Report Summary

  • 19

    Performance

    Renders faster than
    35% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

optica100.ru

stethoscopes.ru

Page Load Speed

7.3 sec in total

First Response

755 ms

Resources Loaded

6.3 sec

Page Rendered

279 ms

optica100.ru screenshot

About Website

Welcome to optica100.ru homepage info - get ready to check Optica 100 best content for Russia right away, or after learning these important things about optica100.ru

stethoscopes.ru

Visit optica100.ru

Key Findings

We analyzed Optica100.ru page load time and found that the first response time was 755 ms and then it took 6.6 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

optica100.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value19.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,020 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

optica100.ru

755 ms

stethoscopes.ru

2955 ms

lodash.min.js

667 ms

common.v2.24.77.js

1022 ms

my-layout.js

651 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Optica100.ru, 66% (25 requests) were made to Static.insales-cdn.com and 5% (2 requests) were made to Stethoscopes.ru. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Stethoscopes.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 574.2 kB (30%)

Content Size

1.9 MB

After Optimization

1.4 MB

In fact, the total size of Optica100.ru main page is 1.9 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 372.3 kB

  • Original 416.8 kB
  • After minification 354.6 kB
  • After compression 44.5 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 62.2 kB, which is 15% 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 372.3 kB or 89% of the original size.

Image Optimization

-14%

Potential reduce by 159.8 kB

  • Original 1.1 MB
  • After minification 944.7 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, Optica 100 needs image optimization as it can save up to 159.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 39.1 kB

  • Original 404.7 kB
  • After minification 404.7 kB
  • After compression 365.5 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

-18%

Potential reduce by 2.9 kB

  • Original 16.6 kB
  • After minification 16.6 kB
  • After compression 13.7 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. Optica100.ru needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (65%)

Requests Now

34

After Optimization

12

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optica 100. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

optica100.ru accessibility score

79

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

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

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

optica100.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

optica100.ru SEO score

98

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optica100.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 Optica100.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 Optica 100. 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: