Tools & Wizards About Us
o-math.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

o-math.com

Онлайн калькуляторы для решения задач по математике

Page Load Speed

5.4 sec in total

First Response

93 ms

Resources Loaded

5.2 sec

Page Rendered

151 ms

o-math.com screenshot

About Website

Click here to check amazing O Math content for Ukraine. Otherwise, check out these important facts you probably never knew about o-math.com

Математические онлайн калькуляторы, которые детально расписывают ход решения задач, что позволяет не только получить результат, но и научиться решать математические задачи, найти и исправить ошибки в ...

Visit o-math.com

Key Findings

We analyzed O-math.com page load time and found that the first response time was 93 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

o-math.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value6,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.188

65/100

15%

TTI (Time to Interactive)

Value36.6 s

0/100

10%

Network Requests Diagram

93 ms

style.css

88 ms

jquery-1.3.2.min.js

258 ms

adsbygoogle.js

161 ms

widgets.js

15 ms

Our browser made a total of 178 requests to load all elements on the main page. We found that 2% of them (4 requests) were addressed to the original O-math.com, 42% (75 requests) were made to St6-21.vk.com and 6% (10 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source My1.imgsmail.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 764.4 kB (17%)

Content Size

4.5 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of O-math.com main page is 4.5 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. 75% 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. Javascripts take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 35.2 kB

  • Original 45.0 kB
  • After minification 44.7 kB
  • After compression 9.8 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 35.2 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 3.0 kB

  • Original 107.4 kB
  • After minification 104.4 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. O Math images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 605.6 kB

  • Original 3.7 MB
  • After minification 3.7 MB
  • After compression 3.0 MB

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 605.6 kB or 17% of the original size.

CSS Optimization

-16%

Potential reduce by 120.7 kB

  • Original 733.1 kB
  • After minification 733.1 kB
  • After compression 612.4 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. O-math.com needs all CSS files to be minified and compressed as it can save up to 120.7 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 136 (83%)

Requests Now

164

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 164 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O Math. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 89 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

93 ms

style.css

style.css

88 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

258 ms

adsbygoogle.js

adsbygoogle.js

161 ms

widgets.js

widgets.js

15 ms

loader.js

loader.js

664 ms

plusone.js

plusone.js

83 ms

oms.png

oms.png

124 ms

show_ads_impl.js

show_ads_impl.js

250 ms

openapi.js

openapi.js

216 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

8 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

31 ms

fastbutton

fastbutton

42 ms

like.php

like.php

508 ms

postmessageRelay

postmessageRelay

78 ms

developers.google.com

developers.google.com

313 ms

3636781319-postmessagerelay.js

3636781319-postmessagerelay.js

21 ms

rpc:shindig_random.js

rpc:shindig_random.js

8 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

3 ms

zrt_lookup.html

zrt_lookup.html

29 ms

ads

ads

439 ms

loader.js

loader.js

565 ms

P9fBHc2hGmb.js

P9fBHc2hGmb.js

22 ms

FEppCFCt76d.png

FEppCFCt76d.png

12 ms

openapi.c340c125c61ec5745ebb2a98626e46ab.js

openapi.c340c125c61ec5745ebb2a98626e46ab.js

221 ms

reactive_library.js

reactive_library.js

153 ms

ca-pub-2666212829025044

ca-pub-2666212829025044

81 ms

slotcar_library.js

slotcar_library.js

114 ms

grstat

grstat

752 ms

api_min.js

api_min.js

846 ms

like.php

like.php

149 ms

upload.gif

upload.gif

123 ms

grstat

grstat

709 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

61 ms

fastbutton

fastbutton

7 ms

widget_like.php

widget_like.php

425 ms

widget_like.php

widget_like.php

698 ms

widget_comments.php

widget_comments.php

1156 ms

settings

settings

135 ms

1dc256f7f6f8353c09e2716aae9f7dd5.js

1dc256f7f6f8353c09e2716aae9f7dd5.js

58 ms

load_preloaded_resource.js

load_preloaded_resource.js

62 ms

ff197a3e8b771c63e82671f7cc9a48d9.js

ff197a3e8b771c63e82671f7cc9a48d9.js

64 ms

abg_lite.js

abg_lite.js

66 ms

window_focus.js

window_focus.js

71 ms

qs_click_protection.js

qs_click_protection.js

71 ms

ufs_web_display.js

ufs_web_display.js

33 ms

8f33fcfe8f3fcce72fae06ada870480b.js

8f33fcfe8f3fcce72fae06ada870480b.js

68 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

66 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

66 ms

pixel

pixel

81 ms

dv3.js

dv3.js

100 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

52 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

52 ms

gen_204

gen_204

99 ms

developers.google.com

developers.google.com

614 ms

pixel

pixel

80 ms

pixel

pixel

81 ms

ad

ad

51 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

7 ms

embeds

embeds

31 ms

embeds

embeds

221 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.ru.html

tweet_button.2f70fb173b9000da126c79afe2098f02.ru.html

19 ms

rum

rum

198 ms

setuid

setuid

201 ms

abg_lite.js

abg_lite.js

194 ms

Q12zgMmT.js

Q12zgMmT.js

191 ms

icon.png

icon.png

191 ms

102 ms

loader_nav211714355736_3.js

loader_nav211714355736_3.js

714 ms

lite.c9bfd4eb.css

lite.c9bfd4eb.css

831 ms

lang3_2.js

lang3_2.js

577 ms

c3d11fba.4e8b12d8.js

c3d11fba.4e8b12d8.js

744 ms

vkui.2b67d8c9.css

vkui.2b67d8c9.css

904 ms

xdm.js

xdm.js

741 ms

widgets.d2d14ebe.css

widgets.d2d14ebe.css

741 ms

al_like.js

al_like.js

763 ms

base.3e47d375.css

base.3e47d375.css

873 ms

10437670370616573152

10437670370616573152

57 ms

14763004658117789537

14763004658117789537

55 ms

pixel

pixel

150 ms

pixel

pixel

146 ms

62bHydCX.html

62bHydCX.html

122 ms

s

s

115 ms

css

css

244 ms

rum

rum

144 ms

ftUtils.js

ftUtils.js

117 ms

ckySkFmwfmQXT3S4i881M7X0Dq040p3kAeEpVWKJmn8.js

ckySkFmwfmQXT3S4i881M7X0Dq040p3kAeEpVWKJmn8.js

25 ms

activeview

activeview

102 ms

share_button

share_button

140 ms

share_button

share_button

253 ms

4615822.json

4615822.json

27 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

43 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

43 ms

lite.f8081c5724ea3c8f7503758696b1108c.js

lite.f8081c5724ea3c8f7503758696b1108c.js

378 ms

share_button

share_button

499 ms

fonts_cnt.c7a76efe.css

fonts_cnt.c7a76efe.css

529 ms

polyfills.c3a1b892.js

polyfills.c3a1b892.js

213 ms

reports.5e617ad9.css

reports.5e617ad9.css

196 ms

ui_common.f1e97277.css

ui_common.f1e97277.css

268 ms

vkcom-kit.b2c159d7.css

vkcom-kit.b2c159d7.css

403 ms

vkcom-kit.67414b9b.js

vkcom-kit.67414b9b.js

675 ms

react.6a15a5cc.js

react.6a15a5cc.js

471 ms

vkcom-kit-icons.a43a129b.js

vkcom-kit-icons.a43a129b.js

425 ms

vkui.a8c25da9.js

vkui.a8c25da9.js

520 ms

state-management.a46c500d.js

state-management.a46c500d.js

519 ms

architecture-mobx.0151929f.js

architecture-mobx.0151929f.js

563 ms

audioplayer-lib.93b52d88.css

audioplayer-lib.93b52d88.css

567 ms

audioplayer-lib.6580aea3.js

audioplayer-lib.6580aea3.js

672 ms

bootstrap.3872ae71.js

bootstrap.3872ae71.js

682 ms

core_spa.407b8683.js

core_spa.407b8683.js

625 ms

common.075326b7.js

common.075326b7.js

756 ms

7f463667.b3f6bf8c.js

7f463667.b3f6bf8c.js

669 ms

ui_common.43d06ff5.css

ui_common.43d06ff5.css

712 ms

ui_common.0ba65ab5.js

ui_common.0ba65ab5.js

769 ms

palette.c6252453.css

palette.c6252453.css

765 ms

palette.c26280ac.js

palette.c26280ac.js

777 ms

f371ea0d.e5f793f0.js

f371ea0d.e5f793f0.js

761 ms

782f47a3.b02f32a2.js

782f47a3.b02f32a2.js

799 ms

39820787.6c061e65.js

39820787.6c061e65.js

844 ms

fc936a0f.f81dde02.js

fc936a0f.f81dde02.js

842 ms

f3627a66.f6d745d1.js

f3627a66.f6d745d1.js

885 ms

emoji.dc99d1f7.css

emoji.dc99d1f7.css

852 ms

emoji.4156adeb.js

emoji.4156adeb.js

873 ms

notifier.fcca6e68.css

notifier.fcca6e68.css

888 ms

share_button

share_button

501 ms

ui_media_selector.43d06ff5.css

ui_media_selector.43d06ff5.css

868 ms

ui_media_selector.2e6f2ad1.css

ui_media_selector.2e6f2ad1.css

875 ms

audioplayer.43d06ff5.css

audioplayer.43d06ff5.css

876 ms

page.f7c64e5f.css

page.f7c64e5f.css

968 ms

post.0244f74c.css

post.0244f74c.css

815 ms

page.714311d1.css

page.714311d1.css

785 ms

vkcom-kit.012f601d.css

vkcom-kit.012f601d.css

819 ms

audioplayer-lib.85b39ca5.css

audioplayer-lib.85b39ca5.css

815 ms

comments.640eed5d.css

comments.640eed5d.css

752 ms

widget_comments.58f8ae3e.css

widget_comments.58f8ae3e.css

790 ms

jquery.js

jquery.js

1206 ms

uber-share.js

uber-share.js

814 ms

20.css

20.css

819 ms

likes.43d06ff5.css

likes.43d06ff5.css

668 ms

b691fd56.b6cdcd2d.js

b691fd56.b6cdcd2d.js

679 ms

ui_media_selector.6874d335.js

ui_media_selector.6874d335.js

637 ms

audioplayer.94a9170b.js

audioplayer.94a9170b.js

597 ms

aee1802d.368df38c.js

aee1802d.368df38c.js

634 ms

437301f9.85b041b4.js

437301f9.85b041b4.js

592 ms

c32d0af5.b6d8d0b9.js

c32d0af5.b6d8d0b9.js

609 ms

429e74a8.166a2183.js

429e74a8.166a2183.js

619 ms

73310976.76b94d24.js

73310976.76b94d24.js

652 ms

page.62b42b4a.js

page.62b42b4a.js

538 ms

vkcom-kit.a9e968a9.js

vkcom-kit.a9e968a9.js

601 ms

vkcom-kit-icons.28a24691.js

vkcom-kit-icons.28a24691.js

564 ms

architecture-mobx.cb627586.js

architecture-mobx.cb627586.js

589 ms

audioplayer-lib.9abd0669.js

audioplayer-lib.9abd0669.js

564 ms

react.84cfd9aa.js

react.84cfd9aa.js

564 ms

state-management.60b70a9c.js

state-management.60b70a9c.js

574 ms

vkui.511be7e0.js

vkui.511be7e0.js

652 ms

0fc69f32.50a5506a.js

0fc69f32.50a5506a.js

599 ms

79661701.993e9d31.js

79661701.993e9d31.js

581 ms

57703e15.d612be1a.js

57703e15.d612be1a.js

561 ms

edb6ffde.ee43f141.js

edb6ffde.ee43f141.js

599 ms

comments.91b97279.js

comments.91b97279.js

588 ms

6056d482.d934d35f.js

6056d482.d934d35f.js

588 ms

5233f55c.01144a56.js

5233f55c.01144a56.js

586 ms

23cad2f0.2f3019d3.js

23cad2f0.2f3019d3.js

576 ms

82fab9f9.32f2ca13.js

82fab9f9.32f2ca13.js

634 ms

likes.4ad8002a.js

likes.4ad8002a.js

597 ms

like_widget.png

like_widget.png

587 ms

upload.gif

upload.gif

623 ms

mmv1pcj63C4.png

mmv1pcj63C4.png

627 ms

TWmNFbzp4csp1ul48PWxuLE-v9zpN3EqkdCWpSD0HLg_ypn2PleKERhIYtN6cGeTKvbdJLf32KJ3s6wL2Q7Oz9tS.jpg

TWmNFbzp4csp1ul48PWxuLE-v9zpN3EqkdCWpSD0HLg_ypn2PleKERhIYtN6cGeTKvbdJLf32KJ3s6wL2Q7Oz9tS.jpg

685 ms

R3ZMLNkU8Tk.png

R3ZMLNkU8Tk.png

491 ms

-hrr3QaaT99bFe7GUM72u4_ovTgTbaPLfwUcu4WYCLB0741ub-UtSXq65c46D483D9I-Sr3RZk_qo0Um0ek9Qdkn.jpg

-hrr3QaaT99bFe7GUM72u4_ovTgTbaPLfwUcu4WYCLB0741ub-UtSXq65c46D483D9I-Sr3RZk_qo0Um0ek9Qdkn.jpg

596 ms

ImT0Te3U1QQ4LCJDz5-Jb36-PPzsrm5ZRV1nbBlqfRkWm7vDyyKz4MhUwR9zOKaNUONgfSKhJxom4biI4-crhYW-.jpg

ImT0Te3U1QQ4LCJDz5-Jb36-PPzsrm5ZRV1nbBlqfRkWm7vDyyKz4MhUwR9zOKaNUONgfSKhJxom4biI4-crhYW-.jpg

627 ms

QulWsGFAn5k.png

QulWsGFAn5k.png

636 ms

mm-oval.png

mm-oval.png

138 ms

preloader.gif

preloader.gif

135 ms

grstat

grstat

502 ms

d525461.gif

d525461.gif

774 ms

d525461.gif

d525461.gif

901 ms

Accessibility Review

o-math.com accessibility score

94

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

Best Practices

o-math.com 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

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

o-math.com SEO score

93

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

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 O-math.com 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 O-math.com 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

o-math.com

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