Tools & Wizards About Us
prepod24.ru screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

prepod24.ru

Препод24 | Помощь с учебой, консультации преподавателей

Page Load Speed

5.3 sec in total

First Response

527 ms

Resources Loaded

4.3 sec

Page Rendered

506 ms

prepod24.ru screenshot

About Website

Welcome to prepod24.ru homepage info - get ready to check Prepod 24 best content for Russia right away, or after learning these important things about prepod24.ru

Официальный сайт prepod24.ru. Сервис для студентов и преподавателей. Фриланс биржа в сфере образования.

Visit prepod24.ru

Key Findings

We analyzed Prepod24.ru page load time and found that the first response time was 527 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

prepod24.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value15.7 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value2,770 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

prepod24.ru

527 ms

prepod24.ru

1318 ms

tipsy.css

370 ms

bootstrap.min.css

639 ms

non-responsive2.css

378 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 76% of them (83 requests) were addressed to the original Prepod24.ru, 7% (8 requests) were made to Youtube.com and 5% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Prepod24.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 350.7 kB (19%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prepod24.ru main page is 1.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 210.9 kB

  • Original 254.7 kB
  • After minification 207.5 kB
  • After compression 43.8 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. This page needs HTML code to be minified as it can gain 47.2 kB, which is 19% 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 210.9 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 101.2 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Prepod 24 images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 24.4 kB

  • Original 362.0 kB
  • After minification 362.0 kB
  • After compression 337.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 14.1 kB

  • Original 103.8 kB
  • After minification 103.0 kB
  • After compression 89.7 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. Prepod24.ru needs all CSS files to be minified and compressed as it can save up to 14.1 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (57%)

Requests Now

99

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prepod 24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

prepod24.ru

prepod24.ru

527 ms

prepod24.ru

prepod24.ru

1318 ms

tipsy.css

tipsy.css

370 ms

bootstrap.min.css

bootstrap.min.css

639 ms

non-responsive2.css

non-responsive2.css

378 ms

jquery.gritter.css

jquery.gritter.css

380 ms

jquery.min.js

jquery.min.js

21 ms

colorbox.css

colorbox.css

386 ms

css

css

35 ms

jquery.signalR-2.2.0.min.js

jquery.signalR-2.2.0.min.js

388 ms

hubs

hubs

492 ms

hubConnectionService.js

hubConnectionService.js

502 ms

notify-messaging.js

notify-messaging.js

504 ms

ion.sound.min.js

ion.sound.min.js

513 ms

MessageBaloon.css

MessageBaloon.css

520 ms

stuff.css

stuff.css

616 ms

WebResource.axd

WebResource.axd

627 ms

WebResource.axd

WebResource.axd

631 ms

jqueryslidemenu.js

jqueryslidemenu.js

664 ms

perfect-scrollbar.css

perfect-scrollbar.css

665 ms

perfect-scrollbar.js

perfect-scrollbar.js

614 ms

Cabineta6.css

Cabineta6.css

635 ms

HtmlBlockcb.css

HtmlBlockcb.css

737 ms

CabMenu54.css

CabMenu54.css

761 ms

LoginStatus5e.css

LoginStatus5e.css

789 ms

style.css

style.css

859 ms

jquery.colorbox.js

jquery.colorbox.js

888 ms

jquery-ui.css

jquery-ui.css

4 ms

jquery.fancybox.css

jquery.fancybox.css

893 ms

chosen.css

chosen.css

893 ms

jquery-ui.min.js

jquery-ui.min.js

10 ms

jquery.fancybox.js

jquery.fancybox.js

915 ms

chosen.jquery.js

chosen.jquery.js

935 ms

jquery.textchange.js

jquery.textchange.js

983 ms

player_api

player_api

43 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

893 ms

bootstrap.min.js

bootstrap.min.js

786 ms

jquery.gritter.js

jquery.gritter.js

775 ms

custom.js

custom.js

809 ms

includes.js

includes.js

1228 ms

prepod24new_noauth.png

prepod24new_noauth.png

633 ms

video.png

video.png

633 ms

next1.png

next1.png

777 ms

prev1.png

prev1.png

778 ms

new_loader.gif

new_loader.gif

952 ms

clock2.png

clock2.png

954 ms

shield.png

shield.png

954 ms

feedbackAvatar1.png

feedbackAvatar1.png

954 ms

feedbackAvatar2.png

feedbackAvatar2.png

954 ms

feedbackAvatar3.png

feedbackAvatar3.png

1026 ms

next_s.png

next_s.png

1026 ms

Nastya1991_Avatar_e613722a-8209-4bbc-9ea5-ba1177bc09ea_153521e6f5f8e8c6c349bfebed60e356.jpg

Nastya1991_Avatar_e613722a-8209-4bbc-9ea5-ba1177bc09ea_153521e6f5f8e8c6c349bfebed60e356.jpg

953 ms

ordersDlg.png

ordersDlg.png

937 ms

hand-good.png

hand-good.png

933 ms

timur9975_Avatar_56317d8f-2770-4fad-9c01-48da41dfe3e5_%D1%86%D1%86%20419.jpg

timur9975_Avatar_56317d8f-2770-4fad-9c01-48da41dfe3e5_%D1%86%D1%86%20419.jpg

930 ms

%D0%90%D0%BD%D0%B0%D1%81%D1%82%D0%B0%D1%81%D0%B8%D1%8F24_Avatar_c2aa5731-9124-4939-a9e9-94d1a95a6eb4_%D0%BF%D1%80%D0%BE%D1%84%D0%B8%D0%BB%D1%8C.JPG

%D0%90%D0%BD%D0%B0%D1%81%D1%82%D0%B0%D1%81%D0%B8%D1%8F24_Avatar_c2aa5731-9124-4939-a9e9-94d1a95a6eb4_%D0%BF%D1%80%D0%BE%D1%84%D0%B8%D0%BB%D1%8C.JPG

994 ms

%D0%B5%D0%B2%D0%B3%D0%B5%D0%BD%D0%B8%D1%8F84_Avatar_565ea5de-5cac-48d3-890f-94751cb385fc_IMG-1454060791330-V.jpg

%D0%B5%D0%B2%D0%B3%D0%B5%D0%BD%D0%B8%D1%8F84_Avatar_565ea5de-5cac-48d3-890f-94751cb385fc_IMG-1454060791330-V.jpg

978 ms

evgenius_Avatar_f4ebec0e-d810-44ef-9388-1b5e8b93cc70_train-your-brain.jpg

evgenius_Avatar_f4ebec0e-d810-44ef-9388-1b5e8b93cc70_train-your-brain.jpg

899 ms

ninagirya_Avatar_c667dd23-4ea2-416b-adc5-59aeb3b5d1bb_IMG_0022.JPG

ninagirya_Avatar_c667dd23-4ea2-416b-adc5-59aeb3b5d1bb_IMG_0022.JPG

880 ms

%D0%9C%D1%83%D0%B4%D1%80%D0%B0%D1%8F%D0%A4%D0%B5%D1%8F_Avatar_bb2c1039-de7c-4d69-9fd6-df9e833cc06f_8OJi9T2mhTo.jpg

%D0%9C%D1%83%D0%B4%D1%80%D0%B0%D1%8F%D0%A4%D0%B5%D1%8F_Avatar_bb2c1039-de7c-4d69-9fd6-df9e833cc06f_8OJi9T2mhTo.jpg

877 ms

rectangle.png

rectangle.png

876 ms

prepod24_f.png

prepod24_f.png

1108 ms

pay2.png

pay2.png

1091 ms

krestik.png

krestik.png

992 ms

feedback.png

feedback.png

987 ms

feedback_overlay.png

feedback_overlay.png

980 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4taVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4taVc.ttf

44 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4taVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4taVc.ttf

57 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4taVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4taVc.ttf

56 ms

menubg.png

menubg.png

980 ms

footerbg.png

footerbg.png

1063 ms

dot-active.png

dot-active.png

1042 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

32 ms

pOX22KWrrUU

pOX22KWrrUU

103 ms

dot.png

dot.png

955 ms

bg-slide1.jpg

bg-slide1.jpg

1239 ms

bg-slide2.jpg

bg-slide2.jpg

1247 ms

bg-slide3.jpg

bg-slide3.jpg

1254 ms

bg-slide4.jpg

bg-slide4.jpg

1240 ms

watch.js

watch.js

34 ms

pOX22KWrrUU

pOX22KWrrUU

290 ms

www-widgetapi.js

www-widgetapi.js

39 ms

jquery.tipsy.js

jquery.tipsy.js

979 ms

www-player.css

www-player.css

14 ms

www-embed-player.js

www-embed-player.js

36 ms

base.js

base.js

67 ms

male2.png

male2.png

913 ms

locked2.png

locked2.png

981 ms

ad_status.js

ad_status.js

296 ms

cLine.jpg

cLine.jpg

851 ms

authline.png

authline.png

920 ms

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

214 ms

embed.js

embed.js

125 ms

def.png

def.png

809 ms

footerLine.jpg

footerLine.jpg

900 ms

lineYellow.png

lineYellow.png

909 ms

footerbg_home.png

footerbg_home.png

910 ms

bg-main.jpg

bg-main.jpg

1061 ms

chosen-sprite.png

chosen-sprite.png

849 ms

page_ico_2.png

page_ico_2.png

866 ms

phone2.png

phone2.png

946 ms

email.png

email.png

959 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

42 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

45 ms

id

id

38 ms

Create

Create

246 ms

Create

Create

344 ms

GenerateIT

GenerateIT

17 ms

GenerateIT

GenerateIT

23 ms

Accessibility Review

prepod24.ru accessibility score

73

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

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

prepod24.ru best practices score

58

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

High

Page has valid source maps

SEO Factors

prepod24.ru SEO score

64

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

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prepod24.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Prepod24.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

prepod24.ru

Open Graph description is not detected on the main page of Prepod 24. 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: