Access datera.pl. Telefonia internetowa dla firm, systemy telefoniczne

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value3,330 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

www.datera.pl

868 ms

glightbox.min.css

20 ms

glightbox.min.js

22 ms

6kvin.css

284 ms

css2

34 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 80% of them (92 requests) were addressed to the original Datera.pl, 9% (10 requests) were made to Cdn.jsdelivr.net and 3% (4 requests) were made to Salesmanago.pl. The less responsive or slowest element that took the longest time to load (870 ms) relates to the external source Salesmanago.pl.

Content Size

1.0 MB

After Optimization

827.2 kB

In fact, the total size of Datera.pl main page is 1.0 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. Javascripts take 445.6 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 155.6 kB

Original 221.7 kB
After minification 217.1 kB
After compression 66.1 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 155.6 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 13.5 kB

Original 340.2 kB
After minification 326.7 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. Datera images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 37.7 kB

Original 445.6 kB
After minification 432.5 kB
After compression 407.9 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

-2%

Potential reduce by 573 B

Original 27.1 kB
After minification 27.1 kB
After compression 26.5 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. Datera.pl has all CSS files already compressed.

Requests Now

110

After Optimization

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

PL
Language Claimed

PL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datera.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Datera.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

datera.pl

Open Graph data is detected on the main page of Datera. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Telefonia internetowa dla firm, systemy telefoniczne | Datera

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

www.datera.pl

glightbox.min.css

glightbox.min.js

6kvin.css

css2

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

www.datera.pl

glightbox.min.css

glightbox.min.js

6kvin.css

css2

6kvin.css

choices.min.css

tippy.css

6kvin.css

jquery.min.js

gtm.js

swiper-bundle.min.css

all.min.js

vue.min.js

vue-resource.min.js

datera.js

FcnContactForm.umd.min.js

index.js

index.js

ouibounce.min.js

frontend.min.js

pvb-cf7-calculator.js

api.js

wp-polyfill-inert.min.js

regenerator-runtime.min.js

wp-polyfill.min.js

index.js

mmenu-light.js

jquery.cookie.js

loadingoverlay.js

contactforms.js

vue-media-queries.js

choices.min.js

popper.min.js

tippy.umd.min.js

main_footer.js

main.js

fcn-oferty.js

resize-sensor.js

swiper-bundle.min.js

Datera.svg

Call-eX-Cloud-miniatura.svg

Call-eX-Miniatura.svg