1.8 sec in total
166 ms
1.5 sec
161 ms
Click here to check amazing Calculators Online content for Russia. Otherwise, check out these important facts you probably never knew about calculators-online.ru
Calculators-Online.ru - специализированный магазин калькуляторов и STEM технологий. Доставка по России и СНГ.
Visit calculators-online.ruWe analyzed Calculators-online.ru page load time and found that the first response time was 166 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
calculators-online.ru performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value4.5 s
37/100
25%
Value4.2 s
77/100
10%
Value310 ms
77/100
30%
Value0.099
90/100
15%
Value7.8 s
44/100
10%
166 ms
534 ms
16 ms
33 ms
349 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 82% of them (61 requests) were addressed to the original Calculators-online.ru, 8% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (534 ms) belongs to the original domain Calculators-online.ru.
Page size can be reduced by 304.3 kB (33%)
927.0 kB
622.6 kB
In fact, the total size of Calculators-online.ru main page is 927.0 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 657.4 kB which makes up the majority of the site volume.
Potential reduce by 71.4 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 71.4 kB or 82% of the original size.
Potential reduce by 192.9 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, Calculators Online needs image optimization as it can save up to 192.9 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 38.3 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 38.3 kB or 24% of the original size.
Potential reduce by 1.7 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. Calculators-online.ru has all CSS files already compressed.
Number of requests can be reduced by 26 (40%)
65
39
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calculators Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
calculators-online.ru
166 ms
calculators-online.ru
534 ms
jquery-1.12.4.min.js
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jquery.session.js
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device.min.js
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jquery.inputmask.bundle.min.js
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jquery.fancybox.css
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swiper.min.css
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jquery-ui.min.css
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jquery-ui.min.js
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datepicker-ru.js
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intlTelInput.min.css
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style.css
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media.css
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my.js
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shopkeeper.js
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email-decode.min.js
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css
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logo.svg
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sprites.png
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calculators-online.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
calculators-online.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
calculators-online.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
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RU
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N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calculators-online.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 Calculators-online.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.
calculators-online.ru
Open Graph description is not detected on the main page of Calculators Online. 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: