3.4 sec in total
1.2 sec
2.2 sec
87 ms
Click here to check amazing Dr Frost Maths content for United Kingdom. Otherwise, check out these important facts you probably never knew about drfrostmaths.com
DrFrostMaths provides an online learning platform, teaching resources, videos and a bank of exam questions, all for free.
Visit drfrostmaths.comWe analyzed Drfrostmaths.com page load time and found that the first response time was 1.2 sec and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
drfrostmaths.com performance score
name
value
score
weighting
Value12.4 s
0/100
10%
Value18.8 s
0/100
25%
Value12.4 s
3/100
10%
Value2,430 ms
5/100
30%
Value0.019
100/100
15%
Value20.1 s
2/100
10%
1170 ms
42 ms
53 ms
41 ms
99 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 70% of them (28 requests) were addressed to the original Drfrostmaths.com, 15% (6 requests) were made to Cdnjs.cloudflare.com and 5% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Drfrostmaths.com.
Page size can be reduced by 432.1 kB (69%)
623.3 kB
191.1 kB
In fact, the total size of Drfrostmaths.com main page is 623.3 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. 55% of websites need less resources to load. Javascripts take 353.0 kB which makes up the majority of the site volume.
Potential reduce by 106.1 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 106.1 kB or 89% of the original size.
Potential reduce by 4.5 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. Dr Frost Maths images are well optimized though.
Potential reduce by 246.4 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 246.4 kB or 70% of the original size.
Potential reduce by 75.1 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. Drfrostmaths.com needs all CSS files to be minified and compressed as it can save up to 75.1 kB or 79% of the original size.
Number of requests can be reduced by 30 (79%)
38
8
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Frost Maths. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
drfrostmaths.com
1170 ms
jquery.min.js
42 ms
jquery-ui.js
53 ms
jquery-ui.css
41 ms
main-1.9.css
99 ms
dfmUI-1.3.js
153 ms
main-1.10.js
355 ms
logged-in-users-1.9.js
356 ms
algebra-1.2.js
357 ms
mathquill.css
358 ms
mathquill-1.0.js
626 ms
MathJax.js
49 ms
vex.combined.min.js
359 ms
vex.css
507 ms
vex-theme-plain.css
509 ms
dfm-homework-1.7.css
510 ms
dfm-homework-2.25.min.js
643 ms
TeX-AMS_CHTML.js
17 ms
analytics.js
73 ms
home-search-small.png
80 ms
menu.png
117 ms
users.png
118 ms
search-large.png
119 ms
send.png
118 ms
home-pic-4.png
119 ms
tes.png
229 ms
OxfordUni.png
230 ms
tesaward-home.png
232 ms
coloured-bar.png
225 ms
right-arrow-white.png
225 ms
backspace.png
166 ms
left.png
266 ms
right.png
265 ms
enter.png
264 ms
collect
38 ms
MathOperators.js
6 ms
collect
44 ms
jax.js
5 ms
fontdata.js
9 ms
AMS-Regular.js
5 ms
drfrostmaths.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.
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
Form elements do not have associated labels
drfrostmaths.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
Missing source maps for large first-party JavaScript
drfrostmaths.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drfrostmaths.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 Drfrostmaths.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.
drfrostmaths.com
Open Graph description is not detected on the main page of Dr Frost Maths. 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: