6.1 sec in total
516 ms
5.4 sec
226 ms
Visit lenreactiv.ru now to see the best up-to-date Lenreactiv content for Russia and also check out these interesting facts you probably never knew about lenreactiv.ru
Химические реактивы, промышленная химия, лабораторная посуда, лабораторная мебель, лабораторное оборудование и приборы
Visit lenreactiv.ruWe analyzed Lenreactiv.ru page load time and found that the first response time was 516 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
lenreactiv.ru performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value8.6 s
1/100
25%
Value9.2 s
13/100
10%
Value50 ms
100/100
30%
Value0.163
72/100
15%
Value6.8 s
55/100
10%
516 ms
1031 ms
135 ms
394 ms
262 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 38% of them (23 requests) were addressed to the original Lenreactiv.ru, 18% (11 requests) were made to Vk.com and 7% (4 requests) were made to Share.pluso.ru. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Fabrikant.ru.
Page size can be reduced by 550.2 kB (25%)
2.2 MB
1.7 MB
In fact, the total size of Lenreactiv.ru main page is 2.2 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 1.7 MB which makes up the majority of the site volume.
Potential reduce by 30.6 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 30.6 kB or 76% of the original size.
Potential reduce by 151.3 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. Lenreactiv images are well optimized though.
Potential reduce by 301.9 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 301.9 kB or 73% of the original size.
Potential reduce by 66.4 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. Lenreactiv.ru needs all CSS files to be minified and compressed as it can save up to 66.4 kB or 83% of the original size.
Number of requests can be reduced by 22 (41%)
54
32
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lenreactiv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
lenreactiv.ru
516 ms
www.lenreactiv.ru
1031 ms
style.css
135 ms
jquery-2.1.3.min.js
394 ms
default.js
262 ms
slider.css
263 ms
slider.js
268 ms
openapi.js
366 ms
openapi.js
369 ms
Medal_128_2015.png
1182 ms
3_1_FFFFFFFF_EFEFEFFF_0_pageviews
513 ms
top-logo.png
156 ms
orange_line_new_reactivs.png
826 ms
orange_line_new_oborud.png
825 ms
orange_line_new_posuda.png
811 ms
orange_line_new_mebel.png
814 ms
orange_line_new_magazin.png
992 ms
askorbinovaya-kislota_308_162_5_80.png
718 ms
d-mannit_308_162_5_80.png
992 ms
naoh_akzonobel_308_162_5_80.png
1070 ms
kalij-uglekislyj_308_162_5_80.png
1073 ms
neogard_308_162_5_80.png
965 ms
witeg_jpg_308_162_5_80.jpg
966 ms
sberbank-ast_-_100h90.png
1106 ms
etp.png
1104 ms
etp_gpb.png
1115 ms
watch.js
11 ms
reactive-sprite.png
1108 ms
pluso-like.js
481 ms
bg100x100_logo.png
421 ms
upload.gif
267 ms
widget_community.php
429 ms
watch.js
17 ms
_company.stat_public.json
399 ms
dark_green_8.gif
138 ms
loader_nav19239_3.js
133 ms
lite.css
249 ms
lite.js
505 ms
lang3_0.js
252 ms
widget_community.css
259 ms
xdm.js
262 ms
al_community.js
256 ms
c_3be9e2cf.jpg
383 ms
yCggBgsejdQ.jpg
381 ms
Sz2ETWmSbY4.jpg
373 ms
YI9AWeClyzE.jpg
382 ms
camera_50.png
131 ms
w_logo.png
129 ms
Medal_128_2015.png
1217 ms
04.png
463 ms
process
465 ms
hit;PLUSO
258 ms
plus.png
692 ms
kb.js
485 ms
collect_pluso.js
187 ms
crossd_pluso_iframe.html
98 ms
hit;PLUSO
129 ms
dct.js
170 ms
h.gif
266 ms
s.js
502 ms
3696d9c5412d7dbcbaf1f52aba44c40f
109 ms
lenreactiv.ru accessibility score
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
lenreactiv.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
lenreactiv.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lenreactiv.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Lenreactiv.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.
lenreactiv.ru
Open Graph description is not detected on the main page of Lenreactiv. 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: