Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

zukul.zukul.info

The Zukul Opportunity

Page Load Speed

590 ms in total

First Response

90 ms

Resources Loaded

351 ms

Page Rendered

149 ms

zukul.zukul.info screenshot

About Website

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Key Findings

We analyzed Zukul.zukul.info page load time and found that the first response time was 90 ms and then it took 500 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

zukul.zukul.info performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

zukul.zukul.info

90 ms

style.css

115 ms

jquery-1.8.2.js

147 ms

jquery.validate.js

121 ms

selfar.js

114 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Zukul.zukul.info, 71% (10 requests) were made to Zukul.com and 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (147 ms) relates to the external source Zukul.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 321.1 kB (73%)

Content Size

440.5 kB

After Optimization

119.4 kB

In fact, the total size of Zukul.zukul.info main page is 440.5 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. 15% of websites need less resources to load. Javascripts take 368.7 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 3.7 kB

  • Original 6.0 kB
  • After minification 5.9 kB
  • After compression 2.3 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 3.7 kB or 61% of the original size.

Image Optimization

-27%

Potential reduce by 15.3 kB

  • Original 57.3 kB
  • After minification 42.1 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, Zukul needs image optimization as it can save up to 15.3 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 295.8 kB

  • Original 368.7 kB
  • After minification 232.6 kB
  • After compression 72.9 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 295.8 kB or 80% of the original size.

CSS Optimization

-75%

Potential reduce by 6.4 kB

  • Original 8.5 kB
  • After minification 6.6 kB
  • After compression 2.1 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. Zukul.zukul.info needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (31%)

Requests Now

13

After Optimization

9

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zukul. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zukul.zukul.info accessibility score

49

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

Best Practices

zukul.zukul.info 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zukul.zukul.info SEO score

58

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

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 Zukul.zukul.info 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 Zukul.zukul.info 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 Zukul. 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: