Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

koffer.ru

Официальный сайт Dr.Koffer New York (Доктор Коффер)

Page Load Speed

6.1 sec in total

First Response

509 ms

Resources Loaded

5.2 sec

Page Rendered

461 ms

koffer.ru screenshot

About Website

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

Официальный интернет магазин Dr.Koffer New York (Доктор Коффер)

Visit koffer.ru

Key Findings

We analyzed Koffer.ru page load time and found that the first response time was 509 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

koffer.ru performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value2,450 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.243

51/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

koffer.ru

509 ms

www.koffer.ru

1181 ms

jquery-1.9.1.min.js

628 ms

jquery.form.js

380 ms

jquery.arcticmodal-0.3.min.js

252 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 84% of them (89 requests) were addressed to the original Koffer.ru, 4% (4 requests) were made to Mc.yandex.ru and 3% (3 requests) were made to Cdn.retailrocket.ru. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Koffer.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 868.7 kB (20%)

Content Size

4.2 MB

After Optimization

3.4 MB

In fact, the total size of Koffer.ru main page is 4.2 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. 50% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 97.7 kB

  • Original 112.6 kB
  • After minification 106.0 kB
  • After compression 14.9 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 97.7 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 163.3 kB

  • Original 3.3 MB
  • After minification 3.2 MB

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. Koffer images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 433.0 kB

  • Original 582.7 kB
  • After minification 469.4 kB
  • After compression 149.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 433.0 kB or 74% of the original size.

CSS Optimization

-85%

Potential reduce by 174.6 kB

  • Original 206.1 kB
  • After minification 169.0 kB
  • After compression 31.4 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. Koffer.ru needs all CSS files to be minified and compressed as it can save up to 174.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (28%)

Requests Now

103

After Optimization

74

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koffer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

koffer.ru accessibility score

77

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

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.

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

koffer.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

High

Browser errors were logged to the console

SEO Factors

koffer.ru SEO score

90

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

High

Tap targets are not sized appropriately

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 Koffer.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 Koffer.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 Koffer. 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: