Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

zaval.org

Welcome to Zaval.org -- Home of Creative Engineering

Page Load Speed

1.5 sec in total

First Response

490 ms

Resources Loaded

901 ms

Page Rendered

143 ms

zaval.org screenshot

About Website

Visit zaval.org now to see the best up-to-date Zaval content and also check out these interesting facts you probably never knew about zaval.org

Visit zaval.org

Key Findings

We analyzed Zaval.org page load time and found that the first response time was 490 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

zaval.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

zaval.org

490 ms

core.css

98 ms

index0_01.gif

190 ms

index0_02.gif

193 ms

index0_03.gif

195 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Zaval.org and no external sources were called. The less responsive or slowest element that took the longest time to load (490 ms) belongs to the original domain Zaval.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.6 kB (77%)

Content Size

22.8 kB

After Optimization

5.2 kB

In fact, the total size of Zaval.org main page is 22.8 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. Only 10% of websites need less resources to load. HTML takes 19.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 16.0 kB

  • Original 19.0 kB
  • After minification 15.8 kB
  • After compression 3.0 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. This page needs HTML code to be minified as it can gain 3.2 kB, which is 17% 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 16.0 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 101 B

  • Original 2.0 kB
  • After minification 1.9 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. Zaval images are well optimized though.

CSS Optimization

-84%

Potential reduce by 1.6 kB

  • Original 1.9 kB
  • After minification 1.6 kB
  • After compression 306 B

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. Zaval.org needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zaval. According to our analytics all requests are already optimized.

Accessibility Review

zaval.org accessibility score

87

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

Best Practices

zaval.org best practices score

75

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

SEO Factors

zaval.org SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zaval.org 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 Zaval.org main page’s claimed encoding is iso-8859-1. 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 description is not detected on the main page of Zaval. 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: