Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

rbt.hr

RBT - Naslovnica

Page Load Speed

7 sec in total

First Response

1.1 sec

Resources Loaded

4.5 sec

Page Rendered

1.4 sec

rbt.hr screenshot

About Website

Click here to check amazing RBT content for Croatia. Otherwise, check out these important facts you probably never knew about rbt.hr

RB Tehnika d.o.o. - web site RB Tehnika d.o.o. - web stran RB Tehnika d.o.o. - web mjesto RB Tehnika d.o.o. - Web Seite

Visit rbt.hr

Key Findings

We analyzed Rbt.hr page load time and found that the first response time was 1.1 sec and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

rbt.hr performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value600 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.07

96/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

rbt.hr

1076 ms

back_2.jpg

623 ms

templ_back_index_1a.gif

234 ms

templ_back_index_3_L.gif

250 ms

header_logo_1.gif

856 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that all of those requests were addressed to Rbt.hr and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Rbt.hr.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.1 kB (41%)

Content Size

374.3 kB

After Optimization

220.3 kB

In fact, the total size of Rbt.hr main page is 374.3 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. 15% of websites need less resources to load. Images take 244.9 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 120.7 kB

  • Original 129.4 kB
  • After minification 83.4 kB
  • After compression 8.7 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 46.0 kB, which is 36% 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 120.7 kB or 93% of the original size.

Image Optimization

-14%

Potential reduce by 33.4 kB

  • Original 244.9 kB
  • After minification 211.6 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, RBT needs image optimization as it can save up to 33.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 24 (34%)

Requests Now

71

After Optimization

47

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RBT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

rbt.hr accessibility score

71

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rbt.hr best practices score

75

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

SEO Factors

rbt.hr SEO score

96

Search Engine Optimization Advices

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    HR

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rbt.hr can be misinterpreted by Google and other search engines. Our service has detected that Croatian 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 Rbt.hr main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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