Tools & Wizards About Us
strf.ru screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

strf.ru

Купить авиабилеты дёшево онлайн | Авиасейлс — поиск самых дешевых билетов на самолет

Page Load Speed

18.6 sec in total

First Response

5.9 sec

Resources Loaded

12.5 sec

Page Rendered

306 ms

strf.ru screenshot

About Website

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

Авиасейлс помогает найти и купить самые дешёвые авиабилеты. Поиск билетов на самолёт по 2000+ авиакомпаниям, ведущим авиакассам и лучшие цены на авиабилеты.

Visit strf.ru

Key Findings

We analyzed Strf.ru page load time and found that the first response time was 5.9 sec and then it took 12.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

strf.ru performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

strf.ru

5858 ms

bootstrap.min.css

1647 ms

jquery-ui.css

1315 ms

style.css

1317 ms

jquery.min.js

1137 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 67% of them (54 requests) were addressed to the original Strf.ru, 12% (10 requests) were made to Vk.com and 4% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Strf.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 638.9 kB (46%)

Content Size

1.4 MB

After Optimization

735.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Strf.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. 45% of websites need less resources to load. Javascripts take 594.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 33.2 kB

  • Original 42.1 kB
  • After minification 35.2 kB
  • After compression 8.9 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 6.9 kB, which is 16% 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 33.2 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 39.6 kB

  • Original 536.7 kB
  • After minification 497.1 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. Strf images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 397.4 kB

  • Original 594.3 kB
  • After minification 540.1 kB
  • After compression 196.9 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 397.4 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 168.7 kB

  • Original 201.2 kB
  • After minification 190.2 kB
  • After compression 32.5 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. Strf.ru needs all CSS files to be minified and compressed as it can save up to 168.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (31%)

Requests Now

78

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Strf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

strf.ru

strf.ru

5858 ms

bootstrap.min.css

bootstrap.min.css

1647 ms

jquery-ui.css

jquery-ui.css

1315 ms

style.css

style.css

1317 ms

jquery.min.js

jquery.min.js

1137 ms

jquery-ui.min.js

jquery-ui.min.js

1462 ms

openapi.js

openapi.js

392 ms

top100.jcn

top100.jcn

394 ms

jquery.min.js

jquery.min.js

71 ms

bootstrap.min.js

bootstrap.min.js

392 ms

banner-88x31-rambler-gray2.gif

banner-88x31-rambler-gray2.gif

260 ms

presszvanie.gif

presszvanie.gif

1084 ms

medal.gif

medal.gif

1085 ms

strf_book.gif

strf_book.gif

1084 ms

logo.png

logo.png

173 ms

Thumbnail.ashx

Thumbnail.ashx

1063 ms

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1067 ms

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1071 ms

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2226 ms

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2317 ms

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2274 ms

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2289 ms

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2235 ms

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2307 ms

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2412 ms

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2421 ms

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2466 ms

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2532 ms

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2608 ms

Thumbnail.ashx

Thumbnail.ashx

2531 ms

Thumbnail.ashx

Thumbnail.ashx

2621 ms

Thumbnail.ashx

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2602 ms

attachment.aspx

attachment.aspx

4025 ms

Thumbnail.ashx

Thumbnail.ashx

2707 ms

Thumbnail.ashx

Thumbnail.ashx

2708 ms

Thumbnail.ashx

Thumbnail.ashx

2790 ms

Thumbnail.ashx

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2813 ms

Thumbnail.ashx

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2870 ms

Thumbnail.ashx

Thumbnail.ashx

2880 ms

Thumbnail.ashx

Thumbnail.ashx

2883 ms

Thumbnail.ashx

Thumbnail.ashx

2987 ms

attachment.aspx

attachment.aspx

3157 ms

attachment.aspx

attachment.aspx

3067 ms

Thumbnail.ashx

Thumbnail.ashx

3099 ms

Thumbnail.ashx

Thumbnail.ashx

3100 ms

Thumbnail.ashx

Thumbnail.ashx

3175 ms

Thumbnail.ashx

Thumbnail.ashx

3323 ms

all.js

all.js

170 ms

upload.gif

upload.gif

149 ms

widgets.js

widgets.js

15 ms

widget_subscribe.php

widget_subscribe.php

282 ms

hit

hit

263 ms

top100.scn

top100.scn

157 ms

analytics.js

analytics.js

34 ms

watch.js

watch.js

2 ms

button.71000885400e222c3c0eec823f8f93f0.js

button.71000885400e222c3c0eec823f8f93f0.js

22 ms

collect

collect

15 ms

follow_button.fd774b599f565016d763dd860cb31c79.ru.html

follow_button.fd774b599f565016d763dd860cb31c79.ru.html

17 ms

Thumbnail.ashx

Thumbnail.ashx

3176 ms

100 ms

xd_arbiter.php

xd_arbiter.php

147 ms

xd_arbiter.php

xd_arbiter.php

276 ms

jot

jot

120 ms

loader_nav19239_3.js

loader_nav19239_3.js

128 ms

lite.css

lite.css

133 ms

lite.js

lite.js

510 ms

lang3_0.js

lang3_0.js

249 ms

widget_subscribe.css

widget_subscribe.css

254 ms

xdm.js

xdm.js

256 ms

al_subscribe.js

al_subscribe.js

264 ms

hit

hit

132 ms

Thumbnail.ashx

Thumbnail.ashx

2330 ms

Thumbnail.ashx

Thumbnail.ashx

2328 ms

Thumbnail.ashx

Thumbnail.ashx

2311 ms

golden_site.jpg

golden_site.jpg

2593 ms

attachment.aspx

attachment.aspx

3291 ms

attachment.aspx

attachment.aspx

2598 ms

attachment.aspx

attachment.aspx

2630 ms

attachment.aspx

attachment.aspx

3150 ms

top_bg.gif

top_bg.gif

1817 ms

icons_social_new.gif

icons_social_new.gif

1622 ms

Accessibility Review

strf.ru accessibility score

70

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

strf.ru best practices score

75

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

SEO Factors

strf.ru SEO score

100

Search Engine Optimization Advices

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

    RU

  • Encoding

    UTF-8

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

strf.ru

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