Tools & Wizards About Us
clow.ru screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

clow.ru

Clow.ru: Познавательный портал

Page Load Speed

9.5 sec in total

First Response

867 ms

Resources Loaded

8.1 sec

Page Rendered

490 ms

clow.ru screenshot

About Website

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

Главная страница | Clow.ru: Познавательный портал

Visit clow.ru

Key Findings

We analyzed Clow.ru page load time and found that the first response time was 867 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

clow.ru performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value4,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value38.0 s

0/100

10%

Network Requests Diagram

clow.ru

867 ms

styles.css

258 ms

mt.js

400 ms

brand

32 ms

brand

48 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 41% of them (43 requests) were addressed to the original Clow.ru, 11% (11 requests) were made to Ads.claw.ru and 7% (7 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Clow.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.6 kB (25%)

Content Size

721.7 kB

After Optimization

538.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Clow.ru main page is 721.7 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. 45% of websites need less resources to load. Images take 441.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 68.6 kB

  • Original 85.4 kB
  • After minification 84.6 kB
  • After compression 16.8 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 68.6 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 23.5 kB

  • Original 441.8 kB
  • After minification 418.4 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. Clow images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 65.4 kB

  • Original 162.9 kB
  • After minification 156.1 kB
  • After compression 97.5 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 65.4 kB or 40% of the original size.

CSS Optimization

-83%

Potential reduce by 26.1 kB

  • Original 31.6 kB
  • After minification 22.7 kB
  • After compression 5.4 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. Clow.ru needs all CSS files to be minified and compressed as it can save up to 26.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (39%)

Requests Now

93

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clow. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

clow.ru

clow.ru

867 ms

styles.css

styles.css

258 ms

mt.js

mt.js

400 ms

brand

brand

32 ms

brand

brand

48 ms

zp.js

zp.js

651 ms

blog.css

blog.css

131 ms

screen.css

screen.css

264 ms

hit;clow

hit;clow

311 ms

mininav-create-bg.gif

mininav-create-bg.gif

141 ms

logo.jpg

logo.jpg

142 ms

bullet_yellow.png

bullet_yellow.png

140 ms

twitter.png

twitter.png

303 ms

feed.png

feed.png

416 ms

rss-email.png

rss-email.png

262 ms

education.jpg

education.jpg

415 ms

stolica.jpg

stolica.jpg

418 ms

biologia.jpg

biologia.jpg

306 ms

skazki.jpg

skazki.jpg

411 ms

vmiregivotnix.jpg

vmiregivotnix.jpg

551 ms

obhestvo.jpg

obhestvo.jpg

420 ms

rossiaflag.jpg

rossiaflag.jpg

544 ms

dictionary.jpg

dictionary.jpg

547 ms

geografia.jpg

geografia.jpg

715 ms

history.jpg

history.jpg

715 ms

gerbrossii.jpg

gerbrossii.jpg

553 ms

strana.jpg

strana.jpg

705 ms

gizhnazemle.jpg

gizhnazemle.jpg

945 ms

zemlia.jpg

zemlia.jpg

713 ms

sobaki.jpg

sobaki.jpg

741 ms

ptici.jpg

ptici.jpg

1510 ms

aquarium.jpg

aquarium.jpg

1090 ms

moscow.jpg

moscow.jpg

1084 ms

jazik.jpg

jazik.jpg

944 ms

etnografia.jpg

etnografia.jpg

1766 ms

vrubel.jpg

vrubel.jpg

1080 ms

education123-thumb-autox73-10631.jpg

education123-thumb-autox73-10631.jpg

1088 ms

4567457-thumb-autox73-10516.jpg

4567457-thumb-autox73-10516.jpg

1346 ms

4353452345-thumb-autox73-10515.jpg

4353452345-thumb-autox73-10515.jpg

1372 ms

98976979-thumb-autox73-10450.jpg

98976979-thumb-autox73-10450.jpg

1345 ms

oknovevropu-thumb-autox73-10437.jpg

oknovevropu-thumb-autox73-10437.jpg

1369 ms

4445465765-thumb-autox73-10434.jpg

4445465765-thumb-autox73-10434.jpg

1421 ms

347347373-thumb-autox73-10411.jpg

347347373-thumb-autox73-10411.jpg

1431 ms

32643624%D0%BD624-thumb-autox73-10384.jpg

32643624%D0%BD624-thumb-autox73-10384.jpg

1442 ms

logo;clow

logo;clow

288 ms

ajs.php

ajs.php

500 ms

6346236-thumb-autox73-10375.jpg

6346236-thumb-autox73-10375.jpg

1429 ms

banner-link

banner-link

2889 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

102 ms

ajs.php

ajs.php

287 ms

show_ads.js

show_ads.js

173 ms

ca-pub-4531601484983953.js

ca-pub-4531601484983953.js

291 ms

zrt_lookup.html

zrt_lookup.html

76 ms

show_ads_impl.js

show_ads_impl.js

80 ms

ajs.php

ajs.php

283 ms

ads

ads

227 ms

counter2

counter2

163 ms

osd.js

osd.js

72 ms

ads

ads

246 ms

ajs.php

ajs.php

160 ms

abg.js

abg.js

84 ms

adsbygoogle.js

adsbygoogle.js

11 ms

header-arrow-medium.gif

header-arrow-medium.gif

145 ms

ajs.php

ajs.php

200 ms

ads

ads

271 ms

aviasales72890.html

aviasales72890.html

362 ms

banner-claw-smi2-vezuchiy.html

banner-claw-smi2-vezuchiy.html

729 ms

aci.js

aci.js

3145 ms

ajs.php

ajs.php

211 ms

3012525042521400037

3012525042521400037

40 ms

googlelogo_dark_color_84x28dp.png

googlelogo_dark_color_84x28dp.png

512 ms

s

s

11 ms

m_js_controller.js

m_js_controller.js

13 ms

iconx2-000000.png

iconx2-000000.png

96 ms

x_button_blue2.png

x_button_blue2.png

100 ms

728x90.gif

728x90.gif

1076 ms

news.js

news.js

1557 ms

googlelogo_dark_color_84x28dp.png

googlelogo_dark_color_84x28dp.png

157 ms

39758.js

39758.js

539 ms

j6SDDiQit5YY48GNgPpnCluJgoNCzbKlh5o6eVjReZI.js

j6SDDiQit5YY48GNgPpnCluJgoNCzbKlh5o6eVjReZI.js

6 ms

2945544.jpeg

2945544.jpeg

277 ms

2934145.jpeg

2934145.jpeg

269 ms

274 ms

267 ms

activeview

activeview

51 ms

footer-bg.gif

footer-bg.gif

3398 ms

arrowmain.png

arrowmain.png

601 ms

295 ms

watch.js

watch.js

9 ms

ajs.php

ajs.php

416 ms

305 ms

al.php

al.php

243 ms

banner-claw-smi2-additional.html

banner-claw-smi2-additional.html

98 ms

close.gif

close.gif

131 ms

impression.html

impression.html

312 ms

extra.js

extra.js

314 ms

41221.js

41221.js

295 ms

2934145.jpeg

2934145.jpeg

291 ms

116 ms

195 ms

200 ms

267 ms

support.html

support.html

162 ms

match

match

212 ms

Accessibility Review

clow.ru accessibility score

54

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

clow.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

clow.ru SEO score

62

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 Clow.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 Clow.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

clow.ru

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