Analyze Biuro podróży Rainbow ▷ wakacje, wycieczki objazdowe, wczasy za granicą i promocje last minute

Biuro podróży Rainbow to bogata oferta wakacji samolotem ✈️ autokarem

Page load speed analysis

  • 59/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    373 ms

  • Resources loaded

    5.3 sec

  • Page rendered

    908 ms

  • Total page load time

    6.6 sec

Welcome to homepage info - get ready to check Rainbow Tours best content for Poland right away, or after learning these important things about

We analyzed page load time and found that the first response time was 373 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Page optimization

  • HTML 100.0 kB
    Images 212.5 kB
    Javascripts 138.6 kB
    CSS 0 B

    In fact, the total size of main page is 451.1 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. 50% of websites need less resources to load. Images take 212.5 kB which makes up the majority of the site volume.

    • Original 100.0 kB
    • After minification 48.3 kB
    • After compression 11.7 kB

    HTML optimization

    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 51.7 kB, which is 52% 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 88.3 kB or 88% of the original size.

    • Original 212.5 kB
    • After optimization 199.9 kB

    Image optimization

    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. Rainbow Tours images are well optimized though.

    • Original 138.6 kB
    • After minification 129.1 kB
    • After compression 37.1 kB

    JavaScript optimization

    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 101.6 kB or 73% of the original size.

Network requests diagram

  • css
  • css_stronaGlowna
  • browser
  • mobiscroll
  • js
  • stronaGlowna
  • ld.js
  • css_stronaglowna
  • stronaglowna
  • gtm.js
  • logo-rainbowtours.jpg
  • logo-stare.jpg
  • logo-animacja.gif
  • icon-lato.png
  • icon-egzotyka.png
  • icon-zima.png
  • icon-wszystkie-kierunki.png
  • icon-objazd.png
  • icon-narty.png
  • icon-figloklub.png
  • icon-atrakcje.png
  • icon-last-minute.png
  • icon-super-sroda.png
  • icon-happyhour.png
  • icon-koncoweczka.png
  • loading.gif
  • wyszukaj.png
  • r.png
  • Rpl.png
  • icon_newsletter.png
  • nasze-biura2.png
  • Lato-Regular.woff
  • Lato-Light.woff
  • Lato-Bold.woff
  • Lato-Black.woff
  • arrows.png
  • modernizrJS
  • analytics.js
  • conversion_async.js
  • opiniac.all.min.js
  • hotjar-115885.js
  • sm.js
  • activityi;src=4453672;type=Akcja0;cat=wszys0;ord=1;num=7546878896910;
  • activityi;src=4453672;type=Akcja0;cat=stron0;ord=1;num=8723668313120;
  • activityi;src=4453672;type=Akcja0;cat=nowe-0;u1=undefined;u2=undefined;;u6=undefined;ord=1;num=8518535307469;
  • activityi;src=4453672;type=Akcja0;cat=maili00g;u1=undefined;u2=undefined;;ord=7640409161826;
  • ec.js
  • collect
  • collect
  • r.gif
  • ga-audiences
  • modernizrjs
  • jQueryCDN
  • jquerycdn
  • jQuery_UI_CDN
  • jquery_ui_cdn
  • jqueryValidateJS
  • jqueryvalidatejs
  • bootstrapJS
  • bootstrapjs
  • typeaheadJS
  • typeaheadjs
  • jquery.mousewheel.min.js

Our browser made a total of 73 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original, 64% (47 requests) were made to and 10% (7 requests) were made to The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source

Additional info on


The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rainbow Tours. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address uses IP address which is currently shared with 1 other domain. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 290

300 Mname:
Serial: 1615309731
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum-ttl: 3600
MX 300 Pri: 10

300 Txt: 4ce19bd84fa7c694b6854d4d572b67f2dcf659241cd4a8dac12d7504aa057408

300 Txt: d02a6ea3c4c3673eac32587ad7959666db9cf7b6a37205cedf07b50f94651543

Language and encoding

Good result


PL pl language flag


PL pl language flag





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

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 97% of all visits is Poland. It’s good for that their server is also located in Poland, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

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

Share this report in social media

Analyze another website