8.5 sec in total
4.2 sec
4.2 sec
117 ms
Click here to check amazing Tfedu content for China. Otherwise, check out these important facts you probably never knew about tfedu.org
在腾飞,提高孩子的成绩才是办学宗旨。学习最高效的提高方法!高中课程同步网络学习,高中课外辅导就选腾飞云校网。
Visit tfedu.orgWe analyzed Tfedu.org page load time and found that the first response time was 4.2 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
tfedu.org performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value4.9 s
29/100
25%
Value5.7 s
52/100
10%
Value90 ms
98/100
30%
Value0.034
100/100
15%
Value2.1 s
99/100
10%
4187 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Tfedu.org and no external sources were called. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Tfedu.org.
Page size can be reduced by 76 B (25%)
309 B
233 B
In fact, the total size of Tfedu.org main page is 309 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 309 B which makes up the majority of the site volume.
Potential reduce by 76 B
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 76 B or 25% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
tfedu.org
4187 ms
tfedu.org 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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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
tfedu.org 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
tfedu.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ZH
N/A
US-ASCII
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tfedu.org can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Tfedu.org main page’s claimed encoding is us-ascii. 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.
tfedu.org
Open Graph description is not detected on the main page of Tfedu. 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: