4.4 sec in total
524 ms
3.7 sec
128 ms
Click here to check amazing Chem Astu content for Russia. Otherwise, check out these important facts you probably never knew about chem-astu.ru
Алтайский государственный технический университет. Домашняя страница Института биотехнологии, пищевой и химической инженерии.
Visit chem-astu.ruWe analyzed Chem-astu.ru page load time and found that the first response time was 524 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
chem-astu.ru performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value1.3 s
100/100
25%
Value3.4 s
89/100
10%
Value430 ms
64/100
30%
Value0.034
100/100
15%
Value5.0 s
76/100
10%
524 ms
559 ms
741 ms
788 ms
626 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that 42% of them (8 requests) were addressed to the original Chem-astu.ru, 21% (4 requests) were made to Top-fwz1.mail.ru and 5% (1 request) were made to Site.yandex.net. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Yastatic.net.
Page size can be reduced by 20.2 kB (10%)
212.1 kB
192.0 kB
In fact, the total size of Chem-astu.ru main page is 212.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 110.3 kB which makes up the majority of the site volume.
Potential reduce by 14.9 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 14.9 kB or 74% of the original size.
Potential reduce by 757 B
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. Chem Astu images are well optimized though.
Potential reduce by 4.5 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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 5 (31%)
16
11
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Astu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
chem-astu.ru
524 ms
chem-astu.ru
559 ms
all.js
741 ms
code.js
788 ms
top100.js
626 ms
hit
532 ms
670 ms
watch.js
4 ms
mainbg.gif
132 ms
logo_160.gif
270 ms
logo101.gif
400 ms
ChineseLang.gif
405 ms
reg22m.gif
529 ms
small_astu.jpg
663 ms
counter2
142 ms
jquery.min.js
1888 ms
sync-loader.js
773 ms
dyn-goal-config.js
130 ms
counter
196 ms
chem-astu.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.
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
Form elements do not have associated labels
Links do not have a discernible name
chem-astu.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
chem-astu.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
RU
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem-astu.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 Chem-astu.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.
chem-astu.ru
Open Graph description is not detected on the main page of Chem Astu. 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: