Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

costasmiles.com

Costa Dentistry | Accepting New Patients | Dentist in Great Falls & Ashburn, VA

Page Load Speed

2.2 sec in total

First Response

40 ms

Resources Loaded

2.1 sec

Page Rendered

1 ms

About Website

Visit costasmiles.com now to see the best up-to-date Costa Smiles content for United States and also check out these interesting facts you probably never knew about costasmiles.com

Our team at Costa Dentistry in Ashburn and Great Falls, VA can help improve the health of your smile. Contact us today to schedule an appointment!

Visit costasmiles.com

Key Findings

We analyzed Costasmiles.com page load time and found that the first response time was 40 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

costasmiles.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value2,120 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.083

94/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

costasmiles.com

40 ms

costasmiles.com

1943 ms

css2

34 ms

js

76 ms

js

143 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 50% of them (9 requests) were addressed to the original Costasmiles.com, 22% (4 requests) were made to Googletagmanager.com and 6% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Costasmiles.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 298.1 kB (59%)

Content Size

501.9 kB

After Optimization

203.8 kB

In fact, the total size of Costasmiles.com main page is 501.9 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. 45% of websites need less resources to load. HTML takes 387.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 297.3 kB

  • Original 387.7 kB
  • After minification 387.6 kB
  • After compression 90.4 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 297.3 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 27.4 kB
  • After minification 27.4 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. Costa Smiles images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 809 B

  • Original 86.7 kB
  • After minification 86.7 kB
  • After compression 85.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 16 B

  • Original 210 B
  • After minification 210 B
  • After compression 194 B

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. Costasmiles.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (53%)

Requests Now

15

After Optimization

7

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Costa Smiles. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

costasmiles.com accessibility score

90

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

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

costasmiles.com best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

costasmiles.com SEO score

79

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Costasmiles.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 Costasmiles.com main page’s claimed encoding is euc-jp. 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

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