Report Summary

  • 41

    Performance

    Renders faster than
    61% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

20th.su

СССР - Ностальгия и воспоминания

Page Load Speed

6.1 sec in total

First Response

708 ms

Resources Loaded

3.1 sec

Page Rendered

2.3 sec

20th.su screenshot

About Website

Welcome to 20th.su homepage info - get ready to check 20 Th best content for Russia right away, or after learning these important things about 20th.su

Ретро ностальгия по СССР. Воспоминания рожденных в СССР людей. Вспомни СССР, наше детство и молодость в Советском Союзе. Музей истории СССР 20-й век.

Visit 20th.su

Key Findings

We analyzed 20th.su page load time and found that the first response time was 708 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

20th.su performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

20th.su

708 ms

style.css

346 ms

postratings-css.css

232 ms

pagenavi-css.css

241 ms

hovereffect.css

241 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 70% of them (53 requests) were addressed to the original 20th.su, 7% (5 requests) were made to Googleads.g.doubleclick.net and 7% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (933 ms) belongs to the original domain 20th.su.

Page Optimization Overview & Recommendations

Page size can be reduced by 442.9 kB (37%)

Content Size

1.2 MB

After Optimization

764.1 kB

In fact, the total size of 20th.su main page is 1.2 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. 45% of websites need less resources to load. Images take 697.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 283.3 kB

  • Original 338.9 kB
  • After minification 336.7 kB
  • After compression 55.6 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 283.3 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 67.7 kB

  • Original 697.2 kB
  • After minification 629.4 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. 20 Th images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 66.4 kB

  • Original 140.0 kB
  • After minification 138.3 kB
  • After compression 73.5 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 66.4 kB or 47% of the original size.

CSS Optimization

-82%

Potential reduce by 25.4 kB

  • Original 31.0 kB
  • After minification 20.1 kB
  • After compression 5.6 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. 20th.su needs all CSS files to be minified and compressed as it can save up to 25.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (47%)

Requests Now

73

After Optimization

39

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 20 Th. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

20th.su accessibility score

63

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

20th.su best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

20th.su SEO score

64

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

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 20th.su 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 20th.su 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 20 Th. 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: