Tools & Wizards About Us
regex.info screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

regex.info

Jeffrey Friedl's Web Sites

Page Load Speed

1.7 sec in total

First Response

194 ms

Resources Loaded

635 ms

Page Rendered

858 ms

regex.info screenshot

About Website

Click here to check amazing Regex content for India. Otherwise, check out these important facts you probably never knew about regex.info

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Key Findings

We analyzed Regex.info page load time and found that the first response time was 194 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

regex.info performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

regex.info

194 ms

ga.js

5 ms

MRE-cover.gif

177 ms

JF7_114528_sm.jpg

362 ms

LrIcon.png

441 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 71% of them (5 requests) were addressed to the original Regex.info, 29% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (441 ms) belongs to the original domain Regex.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.6 kB (32%)

Content Size

282.7 kB

After Optimization

193.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Regex.info main page is 282.7 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. 15% of websites need less resources to load. Images take 260.7 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 3.0 kB

  • Original 4.8 kB
  • After minification 4.7 kB
  • After compression 1.8 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 3.0 kB or 62% of the original size.

Image Optimization

-33%

Potential reduce by 86.6 kB

  • Original 260.7 kB
  • After minification 174.2 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, Regex needs image optimization as it can save up to 86.6 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Regex. According to our analytics all requests are already optimized.

Network Requests Diagram

regex.info

regex.info

194 ms

ga.js

ga.js

5 ms

MRE-cover.gif

MRE-cover.gif

177 ms

JF7_114528_sm.jpg

JF7_114528_sm.jpg

362 ms

LrIcon.png

LrIcon.png

441 ms

eyes.png

eyes.png

177 ms

__utm.gif

__utm.gif

31 ms

Accessibility Review

regex.info accessibility score

58

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<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

High

Image elements do not have [alt] attributes

Best Practices

regex.info best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

regex.info SEO score

62

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Regex.info 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 Regex.info main page’s claimed encoding is iso-8859-1. 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.

Social Sharing Optimization

regex.info

Open Graph description is not detected on the main page of Regex. 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: