Report Summary

  • 15

    Performance

    Renders faster than
    34% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 83

    SEO

    Google-friendlier than
    54% of websites

rts.rs

РТС :: Насловна

Page Load Speed

5.4 sec in total

First Response

344 ms

Resources Loaded

4.4 sec

Page Rendered

643 ms

rts.rs screenshot

About Website

Welcome to rts.rs homepage info - get ready to check Rts best content for Serbia right away, or after learning these important things about rts.rs

РТС Онлајн доноси најновије вести и анализе из Србије, са Балкана и из света. Пратите и стрим нашег радио и ТВ програма и гледајте одложено најбоље емисије Јавног медијског сервиса Србије.

Visit rts.rs

Key Findings

We analyzed Rts.rs page load time and found that the first response time was 344 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster. This domain responded with an error, which can significantly jeopardize Rts.rs rating and web reputation

Performance Metrics

rts.rs performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value18.4 s

0/100

10%

TBT (Total Blocking Time)

Value4,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.3 s

1/100

10%

Network Requests Diagram

rts.rs

344 ms

www.rts.rs

454 ms

116 ms

www.rts.rs

352 ms

font-awesome.css

11 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 82% of them (121 requests) were addressed to the original Rts.rs, 8% (12 requests) were made to Adbox.inbox-online.com and 2% (3 requests) were made to Gars.hit.gemius.pl. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rts.rs.

Page Optimization Overview & Recommendations

Page size can be reduced by 935.7 kB (43%)

Content Size

2.2 MB

After Optimization

1.3 MB

In fact, the total size of Rts.rs main page is 2.2 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 340.3 kB

  • Original 376.6 kB
  • After minification 258.4 kB
  • After compression 36.2 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 118.1 kB, which is 31% 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 340.3 kB or 90% of the original size.

Image Optimization

-19%

Potential reduce by 264.0 kB

  • Original 1.4 MB
  • After minification 1.1 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. Obviously, Rts needs image optimization as it can save up to 264.0 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 95.0 kB

  • Original 148.0 kB
  • After minification 133.8 kB
  • After compression 53.0 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 95.0 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 236.4 kB

  • Original 275.9 kB
  • After minification 216.2 kB
  • After compression 39.5 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. Rts.rs needs all CSS files to be minified and compressed as it can save up to 236.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (45%)

Requests Now

62

After Optimization

34

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rts.rs accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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.

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 valid value for its [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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

rts.rs best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rts.rs SEO score

83

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

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

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

    N/A

  • Language Claimed

    CI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rts.rs can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is . Our system also found out that Rts.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Rts. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: