5.7 sec in total
456 ms
4.3 sec
933 ms
Welcome to symbol.ru homepage info - get ready to check Symbol best content for Russia right away, or after learning these important things about symbol.ru
БЛОГ ИЗДАТЕЛЬСТВА КНИГИ, электронные книги, техническая и деловая литература, администрирование, базы данных, программирование, бизнес, маркетинг, купить, оптом
Visit symbol.ruWe analyzed Symbol.ru page load time and found that the first response time was 456 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
symbol.ru performance score
name
value
score
weighting
Value2.5 s
68/100
10%
Value4.1 s
47/100
25%
Value4.4 s
74/100
10%
Value110 ms
97/100
30%
Value0.002
100/100
15%
Value3.9 s
88/100
10%
456 ms
1037 ms
243 ms
251 ms
253 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 43% of them (26 requests) were addressed to the original Symbol.ru, 43% (26 requests) were made to Files.books.ru and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Files.books.ru.
Page size can be reduced by 101.9 kB (19%)
539.7 kB
437.8 kB
In fact, the total size of Symbol.ru main page is 539.7 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. 25% of websites need less resources to load. Images take 404.8 kB which makes up the majority of the site volume.
Potential reduce by 74.5 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 74.5 kB or 78% of the original size.
Potential reduce by 11.9 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. Symbol images are well optimized though.
Potential reduce by 8.0 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 8.0 kB or 27% of the original size.
Potential reduce by 7.5 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. Symbol.ru needs all CSS files to be minified and compressed as it can save up to 7.5 kB or 79% of the original size.
Number of requests can be reduced by 18 (32%)
56
38
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Symbol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
symbol.ru
456 ms
www.symbol.ru
1037 ms
lib.js
243 ms
menu_fix_ie6.js
251 ms
style.css
253 ms
watch.js
1 ms
orphus.js
202 ms
ga.js
68 ms
586616.jpg
564 ms
82361.jpg
355 ms
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636 ms
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722 ms
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964 ms
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801 ms
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885 ms
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1633 ms
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1811 ms
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1961 ms
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2080 ms
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2301 ms
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2381 ms
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2646 ms
666334.jpg
2547 ms
003135461.jpg
2630 ms
586615.jpg
346 ms
header_back.jpg
513 ms
header_logo.gif
125 ms
top_navigation_button1.gif
124 ms
top_navigation_line.gif
122 ms
top_navigation_button2.gif
256 ms
top_navigation_button3.gif
254 ms
top_navigation_button4_en.gif
254 ms
button_search_ru.gif
258 ms
header_name_ru.gif
256 ms
header_down_image.jpg
495 ms
menu_button1.gif
376 ms
menu_back.gif
377 ms
menu_button2.gif
380 ms
menu_button3.gif
381 ms
menu_button4.gif
497 ms
menu_button5.gif
498 ms
menu_button6.gif
505 ms
menu_button7.gif
504 ms
icon_book.gif
622 ms
orphus.gif
622 ms
__utm.gif
41 ms
82361.jpg
191 ms
586615.jpg
193 ms
counter
310 ms
counter
314 ms
symbol.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
Form elements do not have associated labels
Links do not have a discernible name
symbol.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
symbol.ru SEO score
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Symbol.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Symbol.ru 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.
symbol.ru
Open Graph description is not detected on the main page of Symbol. 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: