7.3 sec in total
755 ms
6.3 sec
279 ms
Welcome to optica100.ru homepage info - get ready to check Optica 100 best content for Russia right away, or after learning these important things about optica100.ru
stethoscopes.ru
Visit optica100.ruWe analyzed Optica100.ru page load time and found that the first response time was 755 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
optica100.ru performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value9.9 s
0/100
25%
Value19.2 s
0/100
10%
Value2,020 ms
7/100
30%
Value0.037
100/100
15%
Value15.1 s
7/100
10%
755 ms
2955 ms
667 ms
1022 ms
651 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Optica100.ru, 66% (25 requests) were made to Static.insales-cdn.com and 5% (2 requests) were made to Stethoscopes.ru. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Stethoscopes.ru.
Page size can be reduced by 574.2 kB (30%)
1.9 MB
1.4 MB
In fact, the total size of Optica100.ru main page is 1.9 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 372.3 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 62.2 kB, which is 15% 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 372.3 kB or 89% of the original size.
Potential reduce by 159.8 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, Optica 100 needs image optimization as it can save up to 159.8 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 39.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 2.9 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. Optica100.ru needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 18% of the original size.
Number of requests can be reduced by 22 (65%)
34
12
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optica 100. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
optica100.ru
755 ms
stethoscopes.ru
2955 ms
lodash.min.js
667 ms
common.v2.24.77.js
1022 ms
my-layout.js
651 ms
core-css.css
652 ms
splide.min.js
657 ms
splide.min.css
668 ms
jquery-3.5.1.min.js
834 ms
splide.min.js
763 ms
splide.min.css
773 ms
jquery.cut-list.min.js
793 ms
jquery.cut-list.css
797 ms
bodyScrollLock.min.js
891 ms
microAlert.js
900 ms
microAlert.css
910 ms
js.cookie.min.js
927 ms
lazyload.min.js
965 ms
theme.css
1014 ms
insales_counter.js
863 ms
logo-steth.png
407 ms
company1.png@png
1210 ms
dostavka-tovarov-2048x1365.jpg@jpg
587 ms
%D0%BE%D0%BF%D0%BB%D0%B0%D1%82%D0%B0.png@png
763 ms
icons8-vk-%D0%B2-%D0%BA%D1%80%D1%83%D0%B3%D0%B5.svg
523 ms
icons8-%D1%82%D0%B5%D0%BB%D0%B5%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0-app__3_.svg
532 ms
analytics.js
29 ms
tag.js
991 ms
widget-5357502ade478ef473b2e0116a3f45ed99bfb7c1ceba53adfe7fc5b4f5cbd005.css
937 ms
script.js
1458 ms
collect
13 ms
js
61 ms
counter.insales.com
848 ms
stylesheet.css
458 ms
advert.gif
636 ms
style.css
127 ms
insales-icons.woff
127 ms
sync_cookie_image_decide
140 ms
optica100.ru accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
optica100.ru 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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
optica100.ru 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
Tap targets are not sized appropriately
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optica100.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Optica100.ru 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.
optica100.ru
Open Graph description is not detected on the main page of Optica 100. 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: