Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

1z.su

Услуги СЦ"S-SERVISE" - Компьютерный сервис центр "S-SERVISE" предлагает услуги мастера на дому: ремонт и настройка компьютеров, ноутбуков, iPad, iPhon...

Page Load Speed

3.7 sec in total

First Response

462 ms

Resources Loaded

3.1 sec

Page Rendered

164 ms

About Website

Visit 1z.su now to see the best up-to-date 1 Z content and also check out these interesting facts you probably never knew about 1z.su

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Visit 1z.su

Key Findings

We analyzed 1z.su page load time and found that the first response time was 462 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

1z.su performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

1z.su

462 ms

www.1z.su

647 ms

style.css

252 ms

css_browser_selector.js

253 ms

navigation-2dfc7fbf-aff5-0b58-edf2-b24151fcdc65.css

255 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 94% of them (67 requests) were addressed to the original 1z.su, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Bs.yandex.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain 1z.su.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.1 kB (31%)

Content Size

684.2 kB

After Optimization

469.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 1z.su main page is 684.2 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. 30% of websites need less resources to load. Images take 383.7 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 177.5 kB

  • Original 198.3 kB
  • After minification 170.7 kB
  • After compression 20.7 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 27.6 kB, which is 14% 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 177.5 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 3.4 kB

  • Original 383.7 kB
  • After minification 380.2 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. 1 Z images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 32.9 kB

  • Original 92.5 kB
  • After minification 92.5 kB
  • After compression 59.7 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 32.9 kB or 36% of the original size.

CSS Optimization

-13%

Potential reduce by 1.3 kB

  • Original 9.7 kB
  • After minification 9.3 kB
  • After compression 8.4 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. 1z.su needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (76%)

Requests Now

67

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1 Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

1z.su accessibility score

100

Accessibility Issues

Best Practices

1z.su best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

1z.su SEO score

92

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

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 1z.su 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 1z.su 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

Open Graph description is not detected on the main page of 1 Z. 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: