4.5 sec in total
413 ms
3.9 sec
163 ms
Click here to check amazing ETester content. Otherwise, check out these important facts you probably never knew about etester.com
Visit etester.comWe analyzed Etester.com page load time and found that the first response time was 413 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
etester.com performance score
name
value
score
weighting
Value9.9 s
0/100
10%
Value10.7 s
0/100
25%
Value13.5 s
2/100
10%
Value130 ms
96/100
30%
Value0
100/100
15%
Value11.4 s
19/100
10%
413 ms
394 ms
395 ms
386 ms
388 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 88% of them (22 requests) were addressed to the original Etester.com, 8% (2 requests) were made to Cdn.mathjax.org and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Etester.com.
Page size can be reduced by 4.1 MB (73%)
5.6 MB
1.5 MB
In fact, the total size of Etester.com main page is 5.6 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. 30% of websites need less resources to load. Javascripts take 5.3 MB which makes up the majority of the site volume.
Potential reduce by 20.4 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 20.4 kB or 70% of the original size.
Potential reduce by 0 B
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. ETester images are well optimized though.
Potential reduce by 4.0 MB
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 4.0 MB or 75% of the original size.
Potential reduce by 115.5 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. Etester.com needs all CSS files to be minified and compressed as it can save up to 115.5 kB or 86% of the original size.
Number of requests can be reduced by 20 (83%)
24
4
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ETester. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
etester.com
413 ms
loader.css
394 ms
XqeeApp.css
395 ms
NavigationMenuHover.css
386 ms
NavigationMenuClick.css
388 ms
rf-3dbox.css
384 ms
FlipDiv.css
388 ms
NavButtons.css
769 ms
TopicSection.css
766 ms
Math.css
765 ms
VerticalArithmatic.css
768 ms
cssbase-context.css
769 ms
staticstyle.css
769 ms
etester-slideshow-styles.css
1143 ms
jquery.min.js
30 ms
highcharts.js
1521 ms
highcharts-3d.js
1147 ms
highcharts-more.js
1146 ms
MathJax.js
56 ms
reset.css
192 ms
standard.css
194 ms
B2F33CAC1D988B7FBFC632FD9642EAEB.cache.js
2296 ms
clear.cache.gif
414 ms
TeX-MML-AM_HTMLorMML.js
20 ms
home_page_background_new.jpg
1132 ms
etester.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
etester.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
etester.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Etester.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 Etester.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.
etester.com
Open Graph description is not detected on the main page of ETester. 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: