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u-4.net screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

u-4.net

Pick the right solution and buy apps with a huge discount!

Page Load Speed

2.8 sec in total

First Response

67 ms

Resources Loaded

2.3 sec

Page Rendered

381 ms

u-4.net screenshot

About Website

Welcome to u-4.net homepage info - get ready to check U 4 best content right away, or after learning these important things about u-4.net

Monitoring software products belong to the kind of specialized software, designed to record information about users’ activity on PC, Mac and smartphones.

Visit u-4.net

Key Findings

We analyzed U-4.net page load time and found that the first response time was 67 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

u-4.net performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

u-4.net

67 ms

u-4.net

85 ms

83 ms

jquery.min.js

30 ms

responsiveslides.js

81 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 82% of them (37 requests) were addressed to the original U-4.net, 4% (2 requests) were made to Pagead2.googlesyndication.com and 4% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (633 ms) belongs to the original domain U-4.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.0 kB (11%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of U-4.net 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. 50% of websites need less resources to load. Images take 881.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 45.6 kB

  • Original 61.8 kB
  • After minification 61.8 kB
  • After compression 16.2 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 45.6 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 70.2 kB

  • Original 881.4 kB
  • After minification 811.2 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. U 4 images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 26.9 kB

  • Original 360.8 kB
  • After minification 360.7 kB
  • After compression 333.8 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

-12%

Potential reduce by 7.4 kB

  • Original 62.6 kB
  • After minification 62.6 kB
  • After compression 55.2 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. U-4.net needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (74%)

Requests Now

39

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U 4. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

u-4.net

u-4.net

67 ms

u-4.net

u-4.net

85 ms

83 ms

jquery.min.js

jquery.min.js

30 ms

responsiveslides.js

responsiveslides.js

81 ms

script.js

script.js

83 ms

0-css3111ee854b1f29438800d3e76eb889247536d79140e17b0f283c26ae6a109.css

0-css3111ee854b1f29438800d3e76eb889247536d79140e17b0f283c26ae6a109.css

135 ms

0-cssd02a53cde9c97c06da34af9032a75f14a1017a2870c1c458f5daa58befc9e.css

0-cssd02a53cde9c97c06da34af9032a75f14a1017a2870c1c458f5daa58befc9e.css

96 ms

0-cssf89e0feaab72d71454c71de6488e3fbe859116a8e5aeb12a3a54d45db21ea.css

0-cssf89e0feaab72d71454c71de6488e3fbe859116a8e5aeb12a3a54d45db21ea.css

96 ms

0-css88ee915c6d128ed162c1d374965f2e79a74954bdf1d1d7416167505385518.css

0-css88ee915c6d128ed162c1d374965f2e79a74954bdf1d1d7416167505385518.css

144 ms

0-cssdafa86dc4c459c46ec638b4e468bb561774d376a0e8e743f36f3415169786.css

0-cssdafa86dc4c459c46ec638b4e468bb561774d376a0e8e743f36f3415169786.css

171 ms

0-cssa0bcd7f0b06ca3ba451831a3989e9cc4d4a1b759462b9024e93e55e9f78c0.css

0-cssa0bcd7f0b06ca3ba451831a3989e9cc4d4a1b759462b9024e93e55e9f78c0.css

178 ms

0-csse5fc7ec66f9740a2413076dbc9748e574fb853128ff4abfe488cff1cc0c17.css

0-csse5fc7ec66f9740a2413076dbc9748e574fb853128ff4abfe488cff1cc0c17.css

175 ms

0-css7e3c8f02e165d71ca32bbde302b3fa0eea21440e959f5f0b756938693b4b5.css

0-css7e3c8f02e165d71ca32bbde302b3fa0eea21440e959f5f0b756938693b4b5.css

173 ms

jquery.min.js

jquery.min.js

264 ms

jquery-migrate.min.js

jquery-migrate.min.js

220 ms

jquery.swipebox.min.js

jquery.swipebox.min.js

257 ms

underscore.min.js

underscore.min.js

246 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

279 ms

front.js

front.js

279 ms

adsbygoogle.js

adsbygoogle.js

329 ms

addthis_widget.js

addthis_widget.js

190 ms

fr_cmpl.js

fr_cmpl.js

316 ms

0-css11295e649eb604c1545bf2e91628c8b3fa1d4ee7417d40718fc0fb9e16c6f.css

0-css11295e649eb604c1545bf2e91628c8b3fa1d4ee7417d40718fc0fb9e16c6f.css

316 ms

0-cssff0be712ab8f956e1cffbdb7e899b4d6fa9bb61c52dca6251486a18d2917d.css

0-cssff0be712ab8f956e1cffbdb7e899b4d6fa9bb61c52dca6251486a18d2917d.css

381 ms

index.js

index.js

624 ms

index.js

index.js

633 ms

api.js

api.js

39 ms

modernizr.min.js

modernizr.min.js

383 ms

bootstrap.min.js

bootstrap.min.js

395 ms

responsiveslides.min.js

responsiveslides.min.js

404 ms

script.min.js

script.min.js

434 ms

logo.png

logo.png

182 ms

modern-office-centers.jpg

modern-office-centers.jpg

241 ms

modern-office.jpg

modern-office.jpg

242 ms

the-best-software-that-helps-you-find-out-a-cheating-spouse.jpg

the-best-software-that-helps-you-find-out-a-cheating-spouse.jpg

259 ms

workplace-monitoring-software-computer-surveillance.jpg

workplace-monitoring-software-computer-surveillance.jpg

259 ms

prevent-your-child-from-visiting-inappropriate-sites.jpg

prevent-your-child-from-visiting-inappropriate-sites.jpg

416 ms

rss.png

rss.png

337 ms

Rectangle.svg

Rectangle.svg

339 ms

6aez4K2oVqwIvtg2GQ.woff

6aez4K2oVqwIvtg2GQ.woff

139 ms

6ae84K2oVqwItm4TCp0y3A.woff

6ae84K2oVqwItm4TCp0y3A.woff

202 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

385 ms

show_ads_impl.js

show_ads_impl.js

332 ms

recaptcha__en.js

recaptcha__en.js

94 ms

Accessibility Review

u-4.net accessibility score

96

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

Links do not have a discernible name

Best Practices

u-4.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

u-4.net SEO score

90

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise U-4.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that U-4.net 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

u-4.net

Open Graph description is not detected on the main page of U 4. 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: