1
112 ms
467 ms
524 ms
tiles
42 ms
tiles
41 ms
tiles
42 ms
tiles
42 ms
combine.js
120 ms
153 ms
util_cursor_storage_grab.cur
166 ms
util_cursor_storage_grabbing.cur
234 ms
util_cursor_storage_help.cur
189 ms
util_cursor_storage_zoom_in.cur
260 ms
combine.js
535 ms
CsG99EqKdgE.jpg
376 ms
H2_UooGB7kM.jpg
368 ms
znfncxHQayk.jpg
367 ms
40fDSdmdACM.jpg
385 ms
CIkJDB966ms.jpg
257 ms
e_374ecf4a.jpg
386 ms
9Mb1Z4htBb0.jpg
384 ms
JrQOScfv7jg.jpg
356 ms
HGsNykOxDIw.jpg
385 ms
Uy5M3lrupF8.jpg
361 ms
e_4e84cb30.jpg
379 ms
YTGWbiKjBkY.jpg
383 ms
BLSBuFvLYRM.jpg
380 ms
camera_50.png
146 ms
w_logo.png
251 ms
page.css
132 ms
page.js
481 ms
D6MaE9TAHPs.jpg
591 ms
wVtmEM7kifU.jpg
386 ms
c3bZuWAzdhg.jpg
596 ms
k9MB-mN5MEI.jpg
248 ms
TZzlwXQCaCQ.jpg
375 ms
Gzuq8JC06Oo.jpg
486 ms
r0OgIaewUEI.jpg
372 ms
1b0UE00hnds.jpg
608 ms
TjEGW-agRMQ.jpg
609 ms
nZqJe-oAVcI.jpg
614 ms
AbV7Gwup-Zg.jpg
613 ms
6uvpbUHZWv4.jpg
616 ms
giKJg3Bow2s.jpg
621 ms
_wiBFFfTrbs.jpg
845 ms
UkpBZXZR0Yg.jpg
724 ms
EbT6-rSPLKE.jpg
725 ms
gNr9MI8rTt0.jpg
726 ms
dNp_SdvTHxE.jpg
727 ms
AJqCCCiG4TE.jpg
731 ms
z_FEviBqBpg.jpg
991 ms
ep8-zyErxTg.jpg
608 ms
OlNfmRVOO7s.jpg
616 ms
eHmagDSlMVI.jpg
620 ms
s9z2Os5O1Gs.jpg
622 ms
youKAWNeQOo.jpg
625 ms
5RsVU50Ires.jpg
627 ms
eJqRKo2ezbE.jpg
846 ms
sWtXuT_Gea4.jpg
854 ms
6Ig_lyszraQ.jpg
854 ms
blank.gif
129 ms
j_6CFiIkyaE.jpg
628 ms
IQ-ec3CQias.jpg
240 ms
rb7PWI4n1EM.jpg
244 ms
V1VG2K9DqUo.jpg
246 ms
AvOsYWugqcA.jpg
246 ms
I8zylsebtK8.jpg
1100 ms
m_e4fb0b563d.jpg
371 ms
im_emoji.png
120 ms
mono_iconset.png
368 ms
optik.by 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
optik.by 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
optik.by SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optik.by can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Optik.by 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.
optik.by
Open Graph description is not detected on the main page of Optik. 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: