14.3 sec in total
576 ms
13.3 sec
396 ms
Welcome to lop67.tk homepage info - get ready to check Lop 67 best content for Vietnam right away, or after learning these important things about lop67.tk
Selfomy (trước đây là Lớp 6/7 TK) là nền tảng hỗ trợ tự học trực tuyến cho học sinh Việt Nam với hơn 60.000 học sinh đã tin tưởng sử dụng mỗi ngày.
Visit lop67.tkWe analyzed Lop67.tk page load time and found that the first response time was 576 ms and then it took 13.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
lop67.tk performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value5.0 s
26/100
25%
Value17.5 s
0/100
10%
Value710 ms
42/100
30%
Value0.001
100/100
15%
Value13.1 s
12/100
10%
576 ms
570 ms
25 ms
57 ms
62 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 51% of them (41 requests) were addressed to the original Lop67.tk, 7% (6 requests) were made to Cdn.userreport.com and 6% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (11.6 sec) belongs to the original domain Lop67.tk.
Page size can be reduced by 331.9 kB (19%)
1.8 MB
1.4 MB
In fact, the total size of Lop67.tk main page is 1.8 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 1.2 MB which makes up the majority of the site volume.
Potential reduce by 26.1 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. 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 26.1 kB or 77% of the original size.
Potential reduce by 138.7 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. Obviously, Lop 67 needs image optimization as it can save up to 138.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 134.4 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 134.4 kB or 30% of the original size.
Potential reduce by 32.7 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. Lop67.tk needs all CSS files to be minified and compressed as it can save up to 32.7 kB or 46% of the original size.
Number of requests can be reduced by 30 (42%)
71
41
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lop 67. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
lop67.tk
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8 ms
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ZCcPJiCGOzh84o2siPk48Z0EAVxt0G0biEntp43Qt6E.ttf
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lop67.tk 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-*] attributes do not match their roles
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
lop67.tk 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
lop67.tk SEO score
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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lop67.tk can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Lop67.tk 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.
lop67.tk
Open Graph data is detected on the main page of Lop 67. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: