Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

knjigolovac.com

Prodaja knjiga online | ulovite najbolju cenu - Knjigolovac

Page Load Speed

3.6 sec in total

First Response

221 ms

Resources Loaded

3.1 sec

Page Rendered

324 ms

knjigolovac.com screenshot

About Website

Visit knjigolovac.com now to see the best up-to-date Knjigolovac content for Serbia and also check out these interesting facts you probably never knew about knjigolovac.com

Pronađite najbolju cenu za knjige koje želite. Možete upoređivati cene knjiga svih dostupnih knjižara na jednom mestu, bez obzira na žanr.

Visit knjigolovac.com

Key Findings

We analyzed Knjigolovac.com page load time and found that the first response time was 221 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

knjigolovac.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

knjigolovac.com

221 ms

knjigolovac.com

817 ms

styles.css

280 ms

jquery.rating.css

282 ms

jquery.js

651 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 81% of them (29 requests) were addressed to the original Knjigolovac.com, 8% (3 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to Cid.ekof.bg.ac.rs. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Cid.ekof.bg.ac.rs.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.2 kB (58%)

Content Size

413.1 kB

After Optimization

172.0 kB

In fact, the total size of Knjigolovac.com main page is 413.1 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. 35% of websites need less resources to load. Javascripts take 312.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 39.4 kB

  • Original 48.7 kB
  • After minification 35.0 kB
  • After compression 9.3 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. This page needs HTML code to be minified as it can gain 13.7 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.4 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 4.4 kB

  • Original 44.6 kB
  • After minification 40.1 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. Knjigolovac images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 191.1 kB

  • Original 312.0 kB
  • After minification 223.5 kB
  • After compression 120.9 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 191.1 kB or 61% of the original size.

CSS Optimization

-80%

Potential reduce by 6.2 kB

  • Original 7.8 kB
  • After minification 5.8 kB
  • After compression 1.6 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. Knjigolovac.com needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (59%)

Requests Now

32

After Optimization

13

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knjigolovac. 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 as a result speed up the page load time.

Accessibility Review

knjigolovac.com accessibility score

48

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

knjigolovac.com best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

knjigolovac.com SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    SR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Knjigolovac.com can be misinterpreted by Google and other search engines. Our service has detected that Serbian 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 Knjigolovac.com 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 Knjigolovac. 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: