Tools & Wizards About Us
ulfek.ru screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

ulfek.ru

Срок регистрации домена ulfek.ru истёк

Page Load Speed

3.8 sec in total

First Response

870 ms

Resources Loaded

2.4 sec

Page Rendered

591 ms

ulfek.ru screenshot

About Website

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

На нашем сайте размещена литература для обучающихся в ВУЗах. Методические пособия и обучающая литература

Visit ulfek.ru

Key Findings

We analyzed Ulfek.ru page load time and found that the first response time was 870 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ulfek.ru performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value3,360 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.529

14/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

ulfek.ru

870 ms

template.css

475 ms

jquery.min.js

461 ms

jquery-noconflict.js

188 ms

jquery-migrate.min.js

188 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 50% of them (11 requests) were addressed to the original Ulfek.ru, 18% (4 requests) were made to Pagead2.googlesyndication.com and 9% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (870 ms) belongs to the original domain Ulfek.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 201.2 kB (78%)

Content Size

257.9 kB

After Optimization

56.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Ulfek.ru main page is 257.9 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. 30% of websites need less resources to load. CSS take 151.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 28.5 kB

  • Original 39.3 kB
  • After minification 38.7 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 28.5 kB or 73% of the original size.

JavaScript Optimization

-64%

Potential reduce by 43.1 kB

  • Original 67.1 kB
  • After minification 67.1 kB
  • After compression 24.0 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 43.1 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 129.6 kB

  • Original 151.5 kB
  • After minification 132.1 kB
  • After compression 21.9 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. Ulfek.ru needs all CSS files to be minified and compressed as it can save up to 129.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (72%)

Requests Now

18

After Optimization

5

  • AJAX
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ulfek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ulfek.ru

ulfek.ru

870 ms

template.css

template.css

475 ms

jquery.min.js

jquery.min.js

461 ms

jquery-noconflict.js

jquery-noconflict.js

188 ms

jquery-migrate.min.js

jquery-migrate.min.js

188 ms

caption.js

caption.js

186 ms

bootstrap.min.js

bootstrap.min.js

286 ms

template.js

template.js

278 ms

css

css

24 ms

adsbygoogle.js

adsbygoogle.js

18 ms

click.js

click.js

366 ms

ads.js

ads.js

297 ms

14556982199.js

14556982199.js

283 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

98 ms

IcoMoon.woff

IcoMoon.woff

169 ms

ca-pub-7080953988970602.js

ca-pub-7080953988970602.js

298 ms

zrt_lookup.html

zrt_lookup.html

290 ms

show_ads_impl.js

show_ads_impl.js

151 ms

watch.js

watch.js

259 ms

ads

ads

222 ms

osd.js

osd.js

8 ms

watch.js

watch.js

440 ms

Accessibility Review

ulfek.ru accessibility score

97

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.

Best Practices

ulfek.ru best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ulfek.ru SEO score

86

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Ulfek.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 Ulfek.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

ulfek.ru

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