Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

amplif.ru

Схемы самодельных усилителей - ламповые УНЧ, на транзисторах, и УМЗЧ на микросхемах TDA. Главная страница

Page Load Speed

3.5 sec in total

First Response

689 ms

Resources Loaded

2.7 sec

Page Rendered

156 ms

amplif.ru screenshot

About Website

Visit amplif.ru now to see the best up-to-date Amplif content for Russia and also check out these interesting facts you probably never knew about amplif.ru

УСИЛИТЕЛЬ. Всё про самодельные и профессиональные усилители - схемы, конструкции, настройка и описание качественных УНЧ на лампах, микросхемах и транзисторах.

Visit amplif.ru

Key Findings

We analyzed Amplif.ru page load time and found that the first response time was 689 ms and then it took 2.8 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

amplif.ru performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

amplif.ru

689 ms

amplif.ru

286 ms

my.css

271 ms

base.min.css

407 ms

layer7.min.css

411 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 60% of them (24 requests) were addressed to the original Amplif.ru, 23% (9 requests) were made to Counter.yadro.ru and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Amplif.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.5 kB (13%)

Content Size

223.3 kB

After Optimization

193.8 kB

In fact, the total size of Amplif.ru main page is 223.3 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. Images take 157.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.9 kB

  • Original 24.1 kB
  • After minification 14.8 kB
  • After compression 5.3 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 9.3 kB, which is 39% 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 18.9 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 9.8 kB

  • Original 157.2 kB
  • After minification 147.4 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. Amplif images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 90 B

  • Original 21.1 kB
  • After minification 21.0 kB
  • After compression 21.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 705 B

  • Original 20.8 kB
  • After minification 20.8 kB
  • After compression 20.1 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. Amplif.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (66%)

Requests Now

32

After Optimization

11

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amplif. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

amplif.ru accessibility score

64

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

amplif.ru 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

amplif.ru SEO score

62

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 Amplif.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 Amplif.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 Amplif. 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: