Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

forum.rosalab.ru

ROSAForum - Главная страница

Page Load Speed

3.3 sec in total

First Response

800 ms

Resources Loaded

2.2 sec

Page Rendered

283 ms

forum.rosalab.ru screenshot

About Website

Click here to check amazing Forum Rosalab content for Russia. Otherwise, check out these important facts you probably never knew about forum.rosalab.ru

Visit forum.rosalab.ru

Key Findings

We analyzed Forum.rosalab.ru page load time and found that the first response time was 800 ms and then it took 2.5 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

forum.rosalab.ru performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

forum.rosalab.ru

800 ms

tapatalkdetect.js

155 ms

styleswitcher.js

305 ms

forum_fn.js

304 ms

style.php

479 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Forum.rosalab.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (800 ms) belongs to the original domain Forum.rosalab.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.8 kB (71%)

Content Size

66.0 kB

After Optimization

19.2 kB

In fact, the total size of Forum.rosalab.ru main page is 66.0 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. HTML takes 46.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 40.0 kB

  • Original 46.9 kB
  • After minification 38.7 kB
  • After compression 6.9 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 8.2 kB, which is 17% 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 40.0 kB or 85% of the original size.

Image Optimization

-28%

Potential reduce by 4.5 kB

  • Original 15.9 kB
  • After minification 11.5 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, Forum Rosalab needs image optimization as it can save up to 4.5 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-73%

Potential reduce by 2.3 kB

  • Original 3.2 kB
  • After minification 2.3 kB
  • After compression 858 B

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. Forum.rosalab.ru needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (76%)

Requests Now

29

After Optimization

7

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Forum Rosalab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

forum.rosalab.ru accessibility score

74

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Links do not have a discernible name

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

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

Best Practices

forum.rosalab.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

SEO Factors

forum.rosalab.ru SEO score

72

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Forum.rosalab.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Forum.rosalab.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 Forum Rosalab. 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: