Tools & Wizards About Us
rkka.es screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

rkka.es

Aviacion sovietica en la Segunda Guerra Mundial

Page Load Speed

2.5 sec in total

First Response

629 ms

Resources Loaded

1.7 sec

Page Rendered

224 ms

rkka.es screenshot

About Website

Click here to check amazing Rkka content for Spain. Otherwise, check out these important facts you probably never knew about rkka.es

Aviones de combate y pilotos sovieticos la segunda guerra mundial. Cazas y bombarderos sovieticos 1941-1945. Historia de VVS. Tacticas de combate, caracteristicas tecnicas, entrevistas a pilotos, unif...

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Key Findings

We analyzed Rkka.es page load time and found that the first response time was 629 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

rkka.es performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

77/100

10%

Network Requests Diagram

rkka.es

629 ms

logo_foro_150x30.gif

204 ms

ussr-flag.gif

341 ms

logo.gif

588 ms

Il-2_ship_striker_Tratada2.gif

937 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 74% of them (48 requests) were addressed to the original Rkka.es, 12% (8 requests) were made to Google.com and 3% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (937 ms) belongs to the original domain Rkka.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.4 kB (29%)

Content Size

162.4 kB

After Optimization

115.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rkka.es main page is 162.4 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. 45% of websites need less resources to load. Images take 72.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 26.1 kB

  • Original 32.3 kB
  • After minification 30.8 kB
  • After compression 6.1 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 26.1 kB or 81% of the original size.

Image Optimization

-22%

Potential reduce by 15.6 kB

  • Original 72.0 kB
  • After minification 56.4 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. Obviously, Rkka needs image optimization as it can save up to 15.6 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 144 B

  • Original 51.4 kB
  • After minification 51.4 kB
  • After compression 51.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 5.5 kB

  • Original 6.7 kB
  • After minification 5.2 kB
  • After compression 1.3 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. Rkka.es needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (17%)

Requests Now

60

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rkka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rkka.es

rkka.es

629 ms

logo_foro_150x30.gif

logo_foro_150x30.gif

204 ms

ussr-flag.gif

ussr-flag.gif

341 ms

logo.gif

logo.gif

588 ms

Il-2_ship_striker_Tratada2.gif

Il-2_ship_striker_Tratada2.gif

937 ms

00_HR_VVS.gif

00_HR_VVS.gif

253 ms

00_FAER.gif

00_FAER.gif

336 ms

00_1941-1945.gif

00_1941-1945.gif

337 ms

TOP_VVS_flag_70x35.gif

TOP_VVS_flag_70x35.gif

271 ms

ra.rkka_70x35.gif

ra.rkka_70x35.gif

319 ms

logo_foro_70x35.gif

logo_foro_70x35.gif

335 ms

logo_info_70x35.gif

logo_info_70x35.gif

331 ms

PORTADA_LA7.gif

PORTADA_LA7.gif

392 ms

01.gif

01.gif

424 ms

02.gif

02.gif

430 ms

03.gif

03.gif

439 ms

04.gif

04.gif

518 ms

05.gif

05.gif

529 ms

06.gif

06.gif

544 ms

07.gif

07.gif

551 ms

08.gif

08.gif

595 ms

09.gif

09.gif

638 ms

10.gif

10.gif

631 ms

11.gif

11.gif

648 ms

12.gif

12.gif

660 ms

13.gif

13.gif

701 ms

14.gif

14.gif

732 ms

00_fuerzas_aereas.gif

00_fuerzas_aereas.gif

662 ms

star.gif

star.gif

651 ms

00_del_ejercito_rojo.gif

00_del_ejercito_rojo.gif

670 ms

PORTADA_molniya_derecha.gif

PORTADA_molniya_derecha.gif

711 ms

PORTADA_dedicado-a-pilotos-sovietic.gif

PORTADA_dedicado-a-pilotos-sovietic.gif

731 ms

PORTADA_molniya_izquierda.gif

PORTADA_molniya_izquierda.gif

753 ms

star_small.gif

star_small.gif

781 ms

PORTADA_noticias.gif

PORTADA_noticias.gif

779 ms

PORTADA_avisolegal_0_SOLO_PORTADA.gif

PORTADA_avisolegal_0_SOLO_PORTADA.gif

820 ms

PORTADA_colaboran.gif

PORTADA_colaboran.gif

839 ms

button.php

button.php

252 ms

tracker.php

tracker.php

492 ms

jsapi

jsapi

17 ms

default.css

default.css

34 ms

watch.js

watch.js

1 ms

PORTADA_contacto.gif

PORTADA_contacto.gif

825 ms

17 ms

default.css

default.css

47 ms

tank_archive.gif

tank_archive.gif

829 ms

default+ru.css

default+ru.css

15 ms

default+ru.I.js

default+ru.I.js

20 ms

async-ads.js

async-ads.js

38 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

31 ms

small-logo.png

small-logo.png

24 ms

clear.gif

clear.gif

25 ms

ra.rkka_120x60.gif

ra.rkka_120x60.gif

765 ms

rusindus_blog_120x60.png

rusindus_blog_120x60.png

897 ms

AVIARUS_120x60.gif

AVIARUS_120x60.gif

802 ms

logo_foro_120x60.gif

logo_foro_120x60.gif

787 ms

logo_info_120x60.gif

logo_info_120x60.gif

778 ms

soviet-military.gif

soviet-military.gif

773 ms

madridquebienresiste_120x60.gif

madridquebienresiste_120x60.gif

788 ms

rkka_banner_120x60_1.gif

rkka_banner_120x60_1.gif

759 ms

button.png

button.png

326 ms

generador_enlaces_120x60.gif

generador_enlaces_120x60.gif

734 ms

10.png

10.png

114 ms

button.png

button.png

130 ms

button.png

button.png

193 ms

Accessibility Review

rkka.es accessibility score

56

Accessibility Issues

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.

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

rkka.es best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

rkka.es SEO score

67

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

    ES

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rkka.es can be misinterpreted by Google and other search engines. Our service has detected that Spanish 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 Rkka.es main page’s claimed encoding is windows-1251. 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

rkka.es

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