Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

zebri.ru

Суши-бар "Зебры"

Page Load Speed

7.3 sec in total

First Response

446 ms

Resources Loaded

6.8 sec

Page Rendered

68 ms

About Website

Click here to check amazing Zebri content for Russia. Otherwise, check out these important facts you probably never knew about zebri.ru

ООО "Ресторатор" ИНН 5501110860 ОГРН 1155543000810 zebri.dostavka@mail.ru

Visit zebri.ru

Key Findings

We analyzed Zebri.ru page load time and found that the first response time was 446 ms and then it took 6.8 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

zebri.ru performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value20.3 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value3,570 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value20.3 s

2/100

10%

Network Requests Diagram

zebri.ru

446 ms

zebri.ru

964 ms

tag.js

962 ms

js

80 ms

code.js

1026 ms

Our browser made a total of 151 requests to load all elements on the main page. We found that 7% of them (11 requests) were addressed to the original Zebri.ru, 81% (123 requests) were made to 53a7276f-d68f-462e-a2bf-df223e005be4.selstorage.ru and 4% (6 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source 53a7276f-d68f-462e-a2bf-df223e005be4.selstorage.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 488.3 kB (71%)

Content Size

690.0 kB

After Optimization

201.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zebri.ru main page is 690.0 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. 70% of websites need less resources to load. HTML takes 575.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 483.3 kB

  • Original 575.3 kB
  • After minification 571.4 kB
  • After compression 92.1 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 483.3 kB or 84% of the original size.

Image Optimization

-36%

Potential reduce by 3.7 kB

  • Original 10.1 kB
  • After minification 6.5 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. Obviously, Zebri needs image optimization as it can save up to 3.7 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.4 kB

  • Original 104.5 kB
  • After minification 104.5 kB
  • After compression 103.2 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.

Requests Breakdown

Number of requests can be reduced by 19 (13%)

Requests Now

146

After Optimization

127

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zebri. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zebri.ru accessibility score

60

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

zebri.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Requests the notification permission on page load

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

Missing source maps for large first-party JavaScript

SEO Factors

zebri.ru SEO score

93

Search Engine Optimization Advices

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 Zebri.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 Zebri.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

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