Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

155.kz

Скупка Радиодеталей- Алматы | Казахстан -2024 :: Покупаем Радиодетали

Page Load Speed

3.5 sec in total

First Response

403 ms

Resources Loaded

2.9 sec

Page Rendered

284 ms

About Website

Click here to check amazing 155 content for Kazakhstan. Otherwise, check out these important facts you probably never knew about 155.kz

Прием радиодеталей в Алматы. Покупаем радиолом по лучшим ценам в Казахстане. Скупка реле, транзисторов,микросхем

Visit 155.kz

Key Findings

We analyzed 155.kz page load time and found that the first response time was 403 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

155.kz performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

43/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value260 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

155.kz

403 ms

155.kz

682 ms

styles.css

136 ms

jquery.fancybox-1.3.4.css

269 ms

jquery.js

539 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 81% of them (26 requests) were addressed to the original 155.kz, 6% (2 requests) were made to Kazfin.info and 3% (1 request) were made to Bs.yandex.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source App.hoversignal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.3 kB (12%)

Content Size

875.5 kB

After Optimization

771.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 155.kz main page is 875.5 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. 25% of websites need less resources to load. Images take 673.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 61.1 kB

  • Original 70.8 kB
  • After minification 66.6 kB
  • After compression 9.7 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. 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 61.1 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 28.4 kB

  • Original 673.2 kB
  • After minification 644.8 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. 155 images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 13.3 kB

  • Original 125.1 kB
  • After minification 125.1 kB
  • After compression 111.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 13.3 kB or 11% of the original size.

CSS Optimization

-23%

Potential reduce by 1.5 kB

  • Original 6.3 kB
  • After minification 6.3 kB
  • After compression 4.9 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. 155.kz needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (46%)

Requests Now

26

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 155. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

155.kz accessibility score

69

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Image elements do not have [alt] attributes

Best Practices

155.kz best practices score

50

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

155.kz SEO score

58

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 155.kz 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 155.kz 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 155. 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: