Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

ervist.ru

ЭРВИСТ - промышленная безопасность, автоматика и сигнализация, видеонаблюдение

Page Load Speed

5.2 sec in total

First Response

550 ms

Resources Loaded

4.5 sec

Page Rendered

154 ms

About Website

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

Оборудование во взрывозащищенном исполнении. Каталог врывобезопасного оборудования.

Visit ervist.ru

Key Findings

We analyzed Ervist.ru page load time and found that the first response time was 550 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ervist.ru performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value2,390 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.624

10/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

ervist.ru

550 ms

ervist.ru

745 ms

simple-line-icons.css

36 ms

k2.css

147 ms

jquery.min.js

438 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 60% of them (31 requests) were addressed to the original Ervist.ru, 10% (5 requests) were made to Gstatic.com and 10% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Ervist.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.1 kB (4%)

Content Size

3.4 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ervist.ru main page is 3.4 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. 45% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 41.3 kB

  • Original 50.6 kB
  • After minification 38.6 kB
  • After compression 9.3 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 11.9 kB, which is 24% 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 41.3 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 19.1 kB

  • Original 2.8 MB
  • After minification 2.8 MB

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. Ervist images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 49.5 kB

  • Original 454.9 kB
  • After minification 454.5 kB
  • After compression 405.4 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 49.5 kB or 11% of the original size.

CSS Optimization

-21%

Potential reduce by 22.2 kB

  • Original 106.3 kB
  • After minification 106.0 kB
  • After compression 84.1 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. Ervist.ru needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (61%)

Requests Now

44

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ervist. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ervist.ru accessibility score

83

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-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ervist.ru 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ervist.ru 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

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

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 Ervist.ru 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 Ervist.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

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