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orcabrowser.com screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

orcabrowser.com

How to Work with Files in Python: Reading, Writing, and File Operations

Page Load Speed

2 sec in total

First Response

243 ms

Resources Loaded

1.4 sec

Page Rendered

327 ms

orcabrowser.com screenshot

About Website

Visit orcabrowser.com now to see the best up-to-date Orcabrowser content and also check out these interesting facts you probably never knew about orcabrowser.com

Learn how to open, read, write, and perform file operations in Python with built-in functions and libraries. A list of modes for a file handling.

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Key Findings

We analyzed Orcabrowser.com page load time and found that the first response time was 243 ms and then it took 1.7 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

orcabrowser.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

orcabrowser.com

243 ms

style3.css

137 ms

dd_belatedPNG_0.0.8a-min.js

154 ms

pngfix.js

152 ms

script-ck.js

380 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that all of those requests were addressed to Orcabrowser.com and no external sources were called. The less responsive or slowest element that took the longest time to load (641 ms) belongs to the original domain Orcabrowser.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 143.4 kB (15%)

Content Size

941.2 kB

After Optimization

797.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Orcabrowser.com main page is 941.2 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. Images take 769.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 23.6 kB

  • Original 29.1 kB
  • After minification 19.7 kB
  • After compression 5.5 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 9.4 kB, which is 32% 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 23.6 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 21.7 kB

  • Original 769.9 kB
  • After minification 748.2 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. Orcabrowser images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 84.6 kB

  • Original 125.4 kB
  • After minification 119.8 kB
  • After compression 40.8 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 84.6 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 13.5 kB

  • Original 16.8 kB
  • After minification 15.0 kB
  • After compression 3.4 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. Orcabrowser.com needs all CSS files to be minified and compressed as it can save up to 13.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (27%)

Requests Now

45

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Orcabrowser. 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.

Network Requests Diagram

orcabrowser.com

orcabrowser.com

243 ms

style3.css

style3.css

137 ms

dd_belatedPNG_0.0.8a-min.js

dd_belatedPNG_0.0.8a-min.js

154 ms

pngfix.js

pngfix.js

152 ms

script-ck.js

script-ck.js

380 ms

InitPage.js

InitPage.js

155 ms

clientbg.jpg

clientbg.jpg

151 ms

bgnav.png

bgnav.png

72 ms

logo.png

logo.png

231 ms

downloadn.png

downloadn.png

85 ms

downloader.png

downloader.png

86 ms

midcolbg.png

midcolbg.png

73 ms

dotline.png

dotline.png

142 ms

spliter_mid.png

spliter_mid.png

144 ms

slideshowleft.png

slideshowleft.png

159 ms

slideshowbg.jpg

slideshowbg.jpg

385 ms

slideshowright.png

slideshowright.png

213 ms

TriCore_BK.png

TriCore_BK.png

396 ms

MPAF_BK.png

MPAF_BK.png

222 ms

SplitView_BK.png

SplitView_BK.png

328 ms

VideoSniffer_BK.png

VideoSniffer_BK.png

423 ms

StayOnTop_BK.png

StayOnTop_BK.png

371 ms

ADBlocker_BK.png

ADBlocker_BK.png

390 ms

AutoFiller_BK.png

AutoFiller_BK.png

403 ms

DownloadAccelerator_BK.png

DownloadAccelerator_BK.png

445 ms

NoMemLeaks_BK.png

NoMemLeaks_BK.png

460 ms

OnlineProfile_BK.png

OnlineProfile_BK.png

468 ms

square.png

square.png

480 ms

TriCore.png

TriCore.png

480 ms

MPAF.png

MPAF.png

493 ms

SplitView.png

SplitView.png

517 ms

VideoSniffer.png

VideoSniffer.png

535 ms

StayOnTop.png

StayOnTop.png

542 ms

ADBlocker.png

ADBlocker.png

545 ms

AutoFiller.png

AutoFiller.png

551 ms

DownloadAccelerator.png

DownloadAccelerator.png

568 ms

NoMemLeaks.png

NoMemLeaks.png

587 ms

OnlineProfile.png

OnlineProfile.png

609 ms

bottom.png

bottom.png

616 ms

facebook.png

facebook.png

616 ms

twitter.png

twitter.png

624 ms

DroidSerif-Bold-webfont.woff

DroidSerif-Bold-webfont.woff

641 ms

DroidSerif-Regular-webfont.woff

DroidSerif-Regular-webfont.woff

596 ms

google.png

google.png

616 ms

weibo.png

weibo.png

611 ms

top.png

top.png

608 ms

active.png

active.png

223 ms

go.gif

go.gif

72 ms

Accessibility Review

orcabrowser.com accessibility score

74

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

orcabrowser.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

orcabrowser.com SEO score

69

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

Image elements do not have [alt] attributes

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 Orcabrowser.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 Orcabrowser.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

orcabrowser.com

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