Tools & Wizards About Us
symmetron.ru screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

symmetron.ru

Симметрон Электронные Компоненты

Page Load Speed

5.7 sec in total

First Response

571 ms

Resources Loaded

4.8 sec

Page Rendered

334 ms

symmetron.ru screenshot

About Website

Click here to check amazing Symmetron content for Russia. Otherwise, check out these important facts you probably never knew about symmetron.ru

Генеральное направление деятельности группы компаний «Симметрон» — это дистрибуция электронных компонентов в Российской Федерации. Мы осуществляем комплексные поставки импортных и отечественных компле...

Visit symmetron.ru

Key Findings

We analyzed Symmetron.ru page load time and found that the first response time was 571 ms and then it took 5.2 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

symmetron.ru performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

symmetron.ru

571 ms

www.symmetron.ru

1883 ms

page_6925309365dc143aebfab9947235b501_v1.css

401 ms

default_2df4d6030ca8ee977bccb671c7dff3f1_v1.css

413 ms

template_0373276d1aa364605e2b6c7710b165af_v1.css

802 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 41% of them (17 requests) were addressed to the original Symmetron.ru, 22% (9 requests) were made to 285624.selcdn.ru and 12% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source 285624.selcdn.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 430.1 kB (19%)

Content Size

2.3 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Symmetron.ru main page is 2.3 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 335.8 kB

  • Original 375.2 kB
  • After minification 244.6 kB
  • After compression 39.4 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 130.6 kB, which is 35% 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 335.8 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 19.2 kB

  • Original 1.4 MB
  • After minification 1.3 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. Symmetron images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 68.7 kB

  • Original 517.6 kB
  • After minification 517.6 kB
  • After compression 448.9 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 68.7 kB or 13% of the original size.

CSS Optimization

-26%

Potential reduce by 6.4 kB

  • Original 24.5 kB
  • After minification 24.5 kB
  • After compression 18.1 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. Symmetron.ru needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (50%)

Requests Now

32

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Symmetron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

symmetron.ru

symmetron.ru

571 ms

www.symmetron.ru

www.symmetron.ru

1883 ms

page_6925309365dc143aebfab9947235b501_v1.css

page_6925309365dc143aebfab9947235b501_v1.css

401 ms

default_2df4d6030ca8ee977bccb671c7dff3f1_v1.css

default_2df4d6030ca8ee977bccb671c7dff3f1_v1.css

413 ms

template_0373276d1aa364605e2b6c7710b165af_v1.css

template_0373276d1aa364605e2b6c7710b165af_v1.css

802 ms

css

css

30 ms

core.min.js

core.min.js

1177 ms

protobuf.min.js

protobuf.min.js

863 ms

model.min.js

model.min.js

385 ms

rest.client.min.js

rest.client.min.js

488 ms

pull.client.min.js

pull.client.min.js

682 ms

api.js

api.js

52 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

1620 ms

template_9246f70314451712754336249dff416f_v1.js

template_9246f70314451712754336249dff416f_v1.js

1675 ms

page_af442f1477faec168846acbad488975e_v1.js

page_af442f1477faec168846acbad488975e_v1.js

369 ms

gtm.js

gtm.js

142 ms

b15cfef682ed34471da29c38a3f0be0f.jpg

b15cfef682ed34471da29c38a3f0be0f.jpg

1199 ms

29f1629a8fbfe64e00d540ac071341ea.jpg

29f1629a8fbfe64e00d540ac071341ea.jpg

1459 ms

2aae2610d76a2976219a5504722b252e.jpg

2aae2610d76a2976219a5504722b252e.jpg

2094 ms

6efa1c3e60ceef57d499c44ca26b0412.jpg

6efa1c3e60ceef57d499c44ca26b0412.jpg

1963 ms

58abd191c948f67798d253a1f7ca9cfc.jpg

58abd191c948f67798d253a1f7ca9cfc.jpg

1941 ms

edfbcccdb07cd13014eb6ad4144b27cf.jpg

edfbcccdb07cd13014eb6ad4144b27cf.jpg

2022 ms

a1b5f0cd7c28a1f77529b10939cce90d.jpg

a1b5f0cd7c28a1f77529b10939cce90d.jpg

1966 ms

b600bf64748414b86ab5b29092692893.jpg

b600bf64748414b86ab5b29092692893.jpg

1861 ms

c71737e3e876f3daf01f4b356feddac6.jpg

c71737e3e876f3daf01f4b356feddac6.jpg

2047 ms

logo.png

logo.png

854 ms

kwnqybmd5nvvvn3s0sqhha0vxns2pepj.jpg

kwnqybmd5nvvvn3s0sqhha0vxns2pepj.jpg

2047 ms

gradient-black.png

gradient-black.png

558 ms

gradient-white.png

gradient-white.png

696 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

21 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

26 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

42 ms

KFOkCnqEu92Fr1MmgVxIIzc.ttf

KFOkCnqEu92Fr1MmgVxIIzc.ttf

49 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

50 ms

analytics.js

analytics.js

21 ms

call.tracker.js

call.tracker.js

830 ms

collect

collect

13 ms

recaptcha__en.js

recaptcha__en.js

26 ms

ba.js

ba.js

283 ms

watch.js

watch.js

2 ms

bx_stat

bx_stat

190 ms

Accessibility Review

symmetron.ru accessibility score

80

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

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

symmetron.ru best practices score

83

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

Page has valid source maps

SEO Factors

symmetron.ru SEO score

83

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

High

robots.txt is not valid

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 Symmetron.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 Symmetron.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

symmetron.ru

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