1.1 sec in total
174 ms
805 ms
157 ms
Click here to check amazing Regex One content for United States. Otherwise, check out these important facts you probably never knew about regexone.com
RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions
Visit regexone.comWe analyzed Regexone.com page load time and found that the first response time was 174 ms and then it took 962 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
regexone.com performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value3.3 s
70/100
25%
Value4.2 s
77/100
10%
Value880 ms
32/100
30%
Value0.004
100/100
15%
Value11.4 s
19/100
10%
174 ms
99 ms
121 ms
93 ms
70 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 22% of them (7 requests) were addressed to the original Regexone.com, 16% (5 requests) were made to Cdnjs.cloudflare.com and 13% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (229 ms) relates to the external source Googleads.g.doubleclick.net.
Page size can be reduced by 299.7 kB (62%)
487.1 kB
187.4 kB
In fact, the total size of Regexone.com main page is 487.1 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. 35% of websites need less resources to load. Javascripts take 315.4 kB which makes up the majority of the site volume.
Potential reduce by 21.9 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 4.9 kB, which is 18% 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 21.9 kB or 80% of the original size.
Potential reduce by 64 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. Regex One images are well optimized though.
Potential reduce by 164.4 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 164.4 kB or 52% of the original size.
Potential reduce by 113.3 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. Regexone.com needs all CSS files to be minified and compressed as it can save up to 113.3 kB or 83% of the original size.
Number of requests can be reduced by 21 (70%)
30
9
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Regex One. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
regexone.com
174 ms
bootstrap.min.css
99 ms
css
121 ms
main.min.css
93 ms
adsbygoogle.js
70 ms
btn_donate_SM.gif
136 ms
jquery.min.js
136 ms
underscore-min.js
115 ms
bootstrap.min.js
115 ms
highlight.min.js
115 ms
main.min.js
171 ms
favicon.png
213 ms
icon_tutorial.png
214 ms
icon_reference.png
213 ms
task_default.png
214 ms
pixel.gif
170 ms
analytics.js
42 ms
ca-pub-4789820854456926.js
35 ms
zrt_lookup.html
38 ms
show_ads_impl.js
46 ms
collect
18 ms
collect
76 ms
ads
229 ms
osd.js
6 ms
css
19 ms
m_js_controller.js
27 ms
abg.js
44 ms
favicon
42 ms
googlelogo_color_112x36dp.png
43 ms
nessie_icon_tiamat_white.png
19 ms
s
11 ms
x_button_blue2.png
17 ms
regexone.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-*] 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.
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
regexone.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
Page has valid source maps
regexone.com 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Regexone.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Regexone.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.
regexone.com
Open Graph description is not detected on the main page of Regex One. 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: