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sciencerack.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sciencerack.com

What Is Computer Science? | meaning | Fields & Branches

Page Load Speed

4.8 sec in total

First Response

202 ms

Resources Loaded

3 sec

Page Rendered

1.6 sec

sciencerack.com screenshot

About Website

Visit sciencerack.com now to see the best up-to-date Science Rack content for Pakistan and also check out these interesting facts you probably never knew about sciencerack.com

Computer Science is a branch of science that deals with the study of computing, programming & computation associated with computer systems

Visit sciencerack.com

Key Findings

We analyzed Sciencerack.com page load time and found that the first response time was 202 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sciencerack.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

sciencerack.com

202 ms

sciencerack.com

1363 ms

style.min.css

51 ms

adsforwp-front.min.css

189 ms

base.min.css

197 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 60% of them (35 requests) were addressed to the original Sciencerack.com, 9% (5 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sciencerack.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.6 kB (15%)

Content Size

875.3 kB

After Optimization

742.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencerack.com main page is 875.3 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. 70% of websites need less resources to load. Javascripts take 542.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 92.6 kB

  • Original 119.7 kB
  • After minification 117.2 kB
  • After compression 27.1 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 92.6 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 2.2 kB

  • Original 98.2 kB
  • After minification 96.0 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. Science Rack images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 12.4 kB

  • Original 542.5 kB
  • After minification 542.5 kB
  • After compression 530.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 25.4 kB

  • Original 114.9 kB
  • After minification 114.9 kB
  • After compression 89.5 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. Sciencerack.com needs all CSS files to be minified and compressed as it can save up to 25.4 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (62%)

Requests Now

47

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Rack. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sciencerack.com

sciencerack.com

202 ms

sciencerack.com

sciencerack.com

1363 ms

style.min.css

style.min.css

51 ms

adsforwp-front.min.css

adsforwp-front.min.css

189 ms

base.min.css

base.min.css

197 ms

style.min.css

style.min.css

35 ms

widgets.min.css

widgets.min.css

186 ms

helpers.min.css

helpers.min.css

59 ms

fontawesome.css

fontawesome.css

62 ms

skin.css

skin.css

71 ms

single.min.css

single.min.css

204 ms

font-awesome.min.css

font-awesome.min.css

55 ms

css

css

60 ms

mb-button.css

mb-button.css

208 ms

jquery.min.js

jquery.min.js

71 ms

jquery-migrate.min.js

jquery-migrate.min.js

233 ms

adsbygoogle.js

adsbygoogle.js

84 ms

adsbygoogle.js

adsbygoogle.js

132 ms

js

js

74 ms

adsbygoogle.js

adsbygoogle.js

122 ms

ads-front.min.js

ads-front.min.js

427 ms

ads-frontend.min.js

ads-frontend.min.js

429 ms

scripts.min.js

scripts.min.js

428 ms

lightbox.js

lightbox.js

428 ms

desktop.min.js

desktop.min.js

158 ms

single.min.js

single.min.js

162 ms

science.jpg

science.jpg

205 ms

download-min.jpg

download-min.jpg

278 ms

dont-throw-that-pc-away-6-things-to-do-with-an-old-computer-136397306789803901-150402121118-min-300x169.jpg

dont-throw-that-pc-away-6-things-to-do-with-an-old-computer-136397306789803901-150402121118-min-300x169.jpg

282 ms

types-of-database-relationships-220x150.jpg

types-of-database-relationships-220x150.jpg

320 ms

Tweaklink-Vip-APK-220x150.jpg

Tweaklink-Vip-APK-220x150.jpg

319 ms

rozdf-min-220x150.jpg

rozdf-min-220x150.jpg

320 ms

famf-min-220x150.png

famf-min-220x150.png

541 ms

wps-wpa-tester-premium-apk-min-220x150.jpg

wps-wpa-tester-premium-apk-min-220x150.jpg

367 ms

snapchat-phantom-ipa-220x150.jpg

snapchat-phantom-ipa-220x150.jpg

367 ms

cleanerb-6-min-220x150.jpg

cleanerb-6-min-220x150.jpg

540 ms

show_ads_impl.js

show_ads_impl.js

139 ms

zrt_lookup.html

zrt_lookup.html

141 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

109 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

110 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

151 ms

fa-solid-900.woff

fa-solid-900.woff

487 ms

fa-regular-400.woff

fa-regular-400.woff

328 ms

fa-brands-400.woff

fa-brands-400.woff

617 ms

tielabs-fonticon.woff

tielabs-fonticon.woff

487 ms

js

js

138 ms

analytics.js

analytics.js

133 ms

ads

ads

525 ms

ads

ads

553 ms

collect

collect

103 ms

ads

ads

644 ms

ads

ads

362 ms

webfont.js

webfont.js

82 ms

css

css

25 ms

print.css

print.css

263 ms

pxiByp8kv8JHgFVrLEj6Z1xlEw.woff

pxiByp8kv8JHgFVrLEj6Z1xlEw.woff

36 ms

pxiEyp8kv8JHgFVrJJfedA.woff

pxiEyp8kv8JHgFVrJJfedA.woff

37 ms

reactive_library.js

reactive_library.js

105 ms

Accessibility Review

sciencerack.com accessibility score

99

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

Best Practices

sciencerack.com 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

sciencerack.com SEO score

86

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

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 Sciencerack.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 Sciencerack.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

sciencerack.com

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