6.7 sec in total
722 ms
4.3 sec
1.7 sec
Visit optic-spb.ru now to see the best up-to-date Optic Spb content for Russia and also check out these interesting facts you probably never knew about optic-spb.ru
Компания "Барс" - официальный дистрибьютор Yukon и других мировых брендов.Тепловизоры, цифровые приборы ночного видения, охотничьи прицелы и фонари, бинокли, подзорные трубы. Гарантия. Доставка по Рос...
Visit optic-spb.ruWe analyzed Optic-spb.ru page load time and found that the first response time was 722 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
optic-spb.ru performance score
name
value
score
weighting
Value8.5 s
0/100
10%
Value9.8 s
0/100
25%
Value11.8 s
4/100
10%
Value2,820 ms
3/100
30%
Value0.355
31/100
15%
Value16.3 s
5/100
10%
722 ms
499 ms
255 ms
355 ms
358 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 78% of them (71 requests) were addressed to the original Optic-spb.ru, 4% (4 requests) were made to Site.yandex.net and 4% (4 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Optic-spb.ru.
Page size can be reduced by 454.7 kB (11%)
4.1 MB
3.6 MB
In fact, the total size of Optic-spb.ru main page is 4.1 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. 40% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.
Potential reduce by 78.5 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 78.5 kB or 79% of the original size.
Potential reduce by 193.7 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. Optic Spb images are well optimized though.
Potential reduce by 168.5 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 168.5 kB or 58% of the original size.
Potential reduce by 13.9 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. Optic-spb.ru needs all CSS files to be minified and compressed as it can save up to 13.9 kB or 79% of the original size.
Number of requests can be reduced by 28 (32%)
88
60
The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optic Spb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
optic-spb.ru
722 ms
jquery-1.11.3.min.js
499 ms
jquery.fancybox.pack.js
255 ms
common.css
355 ms
styles.css
358 ms
jquery.fancybox.css
442 ms
jquery.min.js
27 ms
top100.jcn
369 ms
3_1_FFFFFFFF_EFEFEFFF_0_pageviews
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banner-88x31-rambler-green2.gif
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headfon.jpg
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head2.jpg
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home.gif
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map.gif
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email.gif
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ru.jpg
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opensearch.js
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leika.jpg
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widget_ru_RU.js
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optic-spb.ru 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.
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
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
optic-spb.ru 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
Issues were logged in the Issues panel in Chrome Devtools
optic-spb.ru SEO score
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
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
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optic-spb.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 Optic-spb.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
optic-spb.ru
Open Graph description is not detected on the main page of Optic Spb. 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: