Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

otvertka.com

Компьютерная помощь и обслуживание компьютеров от Компьютерной службы ХЕЛП в Санкт-Петербурге и по всей России!

Page Load Speed

3.5 sec in total

First Response

513 ms

Resources Loaded

2.9 sec

Page Rendered

98 ms

otvertka.com screenshot

About Website

Welcome to otvertka.com homepage info - get ready to check Otvertka best content for Russia right away, or after learning these important things about otvertka.com

Компьютерная помощь и обслуживание компьютеров в Санкт-Петербурге и других городах. Звоните +7-(812)-612-40-40. Решение проблем в день обращения.

Visit otvertka.com

Key Findings

We analyzed Otvertka.com page load time and found that the first response time was 513 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

otvertka.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

otvertka.com

513 ms

www.otvertka.com

854 ms

reset.css

354 ms

style.css

705 ms

jquery-1.7.1.min.js

941 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Otvertka.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Otvertka.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.0 kB (56%)

Content Size

195.4 kB

After Optimization

86.3 kB

In fact, the total size of Otvertka.com main page is 195.4 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. Only 5% of websites need less resources to load. Javascripts take 98.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 20.7 kB

  • Original 26.1 kB
  • After minification 19.7 kB
  • After compression 5.4 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 6.4 kB, which is 24% 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 20.7 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 3.5 kB

  • Original 46.6 kB
  • After minification 43.1 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. Otvertka images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 64.3 kB

  • Original 98.5 kB
  • After minification 96.6 kB
  • After compression 34.2 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 64.3 kB or 65% of the original size.

CSS Optimization

-85%

Potential reduce by 20.5 kB

  • Original 24.2 kB
  • After minification 17.2 kB
  • After compression 3.7 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. Otvertka.com needs all CSS files to be minified and compressed as it can save up to 20.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (26%)

Requests Now

23

After Optimization

17

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otvertka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

otvertka.com accessibility score

63

Accessibility Issues

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

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

Form elements do not have associated labels

Best Practices

otvertka.com 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

otvertka.com 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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Otvertka.com 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 Otvertka.com 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 Otvertka. 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: