2.8 sec in total
619 ms
1.9 sec
205 ms
Welcome to detelina.biz homepage info - get ready to check Detelina best content right away, or after learning these important things about detelina.biz
Учебен център Детелина. Курсове по Word, Excel, Photoshop, CorelDraw, Illustrator, английски, немски, френски, италиански, руски, счетоводство и др.
Visit detelina.bizWe analyzed Detelina.biz page load time and found that the first response time was 619 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.
detelina.biz performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value5.0 s
26/100
25%
Value5.4 s
56/100
10%
Value260 ms
83/100
30%
Value0
100/100
15%
Value7.1 s
52/100
10%
619 ms
275 ms
269 ms
272 ms
291 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 63% of them (24 requests) were addressed to the original Detelina.biz, 11% (4 requests) were made to V2.zopim.com and 5% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (992 ms) belongs to the original domain Detelina.biz.
Page size can be reduced by 120.8 kB (31%)
389.9 kB
269.1 kB
In fact, the total size of Detelina.biz main page is 389.9 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 258.3 kB which makes up the majority of the site volume.
Potential reduce by 64.5 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 64.5 kB or 84% of the original size.
Potential reduce by 22.9 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. Detelina images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
Potential reduce by 1.4 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. Detelina.biz needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 77% of the original size.
Number of requests can be reduced by 14 (39%)
36
22
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Detelina. 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.
detelina.biz
619 ms
default.css
275 ms
arrow.png
269 ms
close4.png
272 ms
grafik2.png
291 ms
home.gif
292 ms
classroom1.jpg
254 ms
office.jpg
403 ms
c
477 ms
private-tuition.jpg
183 ms
individual.jpg
190 ms
cambridge.jpg
401 ms
buhgalterskie-kursy-2012.jpg
400 ms
b_smartphone.png
401 ms
glava2.gif
400 ms
vapros.png
401 ms
facedark.png
557 ms
fbevents.js
25 ms
analytics.js
22 ms
sdk.js
22 ms
default.htm
992 ms
detelina.biz
991 ms
menu.gif
385 ms
kursove_ispanski.htm
991 ms
submenu.gif
429 ms
header.jpg
513 ms
117 ms
collect
36 ms
115 ms
xd_arbiter.php
25 ms
xd_arbiter.php
38 ms
widget_v2.135.js
18 ms
__$$__stringtable_lang_ru.js
20 ms
__$$__stringtable_lang_bg.js
9 ms
avatar_simple_visitor.png
75 ms
facelight.png
259 ms
grafik3.png
141 ms
aL63HcygAAVYuCCsAAA==
2 ms
detelina.biz accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
detelina.biz 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
detelina.biz 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
BG
BG
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Detelina.biz can be misinterpreted by Google and other search engines. Our service has detected that Bulgarian is used on the page, and it matches the claimed language. Our system also found out that Detelina.biz main page’s claimed encoding is windows-1251. 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.
detelina.biz
Open Graph description is not detected on the main page of Detelina. 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: