Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

5v.ru

Программаторы , Конструкторы , Микроконтроллеры , Электроника (5v.ru)

Page Load Speed

7.3 sec in total

First Response

1.1 sec

Resources Loaded

5.9 sec

Page Rendered

262 ms

5v.ru screenshot

About Website

Welcome to 5v.ru homepage info - get ready to check 5 V best content for Ukraine right away, or after learning these important things about 5v.ru

Visit 5v.ru

Key Findings

We analyzed 5v.ru page load time and found that the first response time was 1.1 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

5v.ru performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

5v.ru

1103 ms

tt328.gif

405 ms

new.gif

271 ms

green.gif

272 ms

yellow.gif

293 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 94% of them (76 requests) were addressed to the original 5v.ru, 2% (2 requests) were made to U3897.32.spylog.com and 1% (1 request) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain 5v.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.3 kB (53%)

Content Size

108.8 kB

After Optimization

51.4 kB

In fact, the total size of 5v.ru main page is 108.8 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. 20% of websites need less resources to load. HTML takes 62.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 53.7 kB

  • Original 62.4 kB
  • After minification 49.4 kB
  • After compression 8.7 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 13.0 kB, which is 21% 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 53.7 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 497 B

  • Original 41.3 kB
  • After minification 40.8 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. 5 V images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 3.1 kB

  • Original 5.1 kB
  • After minification 5.1 kB
  • After compression 2.0 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 3.1 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (12%)

Requests Now

78

After Optimization

69

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 5 V. 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

5v.ru accessibility score

61

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

Links do not have a discernible name

Best Practices

5v.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

5v.ru SEO score

64

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

    KOI8-R

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 5v.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 5v.ru main page’s claimed encoding is koi8-r. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of 5 V. 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: