Tools & Wizards About Us

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

0a1.eu

Publish your App or Game with us! Apple iOS Producer and Publisher

Page Load Speed

23.3 sec in total

First Response

660 ms

Resources Loaded

21.9 sec

Page Rendered

711 ms

About Website

Visit 0a1.eu now to see the best up-to-date 0 A 1 content and also check out these interesting facts you probably never knew about 0a1.eu

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Key Findings

We analyzed 0a1.eu page load time and found that the first response time was 660 ms and then it took 22.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

0a1.eu performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.7 s

70/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

0a1.eu

660 ms

0a1.eu

444 ms

css

35 ms

aos.css

289 ms

bootstrap.min.css

406 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 66% of them (49 requests) were addressed to the original 0a1.eu, 24% (18 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.9 kB (0%)

Content Size

15.8 MB

After Optimization

15.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 0a1.eu main page is 15.8 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 15.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 27.2 kB

  • Original 33.1 kB
  • After minification 26.3 kB
  • After compression 5.9 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 6.8 kB, which is 21% 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 27.2 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 31.7 kB

  • Original 15.5 MB
  • After minification 15.5 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. 0 A 1 images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.8 kB

  • Original 181.9 kB
  • After minification 181.9 kB
  • After compression 180.1 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

-3%

Potential reduce by 2.2 kB

  • Original 72.6 kB
  • After minification 72.6 kB
  • After compression 70.4 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. 0a1.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (38%)

Requests Now

50

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 0 A 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

0a1.eu accessibility score

81

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

0a1.eu best practices score

92

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

Page has valid source maps

SEO Factors

0a1.eu SEO score

92

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

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 0a1.eu 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 0a1.eu 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 0 A 1. 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: