5.6 sec in total
397 ms
4.4 sec
739 ms
Welcome to zavod.co.rs homepage info - get ready to check Zavod Co best content for Serbia right away, or after learning these important things about zavod.co.rs
Ј.П. "Завод за уџбенике", Обилићев венац 5, 11000 Београд, Србија J.P. "Zavod za udžbenike", Obilićev venac 5, 11000 Beograd, Srbija
Visit zavod.co.rsWe analyzed Zavod.co.rs page load time and found that the first response time was 397 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zavod.co.rs performance score
name
value
score
weighting
Value4.6 s
13/100
10%
Value8.2 s
2/100
25%
Value7.6 s
25/100
10%
Value1,230 ms
20/100
30%
Value0.093
91/100
15%
Value7.6 s
46/100
10%
397 ms
970 ms
377 ms
367 ms
250 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 97% of them (93 requests) were addressed to the original Zavod.co.rs, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zavod.co.rs.
Page size can be reduced by 536.0 kB (22%)
2.4 MB
1.9 MB
In fact, the total size of Zavod.co.rs main page is 2.4 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. 60% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 110.3 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 30.0 kB, which is 24% 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 110.3 kB or 90% of the original size.
Potential reduce by 44.6 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. Zavod Co images are well optimized though.
Potential reduce by 262.5 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 262.5 kB or 69% of the original size.
Potential reduce by 118.7 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. Zavod.co.rs needs all CSS files to be minified and compressed as it can save up to 118.7 kB or 81% of the original size.
Number of requests can be reduced by 13 (14%)
94
81
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zavod Co. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
zavod.co.rs
397 ms
www.zavod.co.rs
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jquery-2.1.1.min.js
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zavod.co.rs 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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
zavod.co.rs 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
zavod.co.rs SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
SR
SR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zavod.co.rs can be misinterpreted by Google and other search engines. Our service has detected that Serbian is used on the page, and it matches the claimed language. Our system also found out that Zavod.co.rs 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.
zavod.co.rs
Open Graph description is not detected on the main page of Zavod Co. 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: