Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

optilens.ru

Optilens.ru: сеть салонов оптики, линз, очков, прием офтальмолога, интернет-магазин

Page Load Speed

8.1 sec in total

First Response

1.2 sec

Resources Loaded

6 sec

Page Rendered

852 ms

optilens.ru screenshot

About Website

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

Интернет-магазин сети салонов оптики Оптиленс предлагает большой выбор ✅ контактных линз ✅ медицинских и солнцезащитных очков ✅ капли для глаз ✅ растворы. Онлайн запись на прием к офтальмологу.

Visit optilens.ru

Key Findings

We analyzed Optilens.ru page load time and found that the first response time was 1.2 sec 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

optilens.ru performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,070 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value29.8 s

0/100

10%

Network Requests Diagram

optilens.ru

1222 ms

css

22 ms

ui.design-tokens.css

227 ms

ui.font.opensans.css

233 ms

main.popup.bundle.css

233 ms

Our browser made a total of 237 requests to load all elements on the main page. We found that 85% of them (202 requests) were addressed to the original Optilens.ru, 5% (11 requests) were made to Fonts.gstatic.com and 3% (6 requests) were made to Enterprise.api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Optilens.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (25%)

Content Size

5.4 MB

After Optimization

4.1 MB

In fact, the total size of Optilens.ru main page is 5.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 931.3 kB

  • Original 1.1 MB
  • After minification 872.0 kB
  • After compression 182.5 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 241.8 kB, which is 22% 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 931.3 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 119.7 kB

  • Original 2.8 MB
  • After minification 2.7 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. Optilens images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 205.0 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 969.7 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 205.0 kB or 17% of the original size.

CSS Optimization

-31%

Potential reduce by 103.9 kB

  • Original 331.1 kB
  • After minification 331.1 kB
  • After compression 227.2 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. Optilens.ru needs all CSS files to be minified and compressed as it can save up to 103.9 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 126 (58%)

Requests Now

216

After Optimization

90

The browser has sent 216 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optilens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 68 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

optilens.ru accessibility score

82

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

button, link, and menuitem elements do not have accessible names.

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

optilens.ru best practices score

75

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

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

optilens.ru SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optilens.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 Optilens.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 data is detected on the main page of Optilens. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: