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u-sl.ru screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

u-sl.ru

U-SL - разработка и продвижение сайта, интернет-магазина в Туле и Москве | Раскрутка сайта и поисковое продвижение в Яндекс и Google

Page Load Speed

4.3 sec in total

First Response

442 ms

Resources Loaded

3.4 sec

Page Rendered

469 ms

u-sl.ru screenshot

About Website

Click here to check amazing U SL content. Otherwise, check out these important facts you probably never knew about u-sl.ru

Разработка сайтов и интернет-магазинов под ключ. Интеграция с 1С. SEO-продвижение сайтов. Контекстная реклама.

Visit u-sl.ru

Key Findings

We analyzed U-sl.ru page load time and found that the first response time was 442 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

u-sl.ru performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,520 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.234

53/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

u-sl.ru

442 ms

www.u-sl.ru

404 ms

styles.css

128 ms

jquery-1.8.2.min.js

607 ms

jquery.scrollto.js

245 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 95% of them (52 requests) were addressed to the original U-sl.ru, 2% (1 request) were made to Api-maps.yandex.ru and 2% (1 request) were made to Yastatic.net. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Yastatic.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 211.6 kB (24%)

Content Size

875.3 kB

After Optimization

663.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of U-sl.ru main page is 875.3 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. Images take 623.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.3 kB

  • Original 29.6 kB
  • After minification 25.8 kB
  • After compression 7.4 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 3.8 kB, which is 13% 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 22.3 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 29.3 kB

  • Original 623.8 kB
  • After minification 594.5 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. U SL images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 157.5 kB

  • Original 211.4 kB
  • After minification 164.2 kB
  • After compression 53.9 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 157.5 kB or 74% of the original size.

CSS Optimization

-25%

Potential reduce by 2.6 kB

  • Original 10.5 kB
  • After minification 10.5 kB
  • After compression 7.9 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. U-sl.ru needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (45%)

Requests Now

47

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U SL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

u-sl.ru

u-sl.ru

442 ms

www.u-sl.ru

www.u-sl.ru

404 ms

styles.css

styles.css

128 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

607 ms

jquery.scrollto.js

jquery.scrollto.js

245 ms

veg3230.js

veg3230.js

249 ms

flexslider.css

flexslider.css

247 ms

jquery.flexslider.js

jquery.flexslider.js

492 ms

jquery.fancybox.css

jquery.fancybox.css

250 ms

jquery.fancybox.js

jquery.fancybox.js

626 ms

script.js

script.js

370 ms

601 ms

ubuntu.css

ubuntu.css

245 ms

full-d4970f46344c5e9889e597ed64f3cc18926d2def.js

full-d4970f46344c5e9889e597ed64f3cc18926d2def.js

1874 ms

usl_logo_menu.png

usl_logo_menu.png

164 ms

for_usl.png

for_usl.png

162 ms

re-call-icon.png

re-call-icon.png

164 ms

vk_icon.png

vk_icon.png

164 ms

slider_img_3.jpg

slider_img_3.jpg

367 ms

slider_img_2.jpg

slider_img_2.jpg

500 ms

slider_img_1.jpg

slider_img_1.jpg

488 ms

head_background.png

head_background.png

252 ms

logo_demount1.png

logo_demount1.png

254 ms

logo_demount2.png

logo_demount2.png

252 ms

ic_serv_coding.png

ic_serv_coding.png

375 ms

ic_serv_seo.png

ic_serv_seo.png

376 ms

ic_serv_context.png

ic_serv_context.png

377 ms

ic_serv_smm.png

ic_serv_smm.png

487 ms

service1.png

service1.png

497 ms

rub_green.png

rub_green.png

498 ms

service2.png

service2.png

499 ms

rub_white.png

rub_white.png

607 ms

service3.png

service3.png

608 ms

rub_red.png

rub_red.png

620 ms

service4.png

service4.png

742 ms

p_w.jpg

p_w.jpg

621 ms

check.png

check.png

621 ms

1450079339991097.jpg

1450079339991097.jpg

729 ms

1450079450931275.jpg

1450079450931275.jpg

851 ms

1480664791935308.jpg

1480664791935308.jpg

866 ms

141863573262500.jpg

141863573262500.jpg

744 ms

quote_background.png

quote_background.png

912 ms

quote_open.png

quote_open.png

852 ms

quote_close.png

quote_close.png

863 ms

x.png

x.png

866 ms

top_button.png

top_button.png

880 ms

black_30.png

black_30.png

880 ms

ubuntu-r.woff

ubuntu-r.woff

1138 ms

ubuntu-m.woff

ubuntu-m.woff

1020 ms

ubuntu-l.woff

ubuntu-l.woff

900 ms

watch.js

watch.js

47 ms

ubuntu-c.woff

ubuntu-c.woff

1004 ms

ubuntu-b.woff

ubuntu-b.woff

940 ms

arr_left_slider.png

arr_left_slider.png

963 ms

arr_right_slider.png

arr_right_slider.png

974 ms

Accessibility Review

u-sl.ru accessibility score

77

Accessibility Issues

ARIA

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.

Impact

Issue

High

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

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

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

Form elements do not have associated labels

Best Practices

u-sl.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

u-sl.ru SEO score

90

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

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

    N/A

  • Encoding

    WINDOWS-1251

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

u-sl.ru

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