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vladimiruspensky.com screenshot

70

Performance

Renders faster than
81% of other websites
63

Accessibility

Visual factors better than
that of 28% of websites
75

Best Practices

More advanced features
available than in
35% of websites
84

SEO

Google-friendlier than
52% of websites

First Response

68 ms

Resources Loaded

1.4 sec

Page Rendered

76 sec

vladimiruspensky.com screenshot

About Website

Welcome to vladimiruspensky.com homepage info - get ready to check Vladimir Uspensky best content right away, or after learning these important things about vladimiruspensky.com

Notes and travel

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Key Findings

We analyzed Vladimiruspensky.com page load time and found that the first response time was 68 ms and then it took 77.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

vladimiruspensky.com

68 ms

main.css

17 ms

jquery-2.1.3.min.js

48 ms

js

63 ms

imagesloaded.pkgd.min.js

19 ms

Our browser made a total of 349 requests to load all elements on the main page. We found that 89% of them (312 requests) were addressed to the original Vladimiruspensky.com, 9% (33 requests) were made to Img.youtube.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Img.youtube.com.

Content Size

66.9 MB

After Optimization

64.0 MB

In fact, the total size of Vladimiruspensky.com main page is 66.9 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. Only a small number of websites need less resources to load. Images take 66.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 320.5 kB

Original 367.8 kB
After minification 231.5 kB
After compression 47.4 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 136.3 kB, which is 37% 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 320.5 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 2.5 MB

Original 66.4 MB
After minification 63.9 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. Vladimir Uspensky images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 65.1 kB

Original 199.3 kB
After minification 199.3 kB
After compression 134.2 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 65.1 kB or 33% of the original size.

CSS Optimization

-84%

Potential reduce by 10.1 kB

Original 12.0 kB
After minification 7.3 kB
After compression 1.9 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. Vladimiruspensky.com needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 84% of the original size.

Requests Now

345

After Optimization

341

The browser has sent 345 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vladimir Uspensky. 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 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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

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 Vladimiruspensky.com 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 Vladimiruspensky.com 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

vladimiruspensky.com

Open Graph data is detected on the main page of Vladimir Uspensky. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: