Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

moderndevtools.com

Modern DevTools - A video based web performance course

Page Load Speed

1.6 sec in total

First Response

42 ms

Resources Loaded

433 ms

Page Rendered

1.1 sec

moderndevtools.com screenshot

About Website

Click here to check amazing Modern Dev Tools content for India. Otherwise, check out these important facts you probably never knew about moderndevtools.com

Premium DevTools video course, advanced performance debugging, service workers, front end security and more

Visit moderndevtools.com

Key Findings

We analyzed Moderndevtools.com page load time and found that the first response time was 42 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

moderndevtools.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

96/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

moderndevtools.com

42 ms

moderndevtools.com

158 ms

main-339e8d2d08.css

12 ms

analytics.js

40 ms

email-decode.min.js

11 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 95% of them (53 requests) were addressed to the original Moderndevtools.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (183 ms) belongs to the original domain Moderndevtools.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.4 kB (4%)

Content Size

1.9 MB

After Optimization

1.9 MB

In fact, the total size of Moderndevtools.com main page is 1.9 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. 35% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.8 kB

  • Original 34.4 kB
  • After minification 30.7 kB
  • After compression 8.6 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 3.7 kB, which is 11% 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 25.8 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 47.5 kB

  • Original 1.9 MB
  • After minification 1.8 MB

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. Modern Dev Tools images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 67 B

  • Original 21.6 kB
  • After minification 21.6 kB
  • After compression 21.6 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

Number of requests can be reduced by 3 (6%)

Requests Now

54

After Optimization

51

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Modern Dev Tools. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

moderndevtools.com accessibility score

97

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.

Best Practices

moderndevtools.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

moderndevtools.com SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Moderndevtools.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 Moderndevtools.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Modern Dev Tools. 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: