5.1 sec in total
923 ms
3.7 sec
441 ms
Welcome to tetradi-spb.ru homepage info - get ready to check Tetradi Spb best content for Russia right away, or after learning these important things about tetradi-spb.ru
Канцтовары в Петербурге, магазин и оптовый склад канцтоваров. Возможность получить скидку на канцтовары через сайт.
Visit tetradi-spb.ruWe analyzed Tetradi-spb.ru page load time and found that the first response time was 923 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
tetradi-spb.ru performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value4.8 s
30/100
25%
Value11.2 s
5/100
10%
Value1,350 ms
17/100
30%
Value0
100/100
15%
Value17.4 s
4/100
10%
923 ms
259 ms
265 ms
693 ms
426 ms
Our browser made a total of 134 requests to load all elements on the main page. We found that 32% of them (43 requests) were addressed to the original Tetradi-spb.ru, 10% (14 requests) were made to Vk.com and 7% (10 requests) were made to Cs615724.vk.me. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Tetradi-spb.ru.
Page size can be reduced by 1.2 MB (37%)
3.1 MB
2.0 MB
In fact, the total size of Tetradi-spb.ru main page is 3.1 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. 60% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 47.1 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 8.8 kB, which is 14% 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 47.1 kB or 77% of the original size.
Potential reduce by 106.3 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. Tetradi Spb images are well optimized though.
Potential reduce by 754.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 754.1 kB or 75% of the original size.
Potential reduce by 257.9 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. Tetradi-spb.ru needs all CSS files to be minified and compressed as it can save up to 257.9 kB or 83% of the original size.
Number of requests can be reduced by 31 (24%)
128
97
The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tetradi 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 16 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
tetradi-spb.ru
923 ms
kernel_main.css
259 ms
template_bf94df4a63bc770809c49d882eb48185.css
265 ms
kernel_main.js
693 ms
jquery-1.8.3.min.js
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template_e5808ae298ebe72d476f535ef69df5c0.js
415 ms
kube.min.css
610 ms
jquery.fancybox.css
390 ms
jquery.bxslider.css
414 ms
jquery-ui-1.10.3.custom.min.css
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jquery.jscrollpane.css
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helpers.css
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modernizr-2.6.2.min.js
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openapi.js
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watch.js
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script.js
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ba.js
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h-logo.png
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h-basket.png
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tetradi-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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
tetradi-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
tetradi-spb.ru 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
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 Tetradi-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 Tetradi-spb.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.
tetradi-spb.ru
Open Graph description is not detected on the main page of Tetradi 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: