7.6 sec in total
2.2 sec
5 sec
445 ms
Welcome to serrelib.gr homepage info - get ready to check Serrelib best content for Greece right away, or after learning these important things about serrelib.gr
Visit serrelib.grWe analyzed Serrelib.gr page load time and found that the first response time was 2.2 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
serrelib.gr performance score
name
value
score
weighting
Value24.8 s
0/100
10%
Value39.1 s
0/100
25%
Value42.4 s
0/100
10%
Value700 ms
43/100
30%
Value1.12
1/100
15%
Value37.3 s
0/100
10%
2200 ms
442 ms
910 ms
446 ms
680 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 95% of them (60 requests) were addressed to the original Serrelib.gr, 3% (2 requests) were made to S7.addthis.com and 2% (1 request) were made to M.addthis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Serrelib.gr.
Page size can be reduced by 536.4 kB (32%)
1.7 MB
1.1 MB
In fact, the total size of Serrelib.gr main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 71.3 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 71.3 kB or 76% of the original size.
Potential reduce by 127.4 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, Serrelib needs image optimization as it can save up to 127.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 332.8 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 332.8 kB or 69% of the original size.
Potential reduce by 4.9 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. Serrelib.gr needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 75% of the original size.
Number of requests can be reduced by 5 (8%)
62
57
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serrelib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
serrelib.gr
2200 ms
style.css
442 ms
prototype.js
910 ms
scriptaculous.js
446 ms
lightbox.js
680 ms
lightbox.css
461 ms
addthis_widget.js
9 ms
ser2.jpg
692 ms
dras2.jpg
697 ms
vivl2.jpg
479 ms
isto2.jpg
834 ms
effects.js
228 ms
m1.jpg
1857 ms
09.jpg
915 ms
dimiourgiki_grafimini.jpg
1393 ms
%CE%B5%CE%BA%CE%B4%CE%B7%CE%BB%CF%8E%CF%83%CE%B5%CE%B9%CF%82mini.jpg
916 ms
serrelib_summer_2015.jpg
1386 ms
mobile_library.jpg
1388 ms
reading_room_4_floor.jpg
1382 ms
00b.jpg
694 ms
0middle.png
217 ms
plegma.jpg
917 ms
ser1.jpg
214 ms
dras1.jpg
213 ms
vivl1.jpg
462 ms
isto1.jpg
444 ms
en_lang.gif
443 ms
bullet.gif
446 ms
amphipolis01.jpg
907 ms
newbookslib.jpg
683 ms
violi_aggioplastis.jpg
689 ms
sfvnew.jpg
694 ms
mousiofisikisistoras.jpg
914 ms
ekt.jpg
918 ms
tei.jpg
928 ms
europeana.jpg
928 ms
sentouki147.jpg
1142 ms
fl.jpg
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100serres.jpg
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diavgeialogo.jpg
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fb.gif
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blog.gif
1160 ms
twitter.gif
1376 ms
anakinoseis1.jpg
1381 ms
telies.gif
1383 ms
calendar2.jpg
1382 ms
ekdiloseis.jpg
1394 ms
Afisa%20sinantisismini.jpg
1626 ms
macedonian_mini.jpg
1607 ms
%CE%B5%CE%BB%CE%B9%CE%B1.jpg
1613 ms
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1619 ms
logo.jpg
1617 ms
%CE%BF%CF%85%CF%81%CE%B1%CE%BD%CE%BF%CF%80%CE%B5%CF%84%CF%81%CE%B1.jpg
1627 ms
300lo.json
20 ms
%CF%86%CE%B1%CE%BD%CF%84%CE%B1%CF%83%CE%AF%CE%B1.jpg
1732 ms
sh.8e5f85691f9aaa082472a194.html
25 ms
%CF%81%CF%89%CF%83%CE%B7.jpg
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entef.jpg
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%CE%B4%CE%B7%CE%BC%CE%BF%CF%85%CE%BB%CE%AC.jpg
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beginagain.jpg
1657 ms
person3_bg.jpg
1430 ms
loading.gif
222 ms
closelabel.gif
208 ms
serrelib.gr accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
serrelib.gr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
serrelib.gr 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
EL
EL
WINDOWS-1253
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Serrelib.gr can be misinterpreted by Google and other search engines. Our service has detected that Greek is used on the page, and it matches the claimed language. Our system also found out that Serrelib.gr main page’s claimed encoding is windows-1253. 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.
serrelib.gr
Open Graph description is not detected on the main page of Serrelib. 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: