35.4 sec in total
4.2 sec
31 sec
207 ms
Click here to check amazing Testcenter content for Kazakhstan. Otherwise, check out these important facts you probably never knew about testcenter.kz
Ұлттық Тестілеу Орталығы
Visit testcenter.kzWe analyzed Testcenter.kz page load time and found that the first response time was 4.2 sec and then it took 31.2 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.
testcenter.kz performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value4.8 s
30/100
25%
Value9.2 s
13/100
10%
Value260 ms
83/100
30%
Value0.297
40/100
15%
Value11.9 s
17/100
10%
4208 ms
799 ms
381 ms
385 ms
392 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 90% of them (45 requests) were addressed to the original Testcenter.kz, 4% (2 requests) were made to Bitrix.info and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (14.8 sec) belongs to the original domain Testcenter.kz.
Page size can be reduced by 1.4 MB (46%)
3.1 MB
1.6 MB
In fact, the total size of Testcenter.kz main page is 3.1 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. 25% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 25.7 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 25.7 kB or 77% of the original size.
Potential reduce by 1.0 MB
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, Testcenter needs image optimization as it can save up to 1.0 MB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 294.8 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 294.8 kB or 72% of the original size.
Potential reduce by 90.8 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. Testcenter.kz needs all CSS files to be minified and compressed as it can save up to 90.8 kB or 85% of the original size.
Number of requests can be reduced by 26 (53%)
49
23
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Testcenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
testcenter.kz
4208 ms
common.css
799 ms
core.css
381 ms
reset.css
385 ms
style.css
392 ms
introjs.min.css
380 ms
style_ext.css
2221 ms
sliderkit-core.css
2396 ms
sliderkit-demos.css
2852 ms
style.css
2404 ms
style.css
2374 ms
style.css
1334 ms
core.js
11668 ms
core_ajax.js
2662 ms
json2.min.js
2365 ms
core_ls.js
2566 ms
session.js
2389 ms
jquery-1.8.2.min.js
3912 ms
script.js
2574 ms
jquery.carouFredSel-6.2.1-packed.js
4401 ms
jquery.sliderkit.1.4.js
3227 ms
share.js
2909 ms
intro.min.js
7596 ms
script.js
5320 ms
script.js
3454 ms
css
231 ms
ba.js
268 ms
analytics.js
102 ms
login.png
212 ms
reg.png
212 ms
all-site.png
217 ms
lang-str.png
218 ms
clear-bg.gif
217 ms
m-hover.png
217 ms
vk.png
416 ms
fc.png
415 ms
i-inst.png
424 ms
i-you.png
431 ms
new-logo.png
661 ms
konf_2_.jpg
12013 ms
online_kz_3.jpg
11860 ms
socbanner_2_kz.jpg
14825 ms
ntst_kz.jpg
12139 ms
st_ru.jpg
1798 ms
b4_kz.jpg
6706 ms
sear.png
1980 ms
mail.png
2159 ms
arrs-slide.png
2348 ms
collect
57 ms
bx_stat
324 ms
testcenter.kz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
testcenter.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
testcenter.kz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
KK
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Testcenter.kz can be misinterpreted by Google and other search engines. Our service has detected that Kazakh 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 Testcenter.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.
testcenter.kz
Open Graph description is not detected on the main page of Testcenter. 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: