Tools & Wizards About Us
nadisa.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

nadisa.org

Прогноз землетрясений по методу О.В. Мартынова | Earthquake prediction by the method of O.V.Martynov

Page Load Speed

3.9 sec in total

First Response

392 ms

Resources Loaded

3.3 sec

Page Rendered

249 ms

nadisa.org screenshot

About Website

Welcome to nadisa.org homepage info - get ready to check Nadisa best content for Russia right away, or after learning these important things about nadisa.org

Наблюдение за текущей сейсмической обстановкой. Оперативный обмен информацией. Физическая концепция для прогнозирования землетрясений, стихийных бедствий и получения энергии.

Visit nadisa.org

Key Findings

We analyzed Nadisa.org page load time and found that the first response time was 392 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

nadisa.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

nadisa.org

392 ms

nadisa.org

620 ms

style.css

118 ms

autoptimize_single_04ae733479c5d68f32b2bdfd595d3e86.js

520 ms

autoptimize_single_a005aa43a4aacc38fc91935db34eae25.js

718 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 58% of them (48 requests) were addressed to the original Nadisa.org, 12% (10 requests) were made to and 6% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Counter.rambler.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.1 kB (24%)

Content Size

547.5 kB

After Optimization

416.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nadisa.org main page is 547.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 334.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 48.1 kB

  • Original 66.2 kB
  • After minification 63.2 kB
  • After compression 18.2 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 48.1 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 2.0 kB

  • Original 56.4 kB
  • After minification 54.4 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. Nadisa images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 76.6 kB

  • Original 334.3 kB
  • After minification 334.3 kB
  • After compression 257.7 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 76.6 kB or 23% of the original size.

CSS Optimization

-5%

Potential reduce by 4.5 kB

  • Original 90.6 kB
  • After minification 90.6 kB
  • After compression 86.1 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. Nadisa.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (65%)

Requests Now

62

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nadisa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nadisa.org

nadisa.org

392 ms

nadisa.org

nadisa.org

620 ms

style.css

style.css

118 ms

autoptimize_single_04ae733479c5d68f32b2bdfd595d3e86.js

autoptimize_single_04ae733479c5d68f32b2bdfd595d3e86.js

520 ms

autoptimize_single_a005aa43a4aacc38fc91935db34eae25.js

autoptimize_single_a005aa43a4aacc38fc91935db34eae25.js

718 ms

language-selector.css

language-selector.css

717 ms

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top100.jcn

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nadisa

nadisa

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autoptimize_single_90836c9db8c393628d714c07701fa69b.js

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autoptimize_single_e7a2cd6c01e16cfd00ddbac4b19fd14c.js

autoptimize_single_e7a2cd6c01e16cfd00ddbac4b19fd14c.js

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core.min.js

core.min.js

956 ms

mouse.min.js

mouse.min.js

990 ms

draggable.min.js

draggable.min.js

991 ms

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watch.js

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base.js

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Create

Create

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code.js

code.js

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w.uptolike.com

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counter

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dyn-goal-config.js

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GenerateIT

GenerateIT

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Accessibility Review

nadisa.org accessibility score

85

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

nadisa.org best practices score

67

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nadisa.org SEO score

71

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nadisa.org can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Nadisa.org 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

nadisa.org

Open Graph description is not detected on the main page of Nadisa. 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: