Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 69

    SEO

    Google-friendlier than
    37% of websites

realtime.at

realtime.at - Domain Services GmbH - Your Domain Pole Position

Page Load Speed

2.4 sec in total

First Response

290 ms

Resources Loaded

2 sec

Page Rendered

175 ms

realtime.at screenshot

About Website

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Key Findings

We analyzed Realtime.at page load time and found that the first response time was 290 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

realtime.at performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

realtime.at

290 ms

www.realtime.at

221 ms

reset.css

188 ms

kooltip.css

189 ms

fonts.css

189 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 92% of them (23 requests) were addressed to the original Realtime.at, 8% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (601 ms) belongs to the original domain Realtime.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.0 kB (48%)

Content Size

797.5 kB

After Optimization

411.6 kB

In fact, the total size of Realtime.at main page is 797.5 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. 30% of websites need less resources to load. Javascripts take 364.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.9 kB

  • Original 14.8 kB
  • After minification 14.4 kB
  • After compression 3.9 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 10.9 kB or 73% of the original size.

Image Optimization

-8%

Potential reduce by 24.4 kB

  • Original 293.6 kB
  • After minification 269.3 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. Realtime images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 244.2 kB

  • Original 364.7 kB
  • After minification 364.7 kB
  • After compression 120.6 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 244.2 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 106.6 kB

  • Original 124.4 kB
  • After minification 99.3 kB
  • After compression 17.8 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. Realtime.at needs all CSS files to be minified and compressed as it can save up to 106.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Realtime. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

realtime.at accessibility score

53

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

realtime.at best practices score

77

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

realtime.at 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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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