Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

tesolal.simplybook.me

Applied Linguistics and TESOL | Scheduling and Booking Website

Page Load Speed

1.9 sec in total

First Response

148 ms

Resources Loaded

1.3 sec

Page Rendered

458 ms

About Website

Welcome to tesolal.simplybook.me homepage info - get ready to check TESOL Al Simplybook best content for United States right away, or after learning these important things about tesolal.simplybook.me

Click the "Book Now" button to schedule office hours. Welcome to the Office Hours booking site for the Applied Linguistics and TESOL Program at Teachers College, Columbia University.  ***Ple...

Visit tesolal.simplybook.me

Key Findings

We analyzed Tesolal.simplybook.me page load time and found that the first response time was 148 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

tesolal.simplybook.me performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value1,560 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

about

148 ms

style.css

34 ms

css

32 ms

jsapi

28 ms

js

28 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 60% of them (55 requests) were addressed to the original Tesolal.simplybook.me, 16% (15 requests) were made to Maps.google.com and 11% (10 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (266 ms) belongs to the original domain Tesolal.simplybook.me.

Page Optimization Overview & Recommendations

Page size can be reduced by 764.5 kB (50%)

Content Size

1.5 MB

After Optimization

775.4 kB

In fact, the total size of Tesolal.simplybook.me main page is 1.5 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. 65% of websites need less resources to load. Javascripts take 846.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 75.0 kB

  • Original 92.5 kB
  • After minification 90.8 kB
  • After compression 17.5 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. 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 75.0 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 34.7 kB

  • Original 528.0 kB
  • After minification 493.3 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. TESOL Al Simplybook images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 595.8 kB

  • Original 846.3 kB
  • After minification 809.5 kB
  • After compression 250.6 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 595.8 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 59.0 kB

  • Original 73.1 kB
  • After minification 54.7 kB
  • After compression 14.1 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. Tesolal.simplybook.me needs all CSS files to be minified and compressed as it can save up to 59.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (48%)

Requests Now

85

After Optimization

44

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TESOL Al Simplybook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tesolal.simplybook.me accessibility score

88

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.

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

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

tesolal.simplybook.me 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

tesolal.simplybook.me SEO score

98

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tesolal.simplybook.me 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 Tesolal.simplybook.me 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

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