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costbasis.com screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

costbasis.com

Cost Basis - Home

Page Load Speed

2 sec in total

First Response

147 ms

Resources Loaded

1.6 sec

Page Rendered

312 ms

costbasis.com screenshot

About Website

Click here to check amazing Cost Basis content for United States. Otherwise, check out these important facts you probably never knew about costbasis.com

What is the cost basis of my investment? How do I handle spinoffs and corporate mergers? What is my gain on cash in lieu of fractional shares? How do I account for bond premiums and discounts? How do ...

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Key Findings

We analyzed Costbasis.com page load time and found that the first response time was 147 ms and then it took 1.9 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

costbasis.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

costbasis.com

147 ms

ic_globals_published.js

44 ms

user.js

59 ms

photoalbum.js

73 ms

template.css

45 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 15% of them (13 requests) were addressed to the original Costbasis.com, 8% (7 requests) were made to Image2.pubmatic.com and 7% (6 requests) were made to Resources.infolinks.com. The less responsive or slowest element that took the longest time to load (481 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 417.4 kB (63%)

Content Size

667.0 kB

After Optimization

249.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Costbasis.com main page is 667.0 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. 55% of websites need less resources to load. Javascripts take 522.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 60.1 kB

  • Original 74.0 kB
  • After minification 73.4 kB
  • After compression 14.0 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 60.1 kB or 81% of the original size.

Image Optimization

-14%

Potential reduce by 5.6 kB

  • Original 39.0 kB
  • After minification 33.5 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. Obviously, Cost Basis needs image optimization as it can save up to 5.6 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 323.8 kB

  • Original 522.1 kB
  • After minification 487.1 kB
  • After compression 198.2 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 323.8 kB or 62% of the original size.

CSS Optimization

-88%

Potential reduce by 28.0 kB

  • Original 31.9 kB
  • After minification 22.3 kB
  • After compression 3.9 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. Costbasis.com needs all CSS files to be minified and compressed as it can save up to 28.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (59%)

Requests Now

80

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cost Basis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

costbasis.com

costbasis.com

147 ms

ic_globals_published.js

ic_globals_published.js

44 ms

user.js

user.js

59 ms

photoalbum.js

photoalbum.js

73 ms

template.css

template.css

45 ms

website.css

website.css

44 ms

1custom.css

1custom.css

60 ms

icwebsiteelement.css

icwebsiteelement.css

71 ms

30b

30b

67 ms

show_ads.js

show_ads.js

8 ms

widgets.js

widgets.js

114 ms

atrk.js

atrk.js

50 ms

infolinks_main.js

infolinks_main.js

95 ms

costbasis140424noborder.gif

costbasis140424noborder.gif

389 ms

poweredby_000000.gif

poweredby_000000.gif

61 ms

poweredby_FFFFFF.gif

poweredby_FFFFFF.gif

65 ms

ic_050_body_bg_wide.gif

ic_050_body_bg_wide.gif

60 ms

180_stock_lookup.jpg

180_stock_lookup.jpg

61 ms

181_mobile_phone.jpg

181_mobile_phone.jpg

60 ms

plusone.js

plusone.js

187 ms

ca-pub-0283573310869383.js

ca-pub-0283573310869383.js

195 ms

zrt_lookup.html

zrt_lookup.html

233 ms

show_ads_impl.js

show_ads_impl.js

80 ms

quant.js

quant.js

55 ms

atrk.gif

atrk.gif

205 ms

branding.css

branding.css

35 ms

branding.css

branding.css

186 ms

test.png

test.png

299 ms

ads

ads

406 ms

pixel;r=1007249081;a=p-cbjf1QV2hzqMk;fpan=1;fpa=P0-1549644377-1458489357241;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1458489357241;tzo=-180;ref=;url=http%3A%2F%2Fcostbasis.com%2F;ogl=

pixel;r=1007249081;a=p-cbjf1QV2hzqMk;fpan=1;fpa=P0-1549644377-1458489357241;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1458489357241;tzo=-180;ref=;url=http%3A%2F%2Fcostbasis.com%2F;ogl=

71 ms

osd.js

osd.js

61 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

66 ms

ss51458489357058

ss51458489357058

65 ms

ads

ads

357 ms

ads

ads

481 ms

user_sync.html

user_sync.html

62 ms

usersyncup-an.html

usersyncup-an.html

54 ms

ice.js

ice.js

139 ms

ga.js

ga.js

7 ms

ic_050_nav_image.jpg

ic_050_nav_image.jpg

24 ms

__utm.gif

__utm.gif

21 ms

011130_1183_0006_lsls.jpg

011130_1183_0006_lsls.jpg

24 ms

tweet.2c548e167cf5bdb0bd941e41896f257d.js

tweet.2c548e167cf5bdb0bd941e41896f257d.js

228 ms

showad.js

showad.js

80 ms

PugMaster

PugMaster

90 ms

14584893576121

14584893576121

64 ms

pixel

pixel

42 ms

Pug

Pug

39 ms

usersync.aspx

usersync.aspx

43 ms

Pug

Pug

134 ms

pixel

pixel

133 ms

Pug

Pug

133 ms

mapuid

mapuid

121 ms

syndication

syndication

135 ms

tweets.json

tweets.json

137 ms

FBLIS.html

FBLIS.html

98 ms

doq.htm

doq.htm

73 ms

Pug

Pug

48 ms

Pug

Pug

43 ms

Pug

Pug

31 ms

Pug

Pug

29 ms

sdk.js

sdk.js

229 ms

tweet.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

tweet.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

178 ms

tweet.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

tweet.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

184 ms

loader.gif

loader.gif

170 ms

getads.htm

getads.htm

104 ms

loader-bg.png

loader-bg.png

67 ms

CBlogo3_normal.jpg

CBlogo3_normal.jpg

183 ms

95 ms

xd_arbiter.php

xd_arbiter.php

150 ms

xd_arbiter.php

xd_arbiter.php

274 ms

echo.htm

echo.htm

121 ms

xd_arbiter.php

xd_arbiter.php

88 ms

jot

jot

22 ms

tag

tag

25 ms

aa.js

aa.js

33 ms

Admeta.js

Admeta.js

62 ms

jot

jot

25 ms

JSAdservingMP.ashx

JSAdservingMP.ashx

11 ms

beacon.js

beacon.js

6 ms

p.js

p.js

16 ms

getjs.aspx

getjs.aspx

19 ms

fltiu.js

fltiu.js

25 ms

i

i

17 ms

Accessibility Review

costbasis.com accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

costbasis.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

costbasis.com SEO score

97

Search Engine Optimization Advices

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Costbasis.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 Costbasis.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

costbasis.com

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