2.5 sec in total
630 ms
1.8 sec
164 ms
Welcome to tb7.chessok.com homepage info - get ready to check Tb 7 Chessok best content for India right away, or after learning these important things about tb7.chessok.com
Lomonosov Tablebases
Visit tb7.chessok.comWe analyzed Tb7.chessok.com page load time and found that the first response time was 630 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
tb7.chessok.com performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value9.7 s
0/100
25%
Value6.7 s
37/100
10%
Value70 ms
99/100
30%
Value0
100/100
15%
Value6.1 s
63/100
10%
630 ms
497 ms
661 ms
258 ms
388 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 76% of them (26 requests) were addressed to the original Tb7.chessok.com, 9% (3 requests) were made to Idea.informer.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (661 ms) belongs to the original domain Tb7.chessok.com.
Page size can be reduced by 254.5 kB (38%)
661.4 kB
406.9 kB
In fact, the total size of Tb7.chessok.com main page is 661.4 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. 30% of websites need less resources to load. Images take 345.1 kB which makes up the majority of the site volume.
Potential reduce by 20.2 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. This page needs HTML code to be minified as it can gain 4.0 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.2 kB or 77% of the original size.
Potential reduce by 16.6 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. Tb 7 Chessok images are well optimized though.
Potential reduce by 50.9 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 50.9 kB or 64% of the original size.
Potential reduce by 166.8 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. Tb7.chessok.com needs all CSS files to be minified and compressed as it can save up to 166.8 kB or 79% of the original size.
Number of requests can be reduced by 8 (26%)
31
23
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tb 7 Chessok. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
tb7.chessok.com
630 ms
CommonStyles
497 ms
CommonScripts
661 ms
App
258 ms
CommonOriginalScripts
388 ms
localization.en-US.js
263 ms
css
26 ms
theme.css
372 ms
theme.css
268 ms
Board.css
274 ms
tab6.js
328 ms
analytics.js
28 ms
Footer_logos.png
127 ms
Logo-4971164b7b21c07193f6111585b0e764d9396249.png
134 ms
Blue_Back-b1b21ced2369855119d564302a0adb4ff3999017.png
626 ms
c.png
133 ms
ln.png
134 ms
white.png
129 ms
black.png
224 ms
bp.svg
242 ms
wk.svg
254 ms
bk.svg
260 ms
wn.svg
262 ms
c.png
349 ms
Custom-Icons-4671426cc383215051e0e894ecb774c9f77c61c2.png
372 ms
Articles-icon-2a9300d8dfd5bd5a5d7d56daeb1c86c931e4e24e.png
380 ms
ChessOk-icon-de934fe0b54154972529261416d764ffe0651ebd.png
394 ms
News-icon-0f3dab053d5beb5273136cd3356a7977d25ce8be.png
395 ms
flags-92c944190aba8802f465a90fe51d2bb98a62128e.png
598 ms
BkZwJXYnumPMepfEA344yQ.ttf
45 ms
eFfAHNfFT0YtF77QmRKRj_esZW2xOQ-xsNqO47m55DA.ttf
44 ms
d890a141a1c5a6424ae40f81c1e6bf60.png
155 ms
collect
13 ms
widget_logo.jpg
254 ms
tb7.chessok.com 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
tb7.chessok.com 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
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
tb7.chessok.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tb7.chessok.com 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 Tb7.chessok.com 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.
tb7.chessok.com
Open Graph description is not detected on the main page of Tb 7 Chessok. 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: