9.2 sec in total
1.3 sec
7.7 sec
196 ms
Welcome to sql-ex.ru homepage info - get ready to check SQL Ex best content for Russia right away, or after learning these important things about sql-ex.ru
SQL remote education. Interactive exercises on SQL statements: SELECT,INSERT,UPDATE,DELETE
Visit sql-ex.ruWe analyzed Sql-ex.ru page load time and found that the first response time was 1.3 sec and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
sql-ex.ru performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value3.1 s
75/100
25%
Value5.8 s
50/100
10%
Value2,400 ms
5/100
30%
Value0.01
100/100
15%
Value16.3 s
5/100
10%
1281 ms
395 ms
396 ms
579 ms
579 ms
Our browser made a total of 162 requests to load all elements on the main page. We found that 6% of them (9 requests) were addressed to the original Sql-ex.ru, 22% (36 requests) were made to Reg.ru and 10% (16 requests) were made to Sync.audtd.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Advombat.ru.
Page size can be reduced by 199.3 kB (38%)
526.1 kB
326.9 kB
In fact, the total size of Sql-ex.ru main page is 526.1 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. 35% of websites need less resources to load. Images take 279.2 kB which makes up the majority of the site volume.
Potential reduce by 139.5 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 139.5 kB or 84% of the original size.
Potential reduce by 1.3 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. SQL Ex images are well optimized though.
Potential reduce by 46.6 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 46.6 kB or 72% of the original size.
Potential reduce by 11.9 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. Sql-ex.ru needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 78% of the original size.
Number of requests can be reduced by 73 (70%)
105
32
The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SQL Ex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
sql-ex.ru
1281 ms
letter.css
395 ms
hint.css
396 ms
style.css
579 ms
main.js
579 ms
zp.js
1545 ms
top100.jcn
451 ms
code.js
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bn.php
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bn.php
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banner-88x31-rambler-gray2.gif
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blueup.gif
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premia-nom-100x50.gif
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new_on_sqlex_maroon.gif
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ourbook.jpg
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top100.scn
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232231.js
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showad_full_sync.js
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1x1.gif
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adj
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watch.js
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code.js
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sync
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100906.js
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sync
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1x1.gif
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adj
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admitad
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code.js
208 ms
match
87 ms
exp
328 ms
regru_domain_widget.js
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sspmultimatch
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regru_domain_widget.js
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sync
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match
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iframeExt.html
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check_domains_widget
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cnt
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hit
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uptolike.js
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uid.php
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fpx.php
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tk.php
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impression.html
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extra.js
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sync
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tcs_full.gif
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jquery.jscrollpane.css
133 ms
widget.css
263 ms
jquery-1.8.3.min.js
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jquery.mousewheel.js
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jquery.jscrollpane.min.js
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jquery.xcolor.js
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widget.js
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hit
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bidder_12.html
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version.js
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advmaker
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rsc.php
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advmaker
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9102785b-867b-4b4c-b47a-fdebaa33ca68
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cnysINT2.gif
13 ms
sync
10 ms
c908b5058e3a368ee2df33e8cfd87c1e
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renegade
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match
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sync
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intency
195 ms
cnysINT2.gif
43 ms
u4180.30.spylog.com
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sync.js
244 ms
jrvnOR6lQEmSYwYm5cviaA
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widgetsModule.js
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advmaker
95 ms
intency
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sync
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pixel
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audtd.png
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sync
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sync
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renegade-smart
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cnt
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advmaker
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loader_trans.gif
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loader_trans_nostyle.gif
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widget_scroll_drag.png
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widget_table_bg.png
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c9.jpg
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c1.jpg
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widget_footer_bg_black.png
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widget_footer_bg.gif
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widget_header_bg_black.png
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widget_header_bg.gif
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widget_checkbox_bg.png
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widget_search_button_hover.png
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widget_reg_button_hover.png
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widget_header_bg.~8E067F.gif
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widget_planet.png
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widget_blick.~0CEEA7.png
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widget_search_button.~D19013.png
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widget_example_bg.~B59D09.png
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widget_footer_bg.~F223B4.gif
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match
304 ms
intency
118 ms
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swfobject_src.js
106 ms
share-counter.html
169 ms
101 ms
lamoda
423 ms
icomoon.svg
350 ms
icomoon.woff
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dumedia
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pixel
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CollectSync
95 ms
sync
220 ms
match
128 ms
cleardata
219 ms
0.gif
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targetix
155 ms
161 ms
widgets-batch.js
238 ms
support.html
233 ms
emily
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lamoda
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pixel.gif
102 ms
97 ms
targetix
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intency
113 ms
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dispatch.fcgi
186 ms
bidboss
113 ms
pixel.gif
104 ms
audtd.png
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set
147 ms
pixel
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sync
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match
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pixel
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dumedia
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count.json
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count.json
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sql-ex.ru accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
sql-ex.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
sql-ex.ru 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
EN
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sql-ex.ru can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sql-ex.ru 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.
sql-ex.ru
Open Graph description is not detected on the main page of SQL Ex. 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: