2.4 sec in total
369 ms
1.9 sec
166 ms
Welcome to bibliografia.ipn.gov.pl homepage info - get ready to check Bibliografia Ipn best content for Poland right away, or after learning these important things about bibliografia.ipn.gov.pl
Wersja elektroniczna Bibliografii Historii Polskiej, opracowana we współpracy z Instytutem Pamięci Narodowej, zawiera te same dane, co kolejne roczniki wydawane w formie książkowej przez Instytut Hist...
Visit bibliografia.ipn.gov.plWe analyzed Bibliografia.ipn.gov.pl page load time and found that the first response time was 369 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
bibliografia.ipn.gov.pl performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value7.9 s
3/100
25%
Value6.8 s
34/100
10%
Value20 ms
100/100
30%
Value0.077
95/100
15%
Value7.2 s
51/100
10%
369 ms
116 ms
224 ms
226 ms
458 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Bibliografia.ipn.gov.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (563 ms) belongs to the original domain Bibliografia.ipn.gov.pl.
Page size can be reduced by 183.6 kB (50%)
365.0 kB
181.4 kB
In fact, the total size of Bibliografia.ipn.gov.pl main page is 365.0 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. 20% of websites need less resources to load. Javascripts take 174.9 kB which makes up the majority of the site volume.
Potential reduce by 3.4 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 3.4 kB or 70% of the original size.
Potential reduce by 11.3 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. Bibliografia Ipn images are well optimized though.
Potential reduce by 124.8 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 124.8 kB or 71% of the original size.
Potential reduce by 44.0 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. Bibliografia.ipn.gov.pl needs all CSS files to be minified and compressed as it can save up to 44.0 kB or 84% of the original size.
Number of requests can be reduced by 10 (33%)
30
20
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibliografia Ipn. 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.
bibliografia.ipn.gov.pl
369 ms
12-651.css
116 ms
clearbox.css
224 ms
smoothbox.css
226 ms
12-648.js
458 ms
12-strona_tlo.jpg
114 ms
12-strona_tlo_zdjecie.jpg
337 ms
12-logo.png
112 ms
12-button_wejscie.gif
115 ms
12-intro_tlo.png
563 ms
close.png
112 ms
loading.gif
115 ms
blank.gif
113 ms
prev.png
114 ms
next.png
110 ms
pause.png
220 ms
start.png
217 ms
noprv.gif
322 ms
s_btm.png
220 ms
s_btmleft.png
225 ms
s_btmright.png
225 ms
s_left.png
324 ms
s_right.png
329 ms
s_top.png
329 ms
s_topleft.png
336 ms
s_topright.png
337 ms
white.gif
430 ms
btm_prev.gif
429 ms
btm_next.gif
438 ms
btm_max.gif
437 ms
btm_dl.gif
449 ms
bibliografia.ipn.gov.pl accessibility score
Names and labels
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.
Impact
Issue
Image elements do not have [alt] attributes
bibliografia.ipn.gov.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
bibliografia.ipn.gov.pl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliografia.ipn.gov.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 Bibliografia.ipn.gov.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.
bibliografia.ipn.gov.pl
Open Graph description is not detected on the main page of Bibliografia Ipn. 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: