Access rentbus.waw.pl.

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

rentbus.waw.pl

612 ms

ga.js

11 ms

zdjecie.jpg

772 ms

gif-rentbus.gif

817 ms

katalog-seo-antipixel.png

334 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 63% of them (12 requests) were addressed to the original Rentbus.waw.pl, 11% (2 requests) were made to Google-analytics.com and 11% (2 requests) were made to Katalogseo.net.pl. The less responsive or slowest element that took the longest time to load (914 ms) relates to the external source Rentbusy.republika.pl.

Content Size

168.1 kB

After Optimization

157.4 kB

In fact, the total size of Rentbus.waw.pl main page is 168.1 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. Only 10% of websites need less resources to load. Images take 139.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 7.5 kB

Original 11.2 kB
After minification 10.6 kB
After compression 3.7 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 7.5 kB or 67% of the original size.

Image Optimization

-2%

Potential reduce by 3.3 kB

Original 139.8 kB
After minification 136.5 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. Rentbus images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

Original 17.2 kB
After minification 17.2 kB
After compression 17.1 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.

Requests Now

After Optimization

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rentbus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Issues

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

Search Engine Optimization Advices

Language and Encoding

Language Detected

PL
Language Claimed

PL
Encoding

WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rentbus.waw.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 Rentbus.waw.pl main page’s claimed encoding is windows-1250. 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

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