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name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

iamdubna.ru

341 ms

bootstrap.css

286 ms

site.css

109 ms

jquery.js

346 ms

yii.js

16 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Iamdubna.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (346 ms) belongs to the original domain Iamdubna.ru.

Content Size

56.9 kB

After Optimization

29.0 kB

In fact, the total size of Iamdubna.ru main page is 56.9 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. 20% of websites need less resources to load. HTML takes 31.0 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 21.9 kB

Original 31.0 kB
After minification 31.0 kB
After compression 9.1 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 21.9 kB or 71% of the original size.

CSS Optimization

-23%

Potential reduce by 6.1 kB

Original 26.0 kB
After minification 20.2 kB
After compression 19.9 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. Iamdubna.ru needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iamdubna. According to our analytics all requests are already optimized.

Accessibility Issues

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

RU
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iamdubna.ru 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 Iamdubna.ru 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 Iamdubna. 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: