4.7 sec in total
1.4 sec
3.2 sec
181 ms
Click here to check amazing Library Spbu content for Russia. Otherwise, check out these important facts you probably never knew about library.spbu.ru
Научная библиотека им. М. Горького
Visit library.spbu.ruWe analyzed Library.spbu.ru page load time and found that the first response time was 1.4 sec and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
library.spbu.ru performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value5.6 s
18/100
25%
Value7.0 s
32/100
10%
Value450 ms
63/100
30%
Value0.475
18/100
15%
Value7.0 s
53/100
10%
1369 ms
677 ms
977 ms
839 ms
1072 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 66% of them (39 requests) were addressed to the original Library.spbu.ru, 22% (13 requests) were made to Spbu.ru and 7% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Library.spbu.ru.
Page size can be reduced by 766.6 kB (57%)
1.3 MB
582.6 kB
In fact, the total size of Library.spbu.ru main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 829.8 kB which makes up the majority of the site volume.
Potential reduce by 117.4 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 117.4 kB or 77% of the original size.
Potential reduce by 42.6 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, Library Spbu needs image optimization as it can save up to 42.6 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 564.7 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 564.7 kB or 68% of the original size.
Potential reduce by 41.9 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. Library.spbu.ru needs all CSS files to be minified and compressed as it can save up to 41.9 kB or 82% of the original size.
Number of requests can be reduced by 28 (48%)
58
30
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Spbu. 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 5 to 1 for CSS and as a result speed up the page load time.
library.spbu.ru
1369 ms
jquery-ui-1.8.23.custom.css
677 ms
jquery-1.8.0.min.js
977 ms
jquery-ui-1.8.23.custom.min.js
839 ms
hoverIntent.js
1072 ms
superfish.js
1080 ms
s3Slider.js
429 ms
global.css
1097 ms
lib2.css
558 ms
mainmenu.css
436 ms
side_spbu.js
725 ms
SpryAccordion.js
143 ms
addthis_widget.js
13 ms
side.css
143 ms
mail.png
280 ms
lg-bookmark-en.gif
45 ms
logo.jpg
184 ms
ebrary.jpg
180 ms
scopus.jpg
180 ms
bbk.jpg
289 ms
zpb.jpg
181 ms
11.gif
180 ms
rp.jpg
277 ms
vol.jpg
285 ms
pi.jpg
285 ms
rss.jpg
285 ms
logo_small.png
286 ms
facebook_large.png
406 ms
rss_large.png
419 ms
twitter_large.png
421 ms
twitter.png
272 ms
rss.png
273 ms
youtube.png
273 ms
prav-abitur.png
273 ms
eranetmundus.png
797 ms
crdf.jpg
1241 ms
rus-germ.png
873 ms
proforient.png
630 ms
mgu-spbu.jpg
507 ms
drrk.jpg
1166 ms
soc.jpg
887 ms
prav.jpg
1133 ms
analytics.js
47 ms
bodybg3.jpg
169 ms
searchbg960x.jpg
390 ms
newsbodybg_j.jpg
392 ms
searchbg960x.jpg
395 ms
topnav.jpg
148 ms
rss.png
151 ms
twitter.png
253 ms
facebook.png
267 ms
collect
95 ms
300lo.json
53 ms
ui-bg_gloss-wave_25_333333_500x100.png
367 ms
ui-bg_inset-soft_30_f58400_1x100.png
383 ms
ui-bg_glass_20_555555_1x400.png
384 ms
dropdown.png
141 ms
sh.7c7179124ea24ac6ba46caac.html
32 ms
layers.648fb6c882fbeb98be27.js
6 ms
library.spbu.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
Links do not have a discernible name
library.spbu.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
library.spbu.ru 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
RU
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Library.spbu.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Library.spbu.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.
library.spbu.ru
Open Graph description is not detected on the main page of Library Spbu. 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: