Access lefthand.pl. Program księgowy LeftHand - program do księgowości dla firm

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value1.738

0/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

lefthand.pl

273 ms

580 ms

style_lhm.css

112 ms

menu.js

223 ms

jquery-latest.min.js

5 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 70% of them (40 requests) were addressed to the original Lefthand.pl, 16% (9 requests) were made to Static.xx.fbcdn.net and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (927 ms) belongs to the original domain Lefthand.pl.

Content Size

369.7 kB

After Optimization

206.5 kB

In fact, the total size of Lefthand.pl main page is 369.7 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. 45% of websites need less resources to load. Images take 222.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 78.9 kB

Original 90.9 kB
After minification 75.1 kB
After compression 12.1 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. This page needs HTML code to be minified as it can gain 15.8 kB, which is 17% 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 78.9 kB or 87% of the original size.

Image Optimization

-24%

Potential reduce by 53.1 kB

Original 222.7 kB
After minification 169.7 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. Obviously, Left Hand needs image optimization as it can save up to 53.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 30.1 kB

Original 52.3 kB
After minification 52.3 kB
After compression 22.2 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 30.1 kB or 58% of the original size.

CSS Optimization

-33%

Potential reduce by 1.3 kB

Original 3.8 kB
After minification 3.8 kB
After compression 2.6 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. Lefthand.pl needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 33% of the original size.

Requests Now

After Optimization

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Left Hand. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts 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

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

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lefthand.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 Lefthand.pl main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

lefthand.pl

Open Graph description is not detected on the main page of Left Hand. 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

Program księgowy LeftHand - program do księgowości dla firm

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

lefthand.pl

style_lhm.css

menu.js

jquery-latest.min.js

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

lefthand.pl

style_lhm.css

menu.js

jquery-latest.min.js

tlo_logo_lh.gif

obraz_logo_lh.png

sitemap.gif

email.gif

form_bg.jpg

zalogujlh.gif

left_arrow.gif

links.jpg

left_menu_arrow.gif

belka-tlo-srodek.gif

dla_firm_mp.png

dla_stow_mp.png

dla_br_mp.png

pdf.png

pds.png

pdbr.png

ppdbvaleft.gif

ppdbvaright.gif

fk_bc.jpg

read_more.jpg

ttleft.gif

ttright.gif

mf_bc.jpg

mk_bc.jpg

sm_bc.jpg

kp_bc.jpg

sf_bc.jpg

fb-icon.png

tw-icon.png

yt-ikona.png

li-icon.png

wp-icon.png

imgsvgupac.svg

ppdbvamiddle.gif

ttmiddle.gif

ppbelka.gif

ga.js

likebox.php

fbevents.js

assist