Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

web-labs.rs

Web Labs - Software development & consulting

Page Load Speed

3.8 sec in total

First Response

398 ms

Resources Loaded

2.6 sec

Page Rendered

805 ms

web-labs.rs screenshot

About Website

Welcome to web-labs.rs homepage info - get ready to check Web Labs best content right away, or after learning these important things about web-labs.rs

Founded in 2011, Web Labs is a Serbian company specializing in web, mobile app, custom software development, and consulting.

Visit web-labs.rs

Key Findings

We analyzed Web-labs.rs page load time and found that the first response time was 398 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

web-labs.rs performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value24.9 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,810 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

web-labs.rs

398 ms

web-labs.rs

546 ms

css

37 ms

style.min.css

101 ms

style.css

200 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 81% of them (59 requests) were addressed to the original Web-labs.rs, 11% (8 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (990 ms) belongs to the original domain Web-labs.rs.

Page Optimization Overview & Recommendations

Page size can be reduced by 148.1 kB (3%)

Content Size

4.9 MB

After Optimization

4.8 MB

In fact, the total size of Web-labs.rs main page is 4.9 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. 70% of websites need less resources to load. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 87.5 kB

  • Original 104.5 kB
  • After minification 99.6 kB
  • After compression 17.0 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 87.5 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 52.7 kB

  • Original 4.6 MB
  • After minification 4.5 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. Web Labs images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.7 kB

  • Original 172.0 kB
  • After minification 172.0 kB
  • After compression 167.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 3.1 kB

  • Original 92.1 kB
  • After minification 91.6 kB
  • After compression 89.0 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. Web-labs.rs has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (39%)

Requests Now

61

After Optimization

37

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web Labs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

web-labs.rs accessibility score

85

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.

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

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

web-labs.rs best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

web-labs.rs SEO score

100

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Web-labs.rs can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Web-labs.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 Web Labs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: