Tools & Wizards About Us
jammer.su screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

jammer.su

Подавители сотового/радио сигнала. Обнаружение и подавление БПЛА

Page Load Speed

6 sec in total

First Response

550 ms

Resources Loaded

5 sec

Page Rendered

420 ms

jammer.su screenshot

About Website

Click here to check amazing Jammer content for Russia. Otherwise, check out these important facts you probably never knew about jammer.su

Visit jammer.su

Key Findings

We analyzed Jammer.su page load time and found that the first response time was 550 ms and then it took 5.4 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

jammer.su 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)

Value1.3 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

jammer.su

550 ms

rus

514 ms

_layout.0eb9b0a8.css

141 ms

_layout.8ae2e9db.css

276 ms

_page.611d2914.css

402 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 12% of them (6 requests) were addressed to the original Jammer.su, 43% (21 requests) were made to Ad.meldana.com and 12% (6 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Meldana.bitrix24.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 596.5 kB (38%)

Content Size

1.6 MB

After Optimization

953.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Jammer.su main page is 1.6 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. 40% of websites need less resources to load. Javascripts take 671.8 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 462.3 kB

  • Original 649.7 kB
  • After minification 647.3 kB
  • After compression 187.4 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. 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 462.3 kB or 71% of the original size.

JavaScript Optimization

-14%

Potential reduce by 91.6 kB

  • Original 671.8 kB
  • After minification 671.8 kB
  • After compression 580.2 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 91.6 kB or 14% of the original size.

CSS Optimization

-19%

Potential reduce by 42.6 kB

  • Original 228.5 kB
  • After minification 228.5 kB
  • After compression 185.9 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. Jammer.su needs all CSS files to be minified and compressed as it can save up to 42.6 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

39

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jammer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jammer.su

jammer.su

550 ms

rus

rus

514 ms

_layout.0eb9b0a8.css

_layout.0eb9b0a8.css

141 ms

_layout.8ae2e9db.css

_layout.8ae2e9db.css

276 ms

_page.611d2914.css

_page.611d2914.css

402 ms

plugin.8ab7a44b.css

plugin.8ab7a44b.css

402 ms

861 ms

css2

css2

31 ms

combine

combine

723 ms

image_366_a7f09c0624.png

image_366_a7f09c0624.png

784 ms

image_366_1_b1a1f6a461.png

image_366_1_b1a1f6a461.png

768 ms

Group_173_f4dbe44497.png

Group_173_f4dbe44497.png

1070 ms

s1200_4_a394e6fab4.png

s1200_4_a394e6fab4.png

889 ms

unnamed_addf1b50ab.png

unnamed_addf1b50ab.png

768 ms

verniy_48c5b4d980.jpg

verniy_48c5b4d980.jpg

769 ms

pyaterochka_45d6190136.png

pyaterochka_45d6190136.png

865 ms

Pepsi_Co_Logo_scaled_d9c8484e09.png

Pepsi_Co_Logo_scaled_d9c8484e09.png

871 ms

logo_98c18be554.svg

logo_98c18be554.svg

892 ms

open_db9a09dc2b.svg

open_db9a09dc2b.svg

894 ms

logo_1_f386a31fb4.svg

logo_1_f386a31fb4.svg

1068 ms

cdek_jpg_1531303900_6a0fd49b5f.jpg

cdek_jpg_1531303900_6a0fd49b5f.jpg

1069 ms

logo_faa32293b0.png

logo_faa32293b0.png

1069 ms

logo_pcgc_5715255add.png

logo_pcgc_5715255add.png

1070 ms

Gazprom_Logo_rus_svg_1885c1f53b.png

Gazprom_Logo_rus_svg_1885c1f53b.png

1074 ms

703d269e_ec01_4187_9544_5f01fb27bbb6_deb0098881.png

703d269e_ec01_4187_9544_5f01fb27bbb6_deb0098881.png

1266 ms

1200px_Sberbank_Logo_b80e0877c3.png

1200px_Sberbank_Logo_b80e0877c3.png

1139 ms

1_00cef432c2.png

1_00cef432c2.png

1154 ms

brands_letual2x_c0aa1c140f.png

brands_letual2x_c0aa1c140f.png

1162 ms

12_86fca263cb.png

12_86fca263cb.png

1163 ms

400px_Perekryostok_logo_2014_svg_5f804e8723.png

400px_Perekryostok_logo_2014_svg_5f804e8723.png

1213 ms

tag.js

tag.js

931 ms

loader_2_ilzq2m.js

loader_2_ilzq2m.js

747 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

25 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fMZg.ttf

37 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZg.ttf

54 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYMZg.ttf

48 ms

ef50ac9e93aaebe3299791c79f277f8e.cur

ef50ac9e93aaebe3299791c79f277f8e.cur

193 ms

3ce22e999d54bb9ca8150a59207f9d3e.cur

3ce22e999d54bb9ca8150a59207f9d3e.cur

480 ms

4965b66fe115b2f2ed500ece66514d86.cur

4965b66fe115b2f2ed500ece66514d86.cur

479 ms

77492cf358d8b12629399322926c93f2.cur

77492cf358d8b12629399322926c93f2.cur

457 ms

styles.min.css

styles.min.css

1269 ms

script.min.js

script.min.js

1438 ms

polyfill.js

polyfill.js

244 ms

app.js

app.js

192 ms

advert.gif

advert.gif

693 ms

app.bundle.min.css

app.bundle.min.css

542 ms

app.bundle.min.js

app.bundle.min.js

806 ms

sync_cookie_image_decide

sync_cookie_image_decide

141 ms

1

1

141 ms

Accessibility Review

jammer.su accessibility score

50

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

Best Practices

jammer.su 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

jammer.su SEO score

46

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

High

robots.txt is not valid

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jammer.su 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 Jammer.su 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

jammer.su

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