Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

airdisaster.ru

AirDisaster.ru - авиационные происшествия, инциденты и авиакатастрофы в СССР и России - факты, история, статистика

Page Load Speed

5.5 sec in total

First Response

481 ms

Resources Loaded

4.9 sec

Page Rendered

98 ms

airdisaster.ru screenshot

About Website

Welcome to airdisaster.ru homepage info - get ready to check Air Disaster best content for Russia right away, or after learning these important things about airdisaster.ru

AirDisaster.ru - авиационные происшествия, инциденты и авиакатастрофы в СССР и России - факты, история, статистика

Visit airdisaster.ru

Key Findings

We analyzed Airdisaster.ru page load time and found that the first response time was 481 ms and then it took 5 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

airdisaster.ru performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

airdisaster.ru

481 ms

airdisaster.ru

2786 ms

styles.css

557 ms

style.css

584 ms

milonic_src.js

585 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 82% of them (14 requests) were addressed to the original Airdisaster.ru, 6% (1 request) were made to Site.yandex.net and 6% (1 request) were made to Yastatic.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Airdisaster.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.4 kB (27%)

Content Size

95.3 kB

After Optimization

69.9 kB

In fact, the total size of Airdisaster.ru main page is 95.3 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. Javascripts take 65.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.6 kB

  • Original 27.9 kB
  • After minification 27.2 kB
  • After compression 6.3 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 21.6 kB or 77% of the original size.

JavaScript Optimization

-6%

Potential reduce by 3.6 kB

  • Original 65.0 kB
  • After minification 65.0 kB
  • After compression 61.4 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

-9%

Potential reduce by 218 B

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 2.2 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. Airdisaster.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Disaster. 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 Review

airdisaster.ru accessibility score

67

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

airdisaster.ru best practices score

58

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

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

airdisaster.ru SEO score

67

Search Engine Optimization Advices

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

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airdisaster.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 Airdisaster.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 Air Disaster. 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: