3.5 sec in total
473 ms
2.6 sec
343 ms
Welcome to libinfo.org homepage info - get ready to check Libinfo best content for Russia right away, or after learning these important things about libinfo.org
Библиотека исторической информации
Visit libinfo.orgWe analyzed Libinfo.org page load time and found that the first response time was 473 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster. This domain responded with an error, which can significantly jeopardize Libinfo.org rating and web reputation
libinfo.org performance score
name
value
score
weighting
Value1.9 s
86/100
10%
Value3.9 s
53/100
25%
Value5.6 s
52/100
10%
Value1,660 ms
11/100
30%
Value0.237
52/100
15%
Value10.9 s
21/100
10%
473 ms
131 ms
132 ms
143 ms
143 ms
Our browser made a total of 113 requests to load all elements on the main page. We found that 23% of them (26 requests) were addressed to the original Libinfo.org, 11% (12 requests) were made to Mc.yandex.ru and 6% (7 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Img1.imgsmail.ru.
Page size can be reduced by 242.9 kB (60%)
405.6 kB
162.7 kB
In fact, the total size of Libinfo.org main page is 405.6 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. 60% of websites need less resources to load. HTML takes 193.4 kB which makes up the majority of the site volume.
Potential reduce by 160.9 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 160.9 kB or 83% of the original size.
Potential reduce by 1.4 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. Libinfo images are well optimized though.
Potential reduce by 69.9 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 69.9 kB or 45% of the original size.
Potential reduce by 10.7 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. Libinfo.org needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 77% of the original size.
Number of requests can be reduced by 68 (68%)
100
32
The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libinfo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and as a result speed up the page load time.
libinfo.org
473 ms
main.css
131 ms
tags.css
132 ms
borders.css
143 ms
tree.js
143 ms
tree_items.js
138 ms
tree_tpl.js
138 ms
plusone.js
92 ms
share.js
14 ms
form.js
8 ms
zp.js
671 ms
brand
25 ms
show_ads.js
24 ms
zp.js
698 ms
brand
48 ms
share.js
628 ms
watch.js
181 ms
cb=gapi.loaded_0
54 ms
all.js
297 ms
green.gif
432 ms
jquery.min.js
27 ms
context.js
250 ms
top100.cnt
281 ms
flag-ru.png
82 ms
flag-en.png
85 ms
flag-fr.png
83 ms
flag-de.png
85 ms
perol.png
153 ms
top-block-border.gif
83 ms
bottom-block-border.gif
151 ms
left-border-block.gif
147 ms
right-border-block.gif
149 ms
lt-coner-block.gif
150 ms
rt-coner-block.gif
151 ms
lb-coner-block.gif
214 ms
rb-coner-block.gif
214 ms
app_stores.gif
219 ms
google_play.gif
217 ms
bannerkoap.gif
216 ms
koapp.jpg
218 ms
bn88.jpg
278 ms
b_dvpt.gif
316 ms
_form.js
15 ms
yandex-hint.png
3 ms
watch.js
429 ms
search.png
4 ms
context_static_r1065.js
333 ms
120 ms
arrow.xml
591 ms
xd_arbiter.php
217 ms
xd_arbiter.php
444 ms
71143
150 ms
advert.gif
85 ms
y90
21 ms
www.success-psychology.ru
293 ms
mhn.emmanuil.tv
411 ms
1
142 ms
google_custom_search_watermark.gif
167 ms
ca-pub-5991311458794465.js
161 ms
zrt_lookup.html
170 ms
show_ads_impl.js
118 ms
aci.js
196 ms
hit
353 ms
new_share_buttons_sprite.gif
1098 ms
share_count
394 ms
b-share-form-button.png
112 ms
ping
101 ms
impression.html
344 ms
sync
314 ms
extra.js
350 ms
cb=gapi.loaded_1
72 ms
fastbutton
138 ms
b-share-form-button_share__icon.png
67 ms
b-share-icon.png
67 ms
b-share-popup_down__tail.png
68 ms
71143
238 ms
23414332
144 ms
71143
291 ms
23414332
293 ms
1361433
147 ms
23414332
294 ms
1361433
319 ms
26812653
228 ms
ads
334 ms
osd.js
20 ms
postmessageRelay
39 ms
like.php
61 ms
api.js
35 ms
core:rpc:shindig.random:shindig.sha1.js
91 ms
2536007149-postmessagerelay.js
63 ms
111 ms
191 ms
cb=gapi.loaded_0
42 ms
cb=gapi.loaded_1
39 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
83 ms
MFCZDR38nxn.js
533 ms
LVx-xkvaJ0b.png
584 ms
289 ms
pixel
14 ms
378 ms
pixel
15 ms
m_js_controller.js
24 ms
abg.js
40 ms
favicon
69 ms
googlelogo_color_112x36dp.png
57 ms
nessie_icon_thin_arrow_big_white.png
21 ms
s
22 ms
x_button_blue2.png
15 ms
MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js
4 ms
match
195 ms
match
98 ms
counter
312 ms
support.html
164 ms
libinfo.org 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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
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
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.
libinfo.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
libinfo.org 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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libinfo.org 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 Libinfo.org 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.
libinfo.org
Open Graph description is not detected on the main page of Libinfo. 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: