Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

serbiancourses.com

Serbian Language Courses made with Love and Expertise A1-C2

Page Load Speed

14.9 sec in total

First Response

322 ms

Resources Loaded

14 sec

Page Rendered

547 ms

serbiancourses.com screenshot

About Website

Welcome to serbiancourses.com homepage info - get ready to check Serbian Courses best content right away, or after learning these important things about serbiancourses.com

All you need to learn Serbian online: self-study Serbian language courses and live lessons with a world-class teacher. Free and premium content at your fingertips

Visit serbiancourses.com

Key Findings

We analyzed Serbiancourses.com page load time and found that the first response time was 322 ms and then it took 14.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

serbiancourses.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

serbiancourses.com

322 ms

www.serbiancourses.com

512 ms

javascript;base64,V2ViRm9udENvbmZpZz17Z29vZ2xlOntmYW1pbGllczpbIlJvYm90byBDb25kZW5zZWQ6NDAwLDMwMCwzMDBpdGFsaWMsNDAwaXRhbGljLDcwMCw3MDBpdGFsaWM6bGF0aW4sY3lyaWxsaWMtZXh0LGxhdGluLWV4dCxncmVlay1leHQsY3lyaWxsaWMsZ3JlZWssdmlldG5hbWVzZSIsIk9wZW4gU2Fuczo0MDAsNzAwIiwiUFQgU2VyaWY6NDAwLDQwMGl0YWxpYyw3MDAsNzAwaXRhbGljOmxhdGluLGN5cmlsbGljIiwiT3JlZ2FubyIsIlVua2VtcHQiXX19O2lmKHR5cGVvZiBXZWJGb250PT09Im9iamVjdCImJnR5cGVvZiBXZWJGb250LmxvYWQ9PT0iZnVuY3Rpb24iKXtXZWJGb250LmxvYWQoV2ViRm9udENvbmZpZyl9

5 ms

webfontloader.min.js

28 ms

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

5 ms

Our browser made a total of 185 requests to load all elements on the main page. We found that 56% of them (103 requests) were addressed to the original Serbiancourses.com, 26% (49 requests) were made to Fonts.gstatic.com and 11% (20 requests) were made to . The less responsive or slowest element that took the longest time to load (862 ms) belongs to the original domain Serbiancourses.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.7 kB (15%)

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Serbiancourses.com main page is 1.4 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 846.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 178.3 kB

  • Original 220.4 kB
  • After minification 220.3 kB
  • After compression 42.1 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 178.3 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 32.0 kB

  • Original 846.5 kB
  • After minification 814.5 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. Serbian Courses images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 4.1 kB

  • Original 308.2 kB
  • After minification 308.2 kB
  • After compression 304.1 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

-0%

Potential reduce by 256 B

  • Original 71.2 kB
  • After minification 71.2 kB
  • After compression 70.9 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. Serbiancourses.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 91 (82%)

Requests Now

111

After Optimization

20

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serbian Courses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 45 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

serbiancourses.com 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

serbiancourses.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

serbiancourses.com SEO score

86

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Serbiancourses.com 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 Serbiancourses.com 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 Serbian Courses. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: