Tools & Wizards About Us
sfr.one screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sfr.one

Login • Instagram

Page Load Speed

960 ms in total

First Response

269 ms

Resources Loaded

631 ms

Page Rendered

60 ms

sfr.one screenshot

About Website

Welcome to sfr.one homepage info - get ready to check Sfr best content for United States right away, or after learning these important things about sfr.one

Welcome back to Instagram. Sign in to check out what your friends, family & interests have been capturing & sharing around the world.

Visit sfr.one

Key Findings

We analyzed Sfr.one page load time and found that the first response time was 269 ms and then it took 691 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.

Performance Metrics

sfr.one performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value1,520 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

269 ms

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0 ms

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2 ms

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2 ms

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2 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sfr.one, 39% (7 requests) were made to and 6% (1 request) were made to Instagram.com. The less responsive or slowest element that took the longest time to load (269 ms) relates to the external source Instagram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 258.4 kB (74%)

Content Size

351.4 kB

After Optimization

93.1 kB

  • HTML

In fact, the total size of Sfr.one main page is 351.4 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. 65% of websites need less resources to load. HTML takes 351.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 258.4 kB

  • Original 351.4 kB
  • After minification 350.6 kB
  • After compression 93.1 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 258.4 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (80%)

Requests Now

10

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sfr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

269 ms

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Accessibility Review

sfr.one accessibility score

90

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sfr.one 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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sfr.one SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Sfr.one 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 Sfr.one 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

sfr.one

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