6.8 sec in total
1.3 sec
5.4 sec
183 ms
Visit lebedev.ru now to see the best up-to-date Lebedev content for Russia and also check out these interesting facts you probably never knew about lebedev.ru
Visit lebedev.ruWe analyzed Lebedev.ru page load time and found that the first response time was 1.3 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
lebedev.ru performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value3.1 s
75/100
25%
Value4.5 s
72/100
10%
Value510 ms
57/100
30%
Value0.007
100/100
15%
Value4.9 s
77/100
10%
1265 ms
269 ms
380 ms
251 ms
255 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 92% of them (23 requests) were addressed to the original Lebedev.ru, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Lebedev.ru.
Page size can be reduced by 554.6 kB (51%)
1.1 MB
528.9 kB
In fact, the total size of Lebedev.ru main page is 1.1 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. 30% of websites need less resources to load. Javascripts take 639.2 kB which makes up the majority of the site volume.
Potential reduce by 9.1 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 1.7 kB, which is 13% 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 9.1 kB or 67% 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. Lebedev images are well optimized though.
Potential reduce by 489.8 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 489.8 kB or 77% of the original size.
Potential reduce by 16.3 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. Lebedev.ru needs all CSS files to be minified and compressed as it can save up to 16.3 kB or 79% of the original size.
Number of requests can be reduced by 10 (43%)
23
13
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lebedev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
lebedev.ru
1265 ms
269 ms
jquery.min.js
380 ms
jquery.simplemodal.min.js
251 ms
template.css
255 ms
basic.css
252 ms
mod_staff.css
260 ms
template.css
371 ms
mootools-core-uncompressed.js
636 ms
core-uncompressed.js
396 ms
caption-uncompressed.js
397 ms
mootools-more-uncompressed.js
899 ms
md_stylechanger.js
493 ms
urchin.js
29 ms
287 ms
logo.png
248 ms
pic_top_3_en.png
503 ms
lang_background.png
131 ms
search.png
125 ms
search_button.png
126 ms
entrance.jpg
516 ms
Ginzburg_with_students.jpg
619 ms
library.jpg
623 ms
building.png
260 ms
__utm.gif
11 ms
lebedev.ru accessibility score
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
<object> elements do not have alternate text
lebedev.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
lebedev.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lebedev.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 Lebedev.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.
lebedev.ru
Open Graph description is not detected on the main page of Lebedev. 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: