Access mercor.com.pl. Zabezpieczenia PPOŻ - Systemy przeciwpożarowe i systemy oddymiania

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,280 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

mercor.com.pl

384 ms

mercor.com.pl

638 ms

en

3205 ms

css2

49 ms

daterangepicker.css

33 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 74% of them (72 requests) were addressed to the original Mercor.com.pl, 5% (5 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Mercor.com.pl.

Content Size

10.0 MB

After Optimization

9.0 MB

In fact, the total size of Mercor.com.pl main page is 10.0 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. 70% of websites need less resources to load. Images take 9.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 148.8 kB

Original 163.2 kB
After minification 85.0 kB
After compression 14.3 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 78.1 kB, which is 48% 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 148.8 kB or 91% of the original size.

Image Optimization

-9%

Potential reduce by 801.0 kB

Original 9.1 MB
After minification 8.3 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. MERCOR Com images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 43.9 kB

Original 572.6 kB
After minification 572.6 kB
After compression 528.8 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

-18%

Potential reduce by 18.9 kB

Original 106.4 kB
After minification 106.4 kB
After compression 87.5 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. Mercor.com.pl needs all CSS files to be minified and compressed as it can save up to 18.9 kB or 18% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MERCOR Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role]s are not contained by their required parent element

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.

High

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

PL
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mercor.com.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it does not match the claimed English language. Our system also found out that Mercor.com.pl 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

mercor.com.pl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Zabezpieczenia PPOŻ - Systemy przeciwpożarowe i systemy oddymiania | MERCOR

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

mercor.com.pl

mercor.com.pl

en

css2

daterangepicker.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

mercor.com.pl

mercor.com.pl

en

css2

daterangepicker.css

app.css

js.cookie.min.js

jquery-3.2.1.min.js

popper.min.js

bootstrap.min.js

parsley.min.js

aos.min.js

jquery.matchHeight.min.js

jquery.magnific-popup.min.js

jquery.mask.min.js

jquery-ui.min.js

js.cookie.min.js

swiper.min.js

jquery.nice-select.min.js

superfish.min.js

apexcharts.min.js

countup.js

noframework.waypoints.min.js

moment-with-locales.min.js

daterangepicker.min.js

app.js

api.js

gtm.js

hotjar-3404587.js

logo.svg

slider-web-mercor-00-realizacje-2023-ii-24-02-05-tv-0-00-10-14.jpg

slider-web-mercor-mmg-01.jpg

slider-web-mercor-00m1.jpg

slider-web-mercor-00-pozar-w-budynku-p-m-23-11-23-02.jpg

slider-web-mercor-01albymgda.jpg

mercor-sg-005.jpg

mercor-sg-006.jpg

mercor-sg-008.jpg

mercor-sg-007.jpg

mercor-group.svg

mercor-elmech.svg

mercor-dfm.svg

mercor-techlab.svg