Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

top15.biz

TOP15.biz - рейтинг компаний, справочник по бизнес отраслям

Page Load Speed

14.1 sec in total

First Response

1.8 sec

Resources Loaded

11.9 sec

Page Rendered

369 ms

top15.biz screenshot

About Website

Visit top15.biz now to see the best up-to-date TOP15 content for Russia and also check out these interesting facts you probably never knew about top15.biz

TOP15.biz - рейтинг компаний, отраслевой портал для частного, среднего и крупного бизнеса по городам и странам

Visit top15.biz

Key Findings

We analyzed Top15.biz page load time and found that the first response time was 1.8 sec and then it took 12.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

top15.biz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value13,220 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

Network Requests Diagram

top15.biz

1834 ms

styles.css

404 ms

style-fonts.css

1085 ms

jq-ui.css

410 ms

jq.js

4322 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 38% of them (19 requests) were addressed to the original Top15.biz, 12% (6 requests) were made to Tpc.googlesyndication.com and 10% (5 requests) were made to Online.top15.biz. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain Top15.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.3 kB (37%)

Content Size

308.2 kB

After Optimization

193.8 kB

In fact, the total size of Top15.biz main page is 308.2 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. 35% of websites need less resources to load. Javascripts take 134.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 19.0 kB

  • Original 24.9 kB
  • After minification 24.8 kB
  • After compression 5.9 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 19.0 kB or 76% of the original size.

Image Optimization

-15%

Potential reduce by 13.6 kB

  • Original 88.8 kB
  • After minification 75.2 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. Obviously, TOP15 needs image optimization as it can save up to 13.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 33.7 kB

  • Original 134.4 kB
  • After minification 134.3 kB
  • After compression 100.7 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 33.7 kB or 25% of the original size.

CSS Optimization

-80%

Potential reduce by 48.0 kB

  • Original 60.0 kB
  • After minification 49.6 kB
  • After compression 12.0 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. Top15.biz needs all CSS files to be minified and compressed as it can save up to 48.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (49%)

Requests Now

41

After Optimization

21

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TOP15. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

top15.biz accessibility score

70

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

top15.biz best practices score

67

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

top15.biz SEO score

85

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 doesn't use 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 Top15.biz 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 Top15.biz 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 TOP15. 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: