Report Summary

  • 53

    Performance

    Renders faster than
    72% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

portalus.ru

Порталус

Page Load Speed

9.8 sec in total

First Response

2.4 sec

Resources Loaded

6.5 sec

Page Rendered

923 ms

portalus.ru screenshot

About Website

Welcome to portalus.ru homepage info - get ready to check Portalus best content for Russia right away, or after learning these important things about portalus.ru

Крупнейшая база авторских научных публикаций в России со свободным участием

Visit portalus.ru

Key Findings

We analyzed Portalus.ru page load time and found that the first response time was 2.4 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

portalus.ru performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

portalus.ru

2356 ms

bootstrap.css

1267 ms

font-awesome.min.css

6 ms

prettyPhoto.css

699 ms

style.css

702 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 45% of them (24 requests) were addressed to the original Portalus.ru, 9% (5 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Portalus.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 457.0 kB (33%)

Content Size

1.4 MB

After Optimization

940.5 kB

In fact, the total size of Portalus.ru main page is 1.4 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. 55% of websites need less resources to load. Images take 930.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.0 kB

  • Original 48.7 kB
  • After minification 44.0 kB
  • After compression 10.8 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 38.0 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 101.0 kB

  • Original 930.4 kB
  • After minification 829.4 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, Portalus needs image optimization as it can save up to 101.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 170.1 kB

  • Original 244.4 kB
  • After minification 219.9 kB
  • After compression 74.3 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 170.1 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 147.9 kB

  • Original 173.9 kB
  • After minification 143.6 kB
  • After compression 26.0 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. Portalus.ru needs all CSS files to be minified and compressed as it can save up to 147.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (37%)

Requests Now

43

After Optimization

27

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Portalus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

portalus.ru accessibility score

62

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

portalus.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

portalus.ru SEO score

92

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

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1251

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

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