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sf-to.org screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sf-to.org

Symfony, High Performance PHP Framework for Web Development

Page Load Speed

2.2 sec in total

First Response

373 ms

Resources Loaded

1.4 sec

Page Rendered

405 ms

sf-to.org screenshot

About Website

Click here to check amazing Sf To content. Otherwise, check out these important facts you probably never knew about sf-to.org

Symfony is a set of reusable PHP components and a PHP framework to build web applications, APIs, microservices and web services.

Visit sf-to.org

Key Findings

We analyzed Sf-to.org page load time and found that the first response time was 373 ms and then it took 1.8 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

sf-to.org performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

sf-to.org

373 ms

symfony.com

585 ms

app.cf8cfa05.css

20 ms

search.608e1217.css

25 ms

home.18cb1265.css

26 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Sf-to.org, 79% (19 requests) were made to Symfony.com and 4% (1 request) were made to Api.blackfire.io. The less responsive or slowest element that took the longest time to load (585 ms) relates to the external source Symfony.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 123.2 kB (36%)

Content Size

339.0 kB

After Optimization

215.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sf-to.org main page is 339.0 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. 25% of websites need less resources to load. Javascripts take 185.3 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 88.1 kB

  • Original 127.9 kB
  • After minification 112.4 kB
  • After compression 39.9 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 15.6 kB, which is 12% 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 88.1 kB or 69% of the original size.

Image Optimization

-11%

Potential reduce by 374 B

  • Original 3.6 kB
  • After minification 3.2 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, Sf To needs image optimization as it can save up to 374 B or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-19%

Potential reduce by 34.6 kB

  • Original 185.3 kB
  • After minification 185.3 kB
  • After compression 150.7 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 34.6 kB or 19% of the original size.

CSS Optimization

-1%

Potential reduce by 113 B

  • Original 22.2 kB
  • After minification 22.2 kB
  • After compression 22.1 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. Sf-to.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (81%)

Requests Now

21

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sf To. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sf-to.org

sf-to.org

373 ms

symfony.com

symfony.com

585 ms

app.cf8cfa05.css

app.cf8cfa05.css

20 ms

search.608e1217.css

search.608e1217.css

25 ms

home.18cb1265.css

home.18cb1265.css

26 ms

runtime.1e66e45a.js

runtime.1e66e45a.js

18 ms

198.13fc75c6.js

198.13fc75c6.js

29 ms

945.7ac68315.js

945.7ac68315.js

29 ms

995.480e273c.js

995.480e273c.js

30 ms

741.84ff19af.js

741.84ff19af.js

30 ms

165.d264d672.js

165.d264d672.js

33 ms

96.95869f2d.js

96.95869f2d.js

33 ms

805.5e0dea47.js

805.5e0dea47.js

36 ms

app.a4147619.js

app.a4147619.js

38 ms

search.1825c76b.js

search.1825c76b.js

35 ms

home.80fd6850.js

home.80fd6850.js

41 ms

394.f6dada0b.js

394.f6dada0b.js

47 ms

asciinema-player.8e59c2b7.js

asciinema-player.8e59c2b7.js

46 ms

probe.js

probe.js

291 ms

ca2b6d3fdff6537537632ec1086c6d36

ca2b6d3fdff6537537632ec1086c6d36

105 ms

logo-certification.svg

logo-certification.svg

41 ms

v84a3a4012de94ce1a686ba8c167c359c1696973893317

v84a3a4012de94ce1a686ba8c167c359c1696973893317

96 ms

print.de2ec216.css

print.de2ec216.css

12 ms

probe.js

probe.js

350 ms

Accessibility Review

sf-to.org accessibility score

100

Accessibility Issues

Best Practices

sf-to.org best practices score

83

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

Browser errors were logged to the console

SEO Factors

sf-to.org 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 Sf-to.org 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 Sf-to.org 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

sf-to.org

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