Tools & Wizards About Us
op.by screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

op.by

Обучение и Поддержка - Минск, Беларусь

Page Load Speed

870 ms in total

First Response

405 ms

Resources Loaded

412 ms

Page Rendered

53 ms

op.by screenshot

About Website

Click here to check amazing Op content for Belarus. Otherwise, check out these important facts you probably never knew about op.by

Индивидуальные и групповые консультационные проекты ООО "МПО"

Visit op.by

Key Findings

We analyzed Op.by page load time and found that the first response time was 405 ms and then it took 465 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

op.by performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

op.by

405 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Op.by and no external sources were called. The less responsive or slowest element that took the longest time to load (405 ms) belongs to the original domain Op.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 394.2 kB (69%)

Content Size

573.3 kB

After Optimization

179.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Op.by main page is 573.3 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Javascripts take 457.7 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.0 kB

  • Original 3.1 kB
  • After minification 3.0 kB
  • After compression 1.2 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 2.0 kB or 63% of the original size.

Image Optimization

-5%

Potential reduce by 1.7 kB

  • Original 38.3 kB
  • After minification 36.5 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. Op images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 326.4 kB

  • Original 457.7 kB
  • After minification 417.2 kB
  • After compression 131.3 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 326.4 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 64.2 kB

  • Original 74.3 kB
  • After minification 53.9 kB
  • After compression 10.1 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. Op.by needs all CSS files to be minified and compressed as it can save up to 64.2 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

op.by

op.by

405 ms

Accessibility Review

op.by accessibility score

78

Accessibility Issues

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

op.by best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

op.by SEO score

64

Search Engine Optimization Advices

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 Op.by 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 Op.by 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

op.by

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