1.9 sec in total
381 ms
1.1 sec
343 ms
Click here to check amazing Korepetycje Biolog content for Poland. Otherwise, check out these important facts you probably never knew about korepetycje.biolog.pl
Baza korepetytorów z biologii, chemii, matematyki, języka angielskiego oraz wszystkich innych przedmiotów w szkole i na studiach. Kursy przygotowawcze na studia. Darmowe lekcje.
Visit korepetycje.biolog.plWe analyzed Korepetycje.biolog.pl page load time and found that the first response time was 381 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
korepetycje.biolog.pl performance score
name
value
score
weighting
Value1.7 s
93/100
10%
Value2.7 s
85/100
25%
Value10.1 s
9/100
10%
Value4,220 ms
1/100
30%
Value1.008
2/100
15%
Value16.1 s
6/100
10%
381 ms
183 ms
10 ms
65 ms
35 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 42% of them (14 requests) were addressed to the original Korepetycje.biolog.pl, 18% (6 requests) were made to Pagead2.googlesyndication.com and 12% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (568 ms) relates to the external source Reklama.biolog.pl.
Page size can be reduced by 60.3 kB (12%)
507.4 kB
447.1 kB
In fact, the total size of Korepetycje.biolog.pl main page is 507.4 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. 40% of websites need less resources to load. Images take 431.2 kB which makes up the majority of the site volume.
Potential reduce by 34.7 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 34.7 kB or 80% of the original size.
Potential reduce by 15.0 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. Korepetycje Biolog images are well optimized though.
Potential reduce by 6.6 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 6.6 kB or 24% of the original size.
Potential reduce by 3.9 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. Korepetycje.biolog.pl needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 78% of the original size.
Number of requests can be reduced by 13 (45%)
29
16
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Korepetycje Biolog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
korepetycje.biolog.pl
381 ms
krakow.css
183 ms
show_ads.js
10 ms
ca-pub-1934533731590164.js
65 ms
zrt_lookup.html
35 ms
show_ads_impl.js
77 ms
forum,kierunki,studiow.png
568 ms
ga.js
45 ms
corner20.gif
105 ms
corner00.gif
105 ms
front-korki.jpg
370 ms
corner30.gif
191 ms
kursy_maturalne.jpg
191 ms
dodaj.gif
197 ms
kursy_jezykowe.png
501 ms
trudne_zadanie_domowe.png
500 ms
kursy_maturalne.png
499 ms
mapka.png
422 ms
uzywane,ksiazki,do,matury.png
287 ms
__utm.gif
43 ms
ads
306 ms
expansion_embed.js
5 ms
osd.js
20 ms
css
62 ms
m_js_controller.js
30 ms
abg.js
36 ms
nessie_icon_thin_arrow_big_white.png
22 ms
s
14 ms
googlelogo_color_112x36dp.png
48 ms
x_button_blue2.svg
4 ms
print_krakow.css
98 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
3 ms
4A-myfZX6oDr9CtSTkTGig.ttf
64 ms
korepetycje.biolog.pl accessibility score
korepetycje.biolog.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
korepetycje.biolog.pl SEO score
Mobile Friendly
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/).
Impact
Issue
Document uses legible font sizes
PL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Korepetycje.biolog.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 Korepetycje.biolog.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.
korepetycje.biolog.pl
Open Graph description is not detected on the main page of Korepetycje Biolog. 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: