Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

polarr.herokuapp.com

Photo Editor | Polarr - Online Photo Editor. Now support RAW photo editing.

Page Load Speed

926 ms in total

First Response

17 ms

Resources Loaded

784 ms

Page Rendered

125 ms

polarr.herokuapp.com screenshot

About Website

Click here to check amazing Polarr Herokuapp content for United States. Otherwise, check out these important facts you probably never knew about polarr.herokuapp.com

From advanced image filters to professional local adjustments, Polarr is the most versatile and powerful online photo editor in the web. Now support RAW photo editing.

Visit polarr.herokuapp.com

Key Findings

We analyzed Polarr.herokuapp.com page load time and found that the first response time was 17 ms and then it took 909 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

polarr.herokuapp.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

polarr.herokuapp.com

17 ms

polarr.herokuapp.com

47 ms

css

60 ms

bundle.min.css

22 ms

checkout.js

72 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 25% of them (7 requests) were addressed to the original Polarr.herokuapp.com, 14% (4 requests) were made to Apis.google.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (364 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.9 kB (54%)

Content Size

799.6 kB

After Optimization

366.7 kB

In fact, the total size of Polarr.herokuapp.com main page is 799.6 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. 35% of websites need less resources to load. Javascripts take 594.0 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 19.0 kB

  • Original 27.8 kB
  • After minification 26.4 kB
  • After compression 8.8 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 19.0 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 177.7 kB
  • After minification 177.7 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. Polarr Herokuapp images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 413.8 kB

  • Original 594.0 kB
  • After minification 594.0 kB
  • After compression 180.2 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 413.8 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (50%)

Requests Now

24

After Optimization

12

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Polarr Herokuapp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

polarr.herokuapp.com accessibility score

72

Accessibility Issues

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

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

polarr.herokuapp.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

polarr.herokuapp.com SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Polarr.herokuapp.com 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 Polarr.herokuapp.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 data is detected on the main page of Polarr Herokuapp. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: