Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

zinvoice.ru

Zinvoice.ru - Самый простой способ выставить счет клиенту и отследить оплату

Page Load Speed

1.6 sec in total

First Response

315 ms

Resources Loaded

1.2 sec

Page Rendered

127 ms

zinvoice.ru screenshot

About Website

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

Сервис выставления счетов - Выставить счет на оплату легко. Не нужно выполнять массу ненужных действий. Просто создаете счет, отправляете счет по email клиенту и отслеживаете его состояние в простой с...

Visit zinvoice.ru

Key Findings

We analyzed Zinvoice.ru page load time and found that the first response time was 315 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

zinvoice.ru performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

index

315 ms

bootstrap.min.css

18 ms

main.css

23 ms

jquery.js

35 ms

jquery-ui-1.8.23.custom.min.js

45 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 88% of them (22 requests) were addressed to the original Zinvoice.ru, 4% (1 request) were made to Google.com and 4% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (315 ms) belongs to the original domain Zinvoice.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.3 kB (16%)

Content Size

456.6 kB

After Optimization

385.3 kB

In fact, the total size of Zinvoice.ru main page is 456.6 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. 40% of websites need less resources to load. Images take 316.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.5 kB

  • Original 13.5 kB
  • After minification 12.1 kB
  • After compression 4.0 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 1.4 kB, which is 11% 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 9.5 kB or 70% of the original size.

Image Optimization

-9%

Potential reduce by 29.1 kB

  • Original 316.7 kB
  • After minification 287.6 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. Zinvoice images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 32.6 kB

  • Original 106.3 kB
  • After minification 106.3 kB
  • After compression 73.6 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 32.6 kB or 31% of the original size.

CSS Optimization

-1%

Potential reduce by 116 B

  • Original 20.1 kB
  • After minification 20.1 kB
  • After compression 20.0 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. Zinvoice.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (18%)

Requests Now

22

After Optimization

18

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zinvoice. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zinvoice.ru accessibility score

71

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

zinvoice.ru best practices score

67

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

zinvoice.ru SEO score

69

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zinvoice.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Zinvoice.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 Zinvoice. 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: