5.2 sec in total
425 ms
3.1 sec
1.7 sec
Click here to check amazing Td School content. Otherwise, check out these important facts you probably never knew about td-school.com
Комплексное оснащение школьных кабинетов учебным оборудованием и учебно-наглядными пособиями. Оформление кабинетов физики, химии, биологии, ОБЖ. Комплектация школ современным лабораторным оборудование...
Visit td-school.comWe analyzed Td-school.com page load time and found that the first response time was 425 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
td-school.com performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value9.6 s
0/100
25%
Value8.4 s
19/100
10%
Value2,690 ms
4/100
30%
Value0.528
14/100
15%
Value11.2 s
20/100
10%
425 ms
675 ms
253 ms
394 ms
501 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 89% of them (42 requests) were addressed to the original Td-school.com, 4% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Td-school.com.
Page size can be reduced by 222.8 kB (6%)
3.8 MB
3.6 MB
In fact, the total size of Td-school.com main page is 3.8 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. 50% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.
Potential reduce by 45.1 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 13.6 kB, which is 24% 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 45.1 kB or 80% of the original size.
Potential reduce by 120.7 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. Td School images are well optimized though.
Potential reduce by 53.4 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 53.4 kB or 39% of the original size.
Potential reduce by 3.7 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. Td-school.com has all CSS files already compressed.
Number of requests can be reduced by 16 (40%)
40
24
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Td School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
td-school.com
425 ms
td-school.com
675 ms
bootstrap.css
253 ms
main.css
394 ms
animate.css
501 ms
jquery-1.11.0.js
746 ms
jquery-migrate-1.1.0.js
539 ms
jquery.socializer.js
539 ms
jquery.prettyPhoto.js
545 ms
jquery.validate.js
526 ms
easypaginate.js
625 ms
styleswitch.js
647 ms
jquery.cookie.js
661 ms
prettyPhoto.css
662 ms
font-awesome.min.css
665 ms
bootstrap.js
801 ms
bootstrap-hover-dropdown.js
807 ms
watch.js
1 ms
top100.jcn
1000 ms
docs.min.js
715 ms
cookie_basket.js
715 ms
counter
841 ms
logo.png
197 ms
online1.gif
197 ms
fon__.jpg
484 ms
IS3.JPG
662 ms
SOSh_830-3.JPG
905 ms
photo_77650-700_22.jpg
296 ms
1486135858.jpg
560 ms
d6cf4ce4e5453454c7e55235d960b5411549536548.jpg
334 ms
shippingBG-770x470.jpg
421 ms
2.jpg
678 ms
Izobrazhenie_174.jpg
668 ms
copy1594016808-SOSh_830-3.JPG
972 ms
fgos-programmy.jpg
804 ms
sertification.jpg
786 ms
shkola.jpg
914 ms
b4c1f7e49e76c60b594c496b71270456.jpg
920 ms
2f3f6a725022e4a843703d8418368b0b1539949149.png
911 ms
17036650_182766575555233_1575598613_o.jpg
1047 ms
excel-xls-icon.png
1022 ms
1516883563.jpg
1272 ms
ga.js
188 ms
moscow_spring_o.jpg
1130 ms
fontawesome-webfont.woff
870 ms
glyphicons-halflings-regular.woff
916 ms
__utm.gif
23 ms
td-school.com 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
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
td-school.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
td-school.com 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
RU
RU
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Td-school.com 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 Td-school.com 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.
td-school.com
Open Graph description is not detected on the main page of Td School. 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: