Access tennis-slice.ru. Поиграть в большой теннис в Санкт-Петербурге, школа тенниса СПб

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value2,770 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

tennis-slice.ru

1041 ms

wp-emoji-release.min.js

229 ms

css

19 ms

css

33 ms

css

33 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 56% of them (74 requests) were addressed to the original Tennis-slice.ru, 17% (23 requests) were made to Fonts.gstatic.com and 7% (9 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Tennis-slice.ru.

Content Size

1.7 MB

After Optimization

1.4 MB

In fact, the total size of Tennis-slice.ru main page is 1.7 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. Only a small number of websites need less resources to load. Images take 703.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 218.6 kB

Original 266.8 kB
After minification 262.8 kB
After compression 48.2 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 218.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 21.3 kB

Original 703.7 kB
After minification 682.4 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. Tennis Slice images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 50.5 kB

Original 570.2 kB
After minification 570.0 kB
After compression 519.7 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

-5%

Potential reduce by 9.0 kB

Original 184.0 kB
After minification 183.5 kB
After compression 175.0 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. Tennis-slice.ru has all CSS files already compressed.

Requests Now

103

After Optimization

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tennis Slice. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 37 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

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

High

Image elements do not have [alt] attributes

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

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

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

RU
Encoding

UTF-8

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

tennis-slice.ru

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Поиграть в большой теннис в Санкт-Петербурге, школа тенниса СПб

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

tennis-slice.ru

wp-emoji-release.min.js

css

css

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

tennis-slice.ru

wp-emoji-release.min.js

css

css

css

css

fontello.min.css

effects.min.css

header.min.css

bootstrap.min.css

typography.min.css

navigation.min.css

nav.min.css

blog.min.css

forms.min.css

elements.min.css

widgets.min.css

comments.min.css

comments-typography.min.css

footer.min.css

jquery.jscrollpane.min.css

plugins.min.css

prettyPhoto.min.css

google-fonts.css

style.css

bwg_frontend.css

font-awesome.css

jquery.mCustomScrollbar.css

sumoselect.css

default.min.css

ytprefs.min.css

jquery.js

jquery-migrate.min.js

ytprefs.min.js

es5-shims.min.js

share.js

css

css

dashicons.min.css

front.min.css

bootstrap.min.js

jquery.mousewheel.js

jquery.jscrollpane.min.js