nb.rs Website Information

Daily Unique Visits: 56,165

Daily Page Views: 336,990

Income Per Day: $674

Estimated Value: $485,280

This website is located in Serbia and is using following IP address 147.91.246.2. See the complete list of popular websites hosted in Serbia.

nb.rs is registered under .RS top-level domain. Please check other sites in .RS zone.

Website nb.rs is using the following name servers:

ns1e.nb.rs
ns2e.nb.rs

and is probably hosted by Akademska mreza Republike Srbije - AMRES. See the full list of other websites hosted by Akademska mreza Republike Srbije - AMRES.

The highest website nb.rs position in Alexa rank database was 24937 and the lowest rank position was 28278. Current position of nb.rs in Alexa rank database is 25536.

Desktop speed score of nb.rs (69/100) is better than the results of 49.24% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of nb.rs (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.

Mobile speed score of nb.rs (61/100) is better than the results of 57.04% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

nb.rs Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

nb.rs whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

% The data in the Whois database are provided by RNIDS
% for information purposes only and to assist persons in obtaining
% information about or related to a domain name registration record.
% Data in the database are created by registrants and we do not guarantee
% their accuracy. We reserve the right to remove access
% for entities abusing the data, without notice.
% All timestamps are given in Serbian local time.
%
Domain name: nb.rs
Domain status: Active https://www.rnids.rs/en/domain-name-status-codes#Active
Registration date: 10.03.2008 12:00:00
Modification date: 12.08.2020 08:42:05
Expiration date: 10.09.2021 12:00:00
Confirmed: 10.03.2008 12:00:00
Registrar: Serbia Broadband - Srpske kablovske mreže

Registrant: NARODNA BIBLIOTEKA SRBIJE
Address: Skerliceva 1, Beograd, Serbia
Postal Code: 11000
ID Number: 07010044
Tax ID: 102187749

Administrative contact: NARODNA BIBLIOTEKA SRBIJE
Address: Skerliceva 1, Beograd, Serbia
Postal Code: 11000
ID Number: 07010044
Tax ID: 102187749

Technical contact: SERBIA BROADBAND - SRPSKE KABLOVSKE MREZE D.O.O.
Address: Sestre Janjic 6, Kragujevac, Serbia
Postal Code: 34000
ID Number: 17280554
Tax ID: 101038731

DNS: ns.rcub.bg.ac.rs - 147.91.1.5
DNS: ns1e.nb.rs - 147.91.246.91
DNS: ns2e.nb.rs - 147.91.246.96

DNSSEC signed: no

Whois Timestamp: 01.05.2021 01:26:33

nb.rs server information

Servers Location

nb.rs desktop page speed rank

Last tested: 2017-05-22

Desktop Speed Medium

69/100

nb.rs Desktop Speed Test Quick Summary

priority - 26Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 256.9KiB (88% reduction).

Compressing https://www.nb.rs/view_image.php?id=10954 could save 63.9KiB (90% reduction).
Compressing https://www.nb.rs/view_image.php?id=10960 could save 58.1KiB (91% reduction).
Compressing https://www.nb.rs/view_image.php?id=10940 could save 50.3KiB (88% reduction).
Compressing https://www.nb.rs/view_image.php?id=10973 could save 37.8KiB (83% reduction).
Compressing https://www.nb.rs/view_image.php?id=10958 could save 25.9KiB (84% reduction).
Compressing https://www.nb.rs/view_image.php?id=10707 could save 20.8KiB (87% reduction).

priority - 6Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.nb.rs/css/txtstyle.php (expiration not specified)
https://www.nb.rs/img/hp_arr_left.gif (expiration not specified)
https://www.nb.rs/img/hp_arr_right.gif (expiration not specified)
https://www.nb.rs/img/hp_bg.gif (expiration not specified)
https://www.nb.rs/img/logo.gif (expiration not specified)
https://www.nb.rs/img/nbs_cr.gif (expiration not specified)
https://www.nb.rs/img/spacer.gif (expiration not specified)
https://www.nb.rs/img/w_line.gif (expiration not specified)
https://www.nb.rs/js/api.js (expiration not specified)
https://www.nb.rs/js/mnu.js (expiration not specified)
https://www.nb.rs/js/site.js (expiration not specified)
http://www.google.com/jsapi (60 minutes)
http://www.google.com/uds/?file=elements&v=1&packages=transliteration (60 minutes)

priority - 6Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 62KiB (81% reduction).

Compressing https://www.nb.rs/ could save 42.4KiB (81% reduction).
Compressing https://www.nb.rs/js/api.js could save 7.4KiB (84% reduction).
Compressing https://www.nb.rs/js/mnu.js could save 6.3KiB (82% reduction).
Compressing https://www.nb.rs/css/txtstyle.php could save 5.2KiB (86% reduction).
Compressing https://www.nb.rs/js/site.js could save 769B (56% reduction).

priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.nb.rs/js/api.js
https://www.nb.rs/js/mnu.js
https://www.nb.rs/js/site.js

Use asynchronous versions of the following scripts:

http://www.google-analytics.com/urchin.js

Optimize CSS Delivery of the following:

https://www.nb.rs/css/txtstyle.php

priority - 0Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 3.9KiB (17% reduction).

Minifying https://www.nb.rs/js/api.js could save 2KiB (24% reduction).
Minifying http://www.google-analytics.com/urchin.js could save 975B (15% reduction) after compression.
Minifying https://www.nb.rs/js/mnu.js could save 949B (13% reduction).

nb.rs Desktop Resource Breakdown

Total Resources	27
Number of Hosts	6
Static Resources	17
JavaScript Resources	8
CSS Resources	2

nb.rs mobile page speed rank

Last tested: 2017-05-22

Mobile Speed Bad

61/100

nb.rs Mobile Speed Test Quick Summary

priority - 26Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 256.9KiB (88% reduction).

priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.nb.rs/js/api.js
https://www.nb.rs/js/mnu.js
https://www.nb.rs/js/site.js

Use asynchronous versions of the following scripts:

http://www.google-analytics.com/urchin.js

Optimize CSS Delivery of the following:

https://www.nb.rs/css/txtstyle.php

priority - 10Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 6Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 62KiB (81% reduction).

priority - 0Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 3.9KiB (17% reduction).

nb.rs Mobile Resource Breakdown

Total Resources	27
Number of Hosts	6
Static Resources	17
JavaScript Resources	8
CSS Resources	2

nb.rs mobile page usability

Last tested: 2017-05-22

Mobile Usability Bad

62/100

nb.rs Mobile Usability Test Quick Summary

priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

Виртуелна шетњ…лиотеку Србије and 18 others render only 4 pixels tall (11 CSS pixels).

Посебне збирке…турног развоја renders only 4 pixels tall (11 CSS pixels).

Дозволе за изн…тходну заштиту and 31 others render only 4 pixels tall (11 CSS pixels).

Српски ћирилица renders only 4 pixels tall (11 CSS pixels).

Приступна страна and 3 others render only 4 pixels tall (11 CSS pixels).

Речник библиот…мационих наука and 13 others render only 4 pixels tall (10 CSS pixels).

Књига дана / and 2 others render only 4 pixels tall (10 CSS pixels).

Српска библиографија 1868-1944 and 6 others render only 4 pixels tall (11 CSS pixels).

архива renders only 4 pixels tall (10 CSS pixels).

, Мигел де Унамуно and 1 others render only 4 pixels tall (11 CSS pixels).

Љубав и педагогија renders only 4 pixels tall (11 CSS pixels).

The following text fragments have a small line height. Increase the line height to make them more legible.

Посебне збирке…турног развоја has a line height of only 100% of the font size.

priority - 14Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/pages/article.php?id=24534" class="subnavFont">О нама</a> and 27 others are close to other tap targets.

The tap target <a href="/event.php?id=31565">Годишња Конфер…- CENL 2017.</a> and 106 others are close to other tap targets.

The tap target <input type="text" name="q"> is close to 1 other tap targets.

The tap target <input type="submit" name="sa"> is close to 2 other tap targets.

The tap target <a href="/misc/contact.php" class="hplinkFont">Контакт</a> and 1 others are close to other tap targets.

The tap target <a href="http://www.doiserbia.nb.rs" class="titlesmallFont">Научни часописи (DOI Србија)</a> and 2 others are close to other tap targets.

The tap target <a href="http://www.vbs…ni=sr&scri=cyr" class="subnavFont">e-Каталог НБС</a> and 11 others are close to other tap targets.

The tap target <a href="/misc/bof_arch…_month=2017_05" class="whitelinkFont">архива</a> is close to 5 other tap targets.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

nb.rs HTML validation

Errors

Quirky doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 63
"...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html..."