Tools & Wizards About Us
vrnlab.ru screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

vrnlab.ru

Учебное оборудование, лабораторные стенды, плакаты для ВУЗов, школ, колледжей, учебных заведений

Page Load Speed

7.1 sec in total

First Response

523 ms

Resources Loaded

5.9 sec

Page Rendered

716 ms

vrnlab.ru screenshot

About Website

Visit vrnlab.ru now to see the best up-to-date Vrnlab content for Russia and also check out these interesting facts you probably never knew about vrnlab.ru

Купить учебную технику, учебное оборудование, наглядные пособия, оснащение учебных лабораторий, лабораторные стенды. Доставка по Москве, России, СНГ. Подробнее по телефону: +7 (473) 200-15-80

Visit vrnlab.ru

Key Findings

We analyzed Vrnlab.ru page load time and found that the first response time was 523 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

vrnlab.ru performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value3,010 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

vrnlab.ru

523 ms

www.vrnlab.ru

399 ms

www.vrnlab.ru

569 ms

vrnlab.ru

1649 ms

tag.js

957 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 90% of them (64 requests) were addressed to the original Vrnlab.ru, 3% (2 requests) were made to Mc.yandex.com and 1% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vrnlab.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 268.8 kB (33%)

Content Size

802.5 kB

After Optimization

533.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vrnlab.ru main page is 802.5 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. 50% of websites need less resources to load. Images take 361.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 241.8 kB

  • Original 279.9 kB
  • After minification 202.4 kB
  • After compression 38.0 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 77.5 kB, which is 28% 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 241.8 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 3.7 kB

  • Original 361.2 kB
  • After minification 357.5 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. Vrnlab images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 85.3 kB
  • After minification 85.3 kB
  • After compression 85.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-31%

Potential reduce by 23.2 kB

  • Original 76.1 kB
  • After minification 68.6 kB
  • After compression 52.8 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. Vrnlab.ru needs all CSS files to be minified and compressed as it can save up to 23.2 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (57%)

Requests Now

67

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vrnlab. 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 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vrnlab.ru

vrnlab.ru

523 ms

www.vrnlab.ru

www.vrnlab.ru

399 ms

www.vrnlab.ru

www.vrnlab.ru

569 ms

vrnlab.ru

vrnlab.ru

1649 ms

tag.js

tag.js

957 ms

js

js

78 ms

hit

hit

546 ms

fontawesome4-compat.min.css

fontawesome4-compat.min.css

276 ms

pagination.css

pagination.css

412 ms

style.min.css

style.min.css

555 ms

styles.css

styles.css

419 ms

magnific-popup.min.css

magnific-popup.min.css

418 ms

style.css

style.css

417 ms

woocommerce-layout.css

woocommerce-layout.css

454 ms

woocommerce.css

woocommerce.css

546 ms

public-chart.css

public-chart.css

557 ms

reset.css

reset.css

558 ms

style.css

style.css

559 ms

style.css

style.css

587 ms

style-2.css

style-2.css

680 ms

woo.css

woo.css

683 ms

media.css

media.css

684 ms

jquery.min.js

jquery.min.js

829 ms

pagination_styler.js

pagination_styler.js

689 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

728 ms

wc-blocks.css

wc-blocks.css

707 ms

owl.carousel.min.css

owl.carousel.min.css

705 ms

owl.theme.default.min.css

owl.theme.default.min.css

704 ms

hooks.min.js

hooks.min.js

706 ms

i18n.min.js

i18n.min.js

820 ms

index.js

index.js

882 ms

index.js

index.js

881 ms

sweetalert.min.js

sweetalert.min.js

883 ms

popupnotifiercf7.js

popupnotifiercf7.js

882 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

882 ms

underscore.min.js

underscore.min.js

883 ms

front.js

front.js

971 ms

button-handler.js

button-handler.js

970 ms

sourcebuster.min.js

sourcebuster.min.js

975 ms

order-attribution.min.js

order-attribution.min.js

975 ms

slick.js

slick.js

978 ms

script.js

script.js

1010 ms

wpfront-scroll-top.min.js

wpfront-scroll-top.min.js

1104 ms

owl.carousel.min.js

owl.carousel.min.js

968 ms

main-logo-300.png

main-logo-300.png

428 ms

phone-icon.png

phone-icon.png

353 ms

search-button-png.png

search-button-png.png

430 ms

b-slider.png

b-slider.png

431 ms

rst-100x80.png

rst-100x80.png

483 ms

iso9001.png

iso9001.png

499 ms

c1-min.jpg

c1-min.jpg

631 ms

c2-min.jpg

c2-min.jpg

630 ms

c3-min.jpg

c3-min.jpg

500 ms

c4-min.jpg

c4-min.jpg

659 ms

c5-min.jpg

c5-min.jpg

617 ms

c6-min.jpg

c6-min.jpg

638 ms

c7-min.jpg

c7-min.jpg

640 ms

c8-min.jpg

c8-min.jpg

753 ms

footer-baner.png

footer-baner.png

766 ms

blagodarstvennoe-pismo-gazprom_page-0001-106x150.jpg

blagodarstvennoe-pismo-gazprom_page-0001-106x150.jpg

341 ms

otzyv-energiyalab-orig_page-0001-106x150.jpg

otzyv-energiyalab-orig_page-0001-106x150.jpg

355 ms

blagodarstvennoe-pismo-energiyalab-2021_10_15-09_25-office-lens_page-0001-107x150.jpg

blagodarstvennoe-pismo-energiyalab-2021_10_15-09_25-office-lens_page-0001-107x150.jpg

354 ms

blagodarstvennoe-pismo-ooo-energiyalab_page-0001-106x150.jpg

blagodarstvennoe-pismo-ooo-energiyalab_page-0001-106x150.jpg

367 ms

simferopolskij-kolledzh-radioelektroniki-109x150.jpg

simferopolskij-kolledzh-radioelektroniki-109x150.jpg

462 ms

diplom-1-106x150.jpg

diplom-1-106x150.jpg

474 ms

1133808354

1133808354

707 ms

advert.gif

advert.gif

398 ms

1

1

147 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

136 ms

orig

orig

672 ms

109.png

109.png

140 ms

Accessibility Review

vrnlab.ru accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

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

High

Links do not have a discernible name

Best Practices

vrnlab.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vrnlab.ru SEO score

98

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vrnlab.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Vrnlab.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

vrnlab.ru

Open Graph data is detected on the main page of Vrnlab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: