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Report generated 2 years ago
https://www.swimminglessonslondon.co.uk
Your general SEO Checkup Score
Archived
75/100
SEO Score
Average SEO score of top 100 sites: 75%
This website received an SEO score of 75 out of 100, which is the same as the average score of 75. Our analysis has identified 16 important issues that can be addressed to further enhance your website's performance and improve its search engine visibility.
16 Failed
4 Warnings
51 Passed
Issues to fix
HIGH
To address URL canonicalization issues, it is recommended to select a primary URL for your webpage and set up redirects from all other variations to the preferred one.
HIGH
Add a Viewport Meta Tag to optimize this webpage for mobile screens. Without a viewport meta tag, mobile devices may render pages at typical desktop screen widths, resulting in pages being scaled down and difficult to read.
HIGH
Consider using structured data in your webpage as it can help search engines gain a better understanding of your content.
HIGH
Using images in a modern format can significantly reduce the file size and improve the loading speed of a webpage, providing a better user experience and potentially increasing engagement.
HIGH
By creating a custom 404 error page with helpful links and information, users are more likely to stay on the site and continue to explore.
MEDIUM
JavaScript errors can impact user experience and may prevent users from viewing the page properly.
MEDIUM
Serve properly sized images to reduce page loading times and to improve user's experience.
MEDIUM
Reducing the Document Object Model (DOM) size can lead to faster page loading times, improved site performance, and better user experience by decreasing the amount of time it takes for the browser to process and render the page.
MEDIUM
Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.
LOW
Without an SPF record, spammers can easily spoof emails from this domain, potentially leading to compromised email security and deliverability issues.
LOW
Using more than 20 HTTP requests on a webpage can negatively impact the loading time.
LOW
Consider moving inline CSS styles to an external stylesheet to improve site performance and maintain separation of content and design.
LOW
Strip out any unnecessary metadata to improve loading time, security, and privacy. Metadata should not exceed 16% of the image size.
LOW
Consider adding the Strict-Transport-Security header to your webpage to ensure that web traffic is encrypted over HTTPS, mitigating the risk of man-in-the-middle attacks and other security threats.
LOW
This website either lacks a favicon or it has not been referenced properly.
LOW
Replace deprecated HTML tags with their modern equivalents or appropriate CSS rules.
Common SEO issues
Score: 75
Failed: 5
Warnings: 3
Passed: 17
Meta Title Test100% of top 100 sites passed
  • This webpage is using a title tag with a length of 73 characters. While there's no target number of characters, titles should be descriptive and concise. We recommend using a title with a length between 20 - 60 characters in order to fit Google Search results that have a 600-pixel limit.
Text: Swimming Lessons London - swimming lessons in London - adult swim lessons
Length: 73 characters
Meta Description Test97% of top 100 sites passed
  • This webpage is using a meta description tag with a length of 140 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).
Text: Swimming Lessons London provide private 1-1 swimming lessons and adult swim coaching in London. Swim tuition and swimming coaching in London
Length: 140 characters
Google Search Results Preview Test
Desktop version
https://www.swimminglessonslondon.co.uk/Swimming Lessons London - swimming lessons in London - adult swim lessonsSwimming Lessons London provide private 1-1 swimming lessons and adult swim coaching in London. Swim tuition and swimming coaching in London
Mobile version
https://www.swimminglessonslondon.co.uk/Swimming Lessons London - swimming lessons in London - adult swim lessonsSwimming Lessons London provide private 1-1 swimming lessons and adult swim coaching in London. Swim tuition and swimming coaching in London
Social Media Meta Tags Test83% of top 100 sites passed
  • This webpage is using social media meta tags.
Open Graph Meta Tags
og:url
https://www.swimminglessonslondon.co.uk/
og:title
Swimming Lessons London - Private swimming lessons & swim coaching.
og:description
Private swimming lessons and swim coaching in london, swim coaching for adults and kids. Learn to swim in London.
og:site_name
Swimming Lessons London - Private swimming lessons & swim coaching.
Most Common Keywords Test
  • There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
24swimming22lessons22london11swim10private
Keywords Usage Test81% of top 100 sites passed
  • The most common keywords of this webpage are distributed well across the important HTML tags. This helps search engines to properly identify the topic of this webpage.
Keyword
Title tag
Meta description
Headings
swimming
lessons
london
swim
private
Keywords Cloud Test
ableadultbermondseybookingbridgecanarycancellationcartcentralchelseachildchildrenchildrenscirclecityclientscoachingcontactcoursescrashdeliveringelizabethemergencyessonsestablishedfeelfullygivengrouphavehelphighholidayhomehoursimproversindividualsintensiveitemsjustkensingtonkidslearnlessonslocationlondolondonlongermainlymayfairmedianervousofferondononlinepeoplepoolpoolspracticepressprivateprofessionalprovidepurchasequalityqueenquicklyracerangerefurbishedsafescaredsessionssouthwarkspectrumsuccessfullysupportswimswimmersswimmingtaughtteachteachersteachingteamtechniquethousandstouchtowertrainingtriathlontuitionvenuevideoswantwaterwestminsterwharfwimmingyears
Competitor Domains Test
Understand your competitors' SEO and backlink profile

Get related competitors and their domain authority score in relation to your domain.

Heading Tags Test70% of top 100 sites passed
  • This webpage contains headings tags.
H1 tags
Swimming Lessons London
H2 tags
Private swimming lessons & adult swim coaching in London
Robots.txt Test94% of top 100 sites passed
  • This website is using a robots.txt file.
Sitemap Test75% of top 100 sites passed
SEO Friendly URL Test40% of top 100 sites passed
  • All links from this webpage are SEO friendly.
Image Alt Test71% of top 100 sites passed
  • This webpage is using "img" tags with empty or missing "alt" attribute!
See full list
Responsive Image Test38% of top 100 sites passed
  • Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.
See results list
Image Aspect Ratio Test72% of top 100 sites passed
  • All image display dimensions match the natural aspect ratio.
Inline CSS Test2% of top 100 sites passed
  • This webpage is using inline CSS styles!
See results list
Deprecated HTML Tags Test99% of top 100 sites passed
  • We found some HTML deprecated tags! You are advised to change these old tags with equivalent tags or proper CSS rules.
6font
Google Analytics Test69% of top 100 sites passed
  • This webpage is using Google Analytics.
Favicon Test100% of top 100 sites passed
  • This website either doesn't have a favicon or this has not been referenced correctly!
JS Error Test74% of top 100 sites passed
  • We've found JavaScript errors on this webpage!
See results list
Console Errors Test33% of top 100 sites passed
  • This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test100% of top 100 sites passed
  • This webpage has a character encoding declaration.
Content-Type: text/html;charset=UTF-8
Social Media Test80% of top 100 sites passed
  • This webpage is connected successfully with social media using:
AddThis Facebook Twitter 
Speed optimizations
Score: 87
Failed: 4
Warnings: 0
Passed: 19
HTML Page Size Test34% of top 100 sites passed
  • The size of this webpage's HTML is 27.75 Kb and is under the average webpage's HTML size of 33 Kb. Faster loading websites result in a better user experience, higher conversion rates, and generally better search engine rankings.
DOM Size Test17% of top 100 sites passed
  • The Document Object Model (DOM) of this webpage has 2,406 nodes which is greater than the recommended value of 1,500 nodes! A large DOM size negatively affects site performance and increases the page load time.
HTML Compression/GZIP Test96% of top 100 sites passed
  • This webpage is successfully compressed using br compression on your code. The HTML code is compressed from 155.24 Kb to 27.75 Kb (82% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test68% of top 100 sites passed
  • The loading time of this webpage (measured from N. Virginia, US) is around 4.5 seconds and this is under the average loading speed which is 5 seconds.
Accurate loading speed and website loading speed monitor

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JS Execution Time Test79% of top 100 sites passed
  • The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
  • This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
Content size by content type
Content type
Percent
Size
image
74.1 %
3.28 Mb
javascript
18.1 %
819.55 Kb
html
3.9 %
177.24 Kb
font
3.2 %
145.13 Kb
css
0.5 %
23.79 Kb
other
0.1 %
3.58 Kb
TOTAL
100%
4.42 Mb
Requests by content type
Content type
Percent
Requests
javascript
50.0 %
53
image
20.8 %
22
other
12.3 %
13
font
6.6 %
7
css
5.7 %
6
html
4.7 %
5
TOTAL
100%
106
Content size by domain
Domain
Percent
Size
mediaprocessor.websimages.com
70.5 %
3.12 Mb
gstatic.com
4.0 %
180.24 Kb
s7.addthis.com
3.3 %
148.74 Kb
platform.twitter.com
3.3 %
148.22 Kb
fonts.gstatic.com
3.2 %
145.13 Kb
dynamic.websimages.com
3.1 %
140.83 Kb
static.xx.fbcdn.net
2.9 %
133.36 Kb
connect.facebook.net
2.0 %
89.30 Kb
googletagmanager.com
1.6 %
72.99 Kb
static.websimages.com
1.5 %
65.97 Kb
Other
4.6 %
208.43 Kb
TOTAL
100%
4.42 Mb
Requests by domain
Domain
Percent
Requests
static.websimages.com
27.4 %
29
dynamic.websimages.com
17.0 %
18
mediaprocessor.websimages.com
12.3 %
13
fonts.gstatic.com
6.6 %
7
swimminglessonslondon.co.uk
3.8 %
4
platform.twitter.com
3.8 %
4
google-analytics.com
2.8 %
3
s7.addthis.com
2.8 %
3
fonts.googleapis.com
1.9 %
2
gstatic.com
1.9 %
2
Other
19.8 %
21
TOTAL
100%
106
Page Cache Test (Server Side Caching)100% of top 100 sites passed
  • This webpage is using a caching mechanism. Caching helps speed page loading times as well as reduces server load.
Flash Test100% of top 100 sites passed
  • This webpage does not include flash objects (an outdated technology that was sometimes used to deliver rich multimedia content). Flash content does not work well on mobile devices, and is difficult for crawlers to interpret.
CDN Usage Test96% of top 100 sites passed
  • This webpage is serving all images, javascript and css resources from CDNs.
See results list
Modern Image Format Test32% of top 100 sites passed
  • This webpage is not serving images in a modern format! Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
See results list
Image Metadata Test
  • This webpage is using images with large metadata (more than 16% of the image size)! Stripping out unnecessary metadata tags can improve not only the loading time but also the security and privacy of a webpage.
See results list
Image Caching Test99% of top 100 sites passed
  • This webpage is not using uncached images from same domain.
JavaScript Caching Test98% of top 100 sites passed
  • This webpage is not using uncached JavaScript resources from same domain!
CSS Caching Test98% of top 100 sites passed
  • This webpage is using cache headers for all CSS resources.
JavaScript Minification Test93% of top 100 sites passed
  • All JavaScript files used by this webpage are minified.
See results list
CSS Minification Test97% of top 100 sites passed
  • All CSS resources used by this webpage are minified.
See results list
Render Blocking Resources Test29% of top 100 sites passed
  • This webpage is not using render-blocking resources.
Nested Tables Test99% of top 100 sites passed
  • This webpage is not using nested tables. This speeds up page loading time and optimizes the user experience.
Frameset Test100% of top 100 sites passed
  • This webpage does not use frames.
Doctype Test100% of top 100 sites passed
  • This webpage has a doctype declaration.
<!DOCTYPE html>
URL Redirects Test96% of top 100 sites passed
  • This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Largest Contentful Paint Test
  • The Largest Contentful Paint duration of this webpage is 2.12 seconds. To provide a good user experience, sites should strive to have Largest Contentful Paint of 2.5 seconds or less.

2.12 s

2.5 s

4 s

Largest Contentful Paint element within the viewport:
<img alt="ADULT SWIM COACHING AND LESSONS" src="https://mediaprocessor.websimages.com/fit/1920x192..." style="left: -36px; top: -147.00000476837158px; width: 10...">
Cumulative Layout Shift Test
  • The CLS score of this webpage is 0.011. To provide a good user experience, sites should strive to have a CLS score of 0.1 or less.

0.0111

0.1

0.25

DOM element which contributes the most to CLS score:
Text: Childrens Swimming Lessons private and group swimming lessons for kids - London
Html: <div class="w-carousel-list-wrapper">
Score: 0.0092
Server and security
Score: 72
Failed: 3
Warnings: 0
Passed: 7
URL Canonicalization Test92% of top 100 sites passed
SSL Checker and HTTPS Test100% of top 100 sites passed
  • This website is successfully using HTTPS, a secure communication protocol over the Internet.

The certificate is not used before the activation date.

The certificate has not expired.

The hostname "www.swimminglessonslondon.co.uk" is correctly listed in the certificate.

The certificate should be trusted by all major web browsers.

The certificate was not revoked.

The certificate was signed with a secure hash.

Certificate Chain:
Server certificate
Common name
www.swimminglessonslondon.co.uk
Organization
Cloudflare, Inc.
Location
San Francisco, California, US
Subject Alternative Names (SANs)
www.swimminglessonslondon.co.uk
Not valid before
Mon, February 20o 2023, 12:00:00 am (z)
Not valid after
Tue, February 20o 2024, 11:59:59 pm (z)
Signature algorithm
ecdsaWithSha256
Issuer
Cloudflare Inc ECC CA-3
Intermediate certificate
Common name
Cloudflare Inc ECC CA-3
Organization
Cloudflare, Inc.
Location
US
Not valid before
Mon, January 27o 2020, 12:48:08 pm (z)
Not valid after
Tue, December 31o 2024, 11:59:59 pm (z)
Signature algorithm
sha256WithRsaEncryption
Issuer
Baltimore CyberTrust Root
Root certificate
Common name
Baltimore CyberTrust Root
Organization
Baltimore
Location
IE
Not valid before
Fri, May 12o 2000, 6:46:00 pm (z)
Not valid after
Mon, May 12o 2025, 11:59:00 pm (z)
Signature algorithm
sha1WithRsaEncryption
Issuer
Baltimore CyberTrust Root
Mixed Content Test (HTTP over HTTPS)100% of top 100 sites passed
  • This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test92% of top 100 sites passed
  • This webpage is using the HTTP/2 protocol.
HSTS Test
  • This webpage is not using the Strict-Transport-Security header! This is a security header that was created as a way to force the browser to use secure connections when a site is running over HTTPS.
Safe Browsing Test100% of top 100 sites passed
  • This website is not currently listed as suspicious (no malware or phishing activity found).
Server Signature Test88% of top 100 sites passed
  • The server signature is off for this webpage.
Directory Browsing Test100% of top 100 sites passed
  • Directory browsing is disabled for this website.
Plaintext Emails Test93% of top 100 sites passed
  • This webpage does not include email addresses in plaintext.
Mobile usability
Score: 50
Failed: 1
Warnings: 0
Passed: 2
Meta Viewport Test94% of top 100 sites passed
  • This webpage does not have a viewport meta tag! Add a viewport meta tag to optimize your webpage for mobile screens.
Media Query Responsive Test99% of top 100 sites passed
  • This webpage is using CSS media queries, which is the base for responsive design functionalities.
Mobile Snapshot Test
Mobile view
Advanced SEO
Score: 29
Failed: 3
Warnings: 1
Passed: 6
Structured Data Test59% of top 100 sites passed
Custom 404 Error Page Test75% of top 100 sites passed
  • This website is not using a custom 404 error page! Default 404 error pages result in a poor experience - it can mislead users into thinking an entire site is down or broken, greatly increases the chance they leave the website entirely, and looks unprofessional. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Noindex Tag Test99% of top 100 sites passed
  • This webpage does not use the noindex meta tag. This means that it can be indexed by search engines.
Canonical Tag Test95% of top 100 sites passed
  • This webpage does not use the canonical link tag.
Nofollow Tag Test
  • This webpage does not use the nofollow meta tag. This means that search engines will crawl all links from this webpage.
Disallow Directive Test
  • Your robots.txt file includes a disallow command which instructs search engines to avoid certain parts of your website! You are advised to confirm if access to these resources or pages are intended to be blocked (e.g., if they contain internal-only content or sensitive information).
See results list
Meta Refresh Test95% of top 100 sites passed
  • This webpage is not using a meta refresh tag.
SPF Records Test94% of top 100 sites passed
  • This DNS server is not using an SPF record! SPF (Sender Policy Framework) allows administrators to specify which hosts are allowed to send mail from a given domain by creating a specific SPF record or TXT record in the Domain Name System (DNS). You can find more information about SPF records here.
Ads.txt Validation Test80% of top 100 sites passed
  • This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.
Spell Check Test
Check your webpage for misspellings!

Finding and fixing misspellings on your webpage will help both user experience and search engine rankings.


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