Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

sulko.co

Studio of Taulant Sulko

Page Load Speed

715 ms in total

First Response

48 ms

Resources Loaded

265 ms

Page Rendered

402 ms

sulko.co screenshot

About Website

Welcome to sulko.co homepage info - get ready to check Sulko best content for United States right away, or after learning these important things about sulko.co

Freelance Brand & Interaction Designer working and living in Toronto.

Visit sulko.co

Key Findings

We analyzed Sulko.co page load time and found that the first response time was 48 ms and then it took 667 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

sulko.co performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.345

32/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

sulko.co

48 ms

fonts.css

10 ms

bootstrap.css

27 ms

animsition.min.css

23 ms

main.css

29 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 92% of them (33 requests) were addressed to the original Sulko.co, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (91 ms) belongs to the original domain Sulko.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 508.3 kB (41%)

Content Size

1.2 MB

After Optimization

726.7 kB

In fact, the total size of Sulko.co main page is 1.2 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. 60% of websites need less resources to load. Images take 713.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 19.0 kB

  • Original 22.5 kB
  • After minification 19.5 kB
  • After compression 3.6 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 3.0 kB, which is 13% 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 19.0 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 126.5 kB

  • Original 713.2 kB
  • After minification 586.7 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, Sulko needs image optimization as it can save up to 126.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 283.9 kB

  • Original 407.8 kB
  • After minification 402.8 kB
  • After compression 123.9 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 283.9 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 79.0 kB

  • Original 91.5 kB
  • After minification 83.2 kB
  • After compression 12.5 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. Sulko.co needs all CSS files to be minified and compressed as it can save up to 79.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (29%)

Requests Now

31

After Optimization

22

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sulko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sulko.co accessibility score

45

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

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

sulko.co 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sulko.co SEO score

80

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

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sulko.co 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Sulko.co main page’s claimed encoding is . 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 data is detected on the main page of Sulko. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: