Access zvzd3d.ru. Звездчатый многогранник, трехмерные модели многогранников

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.415

23/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

zvzd3d.ru

532 ms

zvzd3d.ru

836 ms

OM32_340.png

262 ms

vk_icon.png

560 ms

cut_model.png

561 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Zvzd3d.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Zvzd3d.ru.

Content Size

71.9 kB

After Optimization

52.7 kB

In fact, the total size of Zvzd3d.ru main page is 71.9 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 5% of websites need less resources to load. Images take 51.3 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 14.0 kB

Original 20.6 kB
After minification 20.5 kB
After compression 6.5 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 14.0 kB or 68% of the original size.

Image Optimization

-10%

Potential reduce by 5.2 kB

Original 51.3 kB
After minification 46.2 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. Zvzd 3 D images are well optimized though.

Requests Now

After Optimization

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zvzd 3 D. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zvzd3d.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Zvzd3d.ru main page’s claimed encoding is windows-1251. 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 Zvzd 3 D. 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: