8.4 sec in total
570 ms
7.4 sec
364 ms
Click here to check amazing Bulletin Science content for Kazakhstan. Otherwise, check out these important facts you probably never knew about bulletin-science.kz
Visit bulletin-science.kzWe analyzed Bulletin-science.kz page load time and found that the first response time was 570 ms and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
bulletin-science.kz performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value19.7 s
0/100
25%
Value10.4 s
8/100
10%
Value950 ms
29/100
30%
Value0.057
98/100
15%
Value11.7 s
17/100
10%
570 ms
222 ms
442 ms
452 ms
448 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 97% of them (65 requests) were addressed to the original Bulletin-science.kz, 1% (1 request) were made to Ajax.googleapis.com and 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Bulletin-science.kz.
Page size can be reduced by 740.3 kB (19%)
3.9 MB
3.1 MB
In fact, the total size of Bulletin-science.kz main page is 3.9 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 3.3 MB which makes up the majority of the site volume.
Potential reduce by 26.7 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. 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 26.7 kB or 83% of the original size.
Potential reduce by 359.9 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. Obviously, Bulletin Science needs image optimization as it can save up to 359.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 266.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 266.5 kB or 71% of the original size.
Potential reduce by 87.2 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. Bulletin-science.kz needs all CSS files to be minified and compressed as it can save up to 87.2 kB or 83% of the original size.
Number of requests can be reduced by 37 (57%)
65
28
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bulletin Science. 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 19 to 1 for CSS and as a result speed up the page load time.
570 ms
modal.css
222 ms
k2.css
442 ms
system.css
452 ms
general.css
448 ms
media_queries.css
449 ms
template.css
454 ms
joomla.css
451 ms
custom.css
659 ms
modules.css
661 ms
typography.css
662 ms
css3.css
668 ms
style1.css
667 ms
style.css
672 ms
template.css
878 ms
sigplus.min.css
879 ms
boxplus.min.css
880 ms
boxplus.lightsquare.css
887 ms
boxplus.transition.css
886 ms
mootools-core.js
1346 ms
core.js
1097 ms
modal.js
1095 ms
jquery.min.js
32 ms
k2.noconflict.js
1096 ms
k2.js
1104 ms
caption.js
1107 ms
mootools-more.js
1979 ms
totop.js
1319 ms
jsapi
17 ms
jquery.include.min.js
1321 ms
jquery.noconflict.js
1322 ms
boxplus.min.js
1328 ms
boxplus.lang.min.js
1541 ms
boxplus.transition.min.js
1540 ms
system.css
1099 ms
123.png
3384 ms
header-bg.png
230 ms
logo.png
1105 ms
bullet3.gif
220 ms
bannerkaz.png
448 ms
en.gif
222 ms
ru.gif
437 ms
kz.gif
441 ms
44692f70f0e3065ad5dfda0ef991306d.jpg
451 ms
51ebff87b0bf26fb8dccf6f7b5001471.jpg
654 ms
1aa448cc3346e9c083d3c2cf48c8278f.jpg
659 ms
180bc460a6d52a414a1eb94f53a70448.jpg
669 ms
49b0f705b43ed043a33cd186cdb44a76.jpg
679 ms
6cb92fdc3e26bd4e18ffc48016bd0b41.jpg
871 ms
61193c43869bc135f0eff8d2e91ed6f4.jpg
878 ms
printButton.png
891 ms
emailButton.png
900 ms
avtor%201.png
2415 ms
pdf.jpg
1989 ms
facebook.png
1112 ms
twitter.png
1122 ms
mixx.png
1321 ms
vimeo.png
1333 ms
to_top.png
1342 ms
transparent.gif
1539 ms
resize.png
1560 ms
buttons.png
1565 ms
loading.png
1757 ms
7ee4284c6dd360cdcf5e4cb938a7f2de.jpg
1780 ms
c646d6304009f652e7997eb91649139e.jpg
2009 ms
be9ccf5a23091a0da30005b1796b79e0.jpg
1974 ms
0fb20edbc7501df21f0c9ddc8df99598.jpg
220 ms
bulletin-science.kz 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
Links do not have a discernible name
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
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.
bulletin-science.kz 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
bulletin-science.kz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bulletin-science.kz 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 Bulletin-science.kz 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.
bulletin-science.kz
Open Graph description is not detected on the main page of Bulletin Science. 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: