An interesting comparison:
The cats are longer than the CVE!
Been thinking on my idea of the US licence producing the 1942 and possibly 1943 Design Light Fleet Carriers during WWII, they could have been built faster and used multiple US systems, say half CL (50,000shp), CA (60,000shp), even half Essex (75,000shp) machinery while the Centaurs would use half an Iowa/Midway set, US radars and AA guns, initially multiple Bofors, then 3"L50s and finally a uniform 3" battery. Initially built for lend Lease to the UK they are then also adopted by the USN as they are vastly superior to the US CVEs and CVLs for supporting amphibious operations etc. in particular they are much better at operating the at time challenging Corsair, making them ideal as Marine or "Gator" carriers.
Post war both types would be idea as CVS ASW Carriers in the USNs HUK groups, being much more capable than the Independence Class but much cheaper to operate than the Essex. Together with the retention of the Gator Mission operating marine fighter and attack squadrons, vertical envelopment was also developed and trialled, these ships proving ideal, again as they were superior aviation platforms to the US designed CVLs and far cheaper to operate than the Essex class.
The immediate result of the availability of US built 1942 designs from mid 1944 was the RN went from having too few carriers to having far more carriers than they could crew. With the intricacies of Lend Lease the UK couldn't simply pass the US sourced ships onto other navies, the flow on from this being transfer of existing and new build UK carriers to, first the Commonwealth, then to other allied nations during the last year of the war. This included not just the Colossus Class being commissioned straight into service with Canada, Australia and New Zealand but also in the Australia taking the compromised Implacables, as well as Canada, France and the Netherlands taking over one each of the original three Armoured Fleet Carriers once the US built Centaurs began to arrive. The most interesting, and divisive transfer was that of Indomitable to the Soviet Union in early 1945.
These transfers actually quite suited different elements in the UK for a number of reasons, for the Battleship Admirals (Frazer etc.) it meant that they had divested the RN of unnecessary dead weight and would simply return the US built ships post way and get back to the sort of ships they really needed, battleships and cruisers. For the progressive Admirals, mostly concentrated in the British Pacific Fleet at this point, it meant they could get to work developing the next generation of ships to operate jet aircraft using innovative new technologies without the burden of a legacy fleet, as the new ships were commissioned the old ones would be returned to the US for them to dispose of as they desired. Without the 6 Armoured Fleets and 8(+2) Colossus Class, the RN completed all eight Centaurs and the three Audacious class ships, while slowing and redesigning the Maltas, which were completed during the 50s to a configuration not dissimilar to that of the (alternate) reconstructed Victorious and Eagle.
Interestingly the six Majestics never existed as the US built 1942s incorporated their improvements from the start and with ships from the US due to arrive much fast than they could have been built in the UK it made sense to use the resources for other more critical projects, as well as not so critical but politically important ones, such as completing Vanguard and laying down the Lions. End result the UK entered the 1950s with three modern Audacious Class Armoured Fleet Carriers, eight modern Centaur Class Light Fleet Carriers, one Vanguard Class Battleship and two of four KGV Class Battleships in service, with four Malta Class Large Fleet Carriers under construction to an improved design and at least two of four Lion Class Battleships building to a new design incorporation advanced air defence radars and missile systems, land attack cruise missiles as well as their big guns.
Needless to say little of this survived Duncan Sandys 1957 defence review (carnal house of horrors), but then again as he had been working on this travesty since he was Minister of Supply prior to holding defence, even far less ambitious programs would have fallen to his ill conceived, illogical, ideological crusade.