3.5 sec in total
709 ms
2.4 sec
384 ms
Welcome to zdsim.com homepage info - get ready to check ZDSim best content for Kazakhstan right away, or after learning these important things about zdsim.com
Visit zdsim.comWe analyzed Zdsim.com page load time and found that the first response time was 709 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
zdsim.com performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value8.1 s
2/100
25%
Value8.1 s
21/100
10%
Value1,600 ms
12/100
30%
Value0.633
9/100
15%
Value12.4 s
15/100
10%
709 ms
134 ms
252 ms
254 ms
263 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 43% of them (19 requests) were addressed to the original Zdsim.com, 20% (9 requests) were made to Get.zdsim.com and 11% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (885 ms) belongs to the original domain Zdsim.com.
Page size can be reduced by 699.9 kB (67%)
1.0 MB
341.6 kB
In fact, the total size of Zdsim.com main page is 1.0 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. 55% of websites need less resources to load. Javascripts take 732.6 kB which makes up the majority of the site volume.
Potential reduce by 22.6 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 22.6 kB or 79% of the original size.
Potential reduce by 22.6 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, ZDSim needs image optimization as it can save up to 22.6 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 591.8 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 591.8 kB or 81% of the original size.
Potential reduce by 63.0 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. Zdsim.com needs all CSS files to be minified and compressed as it can save up to 63.0 kB or 78% of the original size.
Number of requests can be reduced by 13 (31%)
42
29
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZDSim. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
zdsim.com
709 ms
wp-emoji-release.min.js
134 ms
video-js.css
252 ms
videojs-html5-player.css
254 ms
style.css
263 ms
css
26 ms
video.js
790 ms
adsbygoogle.js
6 ms
decode.js
281 ms
wp-embed.min.js
274 ms
rts_red_pre.jpg
505 ms
library_news.jpg
522 ms
chs7-286_v3_0_pre.jpg
629 ms
pass_0001_v1_0_pre.jpg
543 ms
ER9T-674_v1_0_pre.jpg
647 ms
ER9M-385_v1_0_pre.jpg
648 ms
zdsMaps_release_preview.jpg
751 ms
KVSZ_0009_pre.jpg
633 ms
rts_v0_39_passcars_revival.jpg
642 ms
2016_logo_250x250.png
280 ms
trainsim_ru_88x31.gif
158 ms
rrs_88x31.gif
158 ms
zaborin_ru_88x31.gif
158 ms
rw_club_org_ru_88x31.gif
157 ms
trainsimpack_ucoz_ru_88x31.png
157 ms
magistral_com_ua_88x31.gif
278 ms
railbook_net_88x31.gif
282 ms
rus-etrain_ru_88x31.gif
275 ms
ttdrussia_net_88x31.gif
885 ms
zdsim_vk_88x31_2.gif
271 ms
f8OBjBbevvywgbyJOxlO7Q.ttf
30 ms
ca-pub-8170171736595620.js
143 ms
zrt_lookup.html
142 ms
show_ads_impl.js
143 ms
ads
265 ms
osd.js
14 ms
ads
212 ms
18081020744553443170
20 ms
abg.js
29 ms
m_js_controller.js
43 ms
googlelogo_color_112x36dp.png
68 ms
s
29 ms
x_button_blue2.png
29 ms
Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js
3 ms
zdsim.com 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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
zdsim.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
zdsim.com 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
UK
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zdsim.com can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian is used on the page, and it does not match the claimed Russian language. Our system also found out that Zdsim.com 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.
zdsim.com
Open Graph description is not detected on the main page of ZDSim. 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: