Access cb23.ru. Cb23.ru - автомобильный портал

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

65/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

cb23.ru

596 ms

js_df628688dd3f5eff7c1ca22c3a3107a2.js

137 ms

style.css

243 ms

engine.css

253 ms

do_ajax.js

260 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 96% of them (53 requests) were addressed to the original Cb23.ru, 2% (1 request) were made to Mc.yandex.ru and 2% (1 request) were made to Acint.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cb23.ru.

Content Size

1.3 MB

After Optimization

1.3 MB

In fact, the total size of Cb23.ru main page is 1.3 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 40.4 kB

Original 48.0 kB
After minification 46.2 kB
After compression 7.6 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 40.4 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 4.9 kB

Original 1.2 MB
After minification 1.2 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. Cb23 images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 2.9 kB

Original 31.9 kB
After minification 31.9 kB
After compression 29.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 3.6 kB

Original 16.7 kB
After minification 16.7 kB
After compression 13.1 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. Cb23.ru needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 22% of the original size.

Requests Now

After Optimization

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cb23. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

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

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cb23.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 Cb23.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cb23.ru

Open Graph description is not detected on the main page of Cb23. 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

Cb23.ru - автомобильный портал

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

cb23.ru

js_df628688dd3f5eff7c1ca22c3a3107a2.js

style.css

engine.css

do_ajax.js

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

cb23.ru

js_df628688dd3f5eff7c1ca22c3a3107a2.js

style.css

engine.css

do_ajax.js

loading.gif

logo.png

spacer.gif

naverh.png

watch.js

bg01.png

blackwave.png

navi.png

kak-pokrasit-avtomobil-pod-kapotom.jpg

hover.png

white-button.png

view.png

patrubok-vozdushnogo-filtra-chto-delat-pri-poryve-zamaslivanii-video.jpg

kak-sdelat-i-ustanovit-pnevmopodvesku-svoimi-rukami.jpg

mazda-cx3-2017-tsena-i-kharakteristiki.jpg

kak-vybrat-svechi-zazhiganiya.jpg

avtoelektrika-svoimi-rukami-osnovnye-priemy-i-pravila-raboty-video.jpg

aci.js

greentitle.png

w30.png

side.png

zamena-masla-v-mkpp-khenday-solyaris-kak-proverit-maslo-v-korobke-solyaris.jpg

mitsubishi-mirage-g4-kharakteristiki-stoimost.jpg

zamena-perednikh-i-zadnikh-tormoznykh-kolodok-na-vaz-2110-2111-i-2112-svoimi-rukami.jpg

kak-sdelat-sostav-vd-40-svoimi-rukami-prakticheskoe-rukovodstvo.jpg

dvigatel-lada-largus-osobennosti-kharakteristiki-ispolzovanie-tyuning.jpg

kak-otklyuchit-peredniy-most-na-nive-obyasnyaem-pokazyvaem-i-daem-sovety.jpg

risunok-protektora-letnikh-shin-kakoy-risunok-luchshe-letom.jpg

browntitle.png

remont-i-obsluzhivanie-sistemy-pitaniya-avtomobilya.jpg

zamena-i-remont-radiatora-pechki-na-avto-vaz2101.jpg

kak-provodit-garantiynyy-remont-avtomobilya.jpg

ustroystvo-vtyagivayushchego-rele-startera-i-ego-zamena-video.jpg

vheader.png

karbyurator-vaz-21099-znakomimsya-s-osobennostyami-ustroystva-video.jpg

sistema-pitaniya-dizelnogo-dvigatelya-ustroystvo-diagnostika-remont-video.jpg

ochistitel-konditsionera-dlya-avto-podkhody-k-ochistke-video.jpg

semnaya-tonirovka-stekol-avtomobilya-vremennyy-komfort-video.jpg