Report Summary

  • 38

    Performance

    Renders faster than
    59% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

nub.ba

NUBBIH | Naslovna

Page Load Speed

14.5 sec in total

First Response

4 sec

Resources Loaded

10.3 sec

Page Rendered

244 ms

nub.ba screenshot

About Website

Welcome to nub.ba homepage info - get ready to check Nub best content for Bosnia and Herzegovina right away, or after learning these important things about nub.ba

Web prezentacija Nacionalne i univerzitetske biblioteka Bsone i Hercegovine

Visit nub.ba

Key Findings

We analyzed Nub.ba page load time and found that the first response time was 4 sec and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

nub.ba performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.384

27/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

nub.ba

3984 ms

style.css

258 ms

mootools-core.js

1875 ms

core.js

268 ms

caption.js

266 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 55% of them (57 requests) were addressed to the original Nub.ba, 20% (21 requests) were made to Maps.google.com and 8% (8 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Nub.ba.

Page Optimization Overview & Recommendations

Page size can be reduced by 907.5 kB (35%)

Content Size

2.6 MB

After Optimization

1.7 MB

In fact, the total size of Nub.ba main page is 2.6 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. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 60.8 kB

  • Original 74.1 kB
  • After minification 67.2 kB
  • After compression 13.3 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 60.8 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 109.7 kB

  • Original 1.5 MB
  • After minification 1.4 MB

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. Nub images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 651.6 kB

  • Original 943.2 kB
  • After minification 912.8 kB
  • After compression 291.5 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 651.6 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 85.3 kB

  • Original 103.8 kB
  • After minification 83.1 kB
  • After compression 18.5 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. Nub.ba needs all CSS files to be minified and compressed as it can save up to 85.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (59%)

Requests Now

99

After Optimization

41

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nub.ba accessibility score

91

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

nub.ba best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nub.ba SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    BS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nub.ba can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it does not match the claimed English language. Our system also found out that Nub.ba 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Nub. 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: