Tools & Wizards About Us
certa.ru screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

certa.ru

Краска и эмаль Certa (Церта) купить на официальном сайте компании Церта в Москве и по всей России

Page Load Speed

9.9 sec in total

First Response

1.5 sec

Resources Loaded

7.9 sec

Page Rendered

460 ms

certa.ru screenshot

About Website

Welcome to certa.ru homepage info - get ready to check Certa best content for Russia right away, or after learning these important things about certa.ru

Купить краски и эмали Certa Церта оптом и в розницу на официальном сайте. Доставка по Москве и всей России. Отзывы о краске Церта на официальном сайте компании Церта.

Visit certa.ru

Key Findings

We analyzed Certa.ru page load time and found that the first response time was 1.5 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

certa.ru performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

certa.ru

1454 ms

css

85 ms

fira.css

121 ms

all.css

425 ms

fancybox.css

299 ms

Our browser made a total of 176 requests to load all elements on the main page. We found that 60% of them (105 requests) were addressed to the original Certa.ru, 16% (28 requests) were made to Web.redhelper.ru and 11% (19 requests) were made to Code.cdn.mozilla.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Certa.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (61%)

Content Size

2.6 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certa.ru main page is 2.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 50.8 kB

  • Original 62.4 kB
  • After minification 48.6 kB
  • After compression 11.6 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. This page needs HTML code to be minified as it can gain 13.8 kB, which is 22% 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 50.8 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 36.6 kB

  • Original 647.8 kB
  • After minification 611.2 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. Certa images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 609.1 kB

  • Original 892.7 kB
  • After minification 785.7 kB
  • After compression 283.6 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 609.1 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 883.5 kB

  • Original 1.0 MB
  • After minification 877.7 kB
  • After compression 120.5 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. Certa.ru needs all CSS files to be minified and compressed as it can save up to 883.5 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 110 (79%)

Requests Now

140

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 75 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

certa.ru

certa.ru

1454 ms

css

css

85 ms

fira.css

fira.css

121 ms

all.css

all.css

425 ms

fancybox.css

fancybox.css

299 ms

flexslider.css

flexslider.css

300 ms

font-awesome.min.css

font-awesome.min.css

88 ms

default.css

default.css

302 ms

default.css

default.css

300 ms

ec.default.css

ec.default.css

295 ms

orphoman.min.css

orphoman.min.css

440 ms

jquery.jgrowl.css

jquery.jgrowl.css

439 ms

default.css

default.css

440 ms

main.js

main.js

647 ms

jquery.min.js

jquery.min.js

81 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

79 ms

jquery.flexslider.js

jquery.flexslider.js

440 ms

functions.js

functions.js

440 ms

easyResponsiveTabs.js

easyResponsiveTabs.js

556 ms

tabs.min.js

tabs.min.js

567 ms

jquery-ui-tabs-rotate.js

jquery-ui-tabs-rotate.js

568 ms

bootstrap.min.js

bootstrap.min.js

569 ms

SpryDOMUtils.js

SpryDOMUtils.js

580 ms

company.js

company.js

578 ms

combobox.js

combobox.js

698 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

836 ms

layerslider.transitions.js

layerslider.transitions.js

702 ms

jquery.form.min.js

jquery.form.min.js

704 ms

scripts.js

scripts.js

714 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

716 ms

woocommerce.min.js

woocommerce.min.js

833 ms

jquery.cookie.min.js

jquery.cookie.min.js

838 ms

cart-fragments.min.js

cart-fragments.min.js

839 ms

respond.min.js

respond.min.js

850 ms

checkbox.js

checkbox.js

851 ms

jquery.easing.js

jquery.easing.js

970 ms

modernizr.custom.js

modernizr.custom.js

967 ms

jquery.dlmenu.js

jquery.dlmenu.js

975 ms

header.js

header.js

976 ms

jquery.lazyLoading.js

jquery.lazyLoading.js

987 ms

jquery.transform.js

jquery.transform.js

989 ms

effect.min.js

effect.min.js

1102 ms

effect-drop.min.js

effect-drop.min.js

992 ms

jquery.restable.js

jquery.restable.js

830 ms

odometer.js

odometer.js

832 ms

jquery.sticky.js

jquery.sticky.js

841 ms

jquery.jgrowl.css

jquery.jgrowl.css

842 ms

vc_elements_init.js

vc_elements_init.js

951 ms

woocommerce.css

woocommerce.css

821 ms

icons.css

icons.css

824 ms

reset.css

reset.css

825 ms

grid.css

grid.css

835 ms

style.css

style.css

839 ms

widgets.css

widgets.css

945 ms

portfolio.css

portfolio.css

840 ms

js_composer.css

js_composer.css

1105 ms

vc_elements.css

vc_elements.css

842 ms

js_composer_front.js

js_composer_front.js

844 ms

quickfinders_effects.js

quickfinders_effects.js

845 ms

core.min.js

core.min.js

941 ms

widget.min.js

widget.min.js

833 ms

diagram_line.js

diagram_line.js

843 ms

waypoints.min.js

waypoints.min.js

843 ms

imagesloaded.min.js

imagesloaded.min.js

845 ms

jquery.removeWhitespace.min.js

jquery.removeWhitespace.min.js

939 ms

jquery.collagePlus.min.js

jquery.collagePlus.min.js

868 ms

jquery.carouFredSel.js

jquery.carouFredSel.js

868 ms

gallery.js

gallery.js

864 ms

jquery.juraSlider.js

jquery.juraSlider.js

888 ms

portfolio.js

portfolio.js

945 ms

raphael.js

raphael.js

969 ms

diagram_circle.js

diagram_circle.js

852 ms

accordion.min.js

accordion.min.js

873 ms

widgets.js

widgets.js

867 ms

fancybox.js

fancybox.js

897 ms

jquery.fancybox-init.js

jquery.fancybox-init.js

942 ms

isotope.min.js

isotope.min.js

984 ms

default.js

default.js

870 ms

default.js

default.js

893 ms

ec.default.js

ec.default.js

889 ms

orphoman.js

orphoman.js

900 ms

jquery.jgrowl.min.js

jquery.jgrowl.min.js

939 ms

default.js

default.js

1002 ms

jquery.jgrowl.min.css

jquery.jgrowl.min.css

418 ms

colorbox.css

colorbox.css

143 ms

select2.min.css

select2.min.css

141 ms

banners-certa.jpg

banners-certa.jpg

278 ms

banners-kuzn.jpg

banners-kuzn.jpg

279 ms

banner-fasad.jpg

banner-fasad.jpg

279 ms

banners-ecozin.jpg

banners-ecozin.jpg

144 ms

question.png

question.png

273 ms

plast.png

plast.png

274 ms

image.png

image.png

283 ms

plastmi.png

plastmi.png

580 ms

4.jpg

4.jpg

722 ms

5.jpg

5.jpg

593 ms

6.jpg

6.jpg

589 ms

7.jpg

7.jpg

726 ms

1.jpg

1.jpg

589 ms

2.jpg

2.jpg

719 ms

3.jpg

3.jpg

1067 ms

4.jpg

4.jpg

1068 ms

colorbox.css

colorbox.css

601 ms

hit

hit

485 ms

sky.jpg

sky.jpg

315 ms

watch.js

watch.js

10 ms

FiraSans-Light.woff

FiraSans-Light.woff

263 ms

VTBnrK42EiOBncVyQXZ7j_OEPOIfcPv-fZ-WyMUtx48.ttf

VTBnrK42EiOBncVyQXZ7j_OEPOIfcPv-fZ-WyMUtx48.ttf

328 ms

FiraSans-UltraLight.woff

FiraSans-UltraLight.woff

326 ms

FiraSans-Hair.woff

FiraSans-Hair.woff

327 ms

FiraSans-Regular.woff

FiraSans-Regular.woff

329 ms

T3abUOg4YgfjOby2l-QudqCWcynf_cDxXwCLxiixG1c.ttf

T3abUOg4YgfjOby2l-QudqCWcynf_cDxXwCLxiixG1c.ttf

389 ms

FiraSans-Medium.woff

FiraSans-Medium.woff

329 ms

zM2u8V3CuPVwAAXFQcDi4POEPOIfcPv-fZ-WyMUtx48.ttf

zM2u8V3CuPVwAAXFQcDi4POEPOIfcPv-fZ-WyMUtx48.ttf

404 ms

FiraSans-SemiBold.woff

FiraSans-SemiBold.woff

388 ms

FiraSans-Bold.woff

FiraSans-Bold.woff

326 ms

DugPdSljmOTocZOR2CItOvOEPOIfcPv-fZ-WyMUtx48.ttf

DugPdSljmOTocZOR2CItOvOEPOIfcPv-fZ-WyMUtx48.ttf

512 ms

FiraSans-ExtraBold.woff

FiraSans-ExtraBold.woff

400 ms

FiraSans-Heavy.woff

FiraSans-Heavy.woff

401 ms

FiraSans-LightItalic.woff

FiraSans-LightItalic.woff

401 ms

6s0YCA9oCTF6hM60YM-qTUKHlodXgisC9y12ja1Qqzw.ttf

6s0YCA9oCTF6hM60YM-qTUKHlodXgisC9y12ja1Qqzw.ttf

459 ms

FiraSans-UltraLightItalic.woff

FiraSans-UltraLightItalic.woff

400 ms

FiraSans-HairItalic.woff

FiraSans-HairItalic.woff

401 ms

FiraSans-Italic.woff

FiraSans-Italic.woff

458 ms

QURAmFz4b80g324-oF-Uj5p-63r6doWhTEbsfBIRJ7A.ttf

QURAmFz4b80g324-oF-Uj5p-63r6doWhTEbsfBIRJ7A.ttf

460 ms

FiraSans-MediumItalic.woff

FiraSans-MediumItalic.woff

456 ms

6s0YCA9oCTF6hM60YM-qTRosLIfq8hgJJfydkj-GZ_g.ttf

6s0YCA9oCTF6hM60YM-qTRosLIfq8hgJJfydkj-GZ_g.ttf

459 ms

FiraSans-SemiBoldItalic.woff

FiraSans-SemiBoldItalic.woff

453 ms

FiraSans-BoldItalic.woff

FiraSans-BoldItalic.woff

454 ms

6s0YCA9oCTF6hM60YM-qTfESSnubz54PGTGNFQfuRjc.ttf

6s0YCA9oCTF6hM60YM-qTfESSnubz54PGTGNFQfuRjc.ttf

456 ms

FiraSans-ExtraBoldItalic.woff

FiraSans-ExtraBoldItalic.woff

457 ms

FiraSans-HeavyItalic.woff

FiraSans-HeavyItalic.woff

454 ms

scalia-icons.woff

scalia-icons.woff

229 ms

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Fl4y0QdOxyyTHEGMXX8kcaCWcynf_cDxXwCLxiixG1c.ttf

399 ms

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453 ms

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B85vmdvDILX92ray16e-1g.ttf

454 ms

oHi30kwQWvpCWqAhzHcCSKCWcynf_cDxXwCLxiixG1c.ttf

oHi30kwQWvpCWqAhzHcCSKCWcynf_cDxXwCLxiixG1c.ttf

455 ms

b9QBgL0iMZfDSpmcXcE8nH2Kqn9Vte1TGXY0ojLIJME.ttf

b9QBgL0iMZfDSpmcXcE8nH2Kqn9Vte1TGXY0ojLIJME.ttf

456 ms

Zd2E9abXLFGSr9G3YK2MsNbQxvdFQproHqwx84HIuqM.ttf

Zd2E9abXLFGSr9G3YK2MsNbQxvdFQproHqwx84HIuqM.ttf

457 ms

analytics.js

analytics.js

252 ms

jquery.jgrowl.min.js

jquery.jgrowl.min.js

223 ms

hit

hit

145 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

149 ms

jquery.colorbox-ru.js

jquery.colorbox-ru.js

150 ms

select2.min.js

select2.min.js

147 ms

ru.js

ru.js

160 ms

main.js

main.js

420 ms

start

start

453 ms

overlay.png

overlay.png

141 ms

jquery-new.min.js

jquery-new.min.js

271 ms

nowch

nowch

141 ms

main.js

main.js

810 ms

b15db522-270e-4df1-9183-29076192ca72.png

b15db522-270e-4df1-9183-29076192ca72.png

88 ms

mac.css

mac.css

180 ms

Ava_default.png

Ava_default.png

174 ms

288 ms

mail_large.png

mail_large.png

129 ms

main.js

main.js

404 ms

jquery.min.js

jquery.min.js

263 ms

mac.css

mac.css

129 ms

ga.js

ga.js

153 ms

common.css

common.css

384 ms

549630

549630

260 ms

connector.html

connector.html

138 ms

connector.html

connector.html

134 ms

components.png

components.png

149 ms

upload.html

upload.html

222 ms

onlineBack.png

onlineBack.png

167 ms

offlineBack.png

offlineBack.png

168 ms

buttons.png

buttons.png

241 ms

throbber.gif

throbber.gif

256 ms

send.png

send.png

263 ms

clip.png

clip.png

263 ms

icons.png

icons.png

347 ms

connector-frame.css

connector-frame.css

511 ms

connector.js

connector.js

934 ms

Accessibility Review

certa.ru accessibility score

67

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

certa.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

certa.ru SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Certa.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 Certa.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

certa.ru

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