Access ott.ru. ФГБНУ "НИИ АГиР им.Д.О.Отта"

name

value

score

weighting

FCP (First Contentful Paint)

Value15.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.1 s

0/100

25%

SI (Speed Index)

Value20.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,590 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

ott.ru

505 ms

ott.ru

1046 ms

jquery-3.3.1.min.js

236 ms

jquery-ui.min.js

587 ms

jquery-ui.min.css

363 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 83% of them (104 requests) were addressed to the original Ott.ru, 3% (4 requests) were made to Nok.minzdrav.gov.ru and 2% (3 requests) were made to Pos.gosuslugi.ru. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Ott.ru.

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Ott.ru main page is 1.6 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. 65% of websites need less resources to load. Javascripts take 750.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 39.4 kB

Original 50.9 kB
After minification 50.7 kB
After compression 11.4 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. 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 39.4 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 86.0 kB

Original 711.2 kB
After minification 625.2 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. Obviously, Ott needs image optimization as it can save up to 86.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-28%

Potential reduce by 211.6 kB

Original 750.9 kB
After minification 750.9 kB
After compression 539.3 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 211.6 kB or 28% of the original size.

CSS Optimization

-26%

Potential reduce by 15.3 kB

Original 58.8 kB
After minification 58.8 kB
After compression 43.5 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. Ott.ru needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 26% of the original size.

Requests Now

115

After Optimization

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ott. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 23 to 1 for CSS 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

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

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 Ott.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 Ott.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

ott.ru

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

Report Summary

Performance

Accessibility

Best Practices

SEO

ФГБНУ "НИИ АГиР им.Д.О.Отта" :: Главная

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

ott.ru

ott.ru

jquery-3.3.1.min.js

jquery-ui.min.js

jquery-ui.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ott.ru

ott.ru

jquery-3.3.1.min.js

jquery-ui.min.js

jquery-ui.min.css

script.js

jquery-ui-datepicker-ru.js

jquery-ui-datepicker-opts.js

jquery.maskedinput.min.js

modernizr.js

schedule.js

schedule.css

jquery.form.min-3.51.js

jquery-blockUI-2.7.js

jquery.mapify.css

remodal.min.js

remodal.css

remodal-default-theme.css

TimeCircles.js

TimeCircles.css

api.js

jquery.compiled.min.js

guest.js

jquery.fancybox.min.css

i18n.ru.js

__common.js

common.css

personalii.css

administration.css

price.css

jquery.colorbox-min.js

owl.carousel.js

jquery.jscrollpane.min.js

jquery.mCustomScrollbar.concat.min.js

jquery.cbpNTAccordion.min.js

jquery.montage.min.js

MooTools-Core-1.6.0.js

online_request.js

plusone.js

script.min.js

online_request.css

reset.css

fonts.css