10.5 sec in total
3.5 sec
6.4 sec
535 ms
Visit dzlib.ru now to see the best up-to-date Dzlib content for Russia and also check out these interesting facts you probably never knew about dzlib.ru
Централизованная библиотечная система г. Дзержинска: новости и события библиотечной жизни, информация о городских библиотеках, электронный каталог, новинки литературы, музеи, краеведческий материал
Visit dzlib.ruWe analyzed Dzlib.ru page load time and found that the first response time was 3.5 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
dzlib.ru performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value6.8 s
7/100
25%
Value10.4 s
8/100
10%
Value440 ms
63/100
30%
Value0.055
98/100
15%
Value9.6 s
29/100
10%
3532 ms
432 ms
437 ms
780 ms
432 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 90% of them (83 requests) were addressed to the original Dzlib.ru, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Dzlib.ru.
Page size can be reduced by 311.7 kB (23%)
1.4 MB
1.1 MB
In fact, the total size of Dzlib.ru main page is 1.4 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. 50% of websites need less resources to load. Images take 946.7 kB which makes up the majority of the site volume.
Potential reduce by 61.9 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 61.9 kB or 82% of the original size.
Potential reduce by 65.7 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. Dzlib images are well optimized though.
Potential reduce by 141.0 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 141.0 kB or 47% of the original size.
Potential reduce by 43.1 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. Dzlib.ru needs all CSS files to be minified and compressed as it can save up to 43.1 kB or 82% of the original size.
Number of requests can be reduced by 28 (31%)
89
61
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dzlib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
dzlib.ru
3532 ms
jcemediabox.css
432 ms
style.css
437 ms
jcemediabox.js
780 ms
mediaobject.js
432 ms
default.js
289 ms
mootools.js
992 ms
caption.js
515 ms
system.css
553 ms
general.css
644 ms
template.css
658 ms
style.css
660 ms
jquery.js
1152 ms
script.js
785 ms
spxl.js
773 ms
payment.modal.css
1322 ms
ga.js
151 ms
Bottom_texture.jpg
372 ms
3_0_B65452FF_963432FF_1_pageviews
585 ms
sheet_s.png
308 ms
sheet_h.png
306 ms
sheet_v.png
307 ms
header.png
314 ms
header.jpg
438 ms
nav.png
312 ms
menuitem.png
312 ms
spacer.gif
311 ms
subitem.png
364 ms
button.png
440 ms
15.png
429 ms
31.png
428 ms
001.png
430 ms
002.png
488 ms
003.png
570 ms
30.png
574 ms
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594 ms
vmenublock_s.png
573 ms
vmenublock_h.png
638 ms
vmenublock_v.png
713 ms
vmenuitem.png
719 ms
28.jpeg
721 ms
036.jpg
738 ms
6.jpg
740 ms
18.png
776 ms
20.jpg
860 ms
29.png
866 ms
3.jpg
865 ms
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1101 ms
25.png
1101 ms
27.png
1103 ms
2.jpg
1105 ms
1.jpg
1106 ms
14.png
1105 ms
tag.js
812 ms
widget.js
824 ms
popup.html
826 ms
tooltip.html
825 ms
4.png
826 ms
5.png
870 ms
8.png
862 ms
7.png
868 ms
9.jpg
896 ms
__utm.gif
16 ms
21.png
864 ms
24.jpg
884 ms
borodino.png
884 ms
babushka.png
892 ms
emotsii.png
881 ms
osen.jpg
910 ms
kniga.png
911 ms
desant.png
930 ms
1.png
883 ms
2.png
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01.jpg
886 ms
5.png
1034 ms
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893 ms
108.png
896 ms
footer_s.png
899 ms
footer_b.png
683 ms
zoom-img.png
749 ms
menuseparator.png
780 ms
advert.gif
623 ms
sync_cookie_image_decide
131 ms
dzlib.ru accessibility score
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
Form elements do not have associated labels
Links do not have a discernible name
dzlib.ru 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
Page has valid source maps
dzlib.ru SEO score
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dzlib.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Dzlib.ru 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.
dzlib.ru
Open Graph description is not detected on the main page of Dzlib. 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: