Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

polvision.eu

Industrial video surveillance and security systems online store, CCTV - POLVISION Shop

Page Load Speed

4.2 sec in total

First Response

965 ms

Resources Loaded

2.9 sec

Page Rendered

307 ms

About Website

Click here to check amazing POLVISION content. Otherwise, check out these important facts you probably never knew about polvision.eu

Our online store is the most modern products for security and video surveillance systems intended for companies and enterprises

Visit polvision.eu

Key Findings

We analyzed Polvision.eu page load time and found that the first response time was 965 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

polvision.eu performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.906

3/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

www.polvision.eu

965 ms

MTQ6ODY4OjUuMjQuMTA.css

341 ms

main.c20f4015de7ac99265ad.min.js

905 ms

en_US.js

488 ms

user.js

494 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 77% of them (20 requests) were addressed to the original Polvision.eu, 8% (2 requests) were made to Googletagmanager.com and 4% (1 request) were made to Dcsaascdn.net. The less responsive or slowest element that took the longest time to load (965 ms) belongs to the original domain Polvision.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.0 kB (11%)

Content Size

872.9 kB

After Optimization

778.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Polvision.eu main page is 872.9 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. 20% of websites need less resources to load. Images take 457.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 90.6 kB

  • Original 105.1 kB
  • After minification 58.4 kB
  • After compression 14.4 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 46.7 kB, which is 44% 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 90.6 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 3.1 kB

  • Original 457.6 kB
  • After minification 454.5 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. POLVISION images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 246 B

  • Original 247.1 kB
  • After minification 247.1 kB
  • After compression 246.8 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

-0%

Potential reduce by 0 B

  • Original 63.1 kB
  • After minification 63.1 kB
  • After compression 63.1 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. Polvision.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (65%)

Requests Now

23

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of POLVISION. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

polvision.eu accessibility score

66

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

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

polvision.eu 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

Missing source maps for large first-party JavaScript

SEO Factors

polvision.eu SEO score

93

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Polvision.eu 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 Polvision.eu 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 POLVISION. 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: