24.2 sec in total
1.1 sec
22.5 sec
616 ms
Welcome to chem-service.com homepage info - get ready to check Chem Service best content for Russia right away, or after learning these important things about chem-service.com
ЗАО Химсервис - магазин хим реактивов, реализует химреактивы, химические реагенты, реактивы. Продажа химреактивов, цены, купить химреактивы в интернет-магазине.
Visit chem-service.comWe analyzed Chem-service.com page load time and found that the first response time was 1.1 sec and then it took 23.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
chem-service.com performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value6.3 s
10/100
25%
Value5.3 s
58/100
10%
Value170 ms
92/100
30%
Value0.03
100/100
15%
Value6.0 s
65/100
10%
1076 ms
263 ms
492 ms
492 ms
486 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 93% of them (56 requests) were addressed to the original Chem-service.com, 2% (1 request) were made to Ajax.googleapis.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Chem-service.com.
Page size can be reduced by 1.3 MB (59%)
2.2 MB
896.7 kB
In fact, the total size of Chem-service.com 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. 35% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 32.9 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 32.9 kB or 76% of the original size.
Potential reduce by 800.2 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, Chem Service needs image optimization as it can save up to 800.2 kB or 50% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 332.7 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 332.7 kB or 81% of the original size.
Potential reduce by 116.4 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. Chem-service.com needs all CSS files to be minified and compressed as it can save up to 116.4 kB or 87% of the original size.
Number of requests can be reduced by 8 (15%)
53
45
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Service. 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 from 6 to 1 for CSS and as a result speed up the page load time.
chem-service.com
1076 ms
popup.css
263 ms
page_dc701b1fc10e426d63aba3206a97ac61_2a6cde78a7fdc280e1d7e99ada4fa5b7.css
492 ms
kernel_main.css
492 ms
kernel_socialservices.css
486 ms
template_4a3130763a840d649e2fca42b17b11b3_66ea526e16c7d1b5c4fe1eb5b8620681.css
494 ms
jquery.min.js
40 ms
kernel_main.js
1229 ms
kernel_socialservices.js
485 ms
template_133e474d3136f1c7244f29f97d7ccc2e_d2b0931478cee91b710062c7ee5a5375.js
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css
43 ms
logo.png
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lang-set.png
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sertificat.png
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bgmenu.png
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loupe.png
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watch.js
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4087 ms
chem-service.com 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
Links do not have a discernible name
chem-service.com 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
Issues were logged in the Issues panel in Chrome Devtools
chem-service.com SEO score
RU
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem-service.com 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 Chem-service.com 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.
chem-service.com
Open Graph description is not detected on the main page of Chem Service. 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: