Access nulls.ru. Российская Недвижимость

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value2,680 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

nulls.ru

1234 ms

rn.ru

2201 ms

bootstrap.min.css

875 ms

bootstrap-theme.min.css

781 ms

style.css

840 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Nulls.ru, 46% (36 requests) were made to Cdn.pdo.ru and 12% (9 requests) were made to Cdn.rn.ru. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Rn.ru.

Content Size

453.5 kB

After Optimization

298.2 kB

In fact, the total size of Nulls.ru main page is 453.5 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. 30% of websites need less resources to load. Javascripts take 225.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 57.0 kB

Original 69.4 kB
After minification 56.1 kB
After compression 12.4 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. This page needs HTML code to be minified as it can gain 13.3 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 57.0 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 3.3 kB

Original 101.9 kB
After minification 98.7 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. Nulls images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 81.1 kB

Original 225.7 kB
After minification 225.7 kB
After compression 144.6 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 81.1 kB or 36% of the original size.

CSS Optimization

-25%

Potential reduce by 13.9 kB

Original 56.5 kB
After minification 56.5 kB
After compression 42.6 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. Nulls.ru needs all CSS files to be minified and compressed as it can save up to 13.9 kB or 25% of the original size.

Requests Now

After Optimization

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nulls. 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 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

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

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

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

N/A
Encoding

UTF-8

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

nulls.ru

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

Российская Недвижимость

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

nulls.ru

rn.ru

bootstrap.min.css

bootstrap-theme.min.css

style.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

nulls.ru

rn.ru

bootstrap.min.css

bootstrap-theme.min.css

style.css

font-awesome.min.css

jquery-ui.css

common.css

css

rn.css

swfobject.js

mycarousel.css

lightbox.min.css

jquery.min.js

jquery-ui.js

bootstrap.min.js

jquery.reject.js

jquery.maskedinput.min.js

jquery.cookie.js

scroll_right_banner.js

rn-common.js

adx.js

jquery.bxslider.css

jquery.bxslider.min.js

34594.jpg

logo_mini.svg

logo-rn.svg

del.gif

del.gif

rn_bw.gif

vkontakte.png

odnoklassniki.png

bizon16.png

s2s_mini.png

pdo_mini.png

bizon_mini.png

logo_sif.png

logo_rdiscont.png

logo_les.png

logo_mt.png

logo_mb.png

rn_bw2.gif

counter_li.png