Access a383.ru. Аврора - системы безопасности и видеонаблюдения в Новосибирске

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value2,980 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

a383.ru

470 ms

www.a383.ru

929 ms

www.a383.ru

2083 ms

kernel_main.css

338 ms

page_373f1858a7af77903c89e7bbbe1dcf7a.css

415 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 70% of them (51 requests) were addressed to the original A383.ru, 12% (9 requests) were made to Img.youtube.com and 5% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain A383.ru.

Content Size

3.0 MB

After Optimization

2.4 MB

In fact, the total size of A383.ru main page is 3.0 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. 50% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 365.9 kB

Original 407.8 kB
After minification 321.0 kB
After compression 41.9 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 86.8 kB, which is 21% 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 365.9 kB or 90% of the original size.

Image Optimization

-6%

Potential reduce by 125.7 kB

Original 2.0 MB
After minification 1.8 MB

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. A 383 images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 96.3 kB

Original 537.9 kB
After minification 537.9 kB
After compression 441.6 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 96.3 kB or 18% of the original size.

CSS Optimization

-22%

Potential reduce by 26.1 kB

Original 116.3 kB
After minification 116.3 kB
After compression 90.3 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. A383.ru needs all CSS files to be minified and compressed as it can save up to 26.1 kB or 22% of the original size.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A 383. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 IDs are not unique

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.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Displays images with incorrect aspect ratio

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 A383.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 A383.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

a383.ru

Open Graph description is not detected on the main page of A 383. 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

Аврора - системы безопасности и видеонаблюдения в Новосибирске

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

a383.ru

www.a383.ru

www.a383.ru

kernel_main.css

page_373f1858a7af77903c89e7bbbe1dcf7a.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

a383.ru

www.a383.ru

www.a383.ru

kernel_main.css

page_373f1858a7af77903c89e7bbbe1dcf7a.css

template_ce9e2167643a1abdc042a34a3bf5ff1f.css

media.css

kernel_main.js

core_db.min.js

core_frame_cache.min.js

template_6e86e98c3183e7bb0f62a3f03329d596.js

page_cb387e32f87284847171018ec12b4820.js

html5shiv.js

selectivizr-min.js

cb90b23bab.js

platform.js

pushy.min.js

callback.min.js

logo.png

preloader.jpg

youtube-v2.dd798fbf.svg

captcha.php

openapi.a2ed73393cad04481c1dfb3f7794921f.js

tag.js

lupa_blue.png

preload.gif

hqdefault.jpg

7f2abfaaa1e4ef5cb9b3ac8c03c87968.jpg

409d23ccf5d48416e94b12c49f75ae04.jpg

a7492b8933f2fc07ea1d702cae2942f9.png

c2f66ca4871610faf03131f5674dbe90.jpg

f57ad562ddfc6749bcc8e0807b3a41b2.jpg

fc95f2ad2f16fd74cfe2492e16861adb.jpg

af6bc8ce0770c8dfbb6dd26db1172062.png

2638ac4a22cd8b0d25ac3e31bbb30df8.png

2e10d20e48e2bb8a4898abb5fe127632.jpg

479f2e018816bab56093ed1c4627c865.png

6ed94f9f409c5aecfdf498a5e40db547.png

4530e0fd4bdaa1a3eb56c7f8ea91c455.png

bd3bdc8d5000f81bcf50114598bde6ab.jpg

hqdefault.jpg

ba.js

cb90b23bab.css