6.8 sec in total
444 ms
5.9 sec
479 ms
Visit laverna-lab.ru now to see the best up-to-date Laverna Lab content for Russia and also check out these interesting facts you probably never knew about laverna-lab.ru
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Visit laverna-lab.ruWe analyzed Laverna-lab.ru page load time and found that the first response time was 444 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
laverna-lab.ru performance score
name
value
score
weighting
Value1.6 s
93/100
10%
Value6.6 s
8/100
25%
Value4.5 s
73/100
10%
Value4,800 ms
0/100
30%
Value0.009
100/100
15%
Value10.0 s
27/100
10%
444 ms
956 ms
172 ms
335 ms
687 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 94% of them (46 requests) were addressed to the original Laverna-lab.ru, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Laverna-lab.ru.
Page size can be reduced by 215.4 kB (15%)
1.4 MB
1.2 MB
In fact, the total size of Laverna-lab.ru main page is 1.4 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. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 36.7 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 11.5 kB, which is 26% 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 36.7 kB or 82% of the original size.
Potential reduce by 102.9 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. Laverna Lab images are well optimized though.
Potential reduce by 66.4 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 66.4 kB or 54% of the original size.
Potential reduce by 9.5 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. Laverna-lab.ru needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 77% of the original size.
Number of requests can be reduced by 14 (30%)
46
32
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laverna Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
laverna-lab.ru
444 ms
laverna-lab.ru
956 ms
_main.css
172 ms
main.css
335 ms
jquery.js
687 ms
_main.js
507 ms
main.js
541 ms
watch.js
1 ms
top_left.png
363 ms
logo.png
190 ms
top_right.png
563 ms
en.png
188 ms
cn.png
190 ms
magnifier.png
382 ms
image1774_600x300.jpg
3479 ms
image1776_600x300.jpg
1131 ms
image1777_600x300.jpg
872 ms
image2269_600x300.jpg
1043 ms
image2271_600x300.jpg
1125 ms
image2272_600x300.jpg
953 ms
image2273_600x300.jpg
1249 ms
image2274_600x300.jpg
2660 ms
image3603_600x300.jpg
3726 ms
image985_150x60.png
1301 ms
image938_60x60.png
1300 ms
image939_60x60.png
1458 ms
image940_60x60.png
1512 ms
image941_60x60.png
2083 ms
image961_60x60.png
2199 ms
image962_60x60.png
1727 ms
image963_60x60.png
1875 ms
image964_60x60.png
2010 ms
image965_60x60.png
2164 ms
image966_60x60.png
2219 ms
image967_60x60.png
2298 ms
image3442_60x60.jpg
2352 ms
footer_logo.png
2357 ms
analytics.js
197 ms
bg_main.png
2971 ms
top_bg.png
2490 ms
input_l.png
2514 ms
input_r.png
3051 ms
input_bg.png
2686 ms
menu_bg.png
3216 ms
sphere_bg.png
2885 ms
sphere_left.png
2946 ms
sphere_right.png
3017 ms
pagination.png
3114 ms
collect
78 ms
laverna-lab.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
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
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
laverna-lab.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
laverna-lab.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
Document uses plugins
EN
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laverna-lab.ru can be misinterpreted by Google and other search engines. Our service has detected that English 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 Laverna-lab.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.
laverna-lab.ru
Open Graph description is not detected on the main page of Laverna Lab. 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: