Tools & Wizards About Us
roboforum.ru screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

roboforum.ru

Главная страница • roboforum.ru

Page Load Speed

2.8 sec in total

First Response

511 ms

Resources Loaded

2 sec

Page Rendered

226 ms

roboforum.ru screenshot

About Website

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

Технический форум по робототехнике. Обсуждение роботов, их постойки, программирования, соревнований.

Visit roboforum.ru

Key Findings

We analyzed Roboforum.ru page load time and found that the first response time was 511 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

roboforum.ru performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

roboforum.ru

511 ms

jquery-1.4.2.js

502 ms

jquery.cookie.js

247 ms

jquery.hotkeys-0.7.9.js

253 ms

highlight-5.8.js

494 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Roboforum.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (611 ms) belongs to the original domain Roboforum.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 201.1 kB (76%)

Content Size

265.6 kB

After Optimization

64.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Roboforum.ru main page is 265.6 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. 15% of websites need less resources to load. Javascripts take 125.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 74.1 kB

  • Original 84.2 kB
  • After minification 67.6 kB
  • After compression 10.1 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. This page needs HTML code to be minified as it can gain 16.6 kB, which is 20% 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 74.1 kB or 88% of the original size.

Image Optimization

-12%

Potential reduce by 48 B

  • Original 396 B
  • After minification 348 B

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, Robofo Ru M needs image optimization as it can save up to 48 B or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 82.1 kB

  • Original 125.3 kB
  • After minification 125.3 kB
  • After compression 43.2 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 82.1 kB or 66% of the original size.

CSS Optimization

-81%

Potential reduce by 44.9 kB

  • Original 55.8 kB
  • After minification 54.5 kB
  • After compression 10.9 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. Roboforum.ru needs all CSS files to be minified and compressed as it can save up to 44.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (88%)

Requests Now

32

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robofo Ru M. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

roboforum.ru

roboforum.ru

511 ms

jquery-1.4.2.js

jquery-1.4.2.js

502 ms

jquery.cookie.js

jquery.cookie.js

247 ms

jquery.hotkeys-0.7.9.js

jquery.hotkeys-0.7.9.js

253 ms

highlight-5.8.js

highlight-5.8.js

494 ms

forum_fn.js

forum_fn.js

251 ms

forum_fn_jq.js

forum_fn_jq.js

252 ms

stylesheet-en.css

stylesheet-en.css

611 ms

normal.css

normal.css

379 ms

roboforum_logo.gif

roboforum_logo.gif

243 ms

icon_topic_latest.gif

icon_topic_latest.gif

128 ms

wink.gif

wink.gif

128 ms

forum_link.gif

forum_link.gif

126 ms

forum_read.gif

forum_read.gif

192 ms

forum_read_subforum.gif

forum_read_subforum.gif

248 ms

icon_textbox_search.gif

icon_textbox_search.gif

168 ms

bg_button.gif

bg_button.gif

168 ms

corners_left.png

corners_left.png

174 ms

corners_right.png

corners_right.png

232 ms

icon_home.gif

icon_home.gif

283 ms

icon_fontsize.gif

icon_fontsize.gif

291 ms

addcart_icon_b.gif

addcart_icon_b.gif

294 ms

icon_rules.gif

icon_rules.gif

295 ms

icon_wiki.gif

icon_wiki.gif

298 ms

icon_faq.gif

icon_faq.gif

352 ms

icon_register.gif

icon_register.gif

405 ms

icon_logout.gif

icon_logout.gif

412 ms

bg_list.gif

bg_list.gif

415 ms

gradient.gif

gradient.gif

416 ms

subforum_read.gif

subforum_read.gif

419 ms

cron.php

cron.php

464 ms

print.css

print.css

124 ms

medium.css

medium.css

122 ms

large.css

large.css

122 ms

Accessibility Review

roboforum.ru accessibility score

79

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

High

Heading elements are not in a sequentially-descending order

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

roboforum.ru best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

roboforum.ru SEO score

77

Search Engine Optimization Advices

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 Roboforum.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 Roboforum.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

roboforum.ru

Open Graph description is not detected on the main page of Robofo Ru M. 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: