Tools & Wizards About Us
frontend.center screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

frontend.center

Front End Center — Screencasts for Web Professionals

Page Load Speed

2.3 sec in total

First Response

26 ms

Resources Loaded

1.6 sec

Page Rendered

636 ms

frontend.center screenshot

About Website

Visit frontend.center now to see the best up-to-date Front End content for United States and also check out these interesting facts you probably never knew about frontend.center

Front End Center is a screencast series covering the full breadth of topics relevant to front-end web development — from browser features to clean JavaScript, from performance considerations to unders...

Visit frontend.center

Key Findings

We analyzed Frontend.center page load time and found that the first response time was 26 ms 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 45% of websites can load faster.

Performance Metrics

frontend.center performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.9 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value11,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.1 s

0/100

10%

Network Requests Diagram

frontend.center

26 ms

frontend.center

171 ms

_QeNLrkPvdI

117 ms

ak4EZQB4Ylg

119 ms

tO01ul1WNW8

116 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 65% of them (39 requests) were addressed to the original Frontend.center, 20% (12 requests) were made to Youtube.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (828 ms) belongs to the original domain Frontend.center.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (25%)

Content Size

7.8 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Frontend.center main page is 7.8 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. Only a small number of websites need less resources to load. Images take 7.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 63.7 kB

  • Original 83.0 kB
  • After minification 80.1 kB
  • After compression 19.3 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 63.7 kB or 77% of the original size.

Image Optimization

-22%

Potential reduce by 1.6 MB

  • Original 7.3 MB
  • After minification 5.6 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. Obviously, Front End needs image optimization as it can save up to 1.6 MB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 221.5 kB

  • Original 409.5 kB
  • After minification 409.5 kB
  • After compression 188.0 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 221.5 kB or 54% of the original size.

CSS Optimization

-0%

Potential reduce by 162 B

  • Original 67.8 kB
  • After minification 67.8 kB
  • After compression 67.7 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. Frontend.center has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (19%)

Requests Now

57

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Front End. 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 as a result speed up the page load time.

Network Requests Diagram

frontend.center

frontend.center

26 ms

frontend.center

frontend.center

171 ms

_QeNLrkPvdI

_QeNLrkPvdI

117 ms

ak4EZQB4Ylg

ak4EZQB4Ylg

119 ms

tO01ul1WNW8

tO01ul1WNW8

116 ms

pSdp92Up8O8

pSdp92Up8O8

215 ms

_lQvw2vSDbs

_lQvw2vSDbs

113 ms

af4ZQJ14yu8

af4ZQJ14yu8

132 ms

krbKkLPXwlQ

krbKkLPXwlQ

244 ms

WQue1AN93YU

WQue1AN93YU

245 ms

email-decode.min.js

email-decode.min.js

17 ms

analytics.js

analytics.js

29 ms

gumroad.js

gumroad.js

234 ms

main.52ba59ac.js

main.52ba59ac.js

85 ms

me.ca03c5c8.png

me.ca03c5c8.png

81 ms

banner.af0e690e.png

banner.af0e690e.png

83 ms

banner.1f1418b8.png

banner.1f1418b8.png

84 ms

banner.a382d999.png

banner.a382d999.png

82 ms

banner.96f1427a.png

banner.96f1427a.png

85 ms

banner.22958f96.png

banner.22958f96.png

85 ms

html-structure.b77a1a54.png

html-structure.b77a1a54.png

86 ms

division.ca2589ed.png

division.ca2589ed.png

89 ms

snapshot-rendering.8820db39.png

snapshot-rendering.8820db39.png

88 ms

parse-times.09d23887.png

parse-times.09d23887.png

87 ms

banner.dff90120.png

banner.dff90120.png

89 ms

banner.a98b37dd.png

banner.a98b37dd.png

90 ms

banner.25b57a42.png

banner.25b57a42.png

91 ms

banner.88c71b11.png

banner.88c71b11.png

93 ms

impact.4d02b1ab.png

impact.4d02b1ab.png

92 ms

snapshot-loading.66b118cc.png

snapshot-loading.66b118cc.png

93 ms

overlapping.0b9fe357.png

overlapping.0b9fe357.png

100 ms

overrides.c874dea9.png

overrides.c874dea9.png

105 ms

banner.05011377.png

banner.05011377.png

104 ms

image-graph.17690756.png

image-graph.17690756.png

103 ms

srcset-demo.6086fc60.jpg

srcset-demo.6086fc60.jpg

103 ms

jpeg-demo.8eee1fb7.jpg

jpeg-demo.8eee1fb7.jpg

189 ms

three-images.bc4aef0f.jpg

three-images.bc4aef0f.jpg

188 ms

banner.57807904.png

banner.57807904.png

110 ms

three-modes.cf992d17.png

three-modes.cf992d17.png

109 ms

mode-comparison.bc67f19b.png

mode-comparison.bc67f19b.png

112 ms

focus-indicator.a0648e1e.png

focus-indicator.a0648e1e.png

263 ms

validity-indicator.c09c9168.png

validity-indicator.c09c9168.png

200 ms

collect

collect

30 ms

snneonoire-subset.woff

snneonoire-subset.woff

171 ms

www-player.css

www-player.css

23 ms

www-embed-player.js

www-embed-player.js

50 ms

base.js

base.js

168 ms

js

js

651 ms

overlay-f8f9015a9aabefa09736.js

overlay-f8f9015a9aabefa09736.js

626 ms

overlay-d7a2b391.css

overlay-d7a2b391.css

668 ms

banner.af0e690e.png

banner.af0e690e.png

667 ms

banner.1f1418b8.png

banner.1f1418b8.png

667 ms

banner.a382d999.png

banner.a382d999.png

611 ms

banner.96f1427a.png

banner.96f1427a.png

666 ms

banner.22958f96.png

banner.22958f96.png

666 ms

html-structure.b77a1a54.png

html-structure.b77a1a54.png

828 ms

ad_status.js

ad_status.js

690 ms

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

556 ms

embed.js

embed.js

324 ms

widgets.js

widgets.js

276 ms

Accessibility Review

frontend.center accessibility score

88

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

frontend.center 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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

frontend.center SEO score

85

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Frontend.center 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 Frontend.center 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

frontend.center

Open Graph data is detected on the main page of Front End. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: