Tools & Wizards About Us
marksharks.com screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

marksharks.com

MarkSharks - Maths and Science Education App - Learn Maths and Science by doing

Page Load Speed

5.4 sec in total

First Response

480 ms

Resources Loaded

4.4 sec

Page Rendered

458 ms

marksharks.com screenshot

About Website

Visit marksharks.com now to see the best up-to-date Mark Sharks content for India and also check out these interesting facts you probably never knew about marksharks.com

Math & Science Education App. Learn CBSE Maths, Science and Improve your marks with active learning. Practice Maths & Science chapters with quizzes, available for Class 7-10. Take a Free Demo, Learnin...

Visit marksharks.com

Key Findings

We analyzed Marksharks.com page load time and found that the first response time was 480 ms and then it took 4.9 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

marksharks.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.506

16/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

marksharks.com

480 ms

marksharks.com

939 ms

js

85 ms

bootstrap.min.css

237 ms

jquery.min.js

33 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 73% of them (43 requests) were addressed to the original Marksharks.com, 8% (5 requests) were made to Fonts.googleapis.com and 5% (3 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Marksharks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 303.6 kB (9%)

Content Size

3.3 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Marksharks.com main page is 3.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 32.9 kB

  • Original 39.1 kB
  • After minification 20.7 kB
  • After compression 6.2 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 18.4 kB, which is 47% 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 32.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 186.0 kB

  • Original 3.0 MB
  • After minification 2.8 MB

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. Mark Sharks images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 51.1 kB

  • Original 159.5 kB
  • After minification 159.5 kB
  • After compression 108.5 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 51.1 kB or 32% of the original size.

CSS Optimization

-38%

Potential reduce by 33.6 kB

  • Original 89.1 kB
  • After minification 78.3 kB
  • After compression 55.6 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. Marksharks.com needs all CSS files to be minified and compressed as it can save up to 33.6 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (43%)

Requests Now

53

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mark Sharks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

marksharks.com

marksharks.com

480 ms

marksharks.com

marksharks.com

939 ms

js

js

85 ms

bootstrap.min.css

bootstrap.min.css

237 ms

jquery.min.js

jquery.min.js

33 ms

bootstrap.min.js

bootstrap.min.js

40 ms

ckin.css

ckin.css

470 ms

custom2.css

custom2.css

689 ms

3fb16a4320.js

3fb16a4320.js

106 ms

font-awesome-animation.css

font-awesome-animation.css

693 ms

animate.css

animate.css

693 ms

font-awesome.min.css

font-awesome.min.css

50 ms

icomoon.css

icomoon.css

696 ms

lity.css

lity.css

700 ms

bootstrap.min.js

bootstrap.min.js

702 ms

jquery.js

jquery.js

1155 ms

lity.js

lity.js

919 ms

particles.min.js

particles.min.js

29 ms

particles.js

particles.js

923 ms

animate.min.js

animate.min.js

931 ms

ckin.js

ckin.js

933 ms

css

css

28 ms

css

css

43 ms

css

css

47 ms

css

css

48 ms

css

css

49 ms

fbevents.js

fbevents.js

97 ms

logo_white.png

logo_white.png

233 ms

image1.png

image1.png

231 ms

image2.png

image2.png

920 ms

image3.png

image3.png

925 ms

google_play.png

google_play.png

231 ms

wa.png

wa.png

228 ms

BookaDemo1.png

BookaDemo1.png

1135 ms

web_info.png

web_info.png

913 ms

onlineclass.png

onlineclass.png

461 ms

Vinay2.png

Vinay2.png

1387 ms

vishwas2.png

vishwas2.png

1142 ms

quiz.png

quiz.png

1144 ms

microscope-solid.svg

microscope-solid.svg

1152 ms

drafting-compass-solid.svg

drafting-compass-solid.svg

1159 ms

chart-bar-solid.svg

chart-bar-solid.svg

1365 ms

trailer-solid.svg

trailer-solid.svg

1372 ms

img01_screen3A.png

img01_screen3A.png

1600 ms

tasks-solid.svg

tasks-solid.svg

1384 ms

Sarthak.png

Sarthak.png

1393 ms

Jigyansh.png

Jigyansh.png

1595 ms

Nagender.png

Nagender.png

1600 ms

partners-4.png

partners-4.png

1614 ms

partners-2.png

partners-2.png

1616 ms

partners-3.png

partners-3.png

1626 ms

partners-1.png

partners-1.png

1823 ms

partners-5.png

partners-5.png

1828 ms

font

font

78 ms

font

font

79 ms

font

font

78 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

25 ms

icomoon.ttf

icomoon.ttf

1734 ms

ckin.ttf

ckin.ttf

1653 ms

Accessibility Review

marksharks.com accessibility score

76

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

High

Links do not have a discernible name

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

marksharks.com best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

marksharks.com SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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

High

Tap targets are not sized appropriately

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 Marksharks.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 Marksharks.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

marksharks.com

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